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. 12, 2001
Filed:
Jun. 08, 1999
Applicant:
Inventors:
Donald E. McNulty, Warsaw, IN (US);
Todd Smith, Fort Wayne, IN (US);
Assignee:
DePuy Orthopaedics, Inc., Warsaw, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/302 ;
U.S. Cl.
CPC ...
B29C 4/302 ;
Abstract
A method for forming a plastic prosthesis bearing, net-shape bearing or near net-shape bearing is provided. The method includes providing a cross-linked plastic resin preform in a volume sufficient to accommodate the bearing and molding the cross-linked preform. The molding is accomplished by applying heat and pressure to form the preform into a desired solid plastic shape. The heating and pressure is sufficient to melt the plastic resin so that the plastic resin flows under pressure and quench remaining free-radicals.