Title:
CAP AND TUBE CONTAINER INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2023/163173
Kind Code:
A1
Abstract:
The present invention provides a cap attached to a mouth part of a container such as a tube, the cap being mainly composed of a paper molded article and adaptable to a reduction target of a disposable plastic article. This cap (10) is provided with a plastic molded article (30) molded by plastic and a paper molded article (40) molded using a biomass material that is a paper as a main material and bonded to the plastic molded article (30), and is detachably attached to a mouth part (21) of a container (20). The ratio of the material of the paper molded article (40) to the material of the whole cap (10) is more than 50% by mass. The plastic molded article (30) is provided with a lid part (50) for opening and closing the mouth part (21) and a bonding part (60) for bonding the paper molded article (40). The paper molded article (40) is provided with a bonded part (69) bonded to the bonding part (60) and a cylindrical part (70) extending from the bonded part (69).
Inventors:
SAITO TAKESHI (JP)
IWATA SATOSHI (JP)
IWATA SATOSHI (JP)
Application Number:
PCT/JP2023/007067
Publication Date:
August 31, 2023
Filing Date:
February 27, 2023
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B29C65/08; B65D35/02; B65D35/44; B65D41/04; B29L23/20
Foreign References:
| JPH0340967U | 1991-04-19 | |||
| US6425492B1 | 2002-07-30 | |||
| JP2021041934A | 2021-03-18 | |||
| JP2021155050A | 2021-10-07 | |||
| JPS4214960Y1 | 1967-08-25 | |||
| US20130240531A1 | 2013-09-19 |
Attorney, Agent or Firm:
HIROSE Hajime et al. (JP)
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