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:
Apr. 04, 1989
Filed:
Jun. 22, 1988
Applicant:
Inventor:
Andy C Pilkington, Tecumseh, MI (US);
Assignee:
Mather Seal Company, Milan, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428422 ; 277152 ; 277166 ; 4284231 ; 4284258 ; 428457 ; 428465 ; 428492 ;
Abstract
A lip seal having enhanced shock loading capabilities includes a rigid case member coated with an elastomeric material. A composite annular sealing lip having a bonding portion formed of an elastomeric material and a contact portion formed of polytetrafluoroethylene is bonded to the case member such that a shock absorbing elastomer to adhesive to elastomer interface is formed between the sealing lip and the case coating.