Abrasive engraving process

Details Abrasive engraving process Abrasive engraving process

1990-02-27

1991-12-03

Rose, Robert A.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51262R, 51319, 118504, 118505, B24C 104

Patent

active

050690043

ABSTRACT:
An abrasive engraving process employing the steps of applying a topical coating 30 of magnetically interactive material to a work substrate 10, applying a stencil 40 cut from a magnetic material to the surface, covering stencil 40 with an identically cut stencil cut from an abrasion resistant material such as polyurethane, placing the work and its stencils above a strongly attractive magnetic field from magnet 60, and abrasively etching the exposed areas of the surface of substrate 10.

REFERENCES:
patent: 3067718 (1962-12-01), Kraft
patent: 3085368 (1963-04-01), Oostland
patent: 3170810 (1965-02-01), Kagan
patent: 3280715 (1966-10-01), Corl
patent: 4528906 (1985-07-01), Hasagawa

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