Quick opening envelope

Details Quick opening envelope Quick opening envelope

1983-12-12

1984-09-11

Garbe, Stephen P.

Special receptacle or package

With pallet feature

Knockdown or collapsible type

206628, B65D 2734, B65D 2736

Patent

active

044705115

ABSTRACT:
A quick opening envelope which gives full access to its interior upon opening is disclosed. The envelope is formed from a blank constructed from a single sheet of flexible material having a plurality of fold lines defining a front panel, a back panel, two side flaps and a closure flap. The back panel is provided with a V-shaped array of die cut perforations, each of which includes an arc portion and a tangent portion. The V-shaped array of perforations enables neat and easy opening of the envelope.

REFERENCES:
patent: 1306224 (1919-06-01), Godley
patent: 1336646 (1920-04-01), Mendenhall
patent: 2112816 (1938-03-01), Rulon
patent: 3652008 (1972-03-01), Grotefend

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