Method of pressure sealing business forms

Details Method of pressure sealing business forms Method of pressure sealing business forms

1993-09-01

1994-04-05

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156350, 156553, 156555, B32B 3100

Patent

active

053001770

ABSTRACT:
Pressure sealing of business forms is effected utilizing first and second sets of (preferably narrow-width) rollers forming first and second nips which provide a sealing force to business forms passing between them. The first set of rollers are rotatable about first and second axes, typically horizontal, while the second set of rollers are rotatable about third and fourth axes. The third and fourth axes are substantially perpendicular to the first and second axes, and may be horizontal or vertical. The first set is typically provided above the second set, and a conveyor may be provided for conveying forms which drop from the first set into operative association with the second set.

REFERENCES:
patent: 3749631 (1973-07-01), Batchelder et al.
patent: 4343129 (1982-08-01), Gunther, Jr. et al.
patent: 4684433 (1987-08-01), Gohr
patent: 4744553 (1988-05-01), Hirose
patent: 4826475 (1989-05-01), Eweryd
patent: 4928807 (1990-05-01), Auerbach
patent: 4967899 (1990-11-01), Newsome
patent: 5104116 (1992-04-01), Pohjola

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