Rotary fininshing tool

Details Rotary fininshing tool Rotary fininshing tool

1989-07-25

1990-08-07

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51400, 51401, 51206NF, 51298, B24D 1100

Patent

active

049456873

ABSTRACT:
A rotary finishing tool, comprising (a) a foamed elastomeric bond where the elastomeric bond has greater than 5% void and contains (i) a medium abrasive grit having a grain size of from about 30 to about 50, and (ii) a fine abrasive grit having a grain size about 70 to about 100. In another embodiment, a rotary finishing tool, comprising (a) a hub adaptable to be power driven, (b) an array of abrasive monofilaments secured to and projecting from the hub, where the abrasive monofilament is a polymeric material which has abrasive grit dispersed throughout, (c) and abrasive grit containing foamed, elastomeric bond, having greater than 5% voids, secured to the hub and encapsulating the array of monofilaments.

REFERENCES:
patent: 2496352 (1950-02-01), Metza et al.
patent: 3773480 (1973-11-01), Hall et al.
patent: 4809467 (1989-03-01), Defazio

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