Pipe joints or couplings – With lock or seal
Patent
1989-10-26
1990-05-22
Arola, Dave W.
Pipe joints or couplings
With lock or seal
285 92, 285158, 285330, 285917, F16L 3500
Patent
active
049271873
ABSTRACT:
A serrated collar having an inner flange portion adapted to be trapped between the nut and threaded adapter of a Rosan fitting and an outer flange portion having a hole for accommodating a lock or safety wire that is splined to the outer spline of the lock ring for obviating the necessity of locating the lock wire hole directly into the casing.
REFERENCES:
patent: 2907590 (1959-10-01), Oswald
patent: 4655479 (1987-04-01), Farr
Douglass Gary W.
Sanford David L.
Arola Dave W.
Friedland Norman
United Technologies Corporation
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