Polymeric forming tool

Details Polymeric forming tool Polymeric forming tool

1998-02-06

2000-05-09

Le, Hoa T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428325, 428328, 384 30, B32B 516, F16C 2902

Patent

active

060601558

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.

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patent: 4882367 (1989-11-01), Laroche
patent: 5017629 (1991-05-01), Wilson et al.
patent: 5049342 (1991-09-01), Scanlon et al.
patent: 5124178 (1992-06-01), Haenggi et al.
patent: 5516478 (1996-05-01), Boszor
patent: 5633085 (1997-05-01), Schleifstein

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