• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an apparatus for cooking (1) food under pressure comprising a tank (2), a lid (3), and a first positioning element (6) integral with the lid (3) and formed of at least a first portion (7) disposed on the cover (3) and a second portion (8) extending outwardly from said first portion (7) so as to protrude radially from said cover (3); ), said apparatus (1) also comprising a second positioning element (10) integral with the tank (2), said tank (2) and cover (3) being designed to be joined in at least a first predetermined relative arrangement in wherein said first and second locating members (6, 10) are matched to allow locking of the lid (3) to the bowl (2), characterized in that said first positioning member (6) also comprises a piece of reinforcement (12) which is integral with said two the portion (8) and is shaped to at least thermally protect said second portion (8). Pressure cookers.
    公开号:FR3046043A1
    申请号:FR1563210
    申请日:2015-12-23
    公开日:2017-06-30
    发明作者:Eric Laurent Baraille；Eric Rhetat；Eric Chameroy
    申请人:SEB SA；
    IPC主号:
    专利说明:

    REINFORCING COOKER
    The present invention relates to the general technical field of pressurized food cooking appliances, and in particular to domestic appliances of the pressure cooker type intended to form a cooking chamber capable of mounting in pressure to ensure cooking under pressure of steam food contained within it.
    The present invention relates more particularly to a device for cooking food under pressure comprising a tank, a lid, and a first positioning element integral with the lid and formed of at least a first portion disposed on the lid and a second portion extending outwardly from said first portion so as to protrude radially from said lid, said apparatus also comprising a second positioning member integral with the bowl, said bowl and lid being designed to be joined together according to minus a first predetermined relative arrangement in which said first and second positioning elements are matched to allow locking of the lid to the vessel.
    Appliances for cooking food under pressure, especially for domestic use, are well known. They generally comprise a metal tank on which is intended to be reported sealingly, via a flexible seal ring seal, a lid also metal, so as to constitute a cooking chamber capable of mounting in pressure . The lid is intended to be connected to the tank by means of locking means allowing the pressure cooker to move between a locking configuration of the lid relative to the tank, in which the cooking chamber is able to mount in pressure, and an unlocking configuration in which the lid can be freely separated from the tank. There are different types of locking means well known in the prior art. One of the most common systems is the bayonet locking system, which is based on the implementation of tank and cover ramps intended to come into mutual support sliding after rotation of the lid to thereby provide a mechanical restraining link preventing the separation of the tank and the lid under the effect of the rise in pressure. The cover ramps are conventionally made by refolding inwardly of the annular falling edge of the lid, while the tank ramps are obtained by folding and cutting the free upper edge of the tank.
    In order to facilitate the locking and unlocking operations, it is known to provide the bayonet pressure cookers with a bowl handle and a lid handle which extend radially outwards respectively of the vessel and the lid and which are intended to be placed next to each other to allow locking of the lid relative to the tank. The lid handle is generally formed by a one-piece piece that usually incorporates a valve device and optionally an unlocking control knob and the associated mechanism. This one-piece piece is usually made of phenolic resin, which is the material commonly used to make the handles of cooking utensils, especially the handles of the bowl and lid of the pressure cookers. The phenolic resin indeed has properties, especially in terms of heat (heat transfer, effusivity ...) that make it particularly suitable for this use. It is thus nonflammable, resistant to temperature (it does not melt) and very robust. The use of a phenolic resin to make the handles thus makes it possible to respond relatively satisfactorily to the usual conditions of use of the pressure cookers. In particular, it is known that in common use, during the preliminary stages of pressure cooking, the users are in the habit of laying the lid on the tank randomly (without necessarily putting the handfuls of the tank and lid) to use the pressure cooker as a simple stew. Therefore, the unlocked lid may be in this situation in any orientation relative to the tank, with the risk of the lid handle being directly exposed to a high heat flow from the cooktop, or even a flame from the plate in question if the latter is for example a gas plate. The fact that the lid handle is made of phenolic resin thus prevents any heating, degradation or inflammation of the lid handle.
    These known pressure cookers, if they are satisfactory in terms of safety, nevertheless have serious drawbacks.
    Indeed, the molding of the phenolic material turns out to be a particularly demanding operation on the industrial plane, with relatively long molding cycle times and high part costs. In addition, the molding of the phenolic material imposes significant thicknesses and involves limitations in terms of aesthetics and coloring. The family of thermosetting polymers comprises three main materials, namely: - phenoplasts (which includes the material sold under the trademark "Bakelite ®"), which are only available in black, red and green; - aminoplasts, which includes melamine, which are available in any color but are relatively expensive and heavy. - Saturated polyesters, which are only suitable for the production of technical parts but not aesthetic parts.
    This limits the possibilities of aesthetic differentiation of the devices.
    In addition, phenolic resins, appreciated because of their hardness, can be recycled on the other hand very difficult, which poses a serious problem in terms of waste management and environmental protection when the pressure cooker arrives late life.
    Finally, the phenolic resin generally withstands the stresses in a hot and humid environment, as is the case for example in a dishwasher, and has a relatively low flexural strength, even though phenolic resin mounted on the lid of the pressure cookers are very regularly subjected to bending stresses which can be significant. The invention therefore proposes to remedy the various disadvantages set out above and to propose a new device for cooking food under pressure which, while having a high level of safety of use as well as a great robustness, perhaps manufactured in a simple, fast and inexpensive way, by means of a particularly flexible industrial process which makes it possible to obtain a pressure cooker particularly aesthetic, light and if necessary colored.
    Another object of the invention is to propose a new device for cooking food under pressure particularly resistant and whose design limits the risk of breakage in case of drop of the lid.
    Another object of the invention is to propose a new apparatus for cooking food under pressure which is particularly light and whose design makes it possible to obtain an apparatus with improved aesthetics and which is able to withstand in a particularly effective and durable manner washing conditions in the dishwasher.
    Another object of the invention is to propose a new pressure food cooking apparatus which lends itself particularly well to end-of-life recycling operations.
    Another object of the invention is to propose a new pressure food cooking appliance of particularly simple and inexpensive construction.
    Another object of the invention is to provide a new device for cooking food under pressure particularly robust and compact.
    Another object of the invention is to provide a novel pressure food cooking appliance which is designed to allow the user to control the locking and unlocking of the lid relative to the bowl in a particularly simple and intuitive manner.
    The objects assigned to the invention are attained by means of a pressurized food cooking apparatus comprising a tank, a lid and a first positioning element integral with the lid and formed of at least a first portion disposed on the cover and a second portion which extends outwardly from said first portion so as to protrude radially from said cover, said apparatus also comprising a second positioning member secured to the vessel, said vessel and lid being designed to be joined together according to at least a first predetermined relative arrangement wherein said first and second positioning members are matched to enable locking of the lid to the bowl, characterized in that said first positioning member also comprises a reinforcement piece which is integral with said second portion and is shaped at least thermally protect said second portion. Other features and advantages of the invention will appear and will appear in more detail on reading the description given below, with reference to the accompanying drawings, given by way of purely illustrative and non-limiting examples, in which: FIG. 1 illustrates, in a diagrammatic perspective view, a bayonet locking pressurized food cooking appliance according to a first embodiment of the invention, and in which the bowl and the lid are combined in a first predetermined relative arrangement. , corresponding to a latching waiting configuration, from which it is then possible to lock the lid relative to the tank by pivoting the lid relative to the tank, in order to bring corresponding bowl and lid ramps. FIG. 2 illustrates a lid subassembly of the apparatus of FIG. 1, which subassembly comprises the lid itself and the first positioning element integral with the lid and formed in this case by a crosspiece disposed on the cover and whose ends protrude radially from the lid. FIG. 3 is a view from below of the lid subassembly of FIG. 2. FIG. 4 illustrates a subassembly forming the first positioning element integral with the lid of FIGS. 2 and 3, said first positioning element being in this case constituted by a cross member which is for example of thermoplastic material and whose ends are locally associated with reinforcing pieces which are for example of thermosetting material. FIG. 5 is an exploded view of the subassembly of FIG. 4. FIG. 6 illustrates a detail of FIG. 5 relating more specifically to the manner in which the cross member and the reinforcement piece are assembled. FIG. 7 illustrates, in a diagrammatic perspective view, the reinforcement part of FIG. 6. FIG. 8 illustrates, in a schematic perspective view, a subassembly of the tank intended to be associated with the subassembly of FIG. Figure 2 of the lid to form a pressure cooking chamber as illustrated in Figure 1, said tank subassembly being formed by the tank itself and by two handgrips fixed diametrically opposite to the external lateral surface of the tank. FIG. 9 illustrates, in a diagrammatic sectional view, a detail of FIG. 1 relating to the cooperation between the first positioning element integral with the cover, formed in this case by the cross member equipped with its reinforcing pieces illustrated in FIG. 4, and a second positioning element integral with the vessel, formed in this case by a specific conformation of the vessel handles. - Figure 10 illustrates, in a schematic view, a detail of embodiment of a pressure cooker according to a second embodiment of the invention, which differs from the pressure cooker of the first embodiment essentially by the fact that the handle vessel is metallic (while it is thermosetting plastic in the first embodiment) and that the reinforcing piece also provides a geometric adaptation function allowing a complementarity of shape between the metal bowl handle and the first element of positioning.
    As illustrated in the figures, the invention relates to a device 1 for cooking food under pressure, intended to ensure the cooking of different foods at a pressure level higher than atmospheric pressure, in the presence of steam, and for example steam. 'water. Said steam is generated by heating, within the apparatus 1 and in the presence of food, a cooking liquid, for example an aqueous liquid. The apparatus 1 for cooking food under pressure is therefore a pressure cooker, preferably intended to be arranged on an independent cooking plate to heat the contents. The cooking apparatus 1 according to the invention comprises at least one bowl 2 forming a cooking vessel, intended to accommodate the food to be cooked and preferably having substantially a symmetry of revolution along a central vertical axis X-X ', which extends in a direction that is similar to the vertical direction when the apparatus 1 is in normal operation, that is to say rests on a horizontal plane. The vessel 2 is conventionally made of a metallic material such as stainless steel or aluminum. The tank 2 comprises a bottom 2A, which is for example a multilayer heat conducting base. The tank 2 also comprises an annular side wall 2B which rises between said bottom 2A and a free upper edge 2C, which is in this case circular in shape, and which delimits an access opening to the interior of the tank 2. The apparatus 1 also preferably comprises at least one handle of 2D tank integral with said vessel 2, for example to protrude outwardly thereof. In the embodiment illustrated in the figures, said 2D handle is mounted on the outer face of the side wall 2B of the tank 2, so as to extend radially outwardly of the vessel 2 and thus form a catch intended to to be caught manually by the user to manipulate the tank 2 (for example to lift and move it). In the embodiment illustrated in the figures, the cooking apparatus 1 comprises two identical handles 2D, 2E fixed on the side wall 2B of the tank 2 in a diametrically opposite manner with respect to the central axis X-X ', said handles 2D, 2E being in this case arranged near the upper free edge 2C of the tank 2. It is however perfectly conceivable that the tank 2 is provided with only one tank handle, or more than two handfuls of tank (For example three or four), without departing from the scope of the invention. The tank 2 and each handle 2D, 2E tank attached to it thus forms a subset of the tank, illustrated as such in FIG. 8. Each handle 2D, 2E is for example made of plastic material, preferably thermosetting (case of the variant of Figures 1 to 9) or metal (variant of Figures 10 and 11). The apparatus 1 according to the invention also comprises a lid 3 intended to be associated with the tank 2 and locked relative to the latter to form a cooking chamber capable of mounting in pressure, that is to say an enclosure of sufficiently hermetic cooking to allow the increase in pressure of the apparatus 1. In order to obtain this seal, the apparatus 1 advantageously includes a seal (not shown), preferably formed by a flexible annular seal, made of elastomer for example, intended to be interposed between the lid 3 and the tank 2, to thereby prevent any uncontrolled leakage of steam and / or air between the inside of the enclosure and the outside. The lid 3 is conventionally made from a metallic material such as stainless steel or aluminum. In the embodiment illustrated in the figures, the cover 3 includes a discoid cover element 3A of shape and dimensions conjugated to those of the access opening delimited by the free upper edge 2C of the annular side wall 2B of the vessel 2 In this embodiment, the cover 3 also advantageously includes an annular belt 3B, formed by a falling edge which extends downwardly from the periphery of the discoid cover member 3A. The lid 3 is preferably intended to cap substantially adjust the top of the tank 2, so that the annular belt 3B surrounds from the outside the top of the annular side wall 2B and the upper free edge 2C, while the 3A discoid cover member rests on the free edge 2C, by means of the seal interposed between the tank 2 and the lid 3. It is however perfectly conceivable that the annular belt 3B is alternately intended to be inserted in the tank 2, so as to be surrounded by and contained in the tank 2, without departing from the scope of the invention. The apparatus 1 for cooking food under pressure according to the invention advantageously comprises a pressure regulating means 4, such as for example a valve, preferably mounted on the cover 3, so as to be carried directly by said lid 3 and arranged to maintain the pressure prevailing in the cooking chamber at a predetermined substantially constant value, called operating pressure, which exceeds the atmospheric pressure by a value which is for example between substantially 10 and 120 kPa, and is preferably of the order of 100 kPa, the apparatus 1 for cooking food under pressure may comprise other operating members (eg an opening security means 5, etc.).
    According to the invention, the cooking apparatus 1 comprises a first positioning element 6 integral with the cover 3, that is to say attached to the latter, preferably permanently, the mechanical connection between the first element of positioning 6 and the cover 3 may be a connection type "embedding", in which case the first positioning element 6 is substantially immobilized relative to the cover 3 and can not move relative to the latter. This mechanical connection can instead, as in the example illustrated in the figures, allow a relative displacement of the first positioning element 6 and the cover 3, for example a rotational displacement of the cover 3 relative to the first positioning element 6. As illustrated in the figures, the first positioning element 6 is formed of at least a first portion 7 disposed on the cover 3, for example so as to cover at least part of the outer face of the cover 3. The first positioning element 6 is also formed of a second portion 8 which extends outwardly from said first portion 7, and preferably in the continuity thereof, so as to protrude radially from said cover 3. In other words, the first portion 8 positioning element 6 extends substantially beyond the periphery of the cover 3 in the respective radial direction YY '(see FIG. 3), so that ledi t first positioning element 6 protrudes laterally from the lid 3, with its second portion 8 which forms a radial protrusion at the periphery of the lid 3 (cf. Figure 3). Advantageously, the first portion 7, which is mounted above the lid 3, for example on and against the outer face of the discoid lid member 3A, is directly extended by the second portion 8, which advantageously comprises a side wall 8A which rises vertically between a free bottom edge 80A and an upper edge 80B connected to said first portion 7. Said lower edge 80A is oriented downward during normal operation of the apparatus 1, as shown in the figures. The side wall 8A advantageously extends locally facing the annular belt 3B, parallel to the latter and at a height similar to that of said directory belt 3B.
    Preferably, said second portion 8 is made of material with said first portion 7, so that said first and second portions 7, 8 form a one-piece integral piece. In the example illustrated in the figures, the one-piece piece in question is in the form of a cross, with an elongate main element (corresponding to the first portion) extended towards each of its ends by a falling edge, one of said falling edges forming in this case said side wall 8A of the second portion 8. It is however entirely possible, without departing from the scope of the invention, the second portion 8 is distinct from the first portion 7 and is simply fixed by any means appropriate to the latter, without departing from the scope of the invention.
    In the example illustrated in the figures, the first positioning element 6 is thus formed of a first portion 7 disposed on the cover 3, a second portion 8 extending outwardly from a first end of the first portion 7 so as to protrude radially from the lid 3, and a third portion 9 which extends outwardly from a second end of said first portion 7 so as to protrude radially from the lid 3 , diametrically opposite the second portion 8, said second portions 8 and third portion 9 being substantially identical and symmetrical. However, it is perfectly conceivable for the first positioning element 6 to overflow only one side of the cover, in which case the second portion 8 is only to extend outwardly from the first portion 7 so as to protrude radially. of said cover 3. Advantageously, the second portion 8 comprises a side wall 8A which rises vertically between a free lower edge 80A and an upper edge 80B connected to said first portion 7, said side wall 8A being for example arranged so as to extend locally to the right and the height of the belt 3B of the lid 3, as shown in the figures. In this preferred embodiment, the free bottom edge 80A is oriented downwards during normal operation of the apparatus 1.
    As illustrated, the apparatus 1 also comprises a second positioning element 10 integral with the vessel 2, said second positioning element 10 being advantageously carried, or formed at least in part, by the vessel handle 2D, for example, as illustrated in the figures, the handle 2D is shaped to provide a housing which is part of the second positioning element 10 and which is intended to accommodate the first positioning element 6.
    As illustrated in FIG. 1, said tank 2 and lid 3 are designed to be joined together in at least a first predetermined relative arrangement in which said first and second positioning elements 6, 10 are matched to allow the lid 3 to be locked. to the tank 2. In other words, the first and second positioning elements 6, 10 cooperate, when the tank 2 and lid 3 are joined according to said first predetermined relative arrangement, so that the relative position of the lid 3 and the tank 2 corresponds to the locking of the lid 3 relative to the tank 2 or is compatible with the locking of the lid 3 relative to the tank 2.
    In the embodiments illustrated in the figures, the apparatus 1 comprises a bayonet locking system capable, when said tank 2 and lid 3 are united according to said first predetermined relative arrangement, to lock the lid 3 to the tank 2 by pivoting the cover 3 relative to the first positioning element 6 along the central vertical axis! X-X ', said first and second positioning elements 6, 10 being designed to interact mechanically, when said tank 2 and lid 3 are joined in accordance with said first predetermined relative arrangement, to lock the relative angular positioning of the first positioning element 6 and of the tank 2 in a horizontal plane perpendicular to said central vertical axis X-X1. The first predetermined relative arrangement thus constitutes, in this particular embodiment, a locking waiting configuration, in which the cover 3 is attached to the tank 2 and rests freely on the latter (FIG. 1). In the preferred embodiments illustrated in the figures, the first and second positioning elements 6, 10 advantageously and respectively have a first complementary conformation and a second conformation designed to interact mechanically according to a male / female cooperation when said tanks 2 and lids 3 are assembled on said first predetermined relative arrangement, for example to lock in rotation in a horizontal plane the first positioning element 6 relative to the second positioning element 10. The bayonet locking system used in this particular embodiment allows for passing the apparatus 1 from the aforementioned lock-holding configuration to a latching configuration in which the tank 2 and the lid 3 interact to prevent their free separation. In this specific embodiment, the transition from the lock waiting configuration to the locking configuration is effected by rotation of the lid 3 relative to the tank 2 in a predetermined angular stroke around the central axis X-X '. The bayonet locking system of the cooking apparatus 1 illustrated in the figures advantageously comprises for this purpose first and second sets of radial locking protrusions which are secured respectively to the lid 3 and the bowl 2 and which are designed so as to to ensure the locking and unlocking of the lid 3 relative to the tank 2, to engage, respectively disengage, mutually by rotation of the lid 3 relative to the tank 2 about the central vertical axis XX 'according to said predetermined angular stroke . As is well known as such, the protuberances of each of said first and second series referred to above are intended to cooperate in pairs, so that each protrusion of one of said series is brought, by rotation of the cover 3 relative to the tank 2 from the first predetermined relative arrangement, to pass under a corresponding outgrowth of the other series to lock the lid 3 relative to the tank 2. The invention is of course not limited to a specific configuration of the excrescences in question, the essential being that said growths, respectively forming lid and tank ramps, cooperate by relative rotation of the tank 2 and the lid 3 in order to achieve a mechanical connection between the tank 2 and the lid 3 capable of withstanding the internal pressure prevailing in the cooking chamber.
    Preferably, the rotation of the cover 3 relative to the first positioning element 6 is controlled by a manual control member 11 formed for example by a pivoting handle (or by any other appropriate means, for example a pivoting lever or a sliding slider. connected to the first positioning element 6 and to the cover 3 by a kinematic connection making it possible to transform the movement of the loop 11 relative to the first positioning element 6 in rotation of the cover 3 relative to the first positioning element 6. Thus, in this preferred embodiment, the first predetermined relative arrangement corresponds to a configuration in which the lid 3 is not locked relative to the tank 2 but from which it is possible to lock the lid 3 to the tank 2 (in the by rotating according to a predetermined angular stroke of the lid 3 relative to the tank 2, rotation controlled by for example by a manual control member 11). In this case, the matching of the first and second positioning elements 6, 10 is used to ensure the proper positioning of the lid 3 relative to the tank 2, and to prevent the rotation, in a horizontal plane, of the first positioning element 6 relatively to the tank 2 so as to be able to control the rotation of the cover 3 relative to the first positioning element 6, in order to bring the cover 3 in a locking position relative to the tank 2.
    However, it is entirely possible, without departing from the scope of the invention, for the first predetermined relative arrangement to correspond to a relative positioning of the tank 2 and the lid 3 in which the lid 3 is locked in place. the tank 2. Such a case corresponds for example to an embodiment where the pressure food cooking appliance comprises a bayonet locking system with tank and lid ramps, the first positioning element 6 forming a lid handle while the second positioning member 10 forms a bowl handle. In this alternative embodiment, the lid 3 is first placed on the tank 2 in a waiting position in which said bowl and lid handles are angularly offset, then the cover is turned manually so as to align said bowl and lid handles, in superposition, so that the lid 3 and the tank 2 are then found in a relative position corresponding to the locking of the lid on the tank by interengagement of the tank and lid ramps. In this case, the first predetermined relative arrangement corresponds to the configuration in which the bowl and lid handles are aligned.
    Therefore, in the sense of the invention, the first predetermined relative arrangement corresponds to a matching of the first and second positioning elements 6, 10 from which it is possible to lock the lid 3 relative to the tank 2, or wherein the lid 3 is locked relative to the bowl 2. The first predetermined relative arrangement is thus an arrangement in which said first and second positioning members 6, 10 are matched for the purpose of locking the lid 3 to the bowl 2 .
    Of course, the invention is not limited to a cooking appliance 1 provided with a bayonet locking system, and it is for example quite possible that the locking system is a stirrup locking system, or still a segment locking system employing male elements slidably mounted relative to the lid 3 so as to cooperate with conjugated orifices formed through the side wall 2B of the tank 2.
    As illustrated in the figures, the first positioning element 6 also comprises a reinforcement piece 12 which is integral with said second portion 8 and is shaped to at least thermally protect said second portion 8. Specifically, the reinforcing piece 12 is intended for to be attached to said second portion 8 so as to form a protective screen locally protecting said second portion 8. This protection is at least a thermal protection, aimed in particular to protect the second portion 8 against any degradation including melting or ignition. The invention is thus based on the idea of not using a solid monobloc piece having homogeneous properties, but the local association of two elements, namely the second portion 8 and the reinforcing piece 12, which are advantageously of natures different, to achieve an optimal compromise.
    Preferably, as illustrated in FIG. 3, the reinforcing piece 12 is shaped and arranged relative to the second portion 8 so that the orthogonal projection of the lid subassembly (formed by the lid 3 and the first positioning element 6 attached to it) on a horizontal plane disposed under the cover 3 (ie facing the inner face of the cover 3) parallel to the axis YY 'is formed only by the cover 3 (which is advantageously made of metal) and the reinforcement piece 12, excluding the first portion 7 of the second portion 8 which are completely hidden, as illustrated in FIG. 3, by the cover 3 and the reinforcement piece 12 and therefore do not project on the plane in question.
    Advantageously, the reinforcing piece 12 is also shaped to mechanically strengthen said second portion 8. Thus, the reinforcing piece 12 provides overall protection for the second portion 8, which is particularly exposed, both thermally and mechanically, because it protrudes radially from the lid 3.
    Advantageously, the second portion 8 is made of a thermoplastic material, as is preferably the first portion 7. In the preferred case where the second portion 8 is made of material with the first portion 7, said one-piece piece is advantageously made in this case, preferably integrally, of a thermoplastic material. The use of a thermoplastic material proves particularly advantageous, especially in the case of an apparent part such as the first positioning element 6, since it makes it possible to obtain a piece of reduced thickness and a very elaborate conformation. , with the possibility of coloring the material. Thermoplastic materials also prove to be particularly resistant to repeated washing in the dishwasher.
    Advantageously, the reinforcing member 12 is in turn made of a thermosetting material, so as to locally form a heat shield, as well as preferably a mechanical reinforcement.
    Thus, in this particularly advantageous embodiment, the first positioning element 6 is formed by the combination of a main monobloc piece of thermoplastic material, which forms the first and second portions 7, 8, and a local protector. thermosetting material which locally ensures the thermal and mechanical strengthening of the exposed portion of the first positioning element 6 (that is to say the second portion 8 which projects radially from the cover 3).
    Various thermosetting materials can of course be used, such as for example a phenolic resin or an elastomer, the essential being that the material in question has thermal properties (resistance to fusion and inflammation in particular) adapted. The use of a thermosetting material to make the reinforcing pieces 12 is of course absolutely not mandatory, and the reinforcing piece 12 can thus be made of a thermosetting material and / or a mineral material and / or a metallic material. without going beyond the scope of the invention. The invention thus follows from the surprising finding that it is sufficient to provide a local thermal protection shield of the second portion 8 to obtain a perfectly functional and safe device, without it being necessary to make the whole of the single piece forming the first positioning element 6 in a material having high properties in thermal and mechanical resistance.
    Advantageously, the reinforcing piece 12 covers said free lower edge 80A of the second portion 8, which is oriented downwardly when the lid 3 and the bowl 2 are united according to said first arrangement. The reinforcing piece 12 thus substantially completely covers the free lower edge 80A, over substantially the entire surface thereof, which effectively protects the second portion 8 both thermally and mechanically.
    Preferably, the reinforcing piece 12 covers only the lower edge 8A, and leaves free in particular the side wall 8A. The invention has indeed demonstrated that a perfectly thermally sufficient level of protection could be obtained by simply coming and only covering the lower edge 8A by a reinforcing piece 12 which extends to the right of the latter. flush with the outer surface of the side wall 8A, said outer surface of the side wall 8A being able to be left bare. Such an arrangement makes it possible in a surprising manner to obtain an optimum level of safety with regard to resistance to flame and temperature. It is thus possible to implement, as a first positioning element 6, a piece of thermoplastic material of which a significant portion (formed by the side wall 8A) protrudes radially from the cover while being left bare, because the simple fact of covering only the wafer (free bottom edge 8A) of the bare side wall 7A in question by means of the reinforcing piece 12 (which is advantageously made of thermosetting material) is sufficient to obtain an acceptable level of safety.
    Preferably, the reinforcing piece 12 comprises on the one hand a sole 12A which dresses the lower edge 80A and on the other hand an insert 12B which rises from said sole 12A, preferably substantially parallel to said side wall 8A , for example to be interposed between the annular belt 3B and said side wall 8A. The reinforcing piece 12 thus forms a shoe with a main body formed by the insert 12B and a base formed by the sole 12A which fits the free lower edge 80A of the second portion. The insert 12B advantageously has a solid bulk character, which makes it possible to stiffen and reinforce the second portion 8, and more specifically the lateral wall 8A, both mechanically and thermally, the insert 12B advantageously forming a thermal buffer which contributes to protect the second portion 8 in combination with the sole 12A which provides a heat shield effect. Preferably, as illustrated in the figures, the insert 12B is made of material with the sole 12A, so that said insoles 12A and insert 12B form a one-piece integral piece, obtained for example by molding plastic material, and more preferably by molding thermosetting material.
    Advantageously, the first positioning element 6 also comprises fastening means for fixing said insert 12B to said second portion 8 and thus securing the reinforcing piece 12 to the second portion 8. Thus, the sole 12A is advantageously maintained on along, and against, the free lower edge 80A through the fastening established between the insert 12B and the second portion 8. For example, the fixing means in question comprise at least one screw 120 with a head 120A ( and for example two screws 120,121 with respective heads 120A, 121A), and a corresponding orifice disposed at the bottom of a well 122A, 123A formed from said sole 12A, said screw 120, 121 being intended to be inserted into the well 122A, 123A so that its head 120A, 121A is embedded in the well 122A, 123A in question, which makes it possible to avoid any contact between the hand of a user and the head of the screw in question, and therefore any risk of burning. Each screw 120,121 is in this case threaded into the well 122A, 123A until its head 120A, 121A bears against the edge of the orifice formed at the bottom of the well, the threaded rods of each screw passing through the hole. corresponding orifice for cooperating with threaded tubes 130, 131 secured to the second portion 8. The threaded tubes 130,131 are intended to be inserted in the conjugate housings 122, 123 formed in the reinforcing piece 12, more precisely in the insert 12B , so as to be in respective communication with the wells 122A, 123A and their corresponding orifices. The invention is however not limited to such a method of fastening screws, and it is for example quite possible that the reinforcing piece 12 is assembled to the second portion 8 by clipping, gluing, ultrasonic welding, or even overmolding.
    Preferably, said first conformation previously mentioned, intended to mechanically interact with a male / female co-operation with the second complementary conformation of the second positioning element 10, is formed, at least in part, by said reinforcement piece 12. Thanks to this characteristic , the male / female cooperation forces acting on the first conformation can be taken up, at least in part, by the reinforcement piece 12, which is advantageously made of thermosetting material and therefore has a greater robustness than that of the thin plate forming the side wall 8A which is advantageously made of thermoplastic material. In the example illustrated in Figures 1 to 9, the first conformation is formed by a notch 60, while the second conformation is formed by a pin 100 which advantageously of material with the handle 2D vessel. The reinforcing piece 12 is shaped to make the notch 60, that is to say that it has a local concavity which forms a housing directly delimited by the reinforcing member 12. Thus, in this mode of advantageous embodiment according to which the reinforcement piece 12 is made of thermosetting material, just like the 2D bowl handle and its pin 100, the male / female coupling, which advantageously makes it possible to angularly lock the first positioning element 6 relative to the tank 2, is carried out between two conjugate parts (the pin 100 and the housing formed by the notch 60) advantageously both made of thermosetting material, which allows to obtain a reliability and increased strength on the mechanical level.
    In the embodiment of FIGS. 10 and 11, the 2D vessel handle is metallic and is for example in the form of a U-shaped handle, attached by its free ends to the side wall 2B of the vessel 2, the core of the U being preferably widened to facilitate the grip of the user. The reinforcement piece 12 advantageously forms an adapter piece intended to cooperate by shape correspondence with the 2D bowl handle, as illustrated in FIG. 11. For example, the reinforcing piece 12 is in the form of a block which forms an outgrowth at the base of the second portion 8, and whose profile is for example of shape conjugate to that of the profile of the handle 2D tank, so as to allow a form of cooperation between said block and the handle of 2D tank. it is thus possible, by simply replacing a single piece (the reinforcing piece 12), to adapt the lid subassembly of the variant of FIGS. 1 to 9 to a tank provided with a different handle (in part 1). a metal handle with a U-shaped profile). In this case the reinforcing piece 12 therefore plays the role of an adaptation piece that can be considered to maintain the operating principle in a different environment (different pot handles). The reinforcing piece 12 can therefore act as a part of personalization, differentiation.
    权利要求:
    Claims (16)
    [1" id="c-fr-0001]
    1 - Device for cooking (1) food under pressure comprising a tank (2), a lid (3), and a first positioning element (6) integral with the lid (3) and formed of at least one first portion (7) disposed on the cover (3) and a second portion (8) extending outwardly from said first portion (7) so as to overflow radially said cover (3), said apparatus (1) also comprising a second positioning element (10) integral with the tank (2), said tank (2) and cover (3) being designed to be joined in at least a first predetermined relative arrangement in which said first and second positioning elements (6, 10) are brought together to lock the lid (3) to the bowl (2), characterized in that said first positioning element (6) also comprises a reinforcing piece (12). ) which is secured to said second po tion (8) and is shaped to at least thermally protect said second portion (8).
    [2" id="c-fr-0002]
    2 - Apparatus (1) according to claim 1 characterized in that said reinforcing member (12) is also shaped to mechanically strengthen said second portion (8).
    [3" id="c-fr-0003]
    3- Apparatus (1) according to claim 1 or 2 characterized in that said second portion (8) is made of a thermoplastic material.
    [4" id="c-fr-0004]
    4 - Apparatus (1) according to any one of claims 1 to 3 characterized in that said second portion (8) is integral with said first portion (7), so that said first and second portions form a one-piece piece d one piece.
    [5" id="c-fr-0005]
    5 - Apparatus according to claim 4 characterized in that said single piece is made of a thermoplastic material.
    [6" id="c-fr-0006]
    6. Apparatus (1) according to any one of claims 1 to 5 characterized in that said reinforcing member (12) is made of a thermosetting material, such as for example a phenolic resin or an elastomer, and / or a material mineral, and / or a metallic material.
    [7" id="c-fr-0007]
    7 - Apparatus (1) according to any one of claims 1 to 6 characterized in that said second portion (8) comprises a side wall (8A) which rises vertically between a free bottom edge (80A) and an upper edge (80B) connected to said first portion (7), said free bottom edge (80A) being downwardly oriented when the lid (3) and the bowl (2) are joined in said first arrangement, said reinforcing piece (12) covering said lower edge (80B).
    [8" id="c-fr-0008]
    8- Apparatus according to claim 7 characterized in that said reinforcing member (12) covers only said lower edge (80A).
    [9" id="c-fr-0009]
    9 - Apparatus (1) according to claim 7 or 8 characterized in that said reinforcing member (12) comprises firstly a sole (12A) which dresses said lower edge (80A) and secondly an insert (12B ) which rises from said sole (12A), substantially parallel to said side wall (8A), said first positioning element (6) also comprising fixing means for fixing said insert (12B) to said second portion ( 8) and thus ensure the joining of the reinforcing piece (12) to the second portion (8).
    [10" id="c-fr-0010]
    10 -Appareil (1) according to claim 9 characterized in that said fixing means comprise at least one screw (120) with a head (120A), and an orifice disposed at the bottom of a well (122A, 123A) formed from said sole (12A), said screw being intended to be inserted into the well (122A, 123A) so that its head (120A, 121A) is embedded in the well (122A, 123A).
    [11" id="c-fr-0011]
    11-Apparatus (1) according to any one of claims 1 to 10 characterized in that said first and second positioning elements (6, 10) respectively have a first complementary conformation and second conformation intended to interact mechanically in a male cooperation / female when said tank (2) and lid (3) are joined according to said first predetermined relative arrangement,
    [12" id="c-fr-0012]
    12-Apparatus (1) according to claim 11 characterized in that said first conformation is formed, at least in part, by said reinforcing member (12).
    [13" id="c-fr-0013]
    13-Apparatus (1) according to any one of the preceding claims characterized in that it comprises at least one tank handle (2D) integral with said vessel (2), said second positioning element (10) being carried or formed at least in part by said handle (2D).
    [14" id="c-fr-0014]
    14 - Apparatus (1) according to claim 13 characterized in that said bowl handle is shaped to provide a housing for receiving said first positioning member (6).
    [15" id="c-fr-0015]
    15 - Apparatus (1) according to one of claims 13 and 14 characterized in that the reinforcing piece (12) forms an adapter piece intended to cooperate by correspondence of shapes with the handle (2D), which is metallic.
    [16" id="c-fr-0016]
    16 - Apparatus (1) according to one of claims 1 to 15 characterized in that it comprises a bayonet locking system capable, when said vessel (2) and lid (3) are joined according to said first predetermined relative arrangement, to lock the lid (3) to the bowl (2) by pivoting the lid (3) relative to the first positioning element (6) along a central vertical axis (X-X '), said first and second positioning elements (6 , 10) being designed to mechanically interact, when said tank (2) and lid (3) are joined in accordance with said first predetermined relative arrangement, to lock the relative angular positioning of the first positioning member (6) and the bowl (2) in a horizontal plane perpendicular to said central vertical axis (X-X ').
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    同族专利:
    公开号 | 公开日
    CN106901591B|2020-02-18|
    FR3046043B1|2018-01-26|
    EP3184007A1|2017-06-28|
    CN106901591A|2017-06-30|
    EP3184007B1|2021-01-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO1994013183A1|1992-12-04|1994-06-23|Amc International Alfa Metalcraft Corporation Ag|Cooking vessel|
    WO2013037976A1|2011-09-15|2013-03-21|Seb S.A.|Safety device for the lid of a pressure cooker|
    US20140339223A1|2013-05-20|2014-11-20|Dart Industries Inc.|Microwave pressure cooker|
    DE3123066C2|1981-06-11|1983-05-19|Alfa Institut für hauswirtschaftliche Produkt- und Verfahrens-Entwicklung GmbH, 6228 Eltville|Lid for pressure cookers|
    CN102349791B|2011-10-12|2014-04-02|中山市雅乐思电器实业有限公司|Side-flipping pressure cooker|
    CN203885283U|2014-04-02|2014-10-22|天喜控股集团有限公司|Pressure cooker|CN110250935A|2017-08-09|2019-09-20|沙克忍者运营有限责任公司|Cooking system|
    FR3082717B1|2018-06-26|2020-07-03|Seb S.A.|PRESSURE COOKER WITH LID STOPPER|
    US20210121012A1|2020-03-30|2021-04-29|Sharkninja Operating Llc|Cooking device and components thereof|
    法律状态:
    2016-12-29| PLFP| Fee payment|Year of fee payment: 2 |
    2017-06-30| PLSC| Publication of the preliminary search report|Effective date: 20170630 |
    2018-01-02| PLFP| Fee payment|Year of fee payment: 3 |
    2019-12-30| PLFP| Fee payment|Year of fee payment: 5 |
    2020-12-28| PLFP| Fee payment|Year of fee payment: 6 |
    2021-12-30| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1563210|2015-12-23|
    FR1563210A|FR3046043B1|2015-12-23|2015-12-23|REINFORCING COOKER|FR1563210A| FR3046043B1|2015-12-23|2015-12-23|REINFORCING COOKER|
    EP16206007.3A| EP3184007B1|2015-12-23|2016-12-21|Reinforced pressure cooker|
    CN201611203686.XA| CN106901591B|2015-12-23|2016-12-23|Pressure cooker with reinforcement|
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