Process for the production of a liquid package and apparatus for

Details Process for the production of a liquid package and apparatus for Process for the production of a liquid package and apparatus for

1986-09-03

1987-12-15

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493 87, 493105, 493176, 493302, 493466, B31B 116, B31B 128

Patent

active

047130482

ABSTRACT:
A method and apparatus are disclosed for production of containers for packaging liquids. Plastic-coated supporting material is drawn as a web from a supply roll in a first direction along a web path. At a first position, the web is cut into sheets. The sheets are conveyed along a transport path in a second direction transverse to the web path. At a second position, each sheet is partially shaped into a tube, and an edge of the sheet is folded over and sealed. At a third position, shaping is completed to cause the side edges of the sheet to join, and the tube side is sealed. A plastic lid is molded onto the top of each tube, and the bottom end is folded and sealed into a quadrilangular bottom.

REFERENCES:
patent: 369638 (1887-09-01), Godfrey et al.
patent: 3035288 (1962-05-01), Pecoulos
patent: 3628428 (1971-12-01), Peacock
patent: 3733980 (1973-05-01), Palmer et al.
patent: 4072549 (1978-02-01), Amberg et al.
patent: 4121402 (1978-10-01), Cress et al.
patent: 4311476 (1982-01-01), Williams
patent: 4540391 (1985-09-01), Fries, Jr.
patent: 4604850 (1986-08-01), Reil

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