Patent ID: 6938879
Filing Date: 2005-09-06
Classification: F16J,F16K

Abstract:
1. A seal adapted for use with a valve having a valve closing member rotatably mounted within a housing, said seal comprising: a flexible, resilient loop having a perimeter sealing surface and a perimeter mounting surface positioned substantially opposite to said perimeter sealing surface, said perimeter sealing surface facing in a first radial direction and being engageable with one of said valve closing member and said housing to sealingly close said valve, said perimeter mounting surface facing in a second radial direction opposite said first radial direction and being engageable with the other of said valve closing member and said housing for mounting said loop within said valve; a first surface facing in a first axial direction and extending between said perimeter sealing surface and said perimeter mounting surface; a second surface facing in a second axial direction opposite to said first surface and extending between said perimeter sealing surface and said perimeter mounting surface; and an open channel extending in a substantially radial direction along one of said first and second surfaces from said perimeter mounting surface toward said perimeter sealing surface.