Envelope construction

Envelopes – wrappers – and paperboard boxes – Envelope – Having means to facilitate opening the envelope by severing it

Patent

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Details

B65D 2738

Patent

active

061232564

ABSTRACT:
An improved envelope construction comprises in general an envelope unit, a sealing unit, and a tear strip unit. The envelope unit comprises an envelope body member having a flap portion with a central segment provided with the sealing unit and two generally triangular end segments separated from the central segment by strips of perforations. The sealing unit and the tear strip unit are operatively disposed on the flap portion. The tear strip unit extends across and has a length that can project beyond the flap portions. The opposite ends of the tear strip member are provided with globular elements to facilitate the user's grasp of a selected end of the tear strip to open the envelope.

REFERENCES:
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patent: 3104048 (1963-09-01), Lemiesz
patent: 3178097 (1965-04-01), Topetchy
patent: 3370782 (1968-02-01), Hickman
patent: 3392908 (1968-07-01), Shelley et al.
patent: 3655120 (1972-04-01), Stern
patent: 4781296 (1988-11-01), Morris et al.
patent: 4795035 (1989-01-01), Kim
patent: 5505376 (1996-04-01), Kent et al.

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