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. 24, 2001
Filed:
May. 01, 1998
Applicant:
Inventor:
Nigel Smith, Wokingham, GB;
Assignee:
Howmedica International Inc., , IE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/28 ;
U.S. Cl.
CPC ...
A61F 2/28 ;
Abstract
A process for improving the start up and steady rate friction of soft/compliant polyurethane bearings uses a pre-treatment with Ringers solution. The process includes treating the polyurethane in a heated bath of the solution for 96 hours at a temperature of between 30° C. and 37° C.