food forming drum

专利摘要:
patent summary: "food forming drum". The present invention relates to a food forming drum comprising a plurality of rows of cavities. The present invention further relates to the inventive drum manufacturing process.
公开号:BR112013020390B1
申请号:R112013020390-0
申请日:2012-02-10
公开日:2018-11-13
发明作者:Hendrikus Petrus Gerardus Van Gerwen；George Lambertus Josephus Maria Boogers；Hendrik Jan Righolt
申请人:Gea Food Solutions Bakel B.V.；
IPC主号:

专利说明:

(54) Title: FOOD FORMING DRUM (51) Int.CI .: A22C 7/00; B29C 33/00.
(30) Unionist Priority: 05/03/2011 EP 11 003605.0; 02/10/2011 EP 11 001069.1; 03/22/2011 EP 11 002345.4; 12/23/2011 EP 11 010186.2.
(73) Holder (s): GEA FOOD SOLUTIONS BAKEL B.V ..
(72) Inventor (s): HENDRIKUS PETRUS GERARDUS VAN GERWEN; GEORGE LAMBERTUS JOSEPHUS MARIA BOOGERS; HENDRIK JAN RIGHOLT.
(86) PCT Application: PCT EP2012000610 of 10/02/2012 (87) PCT Publication: WO 2012/107236 of 16/08/2012 (85) National Phase Start Date: 08/09/2013 (57) Summary: ABSTRACT Patent of Invention: FOOD FORMER DRUM. The present invention relates to a food-forming drum comprising a plurality of rows of cavities. The present invention also relates to the inventive drum manufacturing process.
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Descriptive Report of the Invention Patent for FOOD FORMER DRUM.
[001] The present invention relates to a food forming drum comprising several rows of cavities. The present invention also relates to the manufacturing process of the inventive drum. [002] Food-forming drums are used in machines, which form food products, such as hamburgers from a pasta. Such an apparatus is, for example, described in US patent application 3,205,837. However, the food-forming drum described in this patent application is difficult to produce and has hygienic problems.
[003] Thus, it was the objective of the present invention to provide a food forming drum, which does not have the deficiencies of the devices according to the state of the art.
[004] This problem is achieved by a food forming drum comprising a plurality of rows of porous product cavities, each row comprising one or more porous product cavities, the drum preferably comprising a first and a second front end and preferably channels. fluid in the longitudinal direction of the drum each fluid channel preferably connecting a row of porous product cavities with respect to the fluid, wherein the porous product cavities are provided as one or more inserts (s) which are / are connected to the drum by a adhesive connection, fit by shape and / or friction.
[005] The description given to this embodiment of the present invention also applies to the other inventive embodiments of the present invention and vice versa.
[006] The present invention relates to a food forming drum, which is part of a food forming apparatus. This food-forming drum has on its outer surface several cavities of the
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2/45 product, which are opened towards the circumference of the drum and in which the pasta is formed into a food product, for example, a hamburger. This food-forming drum comprises, according to the present invention, several rows of product cavities, each row comprising one or more product cavities side by side. The rows are arranged parallel to the middle axis of the inventive drum. During production, the drum rotates and in one position in the product cavities in a row are filled with the pasta and in a downward position, the formed pasta is discharged from the product cavities, located in a row. Subsequently, the product wells in a row of the wells can be refilled and so on. In order to ventilate product cavities during filling and / or to withstand product discharge, product cavities are at least partially made of a porous material, which is permeable to gas and through which the product cavity can be ventilated or whereby gas, for example air, can be discharged, to loosen the product formed from the surface of the product cavity. Preferably, the porous material comprises channels, which are interconnected.
[007] The food-forming drum preferably still comprises fluid channels, which extend in the longitudinal direction of the drum, that is, parallel to the central axis of the drum and extends from one end of the drum to the other. Through each fluid channel, the ventilation air can be discharged, for example, into the environment, and / or compressed gas can be forced into the cavities to discharge the formed product. In addition, a cleaning fluid can be forced through the channels and / or the porous material of the product cavities.
[008] The ends of the drum can be capped, respectively, or can be opened.
[009] According to the present invention, the product cavity
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3/45 porous is supplied as an insert, which is attached to the drum. This embodiment of the present invention has the advantage that the drum itself does not need to have a porous layer. Each insert may comprise a porous part or is preferably made entirely of porous material. An insert can comprise a porous product cavity. In a preferred embodiment, all porous cavities in a row are provided as an insert. According to another preferred embodiment, more than one insert is provided per row. [0010] According to a preferred embodiment, the porous part comprises an abutment ring. This abutment ring covers at least part of the porous part, for example, the circumference and / or the front edge at least partially. This ensures that the porous material is protected and / or that the gas does not leak through the surface areas of the porous material, where a gas flow is not necessary or unwanted.
[0011] Alternatively or additionally, the surface area of the porous material, where a gas flow is not necessary or yet undesirable, can be manufactured so that the pores are at least partially, preferably completely closed.
[0012] According to the present invention, each porous insert is connected to the drum by an adhesive connection, fitting by shape and / or friction. In addition or alternatively, two inserts are connected by an adhesive connection, fit by shape and / or friction. This embodiment of the present invention ensures that the porous product cavity and / or inserts remain in their desired position during filling, product discharge and / or drum cleaning and / or that there is no gap between the drum and the insert and / or between two inserts, in which the food product can migrate. The inventive drum is very hygienic, easy to produce and clean. The drum is preferably provided with recesses for the porous material or an insert
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4/45 which comprises or is completely made of porous material. In this recess, the porous material and / or the insert is placed and then connected to the drum by an adhesive connection, fit by shape and / or friction. An adhesive connection can be achieved, for example, by glue, welding, brazing and / or welding. A connection by shape and / or friction can be obtained mechanically by connecting the porous material or the porous insert to the drum.
[0013] Preferably, the connection between the insert and the drum is irreversible, that is, it cannot be loosened without destroying the drum, the connection and / or the insert.
[0014] A preferred way of welding is known as flow-free welding. Here the solder is supplied in the form of a film / foil (suitable for use in the food processing industry) and will be wound around the circumference of the insert, particularly provided in the contact area between the insert and the drum, preferably its outer member. Subsequently, both the insert and the film / sheet will be placed in the recess of the drum, particularly its outer member. Then the drum set will be heated for a certain period of time and temperature, for example, in an oven. This heating process preferably takes place under vacuum. The sheet / film will melt and form a solder connection between the insert and the drum recess. Subsequently, the drum will be cooled again. This method provides a good connection between the insert and the drum and the process is stable and clean. However, other methods for obtaining an adhesive connection between the insert and the drum are also feasible.
[0015] The porous part of the porous product cavities and / or the insert are preferably or according to another or a preferred embodiment of the present invention, connected to the drum by bridges of a plastic material, for example, epoxy, and / or a molten metal or a
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5/45 metal alloy.
[0016] The description given to this modality of the present invention also applies to its inventive modalities of the present invention and vice versa.
[0017] According to another inventive or preferred embodiment of the present invention, the porous product cavity is made as an insert and comprises a porous part and preferably an abutment ring.
[0018] The description made to this modality also applies to other subjects of the present invention and vice versa.
[0019] According to another inventive or preferred embodiment of the present invention, the porous part and / or the insert are placed from the inside to the side wall of the drum against a flange of the drum. [0020] Since the drum is preferably concave, the porous material or the insert comprising the porous material can be placed from within the side wall of the drum and fixed in the desired position.
[0021] The description made to this embodiment of the present invention also applies to other inventive embodiments of the present invention and vice versa.
[0022] According to another inventive or preferred embodiment of the present invention, the drum comprises a recess for the porous part of the porous product cavities and / or for the insertion, wherein the recess comprises support means for the porous part and / or insertion.
[0023] This embodiment of the present invention is particularly advantageous for larger cavities of the product to prevent the porous material from being damaged during filling, emptying and / or cleaning.
[0024] The description made to this modality also applies to other
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6/45 modalities and vice versa.
[0025] According to another and a preferred embodiment of the present invention, the cavities are provided as a porous insert, which is irreversibly connected to the drum, that is, once connected, they cannot be removed from the drum without destroying the drum, insertion and / or its connection.
[0026] Preferably the insert is glued, welded, and / or brazed to the drum.
[0027] The description made to this modality also applies to other modalities and vice versa.
[0028] According to another inventive or preferred embodiment of the present invention, the drum comprises several, preferably essentially cylindrical, side wall members, wherein one member is preferably a thin laminated member. The members of the side wall are arranged concentrically and connected to each other. The thin laminated member is preferably a stainless steel blade, which is engaged by extension and / or reduction with another member, preferably a porous member of the drum. In another preferred embodiment, the thin laminated member is adhesively connected, preferably welded or brazed to another member, preferably a porous member.
[0029] The description made to this modality of the present invention also applies to other modalities and vice versa.
[0030] According to another inventive or preferred embodiment of the present invention, a fluid channel and / or support medium is part of the porous member or an insert, preferably a porous insert. The fluid channel and / or support medium can, for example, be manufactured, perforated and / or ground in the porous material and / or in the porous insert. The fluid channel preferably extends parallel to the central axis of the drum.
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7/45 [0031] The description made to this modality also applies to other modalities of the present invention and vice versa.
[0032] According to another inventive or preferred embodiment of the present invention, the drum comprises several fluid channels per row. These fluid channels preferably extend from one end to the other end, respectively and are preferably arranged in parallel, each preferably parallel to the central axis of the drum. These channels can be exposed to, for example, compressed air to discharge a product and / or a cleaning fluid, simultaneously or sequentially. One or more fluid channels can be connected to the bottom and / or one or more fluid channels can be connected to the side wall of the porous product cavity. By connecting at least one fluid channel to the side wall and one at the bottom of the porous product cavity, the fluid ejection sequence can be freely chosen. Pressurized fluid, for example air, can be ejected first from the bottom and then from the side wall of the porous product cavity or vice versa. It is also possible to eject a fluid from the bottom and side wall of the porous product cavity, at least simultaneously essential. [0033] The description made to this modality of the present invention also applies to other modalities and vice versa.
[0034] According to another inventive or preferred embodiment of the present invention, the side wall and the bottom of the porous cavity have different flow resistances with respect to the fluid fluid flow to remove the formed food product from the product cavity. [0035] The description made to this embodiment of the present invention also applies to other embodiments of the present invention and vice versa. [0036] Due to the difference in flow resistance, it can be obtained that the amount of fluid, for example, the air, through the bottom and through the side wall of the porous cavity can be different and / or
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8/45 that there is a phase change between the discharge of fluid at the bottom relative to the discharge of fluid on the side wall of the porous cavity. Preferably, a discharge of fluid is first initiated at the side wall and then at the bottom.
[0037] Preferably, the thickness of the porous material at the bottom differs from the thickness of the porous material at the side wall. More preferably, the thickness of the porous material on the side wall is thicker or thinner than the thickness of the porous material at the bottom of the porous cavity.
[0038] Alternatively or additionally, the surface of the porous material on the side wall has a different, for example, higher or lower, resistance to flow than the surface of the porous material at the bottom, particularly for the medium, for example example, air, which is used to eject the product from the porous cavity. More preferably, more pores on the surface of the porous material on the side wall are closed than the pores on the surface of the porous material at the bottom of the porous cavity or vice versa.
[0039] According to yet another inventive or preferred embodiment of the present invention, the thickness of the porous material varies within the bottom and / or within the side wall. This embodiment of the present invention allows influencing the flow distribution, for example, the discharge fluid and / or cleaning fluid with the bottom and / or the side wall.
[0040] The description made to this modality of the present invention also applies to other modalities and vice versa.
[0041] According to another inventive or preferred embodiment of the present invention, the drum comprises several members of the side wall in which preferably the inner member or intermediate member is completely a porous member. The side wall members are preferably arranged concentrically.
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9/45 [0042] The description given to this modality of the present invention also applies to other modalities and vice versa.
[0043] According to another inventive or preferred embodiment of the present invention, the porous product cavity is made as an insert and attached to the drum by a side wall member. The side wall member preferably has a cylindrical shape.
[0044] The description made to this modality of the present invention also applies to other modalities and vice versa.
[0045] Still according to another inventive or preferred embodiment of the present invention, the drum is at least partially melted. This embodiment of the present invention simplifies the production of the drum, because, for example, fluid channels do not need to be manufactured in the drum.
[0046] The description made to this embodiment of the present invention also applies to other embodiments of the present invention and vice versa. [0047] According to another inventive or preferred embodiment of the present invention, the volume of each product cavity is less than the desired volume of the product.
[0048] The description made of this embodiment of the present invention also applies to other embodiments of the present invention and vice versa. [0049] In another inventive or preferred embodiment of the present invention, each fluid passage is, at its ends, capped with a cap, which disconnects each fluid passage from a fluid supply, wherein this cap comprises a recess and / or it is revolving. With this cap, the fluid supply to the fluid passages can be controlled.
The description made of this embodiment of the present invention also applies to other embodiments of the present invention and vice versa.
[0051] Another inventive or preferred embodiment of the present invention is a process for the manufacture of the drum, in which the diameter
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10/45 outside of the drum will be supplied slightly larger than the desired final diameter of the drum, the porous inserts are placed on the side wall of the drum and on the side wall of the drum so the drum reaches the final diameter, for example, by machining, preferably grinding the drum surface. During this machining, all pores on the surface of the porous inserts facing the outer circumference of the drum are at least partially closed.
[0052] The description made to this modality of the present invention also applies to other modalities and vice versa.
[0053] Another inventive or preferred embodiment of the present invention is a process for manufacturing the drum, in which the porous material of the porous product cavities is deposited on the side wall of the drum.
[0054] The description made to this modality of the present invention also applies to other modalities and vice versa.
[0055] Before attaching a porous insert to a drum, it is preferred to close the pores of the porous insert in certain areas of the surface, particularly in the area of contact between the porous insert and the drum, at least partially. Closing can be carried out by grinding or laser polishing this area, covering the area, for example, with a molten metal, and adhesive such as epoxy, laser polishing or by welding. Preferably, the pores will be closed by blasting or blasting. During shot blasting, the porous surface is impacted by shots of particles, for example, ceramic particles. The surface of the porous material, which is subject to explosion or shot blasting, deforms plastically so that the pores on the surface are closed at least partially. Another preferred method for closing the pores on the surface of the porous material is impregnation, particularly vacuum impregnation, for example, with a resin. Preferably, the surface of the porous material is treated by electropolishing,
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11/45 for example, to achieve smoother and reduced product adhesion.
[0056] The removal of products formed from product cavities can be done in several ways.
[0057] In the case the product cavities are only supplied with a porous bottom, the fluid will only be supplied in a passage that is directed to the porous bottom. In the case the product cavities are provided with a porous bottom and a fluid from the porous side wall has to be supplied to both the bottom and side walls.
Several options are possible:
- Fluid can enter the product cavity through the porous structure of the bottom wall and the side walls at the same time.
- Fluid can enter the product cavity first through the porous structure of the side walls and a while later through the porous structure of the lower wall.
- Fluid can enter the product cavity first through the porous structure of the lower wall and a while later through the porous structure of the side walls.
[0058] Preferably or according to another inventive concept, each insert is sintered, preferably of a metallic material. Each insert is fixed, preferably by an adhesive connection, to the drum. More preferably, each insert is welded to the drum. Preferably, each insert extends, at least essentially, over the entire length of the drum. More preferably, the drum comprises a lid, more preferably at each end. Each cap is preferably designed as a circular ring. The cover is connected to the drum by a fit by shape and / or force, more preferably screwed to the drum.
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12/45 [0059] Preferably, the drum comprises at least one groove per row of cavities, which extends over the entire length of the drum. Preferably, the cross-section of the groove is engaged. One or more inserts with a corresponding diameter, preferably one insert per product cavity or one insert per row, can be inserted from one front end, preferably each front end, into the groove. The inserts are at least partially made of a porous material and the cross section is formed so that there is a fit between the groove and each insert, respectively, due to the embedded cross section. Preferably, the inserts are connected to the drum by an adhesive connection, more preferably welding, soldering or brazing. Each insert can also be attached to the drum by a fit by force, shape and / or friction. Alternatively or additionally, each row comprises one or more pressure elements, which, for example, pushes the inserts towards the circumference of the drum and then reduces the gap between the insert and the surface of the drum. The gap between the insert and the drum can be closed as revealed above. One or more fluid passages are / are provided between the insert and the drum. The length of the joint of all inserts in a row is preferably longer than the length of the drum. After the inserts are placed in the drum, the inserts can be pressed together and / or against the drum by means of one or more pressure elements and one or two covers are / are provided at least at one front end of the drum.
[0060] Preferably only one insert per row is provided comprising all product cavities in this row respectively. However, it is also possible to have multiple inserts per row, where each insert can comprise more than one cavity. [0061] Preferably, the drum comprises an internal member
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13/45 essentially cylindrical with grooves for at least one, preferably several inserts. Preferably each insert is sintered, preferably of a metallic material. Each insert is fixed, preferably by an adhesive connection, to the drum. More preferably, each insert is welded to the drum. Preferably, each insert extends, at least essentially, over the entire length of the drum. More preferably, the drum comprises a lid, more preferably at each end. Each cap is preferably designed as a circular ring. The lid is connected to the drum preferably by a fit by shape and / or force, more preferably screwed to the drum.
[0062] In the various modalities below, the control of fluid flow will be described so that the fluid enters the product cavity first through the lower wall and then the side walls or first through the side walls and then the lower wall.
[0063] The inventions are now explained in more detail according to the subsequent figures. This description does not limit the scope of protection of the present invention. The descriptions apply to all embodiments of the present invention, respectively.
Figure 1 shows the inventive food-forming drum. Figure 2 shows an embodiment.
Figure 3 shows another modality of an insertion.
Figure 4 shows the recesses and the fluid channel of the drum. Figures 5 - 7 show different insertion modalities.
Figures 8 - 11 show the attachment of the insert to the drum. Figure 12 shows an insert with a cover.
Figure 13 shows the attachment of the insert with a locking pin.
Figures 14 - 15 show the attachment of the insert with a
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14/45 locking part.
Figures 16 - 18 show the attachment of the insert to the drum with a mechanical fastener.
Figure 19 shows a support reinforcement when using a single insert.
Figures 20 - 23 show a tube with various wall numbers.
Figures 24 - 27 show the use of fluid barriers.
Figure 28 shows the deposition of the porous material in an insert.
Figures 29 - 32 show various drawings of the porous insert.
Figures 33 - 35 show the use of a cap 230. Figures 36 - 38 show several parallel channels of fluid per row.
Figure 39 shows the design of the fluid channel in a molten drum.
Figures 40 - 44 show another embodiment of the inventive drum.
Figure 45 shows another embodiment of the inventive drum. Figures 46 - 53 show another embodiment of the inventive drum.
Figures 54 - 57 describe means for influencing the discharge sequence of a discharge fluid.
Figure 58 describes a drum with one insert per row.
[0064] Figure 1 shows the inventive food-forming drum, which is part of a food-forming device, which forms a
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15/45 pasta in a food product, for example, a hamburger. By this circumference, the drum 1 comprises several rows of cavities 2. In a present case, a row comprises five cavities 2. In each cavity 2 a product can be formed. During the formation of food products, the drum rotates so that in one position, the cavities 2 in a row are filled, while downstream of this position, the food products in a row are discharged from the cavities. Preferably the drum is concave and comprises at its first front end 3 and its second front end 4 a cover 7, respectively. At least one fluid channel 6 per row extends over the entire length of the row and including both caps 7. This longitudinal channel 6 is, as described in more detail later, fluid connected to each product well 2 in a row, for ventilate these cavities during filling, to force a fluid through the cavities to discharge the formed product and / or to force a cleaning fluid through the cavities. To support the rotating drum in the forming apparatus and / or in a cleaning apparatus, the first front end 3 and the second front end 4 each may comprise a tip 5 connected to the front ends 3, 4, respectively. However, the inventive drum may also comprise a long axis over the entire length of the drum, which extends outside the front ends 3, 4, respectively. Other support solutions are also possible.
[0065] In accordance with the present invention, the cavities of product 2 are at least partially made of a porous material that is permeable to a fluid, for example, a gas and / or a cleaning fluid. Through the porous section of the product cavity, the product cavity can be ventilated during filling and the formed product can be loosened from the product cavity by means of ejection
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16/45 gas. The porous material is preferably a sintered material. The porous material can be a completely circumferential layer / member of the drum, in which the product cavity 2 is preferably manufactured. Alternatively, the porous part of the product cavity can be provided as an insert. In this case, the drum preferably comprises one or more, preferably stainless steel members, each preferably supplied as a tube, which are connected together. The porous material will be supplied as an insert, which will be attached to the drum.
[0066] Figure 2 shows a first modality of such insertion
10. This insert 10 comprises a porous lower part 13 and a porous side wall 12, in which the porosity of the side wall and the lower part may differ. The surface of the side wall 12 and the lower part 13 define the product cavity 2, in which the pasta is formed in the desired shape, here a disc. The inner surface of the sidewall 12 is, at least partially, slightly tapered to simplify the discharge of the product. On its upper surface, the side wall comprises a closed region 11, to prevent air leakage in this region during the discharge of the product with compressed gas, for example, air and / or for hygiene reasons. The porous part of the insert 10 can be made of a piece of commercially available porous material. The person skilled in the art understands that the porosity of the lower part and the side wall can also be identical. The insertion can also be done by rapid prototype; that is, by 3D printing of a molten metal powder. Layers with different porosity and / or layers that are not porous can be created in this way. In the example according to Figure 2, the insert 10 is provided with a side wall with porosity A, a lower part with porosity B and a region 11 without porosity.
[0067] Figure 3 shows yet another modality of insertion 10.
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In the present example, insert 10 is sintered and created in layer 12, 13 with different porosity. The layers 12, 13 can also be prefabricated and then fixed together. In the present example, the lower part 13 has a higher porosity (i.e. less mass per volume) than the layer 12 to reduce the air flow resistance of this layer. Layer 12, which is in contact with the pasta to be formed preferably has a lower porosity (i.e., more pasta per volume) than layer 13, to prevent or reduce the penetration of the pasta into the porous layer. The upper layer 11 is, for example, non-porous. As can also be seen from this example, the thickness of the entire porous part and / or the thickness of the individual layers can vary by the extent of the product cavity to direct the fluid flow to discharge the product from the cavity and / or the cleaning fluid in the desired regions of the product cavity. It may be desirable, for example, to have a higher air flow in the outer region of the lower part and / or through the side walls to loosen the product formed in this region. However, a uniform flow pattern over the entire bottom and / or the side wall may also be desirable.
[0068] In Figure 4 the manufacture of drum 1 is described. Preferably, the drum is made of a commercially available thick-walled tube, preferably a stainless steel tube. This tube is preferably supplied with a diameter slightly larger than the final diameter of the desired drum 1. Subsequently, the recesses 31 for the insert 10 or the porous material are manufactured in the drum, where later in a product cavity 2 it will be placed. Simultaneously after or before the longitudinal channel 6 can be manufactured, for example, drilled into the drum, from one end of the drum to the other end, in which a row of recesses (here five recesses) is provided with at least one longitudinal channel 6. For this channel
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6, the product cavities 2 will be subsequently ventilated, supplied with a compressed gas to discharge the product and / or with a cleaning fluid to file the passage 6 and / or the product cavities
2. The fluid channel 6 extends from one and the drum to the other front end of the drum. All other holes and recesses, for example, for connecting the covers to the drum, can be supplied as well. The technician in the subject understands that the drum can also be made by casting. In this case, at least some channels and other necessary holes are preferably part of the casting. This preferred embodiment of the present invention has the advantage that subsequent machining is at least reduced.
[0069] In the next step, each insert, which comprises at least partially porous material, will be placed in a recess of the drum, respectively and fixed in this position. The fixation of the insert and / or the porous material itself in the drum will be explained later. In a next step, the drum preferably reaches its desired final diameter. During this step, the top surface of the inserts can be closed, if desired. In the next step, if not already done, the product cavities can be manufactured in the porous inserts. This can be done, for example, by grinding, where the tool needs a sharp cutting edge. Preferably the removal of porous material will be done by EDM. When the product cavities are inserted into the drum, in many cases, the final weight of the product formed is very large. A correct final weight of the product formed can be obtained by making the diameter of the drum slightly smaller, for example, by reducing the diameter of the drum after inserts are inserted into the drum. The lids 7 are preferably screwed to the tube and are sealed to prevent particles of meat and / or cleaning fluid from entering the drum assembly. Depending on the design it is also possible to screw the covers on the drum before inserting the inserts
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19/45 on the side wall of the drum. The drum is a component of a training device that will be changed regularly for cleaning purposes. In this way, a light weight drum is desired. The strength and stiffness in combination with the whole low weight of the drum can be optimized, for example, using a central axis that extends at least over the entire length of the pipe. In addition, the tube 1 may comprise reinforcement means, for example, reinforcement rings on its internal surface. The drum is preferably made of stainless steel. To reduce wear on the drum surface during the production of formed products, it is recommended that the outer surface of the drum has a high wear resistance.
[0070] Figure 5 shows an example of a porous insert 10, which can be placed directly on the drum. The upper surface of the lower part and the internal surface of the side wall define the product cavity 2. Around its circumference, the porous insert optionally has a circumferential fluid channel 36. Through this fluid channel 36 the gas can be forced through from the porous side wall, to loosen the product formed from the side wall, and / or a cleaning fluid can be supplied to the side wall. The circumferential channel 36 is connected to the main fluid passage 6 through the horizontal fluid connections (here three fluid connections).
[0071] Figure 6 shows yet another modality of insertion 10. Essentially, this insertion 10 is designed as the insertion according to Figure 5. However, in the present case, the porous part 42 is covered by a cap 43, here a back ring. Thus, the insert 10 comprises two parts 42 and 43. The stop ring 43 extends around the entire circumference of the porous part 42 and additionally has a contact surface 51 on top of the porous part 42. As already explained above, the channel 36, made in porous part 42, is optional.
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20/45 [0072] Figure 7 shows yet another embodiment of insert 10. Again, insert 10 has, a porous part 42 and a stop ring 43. In the present case, this stop ring comprises fluid channels 50, which however, they are again optional. In contrast to the embodiment according to Figure 6, in the embodiment according to Figure 7, in addition to the circumferential connection between the back ring 43 and the porous insert 42, there is a contact surface 51 at the bottom of the porous part 42.
[0073] In the case that only a porous material is inserted into the recess of the drum, this porous insert 10 must be tightly fitted into the recess to prevent loosening or disconnection of the porous material from the drum 1 during production or cleaning. In cases where the porous material 42 is covered by a stop ring cover 43, a closed connection is required between the porous material 42 and the stop ring 43 and particularly between the stop ring and the drum. All connections must be tightened so there are no gaps where the pasta can penetrate. In the case where gaps are present, they must be close by the means described below. [0074] All materials used in connection with the drum must be approved for use in the food industry.
[0075] Means how to attach the insert to the drum are now explained in more detail.
[0076] In general, insert 10 can be pressed into the drum recess. In the case where the insert is pressed it is only a porous part 42, the pores of the porous material can be partially closed and the porosity will be lost. Thus, a pressure connection of the porous part is only an alternative in the event that no air flow is desired in the deformed porous part.
[0077] Alternatively or additionally, the insertion can be linked to 870180069781, of 10/08/2018, p. 24/58
21/45 by reduction with the drum. In this case the insert 10 particularly the porous part 42 is cooled and then can be placed on a stop ring 43 or directly in the recess of the drum. Mounting tension is largely avoided. Tighter fitting can be achieved by a combination of reduced insertion and heating of the drum and / or the thrust ring. The person skilled in the art understands that the same technique can be used to assemble the entire insert 10, comprising a porous section 42 and a lid 43, on the drum.
[0078] As described in Figure 8, the insert 10, including a lid 43 or not, can be welded or brazed (compare reference sign 54) in a recess of a drum and / or porous part 42 and the ring of backrest can be welded or brazed together as described by reference signs 53. Welding / brazing line 54 is optional, in case a reduction and / or pressure connection exists between the insert and the drum. Welding / Brazing is preferably carried out by laser welding, laser brazing. The laser is preferably moved in a pre-programmed passage with relatively low heat transfer. The Welding / Brazing technique can also be used to close the pores of the porous material, for example, in the area around the Welding / Brazing Line. By closing the pores, the porosity disappears and the solid piece of metal is created that is less sensitive during welding / brazing and cannot be penetrated by a gas.
[0079] Figure 9 shows an embodiment of the present invention, where the porous material 42 is welded in a stop cap / ring and / or directly into a recess of the drum. The person skilled in the art understands that the stop ring can also be welded to the drum. In the present case, the porous insert 42 is placed in a recess of the drum. To ensure, a gap preferably constant between the circumference of the insert and the recess, the circumference of the porous part 42
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22/45 of the insert and / or insert 10 itself will be provided with grooves. The drum assembly 1 and insert 10, 42 will preferably be heated and when the desired temperature is reached, the heated weld 56 will be applied. Occluded air can escape through the porous structure. The porous material of the insert will wet the flux and the weld. After inserts 10, 42 are placed and attached to the drum, the drum can be manufactured to its final diameter.
[0080] In the embodiment according to Figure 10, the solder is replaced by a bonding agent, for example, a glue.
[0081] In the embodiment according to Figure 11 the inserts 10 and / or the porous part 42 are secured to the recess of the drum with an epoxy, preferably a stainless steel epoxy. In the case the insert 10 comprises a porous part 43 and a stop cap / ring, the porous part 42 and the stop ring 43 can also be attached to each other by epoxy. In the present case, the epoxy is supplied at a feed point 65 and then flows to distribution channels 62, 63, where it spreads around the entire circumference of the porous material 42 or the insert
10. Depending on the viscosity of the epoxy, it will also penetrate to certain depths in the porous material. One of the distribution channels 62, 63 is, in the present case, a groove around the circumference and the other can be several recesses or a groove as well. An epoxy 64 bridge is then created. The occluded air will escape through the porous structure of the insert. Once the epoxy escapes through the discharge point 66, the supply can be stopped. To ensure that nothing of the epoxy can escape, the supply point 65 and the discharge point 66 can be provided with a sealing plug.
[0082] Epoxy can be replaced by molten metal or a metal alloy. Where the metal or alloy is preferably a material with a low melting point.
[0083] Figure 12 shows an application with a cover 72. After
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23/45 the porous insert 10, 42 is placed in the recess of a drum 1 and is preferably connected to the drum, for example, by means of a reduction connection, it can also be attached with a cover 72. The cover is tightly fitted in the recess of a drum and can be secured in the recess as described above. After all inserts are placed and secured in their cavity respectively, the drum can be manufactured to its final diameter.
[0084] Figure 13 shows the attachment of the insertion 10, 42 through a locking pin. After insertion 10, 42 is placed in the drum recess and is preferably fixed, for example, with a reduction connection and preferably joints and cracks are sealed as described above, a hole is preferably drilled over the entire longitudinal length of the drum. A pin 83 is then inserted into the hole so that the inserts 10, 42 are locked in place by tightening on the drum. If necessary, the drum can then be manufactured to its final diameter.
[0085] Figure 14 shows yet another process for assembling the inventive forming drum. In the present case, the insert 10, 42 is placed inside the side wall of the drum, against a flange 89 manufactured or cast on the side wall of the drum. The insert 10, 42 is then secured in this position by a locking piece 90, which is also inserted from the inside and then fixed to the drum through the mechanisms described above.
[0086] In the embodiment according to Figure 15, the insert 10, 42 is also placed inside against the side wall of the drum, where in the present case, the insert 10.42 comprises a flange 89, preferably in the proximity of its part bottom, which is against the inner diameter of the side wall of the drum. Insert 10,42 is secured in this position by means of a locking piece 90, which in this case is screwed to the drum by screws 101. The top of the screws can be
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24/45 capped with a lid 102 to provide a smooth drum surface. The fluid channels 86 are, in the present case, manufactured in the locking part. It can also be seen that in the present case there are several parallel passages of fluid 86.
[0087] Figure 16 shows yet another solution of how to fix the insert 10, 42 particularly the porous part 42 of the insert to the drum. This is in the present case obtained by screws 101. These screws are subsequently covered with a cover 72 which also closes the upper surface of the porous material 42. Gaps between the porous material and the drum, the porous material and the cover and the cover and the drum can be closed as described above. In the present case, no fluid channel is provided at the circumference of the porous part 42. However, they can be inserted if necessary.
[0088] Figure 17 shows yet another modality of the inventive drum. In the present case the insert 10, particularly the porous insert 42 will be placed from inside the drum in the recess where its flange 89 is against a flange, manufactured on the side wall of the drum. A locking piece 90 secures the insert 10, 42 on the drum. The locking part itself is attached to the drum by means of screws 101. The screw hole can be closed with the closing means 102.
[0089] Figure 18 shows yet another embodiment of the present invention. In the present case, the insert 10, 42 is directly screwed to the drum with screws 101. In the present case, the porous material preferably comprises an insert 119 which comprises the thread for the screw.
[0090] The person skilled in the art understands that all means for securing inserts 10, 42 on the drum can be combined. It is particularly preferable to close all gaps and joints by welding, brazing and / or gluing.
[0091] In the mode according to Figure 19, the cavities of the
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25/45 product 2 in a row are not provided as individual inserts 10, 42, but at least two cavities of product, preferably the entire row of cavities, are provided by a single insert 10. This insertion is preferably done at least partially outside porous material. Support medium, here a rib 132, provided here with a fluid passage 6, is located between the two product cavities, respectively to support the insertion 10,42. Connection and sealing can be used as described above. The support means 132 can also extend in a different direction, for example, parallel to the longitudinal median axis of the drum. The single insert 10 will be attached to the drum and is not interchangeable.
[0092] In an alternative design as described in the subsequent figures, the tube is not made of one member, but of a multiplicity of members.
[0093] Figure 20 shows an embodiment of the tube with an outer member 141, here a thick-walled tube and an inner member 146, here a thin-walled member. Inserts 10,42 are placed from inside the outer member 141 where a flange 145 is against a flange of the outer member 141. The insert 10, 42 is secured in position by an inner member 146 which is in the present case a rolled blade metal. The inner member is preferably held in place by welding with the outer member. The person skilled in the art understands that the inner member can also be attached to the outer member by another means, for example, friction fitting or the like. If necessary, reinforcement means 147, here rings, can be provided. The fluid passage 6 is in the present case located between a recess in the insert 10, 42, a recess in the outer member 141 and the inner member 146 as can be seen particularly in the right and left Figure of Figure 20.
[0094] Figure 21 also shows a drum modality with
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26/45 two coaxial side walls, members. In the present case, the drum comprises a member with a relatively thick inner wall 146 and a member with a relatively thin outer wall 141. The two members of the wall can be connected via a reduction connection, for example. Porous inserts 42 are placed in a recess of the outer member and against the inner member. Fluid passages 6 are, in the present case, manufactured in the inner member where in the present case also several parallel fluid passages 6, which extend over the entire length of the tube, are provided. The embodiment according to the present invention still comprises support medium 132, here ribs, here between two channels, which support the porous structure mechanically. The porous insert 42 further comprises a fluid channel 36 through which an air and / or a fluid cleaning flow during production and / or cleaning of the insert 42.
[0095] Figure 22 shows yet another embodiment of the inventive tube in the present case, a porous insert 42 is placed in a recess in the member of the inner wall 146, here a tube with a thick wall. Then, the outer member 141, here a rolled sheet metal plate, will be placed around the inner member. During the fixation process, for example, a welding process, the outer member will be shrunk around the inner member and the insert is secured at least in the radial direction, in this case. Four fluid channels 6 extend below the insertion from one front end to the other front end of the drum. Through these channels, a portion of the air flows flow during production to the fluid channels around the insert as described by reference number 32, which directs the fluid to the side wall of cavity 2. During cleaning, the cleaning flow flows through all channels 6, 32 and clear the channels.
[0096] Figure 23 shows yet another embodiment of the present invention. In the present case, a porous insert 10, 42 will be placed
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27/45 from inside the outer member 141, here a tube with a relatively thick wall, in a recess of the outer member against a flange 145. Then the inner member a tube with a relatively thick wall will be placed in the outer tube and fixed in position . This can be done, for example, through a reduction connection. By using two relatively thick members, the drum will be strong enough to absorb forces during production and cleaning. With respect to fluid channels 6, reference is made to the description according to Figure 22.
[0097] Another embodiment of the present invention is described in Figure 24. Here the drum consists of two members 141, 146 and preferably each cavity of product 2 is individually manufactured in the internal porous member 146. This internal member 146 is a thick-walled tube out of the porous material. The outer member 141 is a thin rolled metal plate. Both members are fitted together as described above. Fluid passages 6 are arranged in the inner member 146 so that during the discharge of the product, air escapes evenly over the area of the product cavity 2. Barriers 183 can be provided to prevent the air flow from escaping from one row to another. Barrier 183 can, for example, be created by grinding a groove in the porous material. In the present case a hole, which extends over the entire length of the drum, is drilled and subsequently filled with a non-permeable air material. The internal circumference of the porous tube 146 is still preferably sealed to prevent air leakage. All gaps and joints are preferably sealed by welding / brazing on agents of the epoxy component or the like. In another preferred embodiment, the outer member 141 is a metallic layer, for example, produced by a spraying process, preferably a thermal spraying process. A metal or metal alloy is sprayed onto the surface of the drum.
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28/45 [0098] In the embodiment according to Figure 25, the tube comprises three layers. Intermediate member 185 is a tube with a thick wall of porous material, here porous metal. The outer member 141 is a thin rolled sheet plate and the inner member 146 is preferably still a relatively thin metal plate. All members are fitted together, as described above. Fluid passages 6 are arranged in the intermediate member so that during the discharge of the product the air escapes evenly over the area of the product cavity. Barrier 188 can be provided to prevent air flow from escaping from one row to another. Barriers 189 can also be provided to prevent air flow from escaping from one cavity to the next in the same row. Barriers can be created by grinding a groove in the porous material and filling it with a non-permeable air material. In the present case, the drum comprises reinforcement means, here rings 147, to prevent the inner member from shrinking and being pulled in due to the welding process or during production or cleaning.
[0099] Figure 26 shows yet another embodiment of the present invention. In this case, the intermediate member 185 is a tube with a thick wall of porous material, for example metal, and the outer member 141 is a thin rolled metal plate. The inner member 146 is a tube with a relatively thick wall of solid material. All members are fitted together as described above. In this embodiment, the fluid passages 6 are arranged on the inner member so that, during the discharge, the air will escape uniformly over the area of the product cavity. It is also possible to provide fluid passages 6 in the intermediate member instead of the inner member. Barriers 183 can be provided to prevent air from escaping to other rows. An internal member is provided to prevent air from escaping through the member during the discharge of the formed product.
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Intermediate 29/45. In addition, it increases the resistance and rigidity of the drum. [00100] Figure 27 shows yet another modality of the inventive food-forming drum. In comparison to the modality according to Figure 26, in which the reference is made, the barriers 183 are not parallel to the side wall of the cavity, but formed around the circumference of the cavity. In addition, the separation / support walls of the channels do not extend on the outer member, as this is the case in the example according to Figure 26.
[00101] Figure 28 shows yet another embodiment of the present invention. In this case, a relatively thick, non-porous tube is provided in which the recesses are manufactured, for example, ground. In this recess a porous material 200 is deposited and is subsequently, preferably manufactured, to provide a product cavity and to provide fluid passages 6 in the drum. The deposition of the porous material can be done by sintering and / or 3D metal printing.
[00102] In the mode according to Figure 29, during product discharge and / or during cleaning, the flow only flows through the porous bottom wall 212.
[00103] In the embodiment according to Figure 30, the flow flows through the lower wall as well as the side walls 218.
[00104] In yet another embodiment according to Figure 31 the flow flows through the porous bottom wall 212 and through the porous side walls 218. The fluid channel 220 below the porous insert extends over the bottom as well as at least partially on the side walls.
[00105] In the mode according to Figure 32, the lower part
212 and the side walls 218 have different thicknesses to achieve that the flow through the side walls and through the bottom is
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30/45 essentially the same. The skilled person understands that another flow pattern may still be desirable.
[00106] When filling the product in the cavities, the occluded air in the product cavity will escape through the permeable walls and through the channel 6. Depending on the porosity of this cavity the channel can be used, during filling, to connect the vacuum to the channel 6 evacuate the air that is trapped in the cavity. During the discharge of the food product formed outside the cavity, the air under pressure will be connected to channel 6. This air will flow through channel 6 under the porous cavity and through it through the porous material and thus loosen the adhesion between the porous material and the product food. Preferably, a porosity will be used, being suitable for most food products to be formed. This depends mainly on parameters such as the porosity of the cavities, the food product used, the height of the product and the diameter of the product. In case the porosity is very large, residues will be left inside the porous material or on top of the porous material after unloading the formed product. A small porosity has a lot of resistance to flow. However, a certain resistance to flow is desired to spread the air evenly over the entire porous surface, which is in contact with the food product. [00107] As already said and as shown in Figure 33, the inventive drum is placed in a food forming apparatus, where it rotates. In the event that the drum rotates in the opposite direction, the pasta is preferably inserted into the product cavities at the 10-1 clock position. The timing, when product discharge starts based on gravity, is mainly dependent on the structure of the product used. In this case, a sticky food product is processed, the product is discharged and then the fluid supply has to start earlier compared to processing a less sticky product.
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31/45 [00108] In a first embodiment, the supply of compressed fluid is already incorporated into the design of the cover and drum. The drum is provided with fluid passages that extend from one cover 7 to another cover. A cap 230, provided on one side with a fluid supply connection 232, will be positioned during production against the drum head. Cover 230 is in a stopped position. During production, the cap is preferably supplied constantly by a fluid. The discharge of fluid to channel 6 begins, when the respective channel 6 is at least partially congruent with the recess 231 in the cap 230. The duration of the fluid supply to the channels depends on the length of the recess 231 and the speed of rotation of the drum.
[00109] In a second mode, which is described in Figure 34, the cover is again in a stopped position. However, here a valve is opened to supply fluid. The start of the fluid supply can easily be changed preferably in an operational panel by changing the moment when the supply valve is opened. Other than this reference is made to the description according to Figure 34.
[00110] Figure 35 shows yet another modality of fluid supply. Here the cap is constantly supplied with the fluid and the timing of the fluid flow to channel 6 is mechanically controlled. This can be done by turning the cover. In the lower left and right figures the change in the initial position of the fluid supply to channel 6 is described.
[00111] In the case large products are formed they may be desirable, as described in Figure 36 to have several passages of fluid 6, here 2. The number of passages will be mainly determined by the volume air that will be needed to discharge the product. The
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32/45 two channels can be supplied with air simultaneously and / or sequentially.
[00112] In Figures 37 and 38, the formation of long products like schnitzel is shown. Here, the product cavity 262 is longer in the circumferential direction of drum 1. To avoid distortion of the food product formed in the outlet belt 267, the entire product formed must not be discharged at once, but in two or more stages. This can be achieved by providing two or more channels of fluid. In Figures 37 and 38 each compartment has its own fluid passage 268, 270, 272 and each compartment has its own fluid channel 269, 271,273 each extending from one front end of the drum to the next. Each compartment is partially connected to the formed product. The compartments are divided by dividers 265 which are, in the present case, part of the drum and in another modality part of the insertion. The divider can further act as a support like the relatively weak porous material.
[00113] During the filling of the product the air occluded in the product cavity can escape through the porous part to the fluid channels and from it to the environment. During the discharge of the formed product, first the air will be supplied to the passage of the fluid 268 and from it to the compartment 269. The first part of the formed product then becomes a weld of the porous wall and will be placed in the outlet belt as shown in the drawing. Then, the successful passage 270 will be provided with air and in the next stage the passage 272 will be provided with air in the final stage. [00114] Figure 39 shows the design of the fluid channels. In general it is important that the cleaning fluid passes through all passages, channels and porous parts. Due to the resistance of the porous material, the flow of the fluid will have a low speed. Even so, all the remaining particles must be discharged from the drum. During the PROPETITION 870180069781, of 10/08/2018, p. 36/58
33/45 cleaning process the remaining particles in the channels, compartments and passages must be discharged with a cleaning fluid through the passages out of the drum. Particles remaining in the porous part must be discharged with the cleaning fluids through the porous structure outside the drum. All remaining particles can only be discharged if there are no blind spots. Channels, compartments and passages should be large enough as straight as possible and provided with rounding to prevent the cleaning flow from being blocked.
[00115] In the embodiment according to Figure 39, passages 282, channels 283, 284, the recess for insertion 286 can be included in the casting. As the recess 285 in the eventual support for the insert 286 has to be manufactured after the right dimension. [00116] Figures 40-44 show yet another embodiment of the inventive food-forming drum 1. In the present case, the drum 1 comprises a groove per row of cavities, which extends over the entire length of the drum. In the present case, the cross-section of the groove is engaged. The inserts with a corresponding diameter, in this case one insert per product cavity, can be inserted from one front end, preferably each front end, into the groove. The inserts 10 are at least partially made of a porous material and the cross-section is formed so that there is a shaped fit between the groove and each insert, respectively, due to the embedded cross-section. Preferably, each row comprises one or more pressure elements 137, which pushes the inserts 10 towards the circumference of the drum and thus reduces the gap between the insert and the surface of the drum. The gap between the insert and the drum can be closed as shown above. A fluid passage 6 is provided between the insert 10 and the drum
1. The joint length of all inserts is preferably more
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34/45 longer than the length of the drum. After the inserts are placed in the drum, the inserts can be pressed against the drum by means of one or more pressure elements and one or two cover (s) is / are provided at least at one front end of the drum.
[00117] In the embodiment according to Figure 43, only one insert per row is provided comprising all product cavities in this row respectively. However, it is still possible to have multiple inserts per row, where each insert can comprise more than one cavity.
[00118] Figure 45 shows another embodiment of the inventive drum. The drum comprises an inner member 146 and an outer member 141. In the present case, each row of cavities (here five) comprises several porous inserts 10, placed in parallel along the axis of the drum. The porous inserts 10 will be placed from inside the outer member 141, here a tube with a relatively thick wall, in a recess of the outer member. After inserting each insertion, it is at least partially against the internal circumference of the recess, respectively. In the present case, the cross-section of the insert is at least partially engaged and its outer circumference is at least partially against the inner circumference of the recesses in the outer member. Each recess extends across the entire outer member and narrows at least partially from the inner diameter to the outer diameter of the outer member 141. The inserts can be round, rectangular, square, oval or similar. An insert can comprise one or more cavities. The inserts can be connected to the external member by connecting material. A gap between the porous insert and the outer member can be closed by means as described above. After the porous inserts are placed in the recesses of the outer member, respectively, the inner member 146 is inserted into the
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35/45 external member and fixed on the external member. The inner member 146 preferably fixes the inserts 10 in their respective position on the outer member. In the present case, the inner member 146 has an opening 287 that extends over the entire length. The diameter of the inner member 146 is preferably larger than the inner diameter of the outer member 141. For insertion, the opening 287 of the slightly large inner member is elastically compressed, so that the diameter of the inner member 146 is reduced. Then the inner member 146 is placed on the outer member 141 and the elastic compression is released. Due to the force as the spring of the inner member expands and is pressed against the outer member 141 and / or the inserts 10. After inserting the inner member, opening 287 can be secured against compression and / or the opening can be enlarged to increase the pressure of the inner member against the outer member and / or the inserts. The inner member 146 is, in the present case, the thick-walled tube.
[00119] The inner member 146 comprises in its circumference several channels, in this case two channels per row of cavities, which preferably extend over the entire length of the inner member. The inserts can be supported by a support member provided on the outer circumference of the inner member, located here between the two channels, which takes part of the load, for example, when filling the cavities in the porous inserts. The person skilled in the art understands that the channels can also be provided on the inner circumference of the outer member 141, as described above. [00120] After the inserts 10 are inserted and fixed on the outer member 141, the outer diameter of the drum can be smoothed.
[00121] Reference is now also made to the description referring to the
Figure 23.
[00122] Figures 46 - 53 show yet another embodiment of the present invention. In this embodiment, the inventive drum 1 comprises
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36/45 an internal member 146, here a drum, which is, for example, made of stainless steel. This inner member, the drum, comprises at least one preferably several longitudinal reinforcements 134, which preferably extend radially from the circumference of the inner member 146 and which preferably extend over the entire length of the drum and most preferably up to the outer circumference of the drum 1, as can be seen from Figures 47 - 49, 53. The inner member 146 and the rib are preferably one piece. Between two longitudinal reinforcements, respectively, one or more inserts 10 are arranged, which are at least partially, preferably completely made of a porous material, as previously described. The cross section of each insert is preferably the segment of a circle. Alternatively, the cross section can be fitted. Each insert 10 can, for example, be sintered in a mold that is provided with a curved inner and outer surface. Subsequently, the front ends of the inserts are preferably manufactured, preferably milled. During this step of the process, the shape of one or more front ends can be changed, if desired, and / or the porous structure of the front ends can be closed to create a strong bond. Preferably, all four front ends of each segment are closed. Each insert can comprise one or more groove (s) and / or fluid channels as previously described. Each of the two opposite front ends 291 of each insert is preferably placed against a rib 134. Each rib preferably comprises two stops 290, here a recess, for the insertion. After the insertion is placed in the recess between the two ribs 134, preferably an edge of each front end 291 is against the stop 290, so that each insertion is clearly in the defined position, as can be better seen in Figures 46, 51 and 52. Between the inside of insert 10 and the member
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37/45 inner 146, the inventive drum 1 preferably comprises one or more fluid channels 6, for example, for ventilating the inserts and / or for discharging a fluid through the porous insert 10. Each channel 6 can be manufactured in the inner member 146 and / or at insert 10. In the present case, stops 290 are designed so that a distance is left between the circumference of the inner member 146 and the inner part of the insert 10, which serves as the fluid channel 6. This channel of fluid preferably extends from one front end of the insert to the other. As can be seen particularly from Figure 52, the inner member 146 and / or the insert 10 can comprise support means 132, here one or more rib (s), for the insert 10. Support means 132 can also be used for define a fluid channel. The distance between the two ribs 134 is preferably slightly greater than the distance between the two front ends 291. This simplifies the insertion of the insert between the ribs 134 and / or allows space for a bonding material, for example, a glue or a welding material.
[00123] Before inserting the insert between two ribs 134, the surface of the insert 10 is preferably at least partially covered with a welding film, for example, as previously described, which is attached to the insert 10. This film can be used to fix the insert 10, preferably irreversibly, to the inner member 134 and / or to close the surface of the insert, where necessary. [00124] Each front end 291 of insert 10 is preferably rigidly and irreversibly connected to a rib 134. This connection is preferably at least essentially tightened by fluid. The connection between insert 10 and rib 134 is preferably made with flow-free welding, as described above. However, another connection and / or sealing means, for example, as described above, can be used additionally or alternatively. For
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38/45 improve welding, before inserting the insert between the two ribs 134, a solder material, for example, a paste can be inserted into a longitudinal groove 289 in the rib 134. The skilled person understands that the grooves 289 can alternatively or additionally on insert 10. Slots 289 can also be provided on covers 3 and 4 and on distance piece 288.
[00125] As can be seen, for example, from Figures 47 and 48, the insert 10 between two ribs 134 can be a single piece (Figure 47) or several pieces (Figure 48). In the case of several pieces, two pieces can be separated by a piece of distance 288, respectively (Figure 48). This distance piece can be a film or a blade. Two inserts can be connected by the distance piece 288. However, several inserts can also be placed directly adjacent as described in Figure 49.
[00126] When using flow-free welding as the connection technique between insert 10 and ribs 134, inserts and cover and / or between the inserts themselves, the distance between the parts to be connected is preferably <0, 1 mm, more preferably <0.07 mm, here approximately 0.05 mm. Each solder joint will preferably be filled with film / sheet solder. If necessary, additional solder material, for example, solder paste in a reservoir 289 between two parts 3, 4, 10, 134, 288 can be supplied.
[00127] After the inventive drum is assembled, it is heated, for example, in an oven and the solder material is liquefied and / or its viscosity reduces for the capillary forces of the solder material to spread in regions with insufficient coverage with material soldering. After the drum 1 leaves the heater, it is cooled and the inserts 10 are irreversibly connected with the inner member, that is, they cannot be removed from the inner member without destruction.
[00128] If necessary, support reinforcements 132 can be placed
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39/45 between each product cavity 2 in a row and / or in the longitudinal direction preferably parallel to the ribs 134, as can be seen from Figure 52.
[00129] The length of the joint of, or all of the inserts in a row is preferably longer than the length of the inner member 146. After the inserts 10 are placed in the inner member, the inserts in a row are preferably tight and secured, that is, installed in the longitudinal direction, by two covers 3, 4.
[00130] As one of the final steps, drum 1 is preferably manufactured in its final diameter. Thus, the pores on the surface of the inserts are preferably closed. The cavities of product 2 can be formed before or after the inserts 10 are fixed to the inner member 146. However, preferably, the cavities are inserted into the drum in one step of the final machine.
[00131] Figure 54 describes an example in which the thickness tb of the bottom part 212 is less than the thickness ts of the side wall 218. When it flows through the passage 6 it is directed to the fluid channel 214 this fluid will first enter the cavity of product 211 through the bottom part 212 and subsequently through the side wall 218 due to the higher flow resistance of the side wall and / or the longer distance this fluid must pass.
[00132] Reference is now made to Figure 55. The product cavity within the porous material can be produced, for example, by grinding. The flow of the fluid through the bottom part 212 or the side wall 218 can, for example, be influenced by the tool to be used (type of cutter, material cutter, number of cutting edges, angle cutting edge, etc.) and / or by a grinding parameter (cutting speed, feed rate, etc.). By machining the sidewall 218 by method 1 (294) and the bottom 212 by method 2 (295) the surface and permeability of the sidewall and the bottom will be different
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40/45 resulting in different flow characteristics. Each method, for example, closes the pores on the surface of the side wall and the bottom differently. Preferably, method 1 and 2 is grinding, grinding, EDM and / or polishing. Preferably, the side wall has a lower permeability than the bottom.
[00133] Figure 56 shows a cavity, in which the lower part is made of a material with a different porosity than the material of the side wall. This again results in a lack of phase between the ejection of a fluid through the bottom and through the side wall. Preferably, the porosity of the bottom material is higher than the porosity of the side wall material.
[00134] Figure 57 shows an example with several passages; a separate passage 292 for the bottom and a separate passage 293 for the side wall.
[00135] When the fluid is directed to both passages 292 and 293 at the same time this fluid will enter the product cavity at the same time from the bottom and the side wall.
[00136] When the fluid is first directed to passage 293 which is connected to the porous structure of the side wall and some time later to passage 292 which is connected to the porous structure of the lower part, the fluid will enter the product cavity first through the side wall . [00137] When the fluid is first directed to passage 292 which is connected to the porous structure of the lower part and some time later to passage 293 which is connected to the porous structure of the side wall the fluid will enter the product cavity first through the lower part.
[00138] When processing a sticky mass, the formed food product will stick to the cavity due to the adhesion forces between the product and the side wall. Using different fluid pressures this problem can be solved. First fluid with relatively high pressure
Petition 870180069781, of 10/08/2018, p. 44/58
41/45 low can be directed to passage 292 to eliminate adhesion forces between formed product and lower wall. Then the fluid with a relatively low pressure can be directed to passage 293 to eliminate adhesion forces between formed product and side walls. Then the fluid with the highest pressure can be directed to passage 292 (bottom wall) to remove the product from the cavity. The skilled person understands that all the characteristics of the examples can be combined with each other.
[00139] Figure 58 shows the preferred drum mode. The drum comprises an essentially cylindrical internal member with grooves for at least one, preferably several inserts 10. Preferably each insert is sintered, preferably of a metallic material. Each insert is fixed, preferably by an adhesive connection, to the drum. More preferably, each insert is welded to the drum. Preferably, each insert extends, at least essentially, over the entire length of the drum. More preferably, the drum comprises a lid 7, more preferably at each end. Each cap is preferably designed as a circular ring. The lid is connected to the drum preferably by a fit by shape and / or force, more preferably screwed to the drum. LIST OF REFERENCE SIGNS:
Drum
Product cavity
First front end of the drum
Second front end of drum
Tip
Fluid passages in the drum in the longitudinal direction
Cover
Row of cavities
Insertion
Petition 870180069781, of 10/08/2018, p. 45/58
42/45
Closed region
Porosity region A, side wall
Porosity B region, bottom
Recess for insertion
Radial fluid channel. Radial fluid channel at insertion, radial fluid in the inner limb
Fluid channel at insertion
Porous top surface
Porous insertion part
Back ring
Contact area
Fluid channel
Subassembly of the contact surface
Welding / Brazing Line
Welding / Brazing Line
Weld
Two-component connection schedule
Insertion of the distribution channel
Distribution channel recessed drum
Epoxy Bridge
Power point / sealing plug
Discharge point / sealing plug
Cover
Connecting means
Locking pin
Fluid passage in the locking part
Fluid channel at insertion
Flange
Locking part
101 Fixing means
Petition 870180069781, of 10/08/2018, p. 46/58
43/45
102 Closing means
119 Metal insertion
132 Means of support, Reinforcement of support
134 Longitudinal reinforcement
137 Pressure element
138 Fixing means, screw
141 External member
143 Passage of fluid in the outer limb
145 Flange
146 Internal member, Internal member made of porous material, structure, structure made of a solid material, preferably steel
147 Reinforcement ring
153 Support means, Support reinforcement (part of the inner member) 183 Barrier, Barrier around the product cavity 2 185 Intermediate member outside the porous material
188 Direction of the longitudinal barrier
189 Circumferential direction of the barrier
200 Sintered porous material
211 Product cavity
212 Porous bottom wall
214 Bottom wall of the fluid channel
218 Porous sidewall
220 Bottom wall of the fluid channel
221 Sidewall of the fluid channel
230 Cover
231 Recess in the lid
232 Supply of fluid
234 Drive means
255 Fluid channel for the bottom wall
256 Fluid channel for the sidewall
Petition 870180069781, of 10/08/2018, p. 47/58
44/45
261 Insertion (porous part)
262 Product cavity
263 Porous bottom wall
264 Porous sidewall
265 Splitter / Support reinforcement
266 Food product partially discharged
267 Outlet strap
268 Fluid passage 1
269 Fluid channel compartment 1
270 Fluid passage 2
271 Fluid channel compartment 2
272 Fluid passage 3
273 Fluid channel compartment 3
274 Input shoe, sealing means
275 Pasta input
282 Passage
283 Fluid channel for insertion of the sidewall
284 Fluid channel for insertion of the lower wall
285 Recess
286 Support for insertion
287 Compartment
288 Piece away
289 Reservoir for material welding, welding groove
290 Stop, recess
291 opposite ends of an insert
292 Passage of the fluid in the longitudinal direction of the drum to the bottom
293 Fluid flow in the longitudinal direction of the drum to the side wall
294 Machining according to method 1
Petition 870180069781, of 10/08/2018, p. 48/58
45/45
295 Machining according to method 2 ts Side wall thickness tb Thickness of the bottom part
Petition 870180069781, of 10/08/2018, p. 49/58
1/4

权利要求:
Claims (23)
[1]
1. Food forming drum (1) having a plurality of rows of porous product cavities (2, 211, 262), each row having one or a plurality of porous product cavities (2, 211, 262), the drum preferably having a first and a second front end (3, 4) and preferably fluid channels (6, 270, 272, 272, 292, 293) in the longitudinal direction of the drum of each fluid channel (6, 270, 272, 272, 292, 293) preferably connecting a row of porous product cavities (2, 211, 262) with respect to the fluid, characterized in that the porous product cavities (2, 211,262) are provided as one or more inserts ( (10, 261) which is / are connected to the drum by an adhesive connection, fit by shape and / or friction.
[2]
2. Food-forming drum (1) according to claim 1, characterized by the fact that each insert is connected to the drum by welding, welding and / or brazing or a plastic material, preferably epoxy, connection.
[3]
3. Food forming drum (1) according to claim 1 or 2, characterized in that the porous product cavity (2, 211, 262) comprises at least two or more regions (12, 13) with different porosities.
[4]
4. Food forming drum (1) according to claim 1, characterized in that the porous product cavity (2, 211, 262) is made as an insert (10, 261) with a porous part (42 ) and preferably a stop ring (43).
[5]
Food-forming drum (1) according to any one of claims 1 to 4, characterized in that the porous part (42) of the porous product cavities (2, 211, 262) and / or the insertion are placed from inside or outside or from a front end (3, 4) on the side wall of the drum, preferably against a flange
Petition 870180069781, of 10/08/2018, p. 50/58
2/4 (89, 145) or in a groove.
[6]
Food forming drum (1) according to any one of claims 1 to 5, characterized in that the drum has a recess (31,285) for the porous part (42) of the porous product cavities (2, 211, 262) and / or for insertion (10, 261), the recess having support means (132, 153, 265, 286) for the porous part (42) and / or the insertion (10, 261) .
[7]
7. Food-forming drum (1) according to any one of claims 1 to 6, characterized in that the drum has a plurality of members of the side wall (185, 146, 141), with one member being preferably a thin laminated member.
[8]
Food-forming drum (1) according to any one of claims 1 to 7, characterized in that the porous product cavity (2, 211, 262) is made as an insert and is attached to the drum by a side wall member (141, 146)
[9]
Food-forming drum (1) according to any one of claims 1 to 8, characterized in that the fluid channel (6, 32) and / or support means (153, 132, 265) are part porous member (146, 185) or a porous insert.
[10]
10. Food forming drum (1) according to any one of claims 1 to 9, characterized by the fact that it presents a multiplicity of fluid channels (6, 270, 271, 272, 292, 293) per row.
[11]
11. Food-forming drum (1) according to any one of claims 1 to 10, characterized in that the side wall (218, 264) and the lower part (212, 263) of the porous cavity have different resistance to flow referring to the fluid flow of the fluid to remove the formed food product from the cavity (2, 211,262).
Petition 870180069781, of 10/08/2018, p. 51/58
3/4
[12]
Food-forming drum (1) according to claim 11, characterized in that the thickness of the porous material at the bottom (212, 263) differs from the thickness of the porous material at the side wall (218, 264).
[13]
13. Food-forming drum (1) according to claim 11 or 12, characterized in that the thickness of the porous material at the bottom (212, 263) is less than the thickness of the porous material at the side wall ( 218, 264).
[14]
Food-forming drum (1) according to any one of claims 11 to 13, characterized in that the side wall surface (218, 264) of the porous material has a higher flow resistance than the surface of the porous material at the bottom (212, 263).
[15]
15. Food forming drum (1), according to claim 14, characterized by the fact that more pores on the surface of the porous material on the side wall are closed and / or more reduced in their cross section than the pores on the surface of the porous material at the bottom or vice versa.
[16]
16. Food-forming drum (1) according to any one of claims 1 to 15, characterized in that the side wall (218, 264) and / or the bottom part (212, 263) of the porous cavity has a varied thickness.
[17]
17. Food forming drum (1) according to any one of claims 1 to 16, characterized in that the drum is melted.
[18]
18. Food-forming drum (1) according to any one of claims 1 to 17, characterized in that the porous part (42) of the porous product cavities (2, 211, 262) and / or the insert ( 10, 261) are connected to the drum by epoxy or molten metal or metal alloy, preferably supplied as bridges.
Petition 870180069781, of 10/08/2018, p. 52/58
4/4
[19]
19. Food-forming drum (1) according to any one of claims 1 to 18, characterized in that the fluid passage is capped with a cap (230) that covers a fluid supply, the cap having a recess (231) and / or is rotatable.
[20]
20. Food forming drum (1), according to claim 1, characterized by the fact that the porous cavities are provided as a porous insert, which is irreversibly connected to the drum.
[21]
21. Food-forming drum (1) according to any one of claims 1 to 20, characterized by the fact that the drum has a multiplicity of members of the side wall (185, 146, 141), preferably inner member or intermediate member is completely a porous member.
[22]
22. Food-forming drum (1) according to any one of claims 1 to 21, characterized in that the drum has a plurality of fluid channels (6, 270, 272, 272, 292, 293) per row and / or each fluid channel is connected to a fluid compartment.
[23]
23. Food-forming drum (1) according to any one of claims 1 to 22, characterized in that the drum (1) has an internal member (146) that is formed as a drum and has ribs (134 ), which extend radially from the inner member and one or more insertion (s) are placed between two ribs (134), respectively.
Petition 870180069781, of 10/08/2018, p. 53/58
2/51
3/51

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WO2019229038A2|2018-05-28|2019-12-05|Gea Food Solutions Bakel B.V.|Mould member with foreign object detection|

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NL2022602B1|2019-02-19|2020-08-31|Marel Further Proc Bv|Movable mould member for moulding food products|

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CA3144105A1|2019-06-19|2020-12-24|Gea Food Solutions Bakel B.V.|System to mould products from a food mass|

法律状态:
2018-01-23| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law|

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2018-05-29| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law|

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2018-09-18| B09A| Decision: intention to grant|

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2018-11-13| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/02/2012, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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EP11001069.1|2011-02-10|

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EP11001069|2011-02-10|

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EP11002345|2011-03-22|

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EP11002345.4|2011-03-22|

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EP11003605|2011-05-03|

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EP11003605.0|2011-05-03|

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EP11010186|2011-12-23|

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EP11010186.2|2011-12-23|

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PCT/EP2012/000610|WO2012107236A2|2011-02-10|2012-02-10|Food forming drum|

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