Flexible container

Details Flexible container Flexible container

1991-10-15

1992-08-18

Marcus, Stephen

Flexible bags

Wall details

Specified seam structure

383 41, 383 67, B65D 3010, B65D 3336

Patent

active

051393468

ABSTRACT:
In a flexible container, there is provided three or more approximately rectangular main sheets, and a rectangular inlet sheet and outlet sheet are provided on an imaginary line passing through approximately the central part in the width direction of each of the main sheets. One end of each of the inlet sheet and the outlet sheet in the direction along the imaginary line is sewed to an end of the main sheet corresponding to the one end, and the other end of each of the inlet sheet and the outlet sheet is projected away from the main sheet in the direction along the imaginary line. The imaginary lines of assembly sheets each constituted by the three types of sheets conform to one another, opposed surfaces of the adjacent assembly sheets are joined to each other, and outer side edges of the adjacent assembly sheets are sewed together.

REFERENCES:
patent: 2730150 (1956-01-01), Wunderwald et al.
patent: 3105617 (1963-10-01), Felldin
patent: 3893595 (1975-07-01), Khanna et al.
patent: 4597102 (1986-06-01), Nattrass
patent: 4646367 (1987-02-01), Nattrass
patent: 4781473 (1988-11-01), LaFleur
patent: 4781475 (1988-11-01), LaFleur
patent: 4798572 (1989-01-01), LaFleur et al.

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