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. 09, 2000
Filed:
Feb. 06, 1998
Applicant:
Inventor:
Bruce Norman Greve, Clarkston, MI (US);
Assignee:
The Budd Company, Troy, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; F16C / ;
U.S. Cl.
CPC ...
428323 ; 428325 ; 428328 ; 384 30 ;
Abstract
The present invention provides a material forming tool, such as a sheet metal stamping die, having a polymer matrix and filler material mixed therein. The filler material is a plurality of microspheres which are coated with a release agent. The coating of the release agent should be sufficient to allow the microspheres to rotate in the polymer matrix when the tool is used to form material.