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:
Dec. 22, 1981
Filed:
Dec. 26, 1979
Applicant:
Inventor:
Daniel Tucoulat, La Frette-sur-Seine, FR;
Assignee:
Societe Generale pour les Techniques Nouvelles S.G.N., Montigny-Le-Bretonneux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F16K / ;
U.S. Cl.
CPC ...
1374546 ; 137356 ; 251269 ; 251305 ; 2513 / ;
Abstract
The present invention relates to novel remotely dismountable valves comprising a valve body welded to the pipes and having a truncated seat, an outwardly truncated member fitting on said seat, an obturator whose movements may be remotely controlled due to an extension element and a heavy element made fast with the member via a cross-piece presenting an upper surface in the form of a segment of a sphere on which surface the likewise spherical surface of the lower face of said heavy element abuts.