Title:
FOLDABLE ENVELOPE
Document Type and Number:
Japanese Patent JP2019104220
Kind Code:
A
Abstract:
To provide a foldable envelope that prevents accidents such as erroneous enclosure and enables easy inside check because of being openable into a flat surface after unsealed, and extremely easy production thereof.SOLUTION: The envelope sheet S1 is comprised of two pairs of unit sheets being connected via the folding line 6 in the traverse direction, one pair of unit sheets being formed by two sheet pieces horizontally connected via the folding line 5 in the vertical direction, and is folded at the folding line 6 in the traverse direction after folded at the folding line 5 in the vertical direction. The periphery sealing around the foldable envelope is comprised of: sealing by folding at the folding line 6 in the traverse direction at the bottom edge side; sealing by a pseudo adhesive film sheet G interposed in the opposing inner faces on the right and left vertical edge sides; and peelable sealing of the pseudo adhesive film sheet G protruding from the edge sides of the sheet pieces at the upper edge side.SELECTED DRAWING: Figure 3
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Inventors:
KIMURA YOSHIKAZU
TSUCHIYA MASATO
TSUCHIYA MASATO
Application Number:
JP2017250139A
Publication Date:
June 27, 2019
Filing Date:
December 08, 2017
Export Citation:
Assignee:
KYOTO DAIICHI KAGAKU KK
International Classes:
B42D15/02; B65D27/00; B65D27/30