Package comprising a stiff strip

Details Package comprising a stiff strip Package comprising a stiff strip

1974-12-04

1976-09-07

Price, William

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 35R, B65D 542, B65D 300

Patent

active

039790487

ABSTRACT:
A package having, for example, a parallelepipedic configuration is formed from a tube of laminated packaging material which is obtained by folding a web of the material so that opposite edge portions of the web overlap and form a longitudinally extending joint. The laminated packaging material consists of a base layer of paper or cardboard and facing layers of thermoplastic material, and the cut edge of the material which rests against the inside of the package is prevented from coming into contact with the contents of the package by application of a protective strip thereto along the joint zone, this strip being a laminate consisting of a base layer coated on both sides with a thermoplastic material which is sealed to the inside thermoplastic layer of the package. The base layer of the protective strip has a higher softening temperature than that of the inside thermoplastic layer of the packaging material.

REFERENCES:
patent: 2975955 (1961-03-01), McCurry
patent: 3147902 (1964-09-01), Miller

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