Package and method for producing the same

Details Package and method for producing the same Package and method for producing the same

1992-07-23

1993-09-07

Kisliuk, Bruce M.

Package making

Closing packages and filled receptacles

Separate closure applying

533768, 493133, B65B 716

Patent

active

052418022

ABSTRACT:
A package in form of a box for airtightly and liquidtightly containing contents such as liquids is folded from a sheetlike blank. In a first step the box is folded to a tubular sleeve being joint along an lapping joint (7), the box innerside being covered by a liquidtight layer, preferably a plastic material. The box comprises both a lock and a bottom providing folding tongues projecting from each wall at the corresponding ends of the box. A sealing foil (5) is applied over the opening of at least one end of the box, the foil (5) being sealed at both the folding tongues and the box corner portions. The folding tongue or tongues, over which the lapping joint is stretching consists of two tongue parts (9, 10) partly lapping each other. The (10) of these tongue parts (9, 10) lying outside of the other tongue part (9) is provided with a folding edge (6) joining the other tongue part final edge.

REFERENCES:
patent: 3481527 (1969-12-01), Jacke
patent: 3690091 (1972-09-01), Christensson
patent: 3762283 (1973-10-01), Renner
patent: 4688716 (1987-08-01), Winterling
patent: 4927075 (1990-05-01), Lisiecki

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