An indexing safety gasket (1) designed to be mounted in the lid of a pressure cooker for the purpose of providing sealing at pressure between the lid and the pan of the pressure cooker, the gasket being characterized in that it includes at least one outer notch (25) in its periphery, and means for f
An indexing safety gasket (1) designed to be mounted in the lid of a pressure cooker for the purpose of providing sealing at pressure between the lid and the pan of the pressure cooker, the gasket being characterized in that it includes at least one outer notch (25) in its periphery, and means for fastening the gasket (1) relative to the lid so as to index rotation of the gasket (1) to rotation of the lid.
대표청구항▼
1. An indexing safety gasket adapted to be mounted in the lid of a pressure cooker to seal the lid and the pan of the pressure cooker, comprising a fastening element on said gasket adapted to cooperate with a fastening element on the lid for indexing rotation of the gasket with rotation of the lid,
1. An indexing safety gasket adapted to be mounted in the lid of a pressure cooker to seal the lid and the pan of the pressure cooker, comprising a fastening element on said gasket adapted to cooperate with a fastening element on the lid for indexing rotation of the gasket with rotation of the lid, and a periphery having at least one outer notch to enable the gasket to deform radially at the outer notch in the event of the pressure inside the pressure cooker becoming excessive. 2. A gasket according to claim 1, wherein said at least one outer notch comprises a curved regular cutout extending substantially over the full height of the gasket. 3. A gasket according to claim 1, wherein said at least one outer notch comprises at least two outer notches. 4. A gasket according to claim 1, wherein said fastening element on said gasket comprises a male element and said fastening element on said lid comprises a female element. 5. A gasket according to claim 1, wherein said fastening element on said lid comprises a male element supported by the lid, and said fastening element on said gasket comprises a female element formed in the gasket. 6. A gasket according to claim 5, wherein said male element is formed by a projection crimped to the lid and adapted to penetrate into said female element, said female element comprising an orifice formed in the gasket. 7. A gasket according to claim 6 wherein said projection is secured to a top face of the lid, said orifice being formed in the gasket so that said orifice extends in a direction that is substantially perpendicular to the plane in which the gasket extends. 8. A gasket according to claim 7, wherein said projection is secured to a peripheral drop edge of the lid, said orifice being formed in the gasket in a substantially radial direction. 9. A gasket according to claim 4, wherein said male element comprises an integral portion of the gasket, the female element being an opening formed through the lid. 10. A gasket according to claim 9 wherein said male element comprises a stud integral with the body of the gasket, on a top portion of the body of the gasket, said stud being adapted to penetrate in the opening of the lid. 11. A gasket according to claim 9, wherein said male element comprises by a stud integral with the body of the gasket and extending radially from a leading edge of the gasket, said stud being adapted to penetrate in the opening of the lid. 12. A pressure cooker, comprising a pan, a lid, and the gasket according to claim 1. 13. A pressure cooker according to claim 12, wherein said lid has a flow hole formed through said lid, said gasket progressively uncovering said flow hole to enable air to leak out progressively from said flow hole when said gasket deforms radially. 14. The pressure cooker according to claim 1, wherein said at least one outer notch comprises at least five outer notches.
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이 특허에 인용된 특허 (6)
Thelen Arnold (Idar-Oberstein DEX) Falkenstein Heinz P. (Rtsweiler-Nockenthal DEX), Pressure cooker.
Hollibaugh, Justin D.; Williams, William F.; Linscott, Melissa M.; Tu, Howard J.; Reynoldson, Martin D.; Martin, James, Pressure test door for use with a fuel tank.
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