Reducible volume containers

Details Reducible volume containers Reducible volume containers

1995-09-19

1998-01-06

Elkins, Gary F.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Variable volume

229237, 229240, B65D 554

Patent

active

057045399

ABSTRACT:
A reducible volume container includes a package wall made from a laminated material having interior surface and an exterior surface, with at least one tear strip formed in the package wall. At least one layer of the laminated material is a monoaxially oriented material disposed on an inner surface of the package wall. The tear strip is defined by a pair of generally parallel frangible tear lines. Each tear line includes a linear cut formed in the exterior of the package wall. The linear cut is disposed generally parallel to the axial orientation of the axially-oriented material, and each linear cut has a depth extending only partly through the thickness of the package wall.

REFERENCES:
patent: 2490133 (1949-12-01), Inman
patent: 2969902 (1961-01-01), Cage
patent: 3539093 (1970-11-01), Massengill
patent: 4279526 (1981-07-01), McMullan
patent: 4657142 (1987-04-01), Mizoguchi et al.
patent: 4865203 (1989-09-01), Ueda
patent: 5217164 (1993-06-01), Sullivan
patent: 5234123 (1993-08-01), Layre et al.
patent: 5470016 (1995-11-01), Ljungstrom et al.

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