Process of making containers made of thin pliable synthetic mate

Details Process of making containers made of thin pliable synthetic mate Process of making containers made of thin pliable synthetic mate

1979-02-12

1980-08-12

Sipos, John

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

53455, B65B 6114, B65B 4304

Patent

active

042166390

ABSTRACT:
A container made of synthetic material and comprising two compartments, one containing the liquid or other matter the container is to carry, and one, of smaller volume, containing a gas under pressure. The smaller pressurized container rigidifies the structure and may be shaped in such a way as to form a handle or grip for the container. A process and apparatus for manufacturing and filling rows of such containers is also disclosed, said process involving forming a strip of synthetic material into the shape of a letter W in transverse section and performing various welding operations on the strip to form individual containers and to divide off the two compartments.

REFERENCES:
patent: 2194451 (1940-03-01), Soubier
patent: 2245738 (1941-06-01), Taylor
patent: 2247312 (1941-06-01), Rumsey, Jr.
patent: 2718105 (1955-09-01), Ferguson
patent: 2928216 (1960-03-01), Orsini
patent: 3319538 (1967-05-01), Bodolay
patent: 3670927 (1972-06-01), Hobbard

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