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. 26, 1985
Filed:
Dec. 19, 1983
Applicant:
Inventors:
Glenn Peisker, Barrington, IL (US);
Keith Christiansen, Fox River Grove, IL (US);
Gil Jaime, West Dundee, IL (US);
Assignee:
Chicago Rawhide Manufacturing Company, Elgin, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277134 ; 277152 ; 277208 ;
Abstract
A fluorocarbon seal including a formed resin ring element which is adapted to serve both as a primary lip and an auxiliary or excluder lip, in which at least a portion of the lip surface contains hydrodynamic formations consisting of grooves or the like indented or debossed surfaces rather than upstanding or protruding vanes or ribs, and wherein the resinous seal ring element as a whole is in the form of a generally frusto-conical ring having an intermediate portion thereof bonded by an annular collar unit to an associated casing.