Title:
CORRUGATED CARDBOARD MATERIAL, AND CORRUGATED CARDBOARD BOX USING THE SAME
Document Type and Number:
Japanese Patent JP2021062614
Kind Code:
A
Abstract:
To achieve both suppression of deflection and securement of feed property.SOLUTION: A bellows-folded corrugated cardboard material 1 is prepared so that rectangular sheets 2 in a continuous corrugated cardboard are folded back to a second direction MD in respective folding lines F linearly extending in a first direction CD, and the sheets 2 are stacked in a third direction TD. In the cardboard material 1, the plurality of folding lines F includes an OK folding line Fb having a form obtained by folding the sheet 2 over only one peak of a plurality of peaks composing corrugation 10 of the corrugated cardboard, and an NG folding line FB having a form obtained by folding the sheet 2 over two or more peaks. The rate of the NG folding lines FB in all folding lines F is 0.5% or more and 13% or less.SELECTED DRAWING: Figure 5
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Inventors:
SHIODA SHUNSUKE
SATO SO
KAWANAMI HISAO
SHIONO JUN
BANZASHI GO
KOSEKI YOSHIKI
SATO SO
KAWANAMI HISAO
SHIONO JUN
BANZASHI GO
KOSEKI YOSHIKI
Application Number:
JP2020170027A
Publication Date:
April 22, 2021
Filing Date:
October 07, 2020
Export Citation:
Assignee:
OJI HOLDINGS CORP
International Classes:
B32B3/28
Domestic Patent References:
| JP2019514727A | 2019-06-06 |
Foreign References:
| US20040224828A1 | 2004-11-11 | |||
| US3039372A | 1962-06-19 | |||
| WO2017138413A1 | 2017-08-17 |
Attorney, Agent or Firm:
Yu Sanada