Method of making beverage packaging bag

Details Method of making beverage packaging bag Method of making beverage packaging bag

1987-08-12

1988-08-09

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493199, 493201, 493341, 493369, 21912167, 21912169, 383 66, B31B 114

Patent

active

047625147

ABSTRACT:
A method of making a beverage packaging bag made of at least one laminar panel which has an inner layer and an outer layer with appropriate portions of the laminar panel bonded and thus sealed together by heating and a plurality of cuts provided in the outer layer to facilitate piercing of a straw through the panel, by directing a laser beam through a mask at the bag.

REFERENCES:
patent: 3006257 (1961-10-01), Orsini
patent: 3524566 (1970-08-01), Parks
patent: 3582466 (1971-06-01), Quirk
patent: 3981230 (1976-09-01), Lee
patent: 3986640 (1976-10-01), Redmond
patent: 4032861 (1977-06-01), Rothrock
patent: 4072233 (1978-02-01), Kramer et al.
patent: 4268346 (1981-05-01), Achelpohl
patent: 4430548 (1984-02-01), Macken

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