Packaging

Details Packaging Packaging

1995-10-27

1997-01-21

Elkins, Gary E.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Having means to facilitate opening the box by severing box...

229207, 229242, B65D 574

Patent

active

055953409

ABSTRACT:
A fin-sealed, flat-topped, liquid-packaging carton with substantially triangular flaps of its tope end closure turned down and tacked to adjacent body panels has the horizontal part of its fin heat and pressure adhered to the top wall along approximately only that half of its length further from the triangular flap which will provide a pouring spout so that turning upwards of the spout end of the fin from its position flat against the top wall tends to pull upwards the central part of the top wall. Two score lines extending divergingly from the spout end of the top wall at respective opposite sides of the fin to respective corners of the opposite end of the top wall are thereby broken outwards rather than inwards.

REFERENCES:
patent: 3186621 (1965-06-01), Suensson
patent: 3347446 (1967-10-01), Guyer et al.
patent: 3797726 (1974-03-01), Reil
patent: 3957180 (1976-05-01), Skillman
patent: 4301927 (1981-11-01), Carlsson et al.
patent: 4327833 (1982-05-01), Kuckenbecker
patent: 4655387 (1987-04-01), Magnusson
patent: 4915236 (1990-04-01), Kamin et al.

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