Title:
紙箱
Document Type and Number:
Japanese Patent JP7409203
Kind Code:
B2
Abstract:
To provide a paper box with a tamper-proof function which can be opened only by breaking the paper box.SOLUTION: A right side surface plate 3, a front surface plate 2, a left side surface plate 4, and a rear surface plate 5 are continuously provided through respective folding ruled lines. On the front surface plate, an outer lid 7 and an outer lid insertion piece 7t are continuously provided through the folding ruled lines, and on the rear surface plate, an inner lid 8 and an inner lid insertion piece 8t are continuously provided through the folding ruled lines. In an upper part of the rear surface plate, an insertion hole 8h where the outer lid insertion piece is inserted is punched out, and by the insertion hole, an arrowhead-shaped protrusion 9 is formed. On the folding ruled line between the rear surface plate and the inner lid, an opening perforation A10 is formed, and on a base of the arrowhead-shaped protrusion, an opening perforation B11 is formed. By assembling a blank sheet, inserting the outer lid insertion piece into the insertion hole, and simultaneously inserting the arrowhead-shaped protrusion into a slit 7s formed on the outer lid insertion piece, the outer lid is locked doubly, and the paper box cannot be opened without cutting the opening perforations A, B.SELECTED DRAWING: Figure 1
Inventors:
Kenichi Hirata
Application Number:
JP2020066584A
Publication Date:
January 09, 2024
Filing Date:
April 02, 2020
Export Citation:
Assignee:
TOPPAN Holdings Co., Ltd.
International Classes:
B65D5/43; B65D5/54
Domestic Patent References:
| JP2011230837A | ||||
| JP5777115U | ||||
| JP11245940A | ||||
| JP2017514760A | ||||
| JP3210436U | ||||
| JP201934788A | ||||
| JP201999233A | ||||
| JP2017178343A | ||||
| JP2017132483A |
Foreign References:
| US20200017254 |
Attorney, Agent or Firm:
Hajime Hirose
Toru Miyasaka
Toru Miyasaka