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. 18, 1991
Filed:
Feb. 02, 1990
Applicant:
Inventor:
Robert M Gibbon, Fort Worth, TX (US);
Assignee:
JMK International, Inc., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427387 ; 264129 ; 2772 / ;
Abstract
A method is shown for manufacturing an engine gasket having reduced oil permeability. The engine gasket is formed in the desired shape from a silicone rubber compound having an inner surface exposed to hot engine oil and an outer surface. A silicone varnish coating is applied to at least the inner surface of the engine gasket, whereby the inner surface is substantially coated by the silicone varnish coating.