Method for applying stiffener to computer paper

Details Method for applying stiffener to computer paper Method for applying stiffener to computer paper

1976-02-23

1977-11-29

Lusignan, Michael R.

Coating processes

Nonuniform coating

Edge or border coating

118 60, 118219, 118221, 118222, 118224, 118225, 118230, 118411, 427288, 427391, 427395, 427428, B05D 500, B05D 128

Patent

active

040606511

ABSTRACT:
Stiffeners in the form of spaced, narrow bands or lines of flowable, quick-setting material are applied to one side of a moving paper web to be used as computer paper. The stiffeners are applied either immediately before or during the time the paper web is partially wrapped around a cylindrical drum so that the material will set to a solidified condition while it is on the drum to set up a molecular pattern in each stiffener line, causing the paper web to be inherently biased in one direction. Guide means is provided for directing the paper web onto and off the drum. The material may be applied by applicator guns or wheels as the paper web moves through a rotary printing press and as it moves toward a line hole punch apparatus, perforating means and a fan-folding mechanism.

REFERENCES:
patent: 1619081 (1927-03-01), McLaurin
patent: 2757636 (1956-08-01), Stephens et al.
patent: 3364055 (1968-01-01), Nelson
patent: 3416943 (1968-12-01), Clark et al.
patent: 3658364 (1972-04-01), DaMert

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