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. 06, 2000
Filed:
Jul. 16, 1997
Applicant:
Inventors:
Wesley S Swanson, Elk Grove Village, IL (US);
Robert J Cooper, Fox Lake, IL (US);
Assignee:
Ranco Incorporated of Delaware, Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137 15 ; 251148 ; 228-23 ;
Abstract
A method of non-releasably quick-connecting a tubular metal conduit to the inlet of a non-metallic valve body. A closure having a tube-receiving bore is then pre-assembled with a frictionally engaging spring washer and seal rings therein and is then secured to the valve inlet preferably by non-metallic weldment. The tubular conduit is then inserted into the bore and radially compresses the seal rings and is frictionally engages the spring washer to prevent subsequent removal of the conduit.