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:
May. 22, 1979
Filed:
Feb. 06, 1978
Applicant:
Inventors:
Dean R Bainard, Bethel Township, County of York, SC (US);
Martin E Benjamin, Gastonia, NC (US);
George Fedorovich, Gastonia, NC (US);
Assignee:
Garlock Inc., Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ; B22D / ;
U.S. Cl.
CPC ...
294695 ; 295271 ; 264266 ; 264268 ; 264276 ; 425D / ;
Abstract
A method for making an annular shaft seal of the type having an elastomeric sealing element bonded to a metal shell having a guard or scraper portion having a sharp I.D. edge, in which the sharp I.D. edge is formed or 'pierced' during the molding process simultaneously with the elastomeric sealing element being molded and bonded to the shell.