Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1993-11-29
1996-03-05
Nicholson, Eric K.
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
285322, F16L 37088, F16L 3500
Patent
active
054960738
ABSTRACT:
A disengagement tool for a coupling assembly including a receiving tubular member for receiving a first tubular member, the receiving tubular member having an inner portion defining an inner bore dimensioned to receive one end of the first member and an outer portion defining an internal annular cavity intersecting the inner bore and projecting radially therefrom and a split lock ring disposed in the annular cavity and adapted to expand circumferentially therein during insertion of the first tubular member into the receiving tubular member. Forming the tool are parts with actuator end portions for engaging circumferential edge portions of the split ring and a driver portion for engaging an end thereof to facilitate axial rotation thereof on the first tubular member.
REFERENCES:
patent: 2346051 (1944-04-01), Seamark
patent: 3724880 (1973-04-01), Seiler
patent: 3815940 (1974-06-01), Luckenbill
patent: 4586734 (1986-05-01), Grenier
patent: 4902043 (1990-02-01), Fillig et al.
patent: 4927185 (1990-05-01), McNaughton
patent: 5219188 (1993-06-01), Abe et al.
patent: 5328215 (1994-07-01), Grenier
Jarcho Harold G.
Nicholson Eric K.
Rovac Corporation
Toupal John E.
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