Packing member with reduced friction

摘要: A packing member having an annular body with a circular outer wall and inner wall, first second end walls extending between the includes relatively soft upper portion formed from elastomeric polymeric material Shore hardness of about 65 80 fabric reinforced, harder lower greater than portion. groove, extends axially into said through defines plane perpendicular to axis. The sealing lips adjacent at least lip vertically beyond edge intersected by defined groove. is inclined inwardly form for engagement when in slidable contact separate moveable part. In one embodiment, dovetail joint radially body.