[특허]Lid for a pressure cooking pot and pressure cooking pot having a lid

SILAG HANDEL AG

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특허 상세정보

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Lid for a pressure cooking pot and pressure cooking pot having a lid

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47J-027/08 A47J-027/09 A47J-045/07
출원번호	US-0808222 (2010-09-27)
등록번호	US-10051986 (2018-08-21)
국제출원번호	PCT/EP2010/005888 (2010-09-27)
§371/§102 date	20130103 (20130103)
국제공개번호	WO2012/003853 (2012-01-12)
발명자 / 주소	Schultz, Horst Lapawa, Siegfried
출원인 / 주소	SILAG HANDEL AG
대리인 / 주소	Henry M. Feiereisen LLC
인용정보	피인용 횟수 : 0 인용 특허 : 4

초록
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A lid for a pressure cooking pot includes a lower lid module having an edged lid fitted on a pouring edge of the pressure cooking pot, and a seal sealing the lower lid module when fitted on the pouring edge. An upper lid module includes a closure unit movable between a first position in which the upper and lower lid modules are locked to one another and a second position in which the upper module is separable from the lower module. Fixing claws are coupled to the closure unit and engages under the pouring edge of the pressure cooking pot, when the closur...

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1. A lid for a pressure cooking pot, comprising: a lower lid module including an edged lid fitted on a pouring edge of the pressure cooking pot, and a seal sealing the lower lid module when fitted on the pouring edge; andan upper lid module including a closure unit movable between a first position in which the upper and lower lid modules are locked to one another and a second position in which the upper module is separable from the lower module, and fixing claws coupled to the closure unit and engaging under the pouring edge of the pressure cooking pot, when the closure unit is in the first position, wherein the edged lid has a surface which forms a mechanical interface, when the upper lid module is removed, for receiving another functional part to provide a conventional cooking pot lid for a depressurized cooking pot or a low-pressure cooking pot. 2. The lid of claim 1, wherein the functional part is a standard middle button or a special vapor button. 3. A pressure cooking pot, comprising a lid comprising a lower lid module including an edged lid fitted on a pouring edge of the pressure cooking pot, and a seal sealing the lower lid module when fitted on the pouring edge, and an upper lid module including a closure unit movable between a first position in which the upper and lower lid modules are locked to one another and a second position in which the upper module is separable from the lower module, and fixing claws coupled to the closure unit and engaging under the pouring edge of the pressure cooking pot, when the closure unit is in the first position, wherein the closure unit includes a fixed pin and a slider which is resiliently received by the pin for movement in a horizontal direction, said slider having a first recess for alignment with a housing of the valve to allow a removal of the upper lid module, when the closure unit is in the second position, and a second recess adjacent to the first recess and receivable in a groove of the valve housing when the closure unit is in the first position. 4. The pressure cooking pot of claim 3, wherein the lower lid module includes a first valve for controlling a working pressure in the pressure cooking pot, said closure unit being detachably connected to a cylindrical housing of the first valve. 5. The pressure cooking pot of claim 4, wherein the first valve is positioned in midsection of the edged lid. 6. The pressure cooking pot of claim 4, wherein the housing of the first valve is formed as a hollow cylinder. 7. The pressure cooking pot of claim 3, wherein the slider is constructed to extend outwardly from the closure unit to enable actuation thereof. 8. The pressure cooking pot of claim 7, further comprising a cooking pin received in the closure unit for indicating a pressurized state of the pressure cooking pot, said closure unit having a bore for engagement by the cooking pin to prevent a movement between the closure unit and the middle plate, when the cooking pot is pressurized. 9. The pressure cooking pot of claim 3, wherein the upper lid module has an axially fixed middle plate which is operably connected to the closure unit and closes the upper lid module towards the edged lid of the lower lid module, said claws being movably connected to the middle plate by connecting webs, said closure unit being rotatably mounted centrally on an edged-lid-distal side of the middle plate and having vertical pins engaging rotatably in the connecting webs and guided in circular segment-shaped grooves in the middle plate to allow a radial movement of the claws when the closure unit is moved axially between the first and second positions. 10. The pressure cooking pot of claim 9, wherein the edged lid has a surface which forms a mechanical interface, when the upper lid module is removed, for receiving another functional part to provide a conventional cooking pot lid for a depressurized cooking pot or a low-pressure cooking pot. 11. The pressure cooking pot of claim 10, wherein the functional part is a standard middle button or a special vapor button. 12. The pressure cooking pot of claim 3, wherein the closure unit includes a cavity in the shape of a button and being formed as a grip for receiving the slider and the fixed pin, and further comprising a cooking pin received in the button-like cavity for indicating a pressurized state of the pressure cooking pot. 13. The pressure cooking pot of claim 4, further comprising a second safety valve attached on the edged lid next to the first valve for controlling overpressure via a duct-like discharge opening. 14. The pressure cooking pot of claim 5, wherein the lid includes a second safety valve attached on the edged lid next to the first valve for controlling overpressure via a duct-like discharge opening wherein the middle plate is fixed in position by the housing of the second valve and has a first recess for receiving the housing of the first valve and a second recess for receiving a housing of the second valve, with steam being able to exit via a discharge opening of the housing of the first valve and a discharge opening of the housing of the second valve and via a duct on an edged-lid-distal side of the middle plate to the atmosphere without contacting the closure unit of the upper lid module. 15. The pressure, cooking pot of claim 14, wherein the duct is formed by a doubly formed boundary to define a gap for receiving a seal. 16. A lid for a pressure cooking pot, comprising: a lower lid module including an edged lid fitted on a pouring edge of the pressure cooking pot, and a seal sealing the lower lid module when fitted on the pouring edge; andan upper lid module including a closure unit movable between a first position in which the upper and lower lid modules are locked to one another and a second position in which the upper module is separable from the lower module, and fixing claws coupled to the closure unit and engaging under the pouring edge of the pressure cooking pot, when the closure unit is in the first position, wherein the closure unit includes a fixed pin and a slider which is resiliently received by the pin for movement in a horizontal direction, said slider having a first recess for alignment with a housing of the valve to allow a removal of the upper lid module, when the closure unit is in the second position, and a second recess adiacent to the first recess and receivable in a groove of the valve housing when the closure unit is in the first position. 17. The lid of claim 16, wherein the lower lid module includes a first valve for controlling a working pressure in the pressure cooking pot, said closure unit being detachably connected to a cylindrical housing of the first valve. 18. The lid of claim 17, wherein the first valve is positioned in midsection of the edged lid. 19. The lid of claim 17, wherein the housing of the first valve is formed as a hollow cylinder. 20. The lid of claim 17, further comprising a second safety valve attached on the edged lid next to the first valve for controlling overpressure via a duct-like discharge opening. 21. The lid of claim 16, wherein the slider is constructed to extend outwardly from the closure unit to enable actuation thereof. 22. The lid of claim 16, wherein the upper lid module has an axially fixed middle plate which is operably connected to the closure unit and closes the upper lid module towards the edged lid of the lower lid module, said claws being movably connected to the middle plate by connecting webs, said closure unit being rotatably mounted centrally on an edged-lid-distal side of the middle plate and having vertical pins engaging rotatably in the connecting webs and guided in circular segment-shaped grooves in the middle plate to allow a radial movement of the claws when the closure unit is moved axially between the first and second positions. 23. The lid of claim 22, further comprising a second safety valve attached on the edged lid next to the first valve for controlling overpressure via a duct-like discharge opening wherein the middle plate is fixed in position by the housing of the second valve and has a first recess for receiving the housing of the first valve and a second recess for receiving a housing of the second valve, with steam being able to exit via a discharge opening of the housing of the first valve and a discharge opening of the housing of the second valve and via a duct on an edged-lid-distal side of the middle plate to the atmosphere without contacting the closure unit of the upper lid module. 24. The lid of claim 22, further comprising a cooking pin received in the closure unit for indicating a pressurized state of the pressure cooking pot, said closure unit having a bore for engagement by the cooking pin to prevent a movement between the closure unit and the middle plate, when the cooking pot is pressurized. 25. The lid of claim 16, wherein the closure unit includes a cavity in the shape of a button and being formed as a grip for receiving the slider and the fixed pin, and further comprising a cooking pin received in the button-like cavity for indicating a pressurized state of the pressure cooking pot. 26. The lid of claim 23, wherein the duct is formed by a doubly formed boundary to define a gap for receiving a seal.

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Lid for a pressure cooking pot and pressure cooking pot having a lid

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Lid for a pressure cooking pot and pressure cooking pot having a lid

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