Pouch having tearing zone for taking out content packed therein

Details Pouch having tearing zone for taking out content packed therein Pouch having tearing zone for taking out content packed therein

1988-08-05

1989-05-30

Fidei, David T.

Special receptacle or package

With pallet feature

Knockdown or collapsible type

206618, 206632, 206604, B65D 6536, B65D 7560, B65D 7738

Patent

active

048342459

ABSTRACT:
A pouch for containing therein a content including front and rear pouch bodies formed of a laminated film, and heat-sealed portions at confronting side edge portions of the front and rear pouch bodies for providing a fluid tight structure of the pouch. The pouch is characterized in that: the laminate film includes uniaxial oriented plastic film layer provided with molecular orientation in one direction, and at least two notches are formed at positions close to each other at least one of the heat-sealed portions for defining a leading end portion of a tearing zone. The notches are directed in a tearing direction parallel with a direction of the molecular orientation of the laminated film.

REFERENCES:
patent: 2329360 (1943-09-01), Salisberg
patent: 3276669 (1966-10-01), Vilutis
patent: 3547257 (1970-12-01), Armentrout
patent: 3572579 (1971-03-01), Mueller
patent: 4236652 (1980-12-01), Beguhn
patent: 4386705 (1983-06-01), Mueller
patent: 4539793 (1985-09-01), Malek
patent: 4638913 (1987-01-01), Howe, Jr.
patent: 4658963 (1987-04-01), Jud
patent: 4670352 (1987-06-01), Kurz
patent: 4720011 (1988-01-01), Canamero
patent: 4747510 (1988-05-01), Mack

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