Packaging

Details Packaging Packaging

1980-05-15

1985-10-15

Sipos, John

Package making

Methods

Conforming by stretching or shrinking of cover over contents

53442, 53447, 414 35, 414 97, B65B 3550, B65B 5300, B65B 5302

Patent

active

045465932

ABSTRACT:
A method of forming and holding a stack of bags where the bags are of a type and filled with a material to be vulnerable to dislodgement if the stack is too high the method including the steps of confining the stack during the building of the stack by leaves projecting vertically up each side of the stack, tightening the sleeve around the stack thus built including the leaves, and then withdrawing the leaves.
There are further features of one of the leaves being dismountable in sections to assist in building the stack and the further step in the method for holding the leaves together by disposable cords to resist upper spreading of the leaves during the building of the stack.

REFERENCES:
patent: 1043824 (1912-11-01), Griffin
patent: 1122849 (1914-12-01), Botteese
patent: 1353351 (1920-09-01), Kuhnen
patent: 1413868 (1922-04-01), O'Bryan
patent: 2581561 (1952-01-01), Shaw
patent: 3825113 (1974-07-01), Kramer
patent: 3945493 (1976-03-01), Cardinal
patent: 4050220 (1977-09-01), Lancaster
patent: 4110957 (1978-09-01), Lancaster

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