The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 1977
Filed:
Jun. 17, 1975
Applicant:
Inventors:
Jacques M Pernet, Cazeres sur Garonne, FR;
Donald F Taylor, Dallas, TX (US);
Assignee:
Subsea Equipment Associates Limited, Hamilton, BM;
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285-3 ; 285 24 ; 285138 ; 285140 ; 285261 ; 285317 ;
Abstract
A device for locking and unlocking two concentric pipes, for example extending between an underwater oil well and a surface apparatus, comprising first and second locking means on one of said pipes and at least two stop means on the other of said pipes operative to limit relative movement of said pipes in the connection direction and to prevent relative movement of said pipes, when locked together, in the disconnection direction, wherein locking and unlocking is effected solely by relative axial movement of the pipes.