Composite paper sheets adapted to manufacture bags and process

Details Composite paper sheets adapted to manufacture bags and process Composite paper sheets adapted to manufacture bags and process

1981-05-29

1984-07-17

Bell, James J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156291, 427286, 427288, 428198, 428211, 428535, B32B 3100

Patent

active

044604262

ABSTRACT:
At least one surface of a paper sheet of a composite paper sheet utilized to form bags is printed with a printing ink type binder. The binder is printed in the form of parallel spaced stripes extending in parallel with or crossing at a predetermined angle with respect to the longitudinal direction of the composite sheet. After printing, the composite sheet is wrapped into a roll. Then, the printed binder bonds adjacent paper sheets together to form the composite sheet. The binder can be applied with conventional printing press.

REFERENCES:
patent: 3055496 (1962-09-01), Dunlap
patent: 3373090 (1968-03-01), Alden
patent: 3515270 (1970-06-01), Tonn et al.
patent: 3881041 (1975-04-01), Glienke
patent: 4115602 (1978-09-01), Bullard
patent: 4260443 (1981-04-01), Lindsay et al.
patent: 4354890 (1982-10-01), Maffey

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