Printing apparatus employing a compliant sheet corrugating devic

Details Printing apparatus employing a compliant sheet corrugating devic Printing apparatus employing a compliant sheet corrugating devic

1991-05-31

1992-10-06

Grimley, A. T.

Photocopying

Contact printing

Light boxes

271188, 271209, 355308, 355311, G03G 2100

Patent

active

051536633

ABSTRACT:
A simple, low cost corrugation device for removing curl from sheets includes a compliant corrugator roll that is effective with light weight, low beam strength papers needing corrugation and passive with heavy weight, high beam stiffness papers not needing
ot wanting corrugation. One type of corrugation roll is a cylindrical elastomeric roll made of a foam or sponge-like material. An alternative corrugator roll configuration is a hollow frustrum of a cone.

REFERENCES:
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patent: 4767114 (1988-08-01), Nishimoto
patent: 4831416 (1989-05-01), Bensen
patent: 4842263 (1989-06-01), Robertson
patent: 4849786 (1989-07-01), Murakami
patent: 4893806 (1990-01-01), McLaughlin
patent: 4901117 (1990-02-01), Derrick

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