Method of making a master tool

Details Method of making a master tool Method of making a master tool

1999-02-26

2000-06-20

Echols, P. W.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

29557, 51293, B21B 146

Patent

active

060762489

ABSTRACT:
The present invention provides a master tool and method for making a master tool. The master tool includes a plurality of precise three-dimensional shapes upraised from the surface of the master tool. Each of the precise shapes is defined by a distinct and discernible boundary including specific dimensions, wherein not all said three-dimensional shapes are identical. The master tool of the present invention can be used to form a production tool containing a plurality of precise three-dimensional-shaped cavities. The production tool can be used in the manufacture of abrasive articles to shape an abrasive slurry into an array of precise three dimensional-shaped abrasive composites.

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