Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1981-05-19
1983-01-18
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277207A, 277209, 285110, 285231, 285345, F16J 1512, F16J 1532
Patent
active
043688942
ABSTRACT:
Reinforced sealing ring for reception in a pipe joint between an annular groove-carrying socket end and an insert end. The sealing ring consists of a main body of rubber in which there is embedded an upsplit steel ring. The sealing ring is adapted to be elastically deformable to such a degree that it can be snapped into place in the annular groove of the socket end by a simple mounting operation while it can be prevented from being torn or pressed unintentionally outwards from the annular groove after mounting. In order to achieve this the main body has a largest external diameter of between 1.08D+16 mm and 1.04D+8 mm, while the cross-sectional diameter or thickness of the steel ring is between 0.01D+2 mm and 0.005D+1 mm, where D constitutes the diameter of the pipe. The steel ring is disposed embedded in a central and/or radially outer cross-sectional portion of the main body.
REFERENCES:
patent: 3163432 (1964-12-01), De Boer
patent: 3368830 (1968-02-01), French
patent: 3507505 (1970-04-01), Muhlner et al.
patent: 3510139 (1970-05-01), Potter
patent: 3744806 (1973-07-01), Keyser
patent: 3997989 (1976-12-01), Stepe
Rieber & Son
Ward, Jr. Robert S.
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