Special receptacle or package – With pallet feature – Knockdown or collapsible type
Patent
1989-08-25
1991-02-05
Elkins, Gary E.
Special receptacle or package
With pallet feature
Knockdown or collapsible type
2291231, B65D 574
Patent
active
049897365
ABSTRACT:
Packing containers and packing container blanks of the type used for the packaging of, e.g., milk and juice, often are of the so-called gable-top type, in which the top closure also serves as an opening arrangment with a pouring spout which can be folded outwardly. The parts of the packing container or the blank forming the pouring spout may be partially coated with a seal-preventing substance to make it possible for the pouring spout to be detached and opened outwardly in spite of the heat-sealing of the top. The seal-preventing coating in accordance with the invention is covered by a film which extends along the upper edge region of the packing container to provide a better defined sealing strength, a tighter top seal, and protection to the coating both before and after the conversion of the packing container blank to packing containers.
REFERENCES:
patent: 3256981 (1966-06-01), Kurtz
patent: 3655503 (1972-04-01), Stanley et al.
patent: 4521467 (1985-06-01), Berger
patent: 4705174 (1987-11-01), Goglio
patent: 4712727 (1987-12-01), Wyberg
patent: 4744467 (1988-05-01), Jonsson et al.
patent: 4875587 (1989-10-01), Lulhan et al.
Andersson Thorbjorn
Rydh Niklas
AB Profor
Elkins Gary E.
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