Laminated resinoid wheels, method for continuously producing sam

Details Laminated resinoid wheels, method for continuously producing sam Laminated resinoid wheels, method for continuously producing sam

1975-04-23

1976-09-28

Smith, Al Lawrence

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51297, 51401, B24D 714, B24D 514

Patent

active

039823580

ABSTRACT:
Resinoid wheels are continuously produced by preparing resinoid abrasive compositions each different in the size of abrasive grains contained therein, placing the abrasive compositions into a die in the form of superposed layers, molding the superposed layers into a block, heating the block by a high frequency heater, passing the heated block through multiple pairs of rolls to roll the block into a sheet, blanking out circular pieces from the rolled sheet and baking the circular pieces.

REFERENCES:
patent: 201778 (1878-03-01), Hart
patent: 1616531 (1927-02-01), King
patent: 2594137 (1952-04-01), Doermann
patent: 3030743 (1962-04-01), Raymond
patent: 3067551 (1962-12-01), Maginnis
patent: 3802130 (1974-04-01), Lindenbeck
patent: 3867795 (1975-02-01), Howard

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