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:
Sep. 05, 2006
Filed:
Aug. 29, 2001
Nicholas J. Williams, Sparks, NV (US);
Christopher E. Cooper, Reno, NV (US);
Lawrence J. Burrow, Reno, NV (US);
Joanne L. Dickson, Sparks, NV (US);
Nicholas J. Williams, Sparks, NV (US);
Christopher E. Cooper, Reno, NV (US);
Lawrence J. Burrow, Reno, NV (US);
Joanne L. Dickson, Sparks, NV (US);
Tyco Flow Control, Inc., Princeton, NJ (US);
Abstract
A gate valve having a polymeric monolithic liner, the liner having cylindrical flange portions projecting from either side to form a fluid passageway through the liner, first and second housing portions forming a liner cavity, the liner being disposed in the liner cavity, a first face ring having a first cylindrical tubular portion and a first radially outwardly projecting, annularly extending face ring flange, the first tubular portion being received in the first annular flange portion of the liner, a second face ring having a second cylindrical tubular portion and a second radially outwardly projecting, annularly extending face ring flange, the second tubular portion being received in the second annular flange portion and a gate valve element slidably received in a valve element cavity formed in the liner.