Working tool, and material therefor
First Claim
1. A thermosettable material, adapted for the preparation of a solid working tool, which comprises 20 to 40% by volume of substantially parallel or transversely oriented yarn formed from long fiberglass strands entwined together and a thermosetting resin which contains abrasive grains dispersed therein, wherein said thermosetting resin containing the abrasive grains is impregnated into and dispersed around and among gaps throughout the entwined fiberglass strands.
1 Assignment
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Accused Products
Abstract
A material adapted for the preparation of a working tool contains long fiberglass arranged in the form of an entwined yarn and at least one thermosettable resin containing abrasive grains dispersed therein, which impregnates the entwined fiberglass yarn. Upon shaping and curing, a working tool is readily formed from this material in the form of any of a rotor, a stick or other desired shape.
17 Citations
13 Claims
- 1. A thermosettable material, adapted for the preparation of a solid working tool, which comprises 20 to 40% by volume of substantially parallel or transversely oriented yarn formed from long fiberglass strands entwined together and a thermosetting resin which contains abrasive grains dispersed therein, wherein said thermosetting resin containing the abrasive grains is impregnated into and dispersed around and among gaps throughout the entwined fiberglass strands.
Specification