Pipe joints or couplings – Frangible element
Patent
1980-09-18
1984-02-07
Arola, Dave W.
Pipe joints or couplings
Frangible element
285 4, 285 18, 285 85, 285315, 285317, 285DIG21, 166340, 294266, F16L 3708
Patent
active
044299028
ABSTRACT:
A remotely releasable connector for a pair of pipes including first and second sets of engageable threads on the first and second pipes, first and second aligned recesses on the exterior of the pipes, a latch received in both recesses to prevent relative rotation of the pipes, and a release ring supported around the exterior of the pipes and longitudinally movable therealong to engage the latch to remove it from the locking position.
REFERENCES:
patent: 989257 (1911-04-01), Herndon
patent: 992050 (1911-05-01), Peterson
patent: 3268241 (1966-08-01), Castor et al.
patent: 3628812 (1971-12-01), Larralde
patent: 4185856 (1980-01-01), McCaskill
patent: 4209191 (1980-01-01), Lawson
patent: 4216982 (1980-08-01), Chow
Armco Inc.
Arola Dave W.
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