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. 26, 1979
Filed:
Feb. 02, 1977
Applicant:
Inventor:
Dean R Bainard, Bethel Township, York County, SC (US);
Assignee:
Garlock Inc., Palmyra, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29D / ; B29G / ; B29H / ;
U.S. Cl.
CPC ...
264163 ; 295271 ; 264262 ; 264263 ; 264266 ; 264268 ; 264277 ; 425D / ;
Abstract
A method for making a shaft seal of the type including an elastomeric body and a polytetrafluoroethylene sealing element comprising inserting a metal shell (if employed in the seal), a synthetic rubber blank prep form and a polytetrafluoroethylene sealing element into a transfer or compression mold, and then closing the mold to simultaneously form a sealing lip portion of the polytetrafluoroethylene sealing element into the desired shape, mold the rubber into the desired shape and bond the rubber to the shell (if used) and to the anchor portion of the polytetrafluoroethylene sealing element.