Polymeric forming tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 9, 2000
Grant Date -
N/A
app pub date -
Feb 6, 1998
filing date -
Feb 6, 1998
priority date (Note) -
Expired
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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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