Envelope for use in image forming apparatus

Envelopes – wrappers – and paperboard boxes – Envelope

Patent

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Details

B65D 2700

Patent

active

057070024

ABSTRACT:
The present invention provides an envelope comprising an envelope body including a pair of sheet-shaped constructural pieces which provide a front surface and a back surface, respectively, and are connected to each other to form an opening at at least one side, and a fixing portion for preventing relative movement between the pair of sheet-shaped constructural pieces in a facial direction.

REFERENCES:
patent: 2161474 (1939-06-01), Klein
patent: 2205529 (1940-06-01), Heywood
patent: 2209601 (1940-07-01), Heywood
patent: 2601946 (1952-07-01), Heywood
patent: 2825497 (1958-03-01), Hitt
patent: 3325084 (1967-06-01), Ausnit
patent: 3510053 (1970-05-01), Focke
patent: 4802618 (1989-02-01), Seto et al.
patent: 4824261 (1989-04-01), Provost
patent: 4927271 (1990-05-01), Branson
patent: 5064071 (1991-11-01), Kerfoot, Jr.
patent: 5113555 (1992-05-01), Wilson et al.

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