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:
Sep. 04, 1984
Filed:
Mar. 18, 1983
Applicant:
Inventor:
Andre Legris, Saint-Maur, FR;
Assignee:
Legris, Rennes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ; F16J / ;
U.S. Cl.
CPC ...
277236 ; 2771 / ; 2772 / ; 285329 ;
Abstract
A gasket disposed between a coupling for a pipe conveying high pressure fluid and an apparatus presenting a tapped hole in which the threaded part of the coupling is screwed, said gasket comprising a hoop made of hard, resistant material bearing by one of its two faces against the wall of the apparatus and presenting a bore in which are engaged, around the coupling, a seal member made of creepable, malleable material and a ring to be crimped made of ductile material having a wedge-shaped cross section, said ring being crimped inside the hoop when the coupling is screwed. The invention provides tightness of couplings screwed on an apparatus.