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. 19, 1990
Filed:
Mar. 13, 1989
Applicant:
Inventors:
Brian J Blenkush, Maple Grove, MN (US);
David W Meyer, Jordon, MN (US);
Assignee:
Colder Products Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
2511491 ; 251149 ; 604249 ; 604256 ; 285308 ;
Abstract
A shutoff valve (26) including a plunger (28) slidably mounted in a housing (30). The plunger (28) being slidable between an open and a closed position. The plunger (28) having a front end and a back end and defining a path flow of fluid therethrough. A back end (32) of the plunger (28) having inclined surfaces (50). Projections (34) extend from the back end (32) of the housing (30) and cooperate with the inclined surfaces (50) to bias the plunger (20) into the closed position.