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:
Jun. 27, 2000
Filed:
May. 27, 1999
Applicant:
Inventor:
Carlo Cavagna, Calcinato, IT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F16K / ; F16K / ;
U.S. Cl.
CPC ...
13731508 ; 137414 ; 137415 ; 137442 ; 137446 ; 141198 ;
Abstract
A valve device for controlling the filling level of cylinders and the like ith liquefied gases, comprising an upper connecting body which can be coupled to a cylinder for liquefied gas and forming a tubular gas infeed element which ends with a coupling body which is associable with a lower connecting body in order to retain a membrane for closing openings for feeding gas into the cylinder, and a valve control element which is controlled by a float and interacts with the membrane; the device further comprising clinching means for the mutual clamping of the upper connecting body and the lower connecting body.