Title:
CARDBOARD MATERIAL, PACKAGING BAG AND PACKAGING-BAG SHEET
Document Type and Number:
WIPO Patent Application WO/2021/107128
Kind Code:
A1
Abstract:
Provided is a cardboard material (100) using double-sided cardboard in which liners (100a, 100b) are bonded to both sides of a center core (100c). In a state in which pretreatment has been applied to the cardboard material (100) for 24 hours or more under the conditions of a temperature of 23 [°C] and a humidity of 50 [%] in accordance with JIS Z 0203:2000, the basis weight of the liners (100a, 100b) is 90 [g/m2] or less, and the basis weight of the center core is 150 [g/m2] or less.
Inventors:
SANADA SHOHEI (JP)
SHIODA SHUNSUKE (JP)
SATO SO (JP)
KAWANAMI YUSEI (JP)
BANZASHI GO (JP)
KOSEKI YOSHIKI (JP)
HIRAYAMA YOSHIKO (JP)
SHIODA SHUNSUKE (JP)
SATO SO (JP)
KAWANAMI YUSEI (JP)
BANZASHI GO (JP)
KOSEKI YOSHIKI (JP)
HIRAYAMA YOSHIKO (JP)
Application Number:
PCT/JP2020/044325
Publication Date:
June 03, 2021
Filing Date:
November 27, 2020
Export Citation:
Assignee:
OJI HOLDINGS CORP (JP)
International Classes:
B65D65/02; B32B3/28; B65D27/00
Domestic Patent References:
| WO2017208845A1 | 2017-12-07 |
Foreign References:
| JP2006143221A | 2006-06-08 | |||
| JPS6435841U | 1989-03-03 | |||
| JPH0445233U | 1992-04-16 | |||
| JPS5439223U | 1979-03-15 |
Attorney, Agent or Firm:
SANADA, Tamotsu (JP)
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