Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1984-11-14
1987-11-17
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277124, 277188R, 277198, 277166, F16J 1524
Patent
active
047069708
ABSTRACT:
An insert for use with a sealing device having a flexible ring with a circumferentially extending channel which opens in an axial direction at one end of the ring. The channel is bounded by the ring's sidewalls which have external sealing faces engageable with the moving surfaces to be sealed. The insert is comprised of a seal-reinforcing ring having aa flat annular disk and an annular projection extending at least in one axial direction from the disk. The annular projection substantially corresponds in size and configuration to the cross-sectional size and configuration of the channel and is insertable into the channel. The disk defines radially extending seating surfaces disposed at the one end of the ring when the projection is inserted into the channel and limits the depth of the extension of the projection therein. The insert ring is designed with an axial projection extending in one direction away from the seating portion or disk or in opposite directions away from the disk. In either form, the insert ring may be used in combination with a single sealing device or pair of sealing devices.
REFERENCES:
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patent: 4300776 (1981-11-01), Taubenmann
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patent: 4592558 (1986-06-01), Hopkins
Catalog No. AV983, published by American Variseal Corp. (1983), 24 pages.
Polydyne Industries, Inc.
Reilly John E.
Ward Robert S.
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