Laminated three-layer resinoid wheels having core layer of reinf

Details Laminated three-layer resinoid wheels having core layer of reinf Laminated three-layer resinoid wheels having core layer of reinf

1974-08-01

1976-04-13

Arnold, Donald J.

Abrasive tool making process, material, or composition

Laminating

51298R, B24D 1100

Patent

active

039501485

ABSTRACT:
Laminated three-layer resinoid wheels having a core layer of reinforcing material are continuously produced by placing into a die a resinoid abrasive composition and a sheet of reinforcing material having a binder previously deposited thereon, with the reinforcing sheet interposed between layers of the abrasive composition, molding the mass of 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: 2656654 (1953-10-01), Erickson
patent: 3116986 (1964-01-01), Goepfert et al.
patent: 3529945 (1970-09-01), Charvat
patent: 3547608 (1970-12-01), Kitazawa

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