Method for the continuous coating of webs having spliced joints

Details Method for the continuous coating of webs having spliced joints Method for the continuous coating of webs having spliced joints

1978-10-10

1981-05-26

Smith, Ronald H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156280, 156301, 427401, 427424, 427429, B31F 500, B65H 1900, B65H 6902

Patent

active

042696470

ABSTRACT:
Defects in the coating of webs with aqueous solutions of hydrophilic colloids traceable to the effects of web splices are reduced. The webs are butt-joined by a splicing tape applied to their back side and are provided with a hydrophobic coating over their front side at the splicing region. The invention is particularly advantageous in the manufacture of photographic material.

REFERENCES:
patent: 2319353 (1943-05-01), Schwartz et al.
patent: 3518141 (1970-06-01), Bourns et al.
patent: 3531362 (1970-09-01), Bourns et al.
patent: 3655473 (1972-04-01), O'Brien
patent: 3972762 (1976-08-01), Kawahara et al.
patent: 4024302 (1977-05-01), Takagi et al.

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