Arrangement on packing containers

Details Arrangement on packing containers Arrangement on packing containers

1987-08-25

1989-01-31

Marcus, Stephen

Envelopes, wrappers, and paperboard boxes

Paperboard box

Including tearing or breaking means for opening a nonunitary...

22912537, 2291602, B65D 570

Patent

active

048010782

ABSTRACT:
An arrangement on packing containers of flexible packing material, this arrangement making possible a tight closing and simple opening of the top part of the packing container. In, for example, a gable-top package (1) the arrangement comprises a sealing film (8) projecting outside the top edge of the packing container material, which after conventional shaping of the top part of the packing container is sealed in a sealing zone (9) and is provided with a projecting tearing strip (11). The film (8) is a laminate sealable to the packing material with a suitable barrier layer, e.g. Al-foil, and, owing to its small thickness, can be simply sealed in a gas-tight manner to itself as well as to the inside of the packing material.

REFERENCES:
patent: 2196243 (1940-04-01), Bensel
patent: 2382573 (1945-08-01), Moore
patent: 2765974 (1956-10-01), Phipps et al.
patent: 2959336 (1960-11-01), Mosse et al.
patent: 3069066 (1962-12-01), Peckham
patent: 3272425 (1966-09-01), Bendersky et al.
patent: 3473725 (1969-10-01), Wiehahn
patent: 3869078 (1975-03-01), Braun
patent: 3942708 (1976-03-01), Christensson
patent: 4362245 (1982-12-01), Kuchenbecker

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