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:
Apr. 15, 2003
Filed:
Jan. 22, 2001
Applicant:
Inventor:
William A. Verdecchia, Erie, PA (US);
Assignee:
Zurn Industries, Inc., Erie, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 3/112 ;
U.S. Cl.
CPC ...
F16K 3/112 ;
Abstract
A refill ring for a flush valve that is attached to a guide member of a valve assembly and is positioned for contact with a passage of the flush valve is described. The refill ring includes an annular-shaped solid resilient member, such as an O-ring. The refill ring is received on the guide member. Alternatively, the refill ring can be integrally formed on an underside of the diaphragm.