Title:
CARDBOARD MATERIAL AND CARDBOARD BOX USING THE SAME
Document Type and Number:
Japanese Patent JP2020196262
Kind Code:
A
Abstract:
To suppress a rule crack and a fold of an end face.SOLUTION: In a bellows-fold cardboard material 1, rectangular sheets 2 in a continuous cardboard are folded back along respective fold lines F in a second direction MD linearly extending along a first direction CD, and are stacked along a third direction TD. In this cardboard material 1, an overlap dimension CL of thickness dimensions of sheets 20 of a pair continuing through the fold line F, at a position folded by a predetermined dimension LP from the fold line F along the second direction MD is within a predetermined thickness multiple range relative to a reference dimension TS which is a thickness dimension of one sheet 2. This thickness multiple range is a range in which the multiple of the overlap dimension CL relative to the reference dimension TS is 1.0 [time] or more and less than 3.0 [times].SELECTED DRAWING: Figure 3
Inventors:
SHIODA SHUNSUKE
YAMAGUCHI TAKAYU
BANZASHI GO
SATO SO
SANADA SHOHEI
SHIONO JUN
YAMAGUCHI TAKAYU
BANZASHI GO
SATO SO
SANADA SHOHEI
SHIONO JUN
Application Number:
JP2020093493A
Publication Date:
December 10, 2020
Filing Date:
May 28, 2020
Export Citation:
Assignee:
OJI HOLDINGS CORP
International Classes:
B31F1/08; B65H45/20
Domestic Patent References:
| JPH08169634A | 1996-07-02 | |||
| JP2003026157A | 2003-01-29 | |||
| JP2018090255A | 2018-06-14 |
Attorney, Agent or Firm:
Yu Sanada