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:
Mar. 04, 1980
Filed:
Oct. 26, 1977
Applicant:
Inventor:
Jerry G Jelinek, La Habra, CA (US);
Assignee:
Parker-Hannifin Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F16J / ;
U.S. Cl.
CPC ...
277166 ; 2772 / ;
Abstract
A sealing washer for a socket head cap screw and the like characterized in that an elastomeric sealing ring within a rigid annular retainer has integral portions extending into radial channels in one side of the retainer. The sealing washer herein is further characterized in that the rigid annular retainer is made of relatively thin sheet stock which has folded over integral tabs to double the thickness of the retainer and to define channels on one side of the retainer which are filled with elastomeric material radiating from the elastomeric sealing ring within the retainer.