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. 01, 1986
Filed:
Apr. 11, 1984
Applicant:
Inventor:
John D Butler, Van Wert, OH (US);
Assignee:
Federal-Mogul Corporation, Southfield, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
29451 ; 295271 ; 264277 ; 2643282 ; 425124 ;
Abstract
A dual-lip shaft seal with two PTFE sealing members bonded to a molded elastomeric body, and a method and mold for its manufacture includes an elastomeric body bonded to the radial flange of a metal case and provides (1) a shaped lip with a garter spring held in a recess and, bonded to its other side, a frustoconical PTFE ring providing its sealing lip portion and (2) an inflexible portion bonded to a radially extending PTFE wafer.
Quick Actions:
Butler, John. (1986). Method and mold for making a dual-lip shaft seal with one spring urged (U.S. Patent No. 4578856). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4578856
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile