![]() OBJECT DISTRIBUTION SYSTEM
专利摘要:
The present invention relates to an object distribution system intended to be interposed between an upstream machine delivering an input stream of objects (2) in the form of a single file and a downstream machine requiring an output stream of objects (2) in the form of a controlled plurality of queues, comprising a conveyor belt (3) configured to support and drive the objects (2) in the flow direction, a deflector (4) configured to deflect the input stream to one of the queues of the output stream, and a train creation means (5) configured to separate the input stream into trains of a predetermined amount of objects (2), said train creation means (5) being disposed immediately upstream of the queues of the output stream. The present invention further relates to a method of distributing objects using a system according to the invention. 公开号:FR3056970A1 申请号:FR1659416 申请日:2016-09-30 公开日:2018-04-06 发明作者:Dominique Rabec 申请人:CERMEX SA; IPC主号:
专利说明:
Holder (s): C.E.R.M.E.X. CONSTRUCTIONS STUDIES AND RESEARCH OF MATERIALS FOR SHIPPING PACKAGING Simplified joint-stock company. Extension request (s) Agent (s): GEBO PACKAGING SOLUTIONS FRANCE. OBJECT DISTRIBUTION SYSTEM. FR 3 056 970 - A1 The present invention relates to an object distribution system intended to be interposed between an upstream machine delivering an input flow of objects (2) in the form of a single file and a downstream machine requiring an output flow of objects (2) in the form of a controlled plurality of lines, comprising a conveyor belt (3) configured to support and drive the objects (2) in the direction of flow, a diverter (4) configured to divert the input flow to one of the queues of the output stream, and a train creation means (5), configured to separate the input stream into trains from a predetermined quantity of objects (2), said train creation means (5) being arranged immediately upstream of the lines of the output stream. The present invention also relates to a method of distributing objects using a system according to the invention. Object distribution system The present invention is in the field of conveying objects within an industrial processing line. It relates more particularly to an object distribution system, capable of distributing a flow of objects upstream over several channels downstream. Solutions exist, making it possible to divert articles from a single track to a plurality of tracks. The document US20080264759 proposes a device making it possible to guide products coming from a single channel, towards a given channel. A mobile section is used to direct the products to the desired outlet. This device also comprises a separation means, making it possible to create a space between different product trains. However, these solutions do not ensure satisfactory maintenance of the objects during the lane change phases. They cannot therefore be used at high rates, because of too great a risk of falling objects and / or jamming. In addition, the reliability of these devices is not perfect, the quantity of objects at the output of the deflector cannot be controlled exactly and detectors are required at the output of the deflector in order to correct any errors. The object of the present invention is to at least partially overcome these drawbacks. To this end, it offers an object distribution system intended to be interposed between an upstream machine delivering an input flow of objects in the form of a single file and a downstream machine requiring an output flow of objects in the form of a controlled plurality of queues, comprising a conveyor belt configured to support and drive the objects in the direction of flow, a diverter configured to divert the input flow to one of the queues of the output flow, and a train creation means, configured to separate the input stream into trains from a predetermined quantity of objects, characterized in that said train creation means is arranged immediately upstream of the queues of the output stream. Thanks to these provisions, the distribution of objects in the output queues is very precise. We know exactly the quantity of product delivered in each queue of the output stream. We can then do without a buffer accumulation zone between the diverter and the downstream machine, wrapping or casing, and no error detection means is necessary between the distribution system and the machine in downstream. In addition, the operation can be precisely regulated. The speed of the distribution system can therefore be directly regulated according to the needs of the downstream machine. The notion of immediately upstream must be understood as close enough for it to become almost impossible for objects to separate from their train of objects between the means of creating trains and the queues of the output stream. Typically the downstream end of the train creation means is at most two objects from the entrance to a queue of the output stream. According to other characteristics: - Said means for creating trains may comprise two fingers and a means for driving said fingers in the direction of flow on the side of the flow with a return on the side opposite to the flow, each of said fingers being intended, when it moves in the direction of flow, to separate the objects located downstream from those located upstream of said finger, which ensures that the objects are maintained during the lotage sufficient to allow the train creation means to operate at high speed without increasing the risk of falls from object and stuffing, - said train creation means may include an entry guide configured to keep the entry flow out of reach of said finger over a first part of the length of the train creation means, and to engage the objects engaged with said finger on a second part of the length of said train creation means, thus the fingers engage with the objects while they are perpendicular to the flow of objects, which facilitates the insertion of the fingers between the objects. - Said train creation means can be movable in translation in the transverse direction to the direction of flow, so as to be able to supply objects, successively various rows of the output stream, and said deflector is arranged upstream of said means for creating trains, so as to deflect said input flow towards the input of the train creation means, which constitutes a simple and robust means of production, - Said train creation means can be movable in rotation about an axis arranged near the entrance of the train creation means and the entry queue, so as to receive the entry flow at a point fixed, and to position its output successively in front of various queues of the output flow, the train creation means itself constituting the diverter, which makes the distribution system simpler, less bulky, and which reduces the risk of falls from 'object, stuffing and distribution error induced by the interface between the diverter and the train creation means; this also allows for easier control. The present invention also relates to a method for distributing objects delivered according to an input flow of objects in the form of a single queue into an output flow of objects in the form of a controlled plurality of queues, by means of a system according to the invention, characterized in that it comprises the following steps: - training of objects in the direction of flow, - entry of said objects into the diverter and the train creation means, - constitution of a train, and separation of said train from upstream and downstream objects of said train, - displacement of the downstream end of the train creation means towards another queue of the output stream, - introduction of said train into said other queue. Thanks to these arrangements, the objects are distributed in the output queues very precisely. The speed of the distribution system can therefore be directly regulated according to the needs of the downstream machine, and no means of error detection is necessary between the distribution system and the downstream machine. According to other characteristics: - The process may include, after entering the train creation means, the following steps: - accumulation of objects upstream against a first finger, in order to separate them from objects downstream of said first finger until caught between the next finger and the objects of the input stream, - accumulation of objects upstream against the next finger, in order to separate them from the objects located between said next finger and said first finger, - acceleration, by retraction of the first finger, of the objects which were located between the first finger and the next finger, constituting a train which engages in one of the queues of the output stream. In this way, the objects are well maintained during their lotage, which makes the lotage precise and prevents the objects from falling, even if the means of creating trains operates at high speed. - The process may include before said braking of objects upstream of said first finger the following steps: - keeping out of reach of said fingers at the input of train creation means, - guidance towards said first finger of the objects until the engagement between said first finger and the objects. In this way, the fingers engage with the objects while they are perpendicular to the flow of objects, which facilitates the insertion of the fingers between the objects. The present invention will be better understood on reading the detailed description which follows, with reference to the appended figures in which: - Figure 1 is a top view of a distribution system according to the invention in a first embodiment, in a first position. Figure 2 is a top view of a distribution system according to the invention in a first embodiment, in a second position. - Figure 3 is a top view of a distribution system according to the invention in a second embodiment, in a first position. - Figure 4 is a top view of a distribution system according to the invention in a second embodiment, in a second position. The object distribution system according to the invention, shown in FIGS. 1 to 4, is placed between an upstream machine and a downstream machine. The upstream machine feeds the distribution system through an input line 1 carrying a stream of objects 2 in the form of a single file. The distribution system comprises a conveyor belt 3, a diverter 4 and a train creation means 5, which can all be mounted on a common chassis. The means for creating trains 5, also called in the description below lotter 5, contributes to creating spaces in the single-line column of objects 2, to transform a compact column into separate successive trains. The loter 5 can include longitudinally movable stops, against which the compact column of objects is supported 2. The speed differences between the conveyor belt 3 and said stops or fingers, make it possible to create said spaces. At the output of the distribution system, the objects 2 are distributed in different queues of the output stream, for example materialized by outlet channels 6, the downstream machine needing to be supplied by a controlled plurality of queues generally separated from each other by walls. The objects 2 can for example be plastic bottles, and the upstream machine can be a bottle labeling machine. The downstream machine can be a bundler. This type of machine produces blocks by wrapping, for example in a plastic film, a certain number of objects 2. For example if we want to make packs of six bottles, three in length and two in width, the shrinkwrapper requires a three-way entry, and it will process the bottles two by two in each lane. The shrinkwrapper knows how to introduce the film between two successive objects in an entrance hall, but it needs that in all the parallel lines considered, the objects are aligned with each other. In the example above, the shrink wrapper takes two objects in each lane; the first object in the first lane must be aligned along a line perpendicular to the lanes with the first object in the other two lanes. The shrinkwrapper can produce blocks of different sizes, depending on the settings made on the machine, provided that they are rectangular. It is also conceivable that the shrinkwrapper makes several blocks in parallel, for example two 2 x 2 blocks in parallel. In the preferred embodiment of the invention shown in Figs. 1 to 4, the loter 5 comprises a longitudinal corridor 7, fingers 8 and a drive means 9 such as a belt or a chain, parallel to the corridor 7. The fingers 8 are fixed on the drive means, and move parallel to the objects 2 in the direction of the flow of the objects 2, then make a return before resuming their course parallel to the objects 2. For example, the fingers 8 can be arranged on a chain 9, winding around a driving pinion and a return pinion. When a finger 8 moves in the direction of flow of the objects 2, it is inserted into the flow and separates the objects 2 upstream of the finger 8 from the objects 2 downstream of the finger 8. The column of objects 2 is compact from upstream of the distribution system and up to a first finger 8. The speed of the drive means 9 being less than the speed of the conveyor belt 3, the first finger 8 therefore limits the speed of the compact column objects 2 to a value lower than that of the conveyor belt 3. When it reaches the end of its travel parallel to the objects 2 and just before making its return, the first finger 8 retracts, which then has the effect of release the objects 2 up to the next finger 8 upstream and allow the conveyor belt 3 to accelerate them. This creates a space between the objects 2 which extend upstream from the next finger 8, and the objects 2 downstream, which have just been released by the first finger 8. The space between all the fingers 8 is identical, so that the trains are composed of a fixed number of objects 2. In a preferred embodiment of the invention shown in figs. 1 to 4, the lotter 5 has three fingers 8. The presence of three fingers 8 makes it possible to ensure that when a finger 8 is inserted into the flow of objects 2, another finger 8 is still engaged with the objects 2 downstream of the corridor 7. Thus the trains are formed of a compact column of objects 2, and it is ensured that each train leaving the lotor 5 is made up of the same number of objects 2, the size of the trains corresponding at the spacing between two fingers 8. Corridor 7 of the lotter 5 may include an inlet guide 10, arranged parallel to the drive means 9, which keeps the flow of objects 2 out of reach of the fingers 8 in a first part of the corridor 7. In this mode of embodiment, it is only downstream of the input guide 10 that the objects 2 are brought closer to the fingers 8 which are then able to be inserted between the objects 2. In this way, the fingers 8 come into engagement with the objects 2 while they are perpendicular to the flow of objects 2, which facilitates the insertion of the fingers 8 between the objects 2. In fact, if such an entry guide 10 is not provided, the objects 2 are then within reach of the finger 8 when the latter returns to the flow side; the latter then performs a rotational movement at the same time as a translational movement, and its linear speed at the end of finger 8 may be too great. One can for example provide that the entry guide 10 keeps the objects 2 out of reach of the finger 8 over a length of two objects 2, then pushes the objects 2 towards the finger 8. In a first embodiment shown in FIGS. 1 and 2, the diverter 4 disposed upstream of the loter 5 comprises a diverter guide 11 composed for example of two parallel walls. The deflecting guide 11 is configured to receive the objects 2 at the input of the distribution system, then direct them substantially opposite the exit channel 6 for which the objects 2 are intended. In this embodiment, the lotter 5 is movable in translation in a direction transverse to the flow of objects 2, in order to align with the deflecting guide 11 upstream and successively with the different outlet channels 6 for which the 2 objects downstream. To change the exit route 6, the lotter 5 moves from its initial position to a position where its corridor 7 is well aligned with the exit route 6 selected to receive the objects 2. When an object train 2 comes to be fully transferred to an exit track 6, the loter 5 performs a translational movement in a direction transverse to the flow of objects 2. More precisely, once the object 2 most upstream of the previous train is sufficiently engaged in the exit track 6, the lotter 5 is moved so that its downstream mouth arrives opposite the next exit track 6, so that the objects 2 of the next train all enter it. The space between two trains, created by the fingers 8, corresponds to the minimum time necessary for the loteur 5 to be positioned opposite the exit track 6 to which the next train is to be directed. Thus in FIG. 2, the lotter 5 has just positioned himself opposite an exit track 6 and is preparing to transfer the next train there. When the loteur 5 performs a translational movement, the deflecting guide 11 performs a rotational movement so that the output of the deflecting guide 11 is always positioned opposite the entrance to the corridor 7. In fact, the flow of objects 2 coming from the entry line 1 is continuous and in the event of non-alignment of the exit of the deflecting guide 11 and of the entry of the corridor 7, there is a risk of falling objects 2 and of entering objects 2 not batched in the exit channels 6. In a second embodiment shown in FIGS. 3 and 4, the lotter 5 is movable in rotation about an axis arranged near the entrance of the lotor 5 and the entry line 1, so as to be able to align directly with the entry line 1 in upstream and the exit channel 6 for which the objects 2 are intended downstream. In this way the lotor 5 constitutes himself the diverter 4, which simplifies the distribution system and saves space. To change the exit route 6, the lotter 5 moves from its initial position to a position where its corridor 7 is well aligned with the exit route 6 selected to receive the objects 2. When an object train 2 comes to be fully transferred to an exit path 6, the lotter 5 performs a rotational movement around an axis disposed near the entrance of the loter and the entry line 1. More precisely, once the object 2 most upstream of the previous train is sufficiently engaged in the exit track 6, the loter 5 is moved so that its downstream mouth arrives opposite the next exit track 6, so that the objects 2 of the train next all enter. The space between two trains, created by the fingers 8, corresponds to the minimum time necessary for the loteur 5 to be positioned opposite the exit track 6 to which the next train is to be directed. Thus in FIG. 2, the lotter 5 has just positioned himself opposite an exit track 6 and is preparing to transfer the next train there. In the second embodiment, the lotor 5 fulfilling the functions of the deflector 4, the risk of falling objects 2 or of arrival in the exit paths of non-lotated objects 2, linked to a misalignment of the deflector 4 and of lotter 5, are further reduced. The speed of the distribution system can be directly regulated according to the needs of the downstream machine. Indeed, the lotage being carried out immediately upstream of the downstream machine, it is ensured that the change of exit channel 6 is done precisely during the hole formed during the separation of one train to another. In addition, the number of objects 2 released in each exit channel 6 is known precisely, which avoids the implementation of a downstream accumulation zone, and which makes it possible to coordinate operations. If we have the lotter 5 upstream of the diverter 4, the objects 2 can move relative to each other in the diverter 4, and it sometimes happens that an object 2 ends up in the exit path preceding or following that where it should be located. The result is poor control of the quantities present in each exit route. We are then obliged to monitor the evolution of these quantities, to have sensors alerting when the quantities deviate too much from the planned quantity, either more (maximum) or less (minimum), hence their name sensor mini-maxi, and provide for specific remedial procedures. This significantly complicates the programming of the distribution device, and requires the provision of extra lengths for the outlet channels, and therefore an increase in the necessary installation length. In addition, the size of each train is very precisely respected thanks to their upstream and downstream maintenance by the fingers 8 during their crossing of the corridor 7, and the quantity of objects 2 delivered in each exit way 6 depends precisely on the speed. of the distribution system. It is thus possible to eliminate the mini maxi sensors, as well as the remedial procedures, and save space in the installation of the machines, and consequently reduce the investment costs. Having full control over the quantity of objects delivered in each exit route 6 has many advantages. In addition to those already mentioned, it makes it possible to control the upstream machine directly in a coordinated manner with the downstream machine. If more objects 2 are needed at the downstream machine, it suffices to increase the rate of the upstream machine (to the extent of its own possibilities of course), and to adapt the speed of the diverter 4 and the developer 5. There is no need to deal with side effects, the diverter / loter does its job perfectly. The speed of the fingers 8 must not be less than the speed of the flow of entry of the objects 2, because, otherwise, an accumulation of objects 2 would take place at the entry of the distribution device, which can cause falls and / or pressurization of the objects 2 which is not desirable. The distribution system according to the invention can for example be used according to the following method, with the aim of creating, from an input stream of objects 2 coming from an input line 1 comprising a single file, an output flow of objects 2 distributed in a plurality of output channels 6: - driving objects 2 in the direction of flow by the conveyor belt 3, - entry of the objects 2 into the diverter 4 and the loter 5, - constitution of a train, and separation of the train from the objects 2 located upstream and downstream of the train, - displacement of the downstream end of the lotter 5 towards another outlet channel 6 of the outlet flow, - introduction of the train into the exit track 6 of the exit stream towards which the downstream end of the lotor 5 has moved. In a preferred embodiment, the above process is completed with the following steps after the objects 2 have been entered into the lotter 5: - accumulation of objects 2 upstream against a first finger 8, in order to separate them from objects 2 downstream of the first finger 8 until caught between the next finger 8 and the objects 2 of the input stream, - accumulation of objects 2 upstream against the next finger 8, in order to separate them from the objects 2 located between the next finger 8 and the first finger 8. - acceleration, by retraction of the first finger 8, of the objects 2 which were located between the first finger 8 and the next finger 8, constituting a train which engages in one of the exit tracks 6. In a particular embodiment, the process is further completed by the following steps before the accumulation of objects 2 upstream against the first finger 8: - keeping out of reach of fingers 8 at the entry of lotter 5, - guidance towards the first finger 8 of the objects 2 until the engagement between the first finger 8 and the objects 2. Although the above description is based on particular embodiments, it is in no way limitative of the scope of the invention, and modifications can be made, in particular by substitution of technical equivalents or by any combination other than any or part of the characteristics developed above.
权利要求:
Claims (8) [1" id="c-fr-0001] 1. Object distribution system intended to be interposed between an upstream machine delivering an object input flow (2) in the form of a single file and a downstream machine requiring an object output flow (2 ) in the form of a controlled plurality of queues, comprising a conveyor belt (3) configured to support and drive the objects (2) in the direction of flow, a diverter (4) configured to divert the input flow towards the one of the queues of the output stream, and a train creation means (5), configured to separate the input stream into trains from a predetermined quantity of objects (2), characterized in that said means for creating trains (5) is arranged immediately upstream of the output stream queues. [2" id="c-fr-0002] 2. Distribution system according to the preceding claim, in which said train creation means (5) comprises two fingers (8) and a means for driving said fingers (8) in the direction of flow on the side of the flow with a return. on the side opposite to the flow, each of said fingers (8) being intended, when it moves in the direction of flow, to separate the objects (2) located downstream from those located upstream of said finger (8). [3" id="c-fr-0003] 3. Distribution system according to the preceding claim, wherein said train creation means (5) comprises an inlet guide (10) configured to keep the inlet flow out of reach of said finger (8) on a first part of the length of the train creation means (5), and for engaging the objects (2) engaged with said finger (8) on a second part of the length of said train creation means (5). [4" id="c-fr-0004] 4. Distribution system according to one of the preceding claims, in which said train creation means (5) is movable in translation in the transverse direction to the direction of flow, so as to be able to supply objects (2) successively. various queues of the output stream, and said deflector (4) is arranged upstream of said train creation means (5), so as to divert said input stream towards the entrance of the train creation means (5). [5" id="c-fr-0005] 5. Distribution system according to one of claims 1 to 3, wherein said train creation means (5) is rotatable around an axis disposed near the inlet of the train creation means (5 ) and the input queue, so as to receive the input flow at a fixed point, and to position its output successively in front of various queues of the output flow, the train creation means (5) itself constituting the diverter (4). [6" id="c-fr-0006] 6. Method for distributing objects (2) delivered according to an input flow of objects (2) in the form of a single file into an output flow of objects (2) in the form of a controlled plurality of files, by means of a system according to one of the preceding claims, characterized in that it comprises the following steps: - driving objects (2) in the direction of flow, - entry of said objects (2) into the diverter (4) and the train creation means (5), - constitution of a train, and separation of said train from objects (2) upstream and downstream of said train, - displacement of the downstream end of the train creation means (5) to another queue of the output stream, - introduction of said train into said other queue. [7" id="c-fr-0007] 7. Method according to the preceding claim, by means of a system according to one of claims 2 to 5, and comprising after the entry of said objects (2) in the train creation means (5), the following steps : - accumulation of objects (2) upstream against a first finger (8), in order to separate them from objects (2) downstream of said first finger (8) until caught between the next finger (8) and the objects (2) the input flow, - accumulation of objects (2) upstream against the next finger (8), in order to separate them from the objects (2) located between said next finger (8) and said first finger (8), - acceleration, by retraction of the first finger (8), of the objects (2) which were located between the first finger (8) and the next finger (8), constituting a train which engages in one of the lines of the output stream . [8" id="c-fr-0008] 8. Method according to the preceding claim, comprising before said accumulation of objects (2) upstream against said first finger (8) the following steps: - keeping out of reach of said fingers (8) at the input of means 5 creation of trains (5), - guiding objects (2) towards said first finger (8) until they are caught between said first finger (8) and the objects (2). 1/2
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同族专利:
公开号 | 公开日 US20180093836A1|2018-04-05| EP3301044B1|2021-10-27| US10343850B2|2019-07-09| CN107878819A|2018-04-06| EP3301044A1|2018-04-04| FR3056970B1|2020-09-18| CN107878819B|2022-01-04|
引用文献:
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法律状态:
2017-08-21| PLFP| Fee payment|Year of fee payment: 2 | 2018-04-06| PLSC| Publication of the preliminary search report|Effective date: 20180406 | 2018-08-22| PLFP| Fee payment|Year of fee payment: 3 | 2019-08-20| PLFP| Fee payment|Year of fee payment: 4 | 2020-08-19| PLFP| Fee payment|Year of fee payment: 5 | 2021-08-19| PLFP| Fee payment|Year of fee payment: 6 |
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申请号 | 申请日 | 专利标题 FR1659416A|FR3056970B1|2016-09-30|2016-09-30|OBJECT DISTRIBUTION SYSTEM| FR1659416|2016-09-30|FR1659416A| FR3056970B1|2016-09-30|2016-09-30|OBJECT DISTRIBUTION SYSTEM| EP17192614.0A| EP3301044B1|2016-09-30|2017-09-22|System for distributing objects| CN201710904097.2A| CN107878819B|2016-09-30|2017-09-29|Article dispensing system| US15/720,263| US10343850B2|2016-09-30|2017-09-29|System for distributing objects| 相关专利
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