Packing containers and blanks therefor

Details Packing containers and blanks therefor Packing containers and blanks therefor

1988-05-05

1989-03-14

Marcus, Stephen

Special receptacle or package

With pallet feature

Knockdown or collapsible type

2066211, 22912542, B65D 554

Patent

active

048118494

ABSTRACT:
A packing container of the ridge roof type of the kind which is adapted to be opened by folding out again a bellows fold (B) formed at the top closure of the container in order to form an emptying opening (16) in the shape of a pouring spout. With the object of making the container liquid-tight and at the same time easy to open perforation (15) is arranged above the said bellows fold (B) below which the sealing fin (10) delaminates when the container is opened. The seal between the material layers forming the sealing fin (10) below this perforation is considerably weaker or almost negligible compared with the seal between material layers above the tearing perforation.

REFERENCES:
patent: 3116002 (1963-12-01), Crawford et al.
patent: 4327838 (1982-05-01), Kuchenbecker
patent: 4450581 (1984-05-01), Hirata
patent: 4546884 (1985-10-01), Kuchenbecker

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