Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
277 962, 277DIG6, 252 12, F16J 1520, F16C 3374
In a sliding mechanism including a first sliding surface, a sliding member having a second sliding surface which contacts with the first sliding surface and slides relatively to the first sliding surface, and a holding member holding the sliding member in contact, while moved, at least a contact portion of the seal member with the holding member is made of polytetrafluoroethylene resin containing iron alloy powder.
patent: 2879247 (1959-03-01), Bradford et al.
patent: 3177998 (1965-04-01), Rossez
patent: 3300225 (1967-01-01), Shepler
Riken Piston Ring Kogyo Kabushiki Kaisha
Ward, Jr. Robert S.
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