Paperboard cartons having protected board raw edges surfaces and

Details Paperboard cartons having protected board raw edges surfaces and Paperboard cartons having protected board raw edges surfaces and

1997-04-15

1998-09-22

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Miscellaneous joint construction

229 31, 428 342, B65D 540, B65D 542

Patent

active

058102434

ABSTRACT:
A paperboard polymer coated carton having protected board raw edge surfaces for packaging food and non-food products is provided in which a thin slice of the inside carton raw edge surface is removed or skived away from the side seam flap. The thin slice includes all of the inside polymer layers and most of the paperboard. The resulting outside flap is folded into the carton inside over the paperboard raw edge surface, and is flame sealed to the inside polar polymer layer, to seal the paperboard raw edge surface. The sealed edge surface is then flame sealed to the inside of the opposite paperboard surface, thereby creating an additional inside-outside flame seal. By such a process only inside-outside seals are formed or polar-covalent seals.

REFERENCES:
patent: 2190479 (1940-02-01), Moore
patent: 3067923 (1962-12-01), Thiets
patent: 3197112 (1965-07-01), Meyer-Jagenberg
patent: 3411694 (1968-11-01), Silver
patent: 3495507 (1970-02-01), Haas et al.
patent: 3604317 (1971-09-01), Baun
patent: 3654842 (1972-04-01), Schwenk
patent: 3846220 (1974-11-01), Buchner
patent: 3942708 (1976-03-01), Christensson
patent: 4192446 (1980-03-01), Naito
patent: 4239150 (1980-12-01), Schadowski et al.
patent: 4540391 (1985-09-01), Fries, Jr.
patent: 4572426 (1986-02-01), Lisiecki
patent: 4617211 (1986-10-01), Fries, Jr.
patent: 4701360 (1987-10-01), Gibbons et al.
patent: 4708708 (1987-11-01), Fries, Jr.
patent: 4802620 (1989-02-01), Phillips
patent: 5021040 (1991-06-01), Phillips

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