Folding cartons for liquids

Details Folding cartons for liquids Folding cartons for liquids

1978-12-04

1980-12-16

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 48T, B65D 542

Patent

active

042391504

ABSTRACT:
In a carton for liquids folded from a sheet of packaging material wherein the carton has a lapped seam with a protected edge, the improvement which comprises providing the protected edge with a wedge-like tapered profile, whereby the thickness of the sheet material is reduced along the protected edge. The sheet material carries a thicker protective coating on the inside of the carton and a thinner coating on the outside. The seams are lapped by various configurations of the wedge, depending upon which face is undercut.

REFERENCES:
patent: 2333330 (1943-11-01), Moore
patent: 2550520 (1951-04-01), Bennett
patent: 3092248 (1963-06-01), Lane et al.
patent: 3093287 (1963-06-01), Stark
patent: 3099378 (1963-07-01), Schroeder
patent: 3307738 (1967-03-01), Scheindel
patent: 3495507 (1970-02-01), Haas et al.
patent: 3604613 (1971-09-01), Haas et al.
patent: 3942708 (1976-03-01), Christensson

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