Apparatus for releasably connecting tubular members in end-to-en

Details Apparatus for releasably connecting tubular members in end-to-en Apparatus for releasably connecting tubular members in end-to-en

1982-11-01

1985-01-01

Scanlan, Jr., Richard J.

Pipe joints or couplings

With assembly means or feature

285315, 285321, 285398, 285419, F16L 5500, F16L 3718, F16L 3900

Patent

active

044913460

ABSTRACT:
There is disclosed apparatus for releasably connecting first and second tubular members in end-to-end relation including a split lock ring having first and second axially spaced locking teeth which are carried by the first member for radial movement together being expanded positions opposite from first and second locking grooves about the first and second members, respectively, and contracted positions in locking engagement with such grooves, and a cam ring which surrounds the lock ring for movement between a first position in which the lock ring is expanded and a second position in which the cam ring is slidable over follower means on the lock ring to wedge said lock ring into expanded position.

REFERENCES:
patent: 3675713 (1972-07-01), Watkins
patent: 4114928 (1978-09-01), Lochte
patent: 4169507 (1979-10-01), Szymczak
Composite Catalog of Oilfield Equipment and Services, 1980-1981, pp. 1469, 7206.

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