Title:
PACKAGING BAG, AND SHEET PACKAGE
Document Type and Number:
WIPO Patent Application WO/2023/188893
Kind Code:
A1
Abstract:
This packaging bag accommodates a sheet stacked body in which a plurality of sheets are stacked, wherein: the density of the sheet stacked body is at least equal to 0.09 g/cm 3 and at most equal to 0.50 g/cm 3; the packaging bag is formed from a base material including a paper component; a first coefficient of static friction of an inner surface of the base material disposed on an inside of the packaging bag is at least equal to 0.25 and at most equal to 0.5; a second coefficient of static friction of an outer surface of the base material disposed on an outside of the packaging bag is 0.3 to 0.65 inclusive; and a ratio of the first coefficient of static friction to the second coefficient of static friction is 0.5 to 0.9 inclusive.
Inventors:
SHINOHARA SHINOBU (JP)
WARASHINA SHINICHI (JP)
WARASHINA SHINICHI (JP)
Application Number:
PCT/JP2023/004890
Publication Date:
October 05, 2023
Filing Date:
February 14, 2023
Export Citation:
Assignee:
DAIO SEISHI KK (JP)
International Classes:
B65D77/00; B65D30/02; B65D33/00; B65D83/08
Foreign References:
| JP2021054512A | 2021-04-08 | |||
| JP2016190679A | 2016-11-10 | |||
| JP2004187930A | 2004-07-08 | |||
| US20180251289A1 | 2018-09-06 | |||
| JP2022166541A | 2022-11-02 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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