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Patent Searching and Data


Title:
DUAL-STRUCTURE CONTAINER WITH INNER BAG CONTAINER HAVING EXCELLENT REGULAR CONTRACTILITY
Document Type and Number:
WIPO Patent Application WO/2019/163296
Kind Code:
A1
Abstract:
The present invention provides a dual-structure container in which contractility of an inner bag container is regulated and which effectively solves the problem that ejection of a content liquid becomes difficult as the content liquid is ejected. The present invention provides a dual-structure container which comprises an inner bag container 31 and an outer container 41 and which is obtained by simultaneous stretch blow molding according to a stack preform method using an inner bag container preform 1 and an outer container preform 3, the dual-structure container being characterized in that a barrel part 33 of the inner bag container 31 has contractility-regulating thin parts 50 extending in a band shape in an axial direction at a plurality of locations at intervals in a circumferential direction.

Inventors:
AKUZAWA, Norio (Corporate Research & Development, 22-4, Okazawa-cho, Hodogaya-ku, Yokohama-sh, Kanagawa 62, 〒2400062, JP)
ICHIKAWA, Kentarou (Corporate Research & Development, 22-4, Okazawa-cho, Hodogaya-ku, Yokohama-sh, Kanagawa 62, 〒2400062, JP)
IINO, Hiroki (Corporate Research & Development, 22-4, Okazawa-cho, Hodogaya-ku, Yokohama-sh, Kanagawa 62, 〒2400062, JP)
Application Number:
JP2018/048492
Publication Date:
August 29, 2019
Filing Date:
December 28, 2018
Export Citation:
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Assignee:
TOYO SEIKAN GROUP HOLDINGS, LTD. (18-1, Higashi-Gotanda 2-chome Shinagawa-k, Tokyo 27, 〒1418627, JP)
International Classes:
B29C49/06; B29C49/22; B65D1/02
Attorney, Agent or Firm:
ONO, Hisazumi et al. (Nishi-Shimbashi Daiichi Hoki bldg, 5-2 Nishi-Shimbashi 3-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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