Surface treatment method for finishing materials capable of bein

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

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51311, 51283R, B24B 100

Patent

active

051016036

ABSTRACT:
In order to polish a zone (9) of a surface (2) so as to leave visible marks, the zones of the surface which are not being worked on are covered by a mask (4) having an adhesive face and a face covered with an abrasion-resistant metal layer (7) with the total thickness (e) of the mask not exceeding 40 .mu.m so that the non-polished margin along the edge (8) of the mask (4) has a width (l) of less than about 0.1 mm, thereby making it invisible to the naked eye so that adjacent zones appear to come directly into contact without a visible separating margin.

REFERENCES:
patent: 734135 (1903-07-01), Porter
patent: 1354471 (1920-10-01), Doner
patent: 1431917 (1922-10-01), Antaramian
patent: 2875543 (1959-03-01), Sylvester et al.

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