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:
Jan. 24, 1984
Filed:
Jan. 12, 1982
Claude Abbes, Saint Etienne, FR;
Christian Rouaud, Bourg Saint Andeol, FR;
Robert Piednoir, Bourg Saint Andeol, FR;
Raymond De Villepoix, Donzere, FR;
Commissariat a l'Energie Atomique, Paris, FR;
Abstract
The invention relates to a device for the tight joining of two parts comprising tightening means of the screw-nut type compressing a gasket between the two parts. A compression part and an elastic O-ring constituted by an internal spring with contiguous turns, which is closed on itself and fitted into at least one envelope are placed between the tightening means and one of the parts in order to permit the tightening of the assembly by an auxiliary system, followed by the tensioning of the tightening means by elastic restoration of the ring after fitting tightening means and slackening or releasing the auxiliary system. Application to the joining of two pipes and to the sealing of a container by means of a plug.