Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1978-03-06
1979-02-06
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 12, 277120, 251214, 251328, 251159, 251197, F16K 2704, F16K 302, F16J 1516
Patent
active
041381262
ABSTRACT:
The present invention relates to a new and useful adjustable packing assembly for a flat, slide-valve control member which comprises: a rectangular housing which supports a plurality of packing members in abutting contact with the flat control member; a plurality of stationary wedge members having a flat surface for abutment with the packing members and further having a surface including a plurality of interconnected, tapered steps; and at least one movable wedge member which includes a surface of a shape similar to and abutting the stepped surface of the stationary wedges, whereby movement of the movable wedges forces the stationary wedges to compress the packing members against the control member.
REFERENCES:
patent: 463053 (1891-11-01), Houston
patent: 609752 (1898-08-01), Angell
patent: 2732170 (1956-01-01), Shand
patent: 2946349 (1960-07-01), Hamer
patent: 3097823 (1963-07-01), Kaiser
patent: 3125323 (1964-03-01), Heinen
patent: 3917223 (1975-11-01), Sidler et al.
patent: 4026517 (1977-05-01), Still
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