Patent ID: 7311311

Claim:
A seal having a seal rubber, which seal is to be set on one of two openable-closable members to hermetically seal a gap between the two members with the seal rubber pressed against the other member when the two members are closed, the seal comprising: an approximately flat-plate-shaped metal body having first and second oppositely-facing main surfaces, said metal body comprising a first peripheral groove in said first main surface thereof and a seal rubber therein, a second peripheral groove in said second main surface thereof, and multiple communicating holes to communicate said second peripheral groove and said first peripheral groove; wherein said second peripheral groove has a retaining rubber disposed therein, said retaining rubber and said seal rubber being integrated with bridge rubbers disposed in said multiple communicating holes; wherein said first peripheral groove is a dovetail groove; wherein said second peripheral groove has an inner surface inclined at an angle in a range of 1-10° to reduce the groove width from a groove opening side to a groove bottom surface side, the groove width of the groove bottom surface and an inner diameter of each of said communicating holes are substantially the same; and wherein said seal rubber is mounted in said first peripheral groove to fill almost the whole area of said first peripheral groove.