Envelopes – wrappers – and paperboard boxes – Envelope
Patent
1996-06-21
1998-01-13
Pascua, Jes F.
Envelopes, wrappers, and paperboard boxes
Envelope
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.
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patent: 5113555 (1992-05-01), Wilson et al.
Goto Masahiro
Inoue Takahiro
Miyamoto Toshio
Suwa Koichi
Canon Kabushiki Kaisha
Pascua Jes F.
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