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:
Nov. 16, 2004
Filed:
Sep. 24, 2001
Applicant:
Inventors:
Richard King, Warsaw, IN (US);
Donald E. McNulty, Warsaw, IN (US);
Todd S. Smith, Fort Wayne, IN (US);
Robert Richard, Wrentham, MA (US);
Assignee:
DePuy Products, Inc., Warsaw, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 3/508 ; B29C 4/302 ; B29C 4/352 ; B29C 7/100 ;
U.S. Cl.
CPC ...
B29C 3/508 ; B29C 4/302 ; B29C 4/352 ; B29C 7/100 ;
Abstract
A process for forming an oriented orthopaedic implant prosthesis bearing, net-shape bearing, or near net-shape bearing includes the step of placing an irradiated UHMWPE preform or puck of a volume sufficient to accommodate the bearing in a compression mold and compression molding the irradiated preform. The molding is accomplished by applying heat and pressure to form the preform into a desired shape. The compression molding induces biaxial orientation in the formed bearing.