Threaded coupling

Details Threaded coupling Threaded coupling

1975-09-10

1978-11-21

Arola, Dave W.

Pipe joints or couplings

Particular interface

Interlocked or overlapped

85 46, 85 83, 285354, 285392, 285423, F16L 2500

Patent

active

041263383

ABSTRACT:
A threaded coupling in which the connecting threads are carried on a replaceable sleeve which snap locks onto the end of the primary member such that the thread unit may easily be assembled on or removed from the primary member and replaced when worn or damaged.

REFERENCES:
patent: 1574052 (1926-02-01), Mueller
patent: 1832713 (1931-11-01), Leinow
patent: 2165621 (1939-07-01), Donahue et al.
patent: 2315792 (1943-04-01), Hoss
patent: 2403810 (1946-07-01), Lord
patent: 2464744 (1949-03-01), Fennema
patent: 2477969 (1949-08-01), Donner
patent: 2876154 (1959-03-01), Usos
patent: 2954246 (1960-09-01), Totoh et al.
patent: 3646981 (1972-03-01), Barnes
patent: 3695643 (1972-10-01), Schmunk

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