Pipe joints or couplings – Elbow
Patent
1985-12-30
1987-04-28
Arola, Dave W.
Pipe joints or couplings
Elbow
285345, 285369, 285423, 285111, 285379, F16L 5500
Patent
active
046608648
ABSTRACT:
A sealing adapter hoop (6) designed to be sealingly slip fitted over conduits of differing structure (2,4) including chamferred ends (14,22), a smooth surface (20) to interact with a captured O-ring (30) and a groove (16) to accept a second O-ring (18).
REFERENCES:
patent: 1924020 (1933-08-01), Bihet
patent: 2264480 (1941-12-01), Owen
patent: 2294142 (1942-08-01), Turner
patent: 2871031 (1959-01-01), Altemus et al.
patent: 3598430 (1971-08-01), Maher et al.
patent: 4281856 (1983-08-01), Litman et al.
patent: 4466640 (1984-08-01), Houtte
Arola Dave W.
Ershig's, Inc.
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