Abrasive disc back up assembly

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

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Details

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.

REFERENCES:
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patent: 1427503 (1922-08-01), Wake
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patent: 2716849 (1955-01-01), Blumstein
patent: 2996850 (1961-08-01), Hoffman
patent: 3719460 (1971-05-01), Brockman
patent: 3842549 (1974-10-01), Johnston
patent: 3998012 (1976-12-01), Ness
patent: 4361990 (1982-12-01), Link
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.

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