Title:
PAPER CONTAINER
Document Type and Number:
Japanese Patent JP2020142839
Kind Code:
A
Abstract:
To obtain a paper container with excellent designability, by reducing a repulsive force against bending of a flap, suppressing swelling of the paper container and warpage of a flap, enabling efficient and smooth storage and transportation work.SOLUTION: A first virtual line L1 connecting the upper ends 9a and 9b of a trunk part vertical folding line 9 on both sides of the trunk part left and right side panels 6 and 8 with a straight line and a second virtual line L2 orthogonal to the first virtual line L1 extending from a midpoint 23 as a starting point of a second top seal horizontal folding line 20 to a carton blanks 4 forming the paper container are set. A virtual point P is set at a position below the first virtual line L1 on the second virtual line L2. A second top horizontal folding line 14 is formed into a curve that passes through the virtual point P and connects the upper ends 9a and 9b of the trunk part vertical folding line 9 on both sides of the trunk part left and right side panels 6 and 8.SELECTED DRAWING: Figure 1
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Inventors:
NAKAMURA TAKAYA
YONEDA YOSHITAKA
ASOI EIICHI
YONEDA YOSHITAKA
ASOI EIICHI
Application Number:
JP2019042076A
Publication Date:
September 10, 2020
Filing Date:
March 07, 2019
Export Citation:
Assignee:
JUJO PAPER CO LTD
International Classes:
B65D5/42; B65D5/40
Domestic Patent References:
| JPH0318330Y2 | 1991-04-18 | |||
| JPS6359811U | 1988-04-21 | |||
| JP3101324B2 | 2000-10-23 | |||
| JPH0330261Y2 | 1991-06-26 | |||
| JP2007099391A | 2007-04-19 | |||
| JPH1072028A | 1998-03-17 | |||
| JP2017013860A | 2017-01-19 | |||
| JP2017114560A | 2017-06-29 | |||
| JPH09142441A | 1997-06-03 | |||
| JPS465984B1 | ||||
| JPS53146642U | 1978-11-18 |
Foreign References:
| FR2731204A1 | 1996-09-06 |
Attorney, Agent or Firm:
Akihiro Otsuka
Koichi Kawashima
Tadashi Otsuka
Koichi Kawashima
Tadashi Otsuka