Plastic and nonmetallic article shaping or treating: processes – Disparate treatment of article subsequent to working,...
Patent
1993-07-15
1994-07-05
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Disparate treatment of article subsequent to working,...
264238, 264294, 264322, 264324, 430496, 430538, D21J 300, B29C 5300
Patent
active
053265220
ABSTRACT:
A method of forming a textured surface in a sheet of photographic paper by washing the paper for a predetermined period of time, repeatedly cockling the sheet to form a plurality of randomly placed ridges and valleys in the paper, drying the paper, and compressing the paper in a press.
REFERENCES:
patent: 481239 (1892-08-01), McEwan
patent: 3856592 (1974-12-01), Giorgi
patent: 4721499 (1988-01-01), Marx et al.
patent: 4721500 (1988-01-01), Van Handel et al.
Fiorilla Christopher A.
Silbaugh Jan H.
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