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Patent Searching and Data


Title:
PROCESSING BASE PAPER, PAPER CONTAINER SHEET, AND PAPER CONTAINER
Document Type and Number:
WIPO Patent Application WO/2021/132429
Kind Code:
A1
Abstract:
Provided are a processing base paper and a paper container sheet with which it is possible to suppress generation of product flaws even when bending processing that tends to create product flaws due to stress during processing is performed. Also provided are a paper container using the processing base paper and a paper container using the paper container sheet. The present invention relates to a processing base paper based on cellulose pulp and having a maximum bending stress of no greater than 215 N/m within a range of bending angles from 0 to 90° in at least one direction. The present invention also relates to a paper container sheet comprising the processing base paper.

Inventors:
TSUCHIMOTO MASAKAZU (JP)
ISHIKAWA YUMIKO (JP)
HIRANO HIRONOBU (JP)
Application Number:
PCT/JP2020/048352
Publication Date:
July 01, 2021
Filing Date:
December 24, 2020
Export Citation:
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Assignee:
OJI HOLDINGS CORP (JP)
International Classes:
B32B27/00; B32B27/10; B32B29/00; B65D3/00; B65D5/42; B65D65/40; D21H27/00
Foreign References:
JP2012158854A2012-08-23
JP2019127670A2019-08-01
JP2012219381A2012-11-12
JP2020196959A2020-12-10
JP2020143400A2020-09-10
JP2020104309A2020-07-09
JP2020062852A2020-04-23
Attorney, Agent or Firm:
SIKs & Co. (JP)
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