Collet grip riser fitting

Details Collet grip riser fitting Collet grip riser fitting

1987-01-28

1989-05-23

Callaghan, Thomas F.

Pipe joints or couplings

Movable jaw

Wedge bushing

285343, 285368, 285369, 29157R, F16L 2300

Patent

active

048323799

ABSTRACT:
A coupling assembly for mechanically coupling the plain end of a pipe, comprising a pair of standard forged flanges as basic components between which is disposed a wedge ring. One of the flanges is of the slip-on type and has associated with it a conical collet bore for receiving the wedge ring. When tension bolts assembled through the flanges are tightened the wedge ring is driven into the collet bore and tightly radially against the periphery of the pipe to thereby lock the coupling to the pipe.

REFERENCES:
patent: 455178 (1891-06-01), Dillenburg
patent: 2070855 (1937-02-01), Bronsell
patent: 3387867 (1968-06-01), Rogers
patent: 3414297 (1968-12-01), Pollia
patent: 3498647 (1970-03-01), Schroder
patent: 4000921 (1977-01-01), Daspit
patent: 4127289 (1978-11-01), Daspit
patent: 4138145 (1979-02-01), Lawrence
patent: 4239266 (1980-12-01), Mynhier
patent: 4413845 (1983-11-01), Lawrence
patent: 4457541 (1984-07-01), Kelly et al.

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