Title:
BACKUP BOARD, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/172406
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a backup board that is inexpensive and can be cycled. As a means for solving the problem, provided is a backup board having two or more paper substrates, and an adhesive layer that is formed from a water-soluble adhesive and bonds the paper substrates, the backup board being such that the hardness as measured by a type-D durometer in conformance with JIS K6253 is 75 or higher.
Inventors:
HOSHINO AKIO (JP)
TSUNODA HIROSUKE (JP)
YOSHIDA YOSHIO (JP)
TSUNODA HIROSUKE (JP)
YOSHIDA YOSHIO (JP)
Application Number:
PCT/JP2021/007023
Publication Date:
September 02, 2021
Filing Date:
February 25, 2021
Export Citation:
Assignee:
JUJO PAPER CO LTD (JP)
International Classes:
B26F1/16; B23B41/00; B24B41/06; D21H19/10
Foreign References:
| JP2009004430A | 2009-01-08 | |||
| JP2009158724A | 2009-07-16 | |||
| KR101021489B1 | 2011-03-16 | |||
| US5716168A | 1998-02-10 |
Attorney, Agent or Firm:
YAMADA, Yasuyuki et al. (JP)
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