Pipe joints or couplings – With assembly means or feature
Patent
1978-07-24
1980-01-29
Husar, C. J.
Pipe joints or couplings
With assembly means or feature
285 85, 285317, 285330, 285347, 285351, 285376, 285391, 285DIG14, 285DIG21, 285DIG23, 166340, 166367, 403322, 403349, F16L 5500
Patent
active
041858565
ABSTRACT:
First and second pipes supported substantially vertically in a subsea location with a breech block connector connecting the pipes together, the said breech block connector comprising male and female elements, one of which has longitudinally extending circumferentially spaced lugs thereon and the other of which has at least one longitudinally extending stop positioned to engage one of the lugs to limit relative rotation of the members when making up the connection, a longitudinally movable latch member on the other breech block element resiliently biased in a position to engage one of said lugs on the side opposite the stop to prevent relative rotation of the breech block elements in a direction to disconnect them, and a hydraulic cylinder having a piston and piston rod therein connected to the latch member, with biasing means applied to the piston to bias the latch into engagement with the lug and means for applying hydraulic fluid under pressure to both ends of said hydraulic cylinder.
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patent: 3071188 (1963-01-01), Raulins
patent: 3163224 (1964-12-01), Haeber et al.
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patent: 3700267 (1972-10-01), Piegza
patent: 3800869 (1974-04-01), Herd et al.
patent: 3895829 (1975-07-01), Manson, Jr.
"A New Method for Fast and Economical Connection of Large Diameter Pipe", by Andre Drouin to the Society of Petroleum Engineers of AIME, in 1974.
Cohen Moshe I.
Conley Ned L.
Husar C. J.
McEvoy Oilfield Equipment Company
Ostfeld David M.
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