Strip having a longitudinal reinforcement, its production and it

Details Strip having a longitudinal reinforcement, its production and it Strip having a longitudinal reinforcement, its production and it

1988-06-24

1990-03-06

Coan, James F.

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

53211, 53461, 53587, 493440, B65B 6100, B65B 1104

Patent

active

049054511

ABSTRACT:
The invention relates to a strip having a longitudinal reinforcement; a packaging method comprising such a strip; an installation and a machine for implementing the packaging method and a device for the production of such a strip. This flexible strip (1), which is more specifically applicable to the construction of packaging, constituted more specifically by a plastic film, of the integrally produced type, wherein it possesses at least one longitudinal zone of reinforcement (2) constituted, at least in part, by N longitudinal zones of folding (3a, 3b, 3N) of the strip (1), adjacent to one another, overlapping one another at least substantially flatly, at least in part, in a single longitudinal region of the strip (1), N being a positive integer at least equal to two.

REFERENCES:
patent: 3296986 (1967-01-01), Gansl
patent: 3917254 (1975-11-01), Watrous
patent: 4137690 (1979-02-01), Morgan
patent: 4395255 (1983-07-01), Branecky et al.
patent: 4432185 (1984-02-01), Geisinger
patent: 4534151 (1985-08-01), Schneck et al.
patent: 4565049 (1986-01-01), DeLigt et al.
patent: 4754594 (1988-07-01), Lancaster
patent: 4795417 (1989-01-01), O'Connell

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