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:
Oct. 23, 1990
Filed:
Dec. 16, 1988
Applicant:
Inventor:
Bernd Stephan, Remscheid-Lennep, DE;
Assignee:
Goetze AG, Burscheid, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277153 ;
Abstract
An article for use as a shaft sealing ring for sealing a fluid medium includes an elastomeric body, a housing member, and a sealing lip having a sealing edge; the sealing edge, when installed about a shaft, being radially deformed and contacting a surface of the shaft along a running zone having a first end adjoining the fluid medium and a second end adjoining the environment to be sealed from the fluid medium; the sealing edge, when in a non-installed condition, having an annular surface of varying inner diameter along the running zone; the smallest of the varying inner diameter lying closer to the first end than to the second end.