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Patent Searching and Data


Title:
CARTON AND BLANK
Document Type and Number:
WIPO Patent Application WO/2021/111940
Kind Code:
A1
Abstract:
According to the present invention, each slit included in an on-ridge rupture part includes: a first cut section provided on a rupture folding line along which the on-ridge rupture part extends, and located from a downstream end which is an end on a downstream-direction side to a first bending point which is an end on an upstream-direction side; a second cut section that obliquely bends from the first bending point and roughly linearly extends to a second bending point which is on the inside of a seal-opening region and which is an end on the upstream-direction side; and a third cut section that obliquely bends from the second bending point and roughly linearly extends to an upstream end which is on the inside of a seal-opening region and which is an end on the upstream-direction side. The angle formed between the rupture folding line and the second cut section is larger than that formed between the rupture folding line and the third cut section.

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Inventors:
IWATA SHINICHI (JP)
KOUYAMA MITSURU (JP)
Application Number:
PCT/JP2020/043795
Publication Date:
June 10, 2021
Filing Date:
November 25, 2020
Export Citation:
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Assignee:
JAPAN TOBACCO INC (JP)
International Classes:
B65D5/54; B65D75/62
Foreign References:
JPH0667317A1994-03-11
JP2016098027A2016-05-30
JP2012012037A2012-01-19
JP2008174284A2008-07-31
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
Download PDF:
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