Method and device for separating carton layers to open a closed

Details Method and device for separating carton layers to open a closed Method and device for separating carton layers to open a closed

1975-09-02

1976-09-28

Dixson, Jr., William T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

206233, 206494, 206498, 229 51D, 221 45, B65D 554, B65D 572

Patent

active

039826856

ABSTRACT:
A wider and a narrower surface and back half-cut lines are provided adjacent to each other on a wall of a closed carton or container. Carton layers are separated from each other at the surface and back half-cut lines to thereby open the container. When the container is in a closed state, there is no perforated point passing all the way through the wall from the surface to the back or vice versa. Thus, moisture from the outside is prevented from passing into the inside of the container, and yet it is very easy to open the container.

REFERENCES:
patent: 2953293 (1960-09-01), Anderson
patent: 3019944 (1962-02-01), Nelson et al.
patent: 3021002 (1962-02-01), Guyer
patent: 3043472 (1962-07-01), Nemoede
patent: 3185578 (1965-05-01), Scharre
patent: 3186623 (1965-06-01), Guyer
patent: 3502257 (1970-03-01), Virros
patent: 3727750 (1973-04-01), Petter
patent: 3854652 (1974-12-01), Brackmann

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