Patent ID: 9587744
Date: 2017-03-07
CPC Classifications: F16J

Claim:
1. A sealing material configured to be installed in a dovetail groove and having a closed annular shape, the sealing material having a seal cross-section comprising the seal cross-section having such a V shape that each of the main body and the lip portion extends linearly from a bending position between the main body and the lip portion, said main body having a first front surface which abuts a bottom surface of the dovetail groove, and a first back surface located on a back side with respect to said first front surface and extends parallel to said first front surface, said lip portion having a second front surface which abuts a side surface of the dovetail groove, and a second back surface located on a back side with respect to said second front surface and extends parallel to said second front surface, and a width of the main body in a direction orthogonal to a direction in which the main body extends linearly between said first front surface and said first back surface being not more than a width of the lip portion in a direction orthogonal to a direction in which the lip portion extends linearly between said second front surface and said second back surface.