RESILIENCE RUBBER WASHER

RESILIENCE RUBBER WASHER

  • CN 2,060,651 U
  • Filed: 12/04/1989
  • Issued: 08/22/1990
  • Est. Priority Date: 12/04/1989
  • Status: Active Grant
First Claim
Patent Images

1. , peripheral-elastic lining ring is for family kitchen usefulness, and the lining ring that the pressure cooker rubber seal is used is characterized in that the V-shaped section made by a sheet metal, has the circular lining ring of opening and joggle.

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