Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1988-12-30
1992-04-07
Kisliuk, Bruce M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
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.
Kisliuk Bruce M.
Lavinder Jack
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