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:
Feb. 18, 1997
Filed:
Apr. 25, 1995
Applicant:
Inventors:
Douglas R Dole, Whitehouse Station, NJ (US);
Scott D Madara, Easton, PA (US);
Assignee:
Victaulic Company of America, Easton, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251148 ; 251367 ; 251305 ;
Abstract
A rotary valve disc is provided internally of a single continuous length of pipe, and is secured therein by a segmented pipe coupling, thus eliminating requirement for two independent pipes and a separate seating for the valve disc, and permitting a reduction in the wall thickness of the pipe, particularly of pipes of plastics material.