Process for making container of plasticized sheet material and c

Details Process for making container of plasticized sheet material and c Process for making container of plasticized sheet material and c

1995-09-29

1997-10-21

Derakshani, Philippe

Dispensing

Collapsible wall-type container

Nonmetallic

493 87, 493102, 493212, 531332, B65D 3508

Patent

active

056787324

ABSTRACT:
A process for making a container of heat-sealable plasticized sheet material, provided with a pouring spout and formed of a pair of facing walls having two side edges connected to each other by side walls folded to create side bellows. The process comprises the steps of sealing the upper edges of the facing walls so as to define an opening, of providing a small tube of a rigid material fitted with a flange that extend wider than the opening and that defines the spout and a thin cane, of inserting the thin cane into the container through the opening till the flange meets the border of the upper sealed edges, of folding said flange on the outer faces of the facing walls to cover the edges, and of tight sealing the flange to the edges.

REFERENCES:
patent: 3105613 (1963-10-01), Barton et al.
patent: 3263848 (1966-08-01), Zackheim
patent: 4718778 (1988-01-01), Ichikawa
patent: 4876788 (1989-10-01), Steer
patent: 5226564 (1993-07-01), Steer et al.

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