Pipe joints or couplings – Packed – Supplemental packing socket
Patent
1990-08-10
1991-12-31
Reese, Randolph A.
Pipe joints or couplings
Packed
Supplemental packing socket
285113, 285368, 285349, 285910, 277180, F16L 2300
Patent
active
050766171
ABSTRACT:
A metallic seal ring assembly including a U-shaped ring having a bight section and a pair of legs, a flange on the end of each of the legs, each flange including a radial surface and an annular surface, the distance between the radial surfaces being greater than the width of the bight section of the ring and a resilient sealing material filling the space between the legs of the ring.
REFERENCES:
patent: 2522195 (1947-01-01), Richardson
patent: 3083023 (1959-03-01), Creavey
patent: 3285615 (1963-09-01), Trbovich
patent: 3339948 (1965-06-01), Weitzel
patent: 3630483 (1971-12-01), Canalizo
patent: 4398731 (1983-08-01), Gorman et al.
patent: 4618154 (1986-10-01), Frevdenthal
patent: 4630833 (1986-12-01), Boyle et al.
patent: 4817994 (1989-04-01), Bronnert
Aberle Tim
Reese Randolph A.
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