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. 06, 1979
Filed:
Feb. 25, 1977
Applicant:
Inventors:
Donald D Rice, Marshalltown, IA (US);
Herbert H Walton, Marshalltown, IA (US);
Assignee:
Fisher Controls Company, Marshalltown, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F16K / ;
U.S. Cl.
CPC ...
137270 ; 1374546 ; 137316 ; 251282 ;
Abstract
A single-ported double-seated valve mechanism is a valve body means with an inlet and outlet communicated by a flow passage and a chamber for receiving valve trim. A bonnet is secured to the valve body means. Valve trim is fixedly secured to the bonnet and positioned within the chamber. The bonnet and valve trim may be removed from the valve as a unit. An outwardly extending portion of the bonnet is sized to fit within the valve body wherein the valve body serves as a support or vise.