Multiple set pressure sealer rollers

Details Multiple set pressure sealer rollers Multiple set pressure sealer rollers

1992-03-25

1994-03-01

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156351, 156357, 1564415, 156555, 493 10, B32B 3100

Patent

active

052903850

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), Averbach
patent: 4932188 (1990-06-01), Krasuski et al.
patent: 4967899 (1990-11-01), Newsome
patent: 5104116 (1992-04-01), Pohjola
patent: 5133828 (1992-07-01), Jacques

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