Pipe joints or couplings – Movable jaw
Patent
1995-09-15
1997-08-05
Arola, Dave W.
Pipe joints or couplings
Movable jaw
285276, 285382, F16L 2106
Patent
active
056534809
ABSTRACT:
A pipe coupling is constructed such that: a pressing member is supported by an inner collar and presses an inserted pipe body in a state in which the pressing member contacts an inclined surface of an outer collar; the inclined surface of the outer collar causes the pressing member to be moved in a radial direction thereof when the pressing member moves toward a deep portion within the pipe coupling, and restricts the movement of the pressing member in the radial direction when the pressing member moves in a direction of an exit; the inner collar is urged toward the exit by an elastic member; and the outer collar is relatively movably coupled to a housing of the pipe coupling. In the case of any type of rigid pipe body, the pipe coupling can be freely and easily connected to and removed from the same.
REFERENCES:
patent: 1337288 (1920-04-01), Stichler
patent: 1953830 (1934-04-01), Park
patent: 2182797 (1939-03-01), Dillion
patent: 3150886 (1964-09-01), Briegel et al.
patent: 4304426 (1981-12-01), Francis
patent: 4685706 (1987-08-01), Kowal et al.
patent: 5172943 (1992-12-01), Shimada
Kashima Yasushi
Minagawa Kouichi
Mine Kenji
Nishimura Yoshiharu
Tanaka Kunihiro
Arola Dave W.
Bridgestone Flowtech Corporation
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