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. 07, 1996
Filed:
Dec. 09, 1994
Applicant:
Inventor:
George T Wan, Houten, NL;
Assignee:
SKF Industrial Trading and Development Company B.V., Nieuwegein, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384477 ; 210171 ; 210490 ; 2105021 ; 210506 ; 277 23 ;
Abstract
A rolling element bearing, comprising bearing rings with rolling elements between the bearing rings, and a filter seal extending between the rings for closing a space between the rings. Said filter seal is oil permeable and water repellant. Hydrophilic chemicals are grafted on the side of the filter material facing the rolling elements. The side of the filter material opposite the rolling elements is coated with a water repellant substance having a high contact angle. The filter material is a metal mesh or a microporous polymeric material.