Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1989-05-09
1990-07-03
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51393, B24D 1500
Patent
active
049379836
ABSTRACT:
A manually manipulatable pencil like abrasive disc back up assembly for supporting pressure sensitive adhesive coated abrasive discs while abrading defects in painted surfaces such as of automobiles. The assembly includes an elongate rigid body member having sockets opening through its ends, and firm flexible support members having inner portions in the sockets, and outer portions projecting from the sockets with planar end surfaces adapted to support one of the pressure sensitive adhesive coated abrasive discs.
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patent: 2716849 (1955-01-01), Blumstein
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patent: 3719460 (1971-05-01), Brockman
patent: 3842549 (1974-10-01), Johnston
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Finesse-it System Commercial Literature by 3M.
Mechanical Design and Systems Handbook, 2nd Ed., McGraw Hill, 1964, p. 27.44.
Mechanical Design & Systems Handbook, Table 27.16.
Freerks Conrad T.
Jones Thomas L.
Luecke Frederick R.
Huebsch William L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Rachuba M.
Schmidt Frederick R.
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