Title:
ENVELOPE PAPER AND MANUFACTURING METHOD OF ENVELOPE PAPER
Document Type and Number:
Japanese Patent JP2018188155
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an envelope paper with good adhesive strength, even with less irregularity on the surface.SOLUTION: The envelope paper has pressure sensitive adhesive coated areas 101 and 103 in which pressure sensitive adhesive coated parts 119 and 121 with pressure sensitive adhesive coated thereon is included. The enclosing and sealing device seals the envelope paper by folding the envelope paper with the pressure sensitive adhesive coated parts 119 and 121 facing inward in a state in which the content is enclosed, and sealing the envelope paper by pressing the pressure sensitive adhesive coated parts 119 and 121. There are concavities arranged on the surface of the pressure sensitive adhesive coated area 101 and 103.SELECTED DRAWING: Figure 2
Inventors:
NIO TSUTOMU
ISHIDA TATSUYA
ISHIDA TATSUYA
Application Number:
JP2017089457A
Publication Date:
November 29, 2018
Filing Date:
April 28, 2017
Export Citation:
Assignee:
RISO KAGAKU CORP
International Classes:
B65D27/16; B31B70/64; B42D15/08; B43M5/04; B65H37/04
Domestic Patent References:
| JPS51138425U | 1976-11-08 | |||
| JP2004017644A | 2004-01-22 | |||
| JP2017007316A | 2017-01-12 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Shunichi Takahashi
Masakazu Ito
Shunichi Takahashi
Masakazu Ito