Packing containers with ripping thread opening and packing mater

Details Packing containers with ripping thread opening and packing mater Packing containers with ripping thread opening and packing mater

1975-04-28

1977-06-07

McGehee, Travis S.

Package making

Interrelated or safety controls

53 28, 93 1TS, 229 51AS, B65B 6118

Patent

active

040274551

ABSTRACT:
In a packing container of the type comprising two sealing joints crossing each other whereby a sealing joint forms a sealing fin in which the packaging material is joined inside to outside, a ripping strip or thread is provided adjacent the inside of the sealing fin and with a portion thereof accessible from the exterior of the container.

REFERENCES:
patent: 2268668 (1942-01-01), Moore
patent: 2294220 (1942-08-01), Albertson
patent: 2370079 (1945-02-01), Schmidt
patent: 2683401 (1954-07-01), Smith
patent: 2758517 (1956-08-01), Brightwell
patent: 3080238 (1963-03-01), Kraft
patent: 3090285 (1963-05-01), Carlson
patent: 3263391 (1966-08-01), Wallsten
patent: 3402875 (1968-09-01), Palmer
patent: 3426499 (1969-02-01), Paige
patent: 3438563 (1969-04-01), Collura et al.

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