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. 23, 1983
Filed:
Dec. 15, 1980
Applicant:
Inventor:
Andre Legris, Saint-Maur, FR;
Assignee:
Legris SA, Rennes, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251306 ; 251315 ; 251D / ;
Abstract
The invention relates to an improvement to valves with lenticular or spherical closing member mounted for pivoting in a valve body with interposition of a circular tight seal. Downstream of the closing member, the valve body is provided with a bore inside which is removably mounted an annular member against which rests the tight seal, and which has a spherical part adopting the corresponding shape of the closing member, the said annular member comprising vent-holes. The invention finds a useful application in the production of valves.