Title:
DOUBLE-LAYERED CONTAINER
Document Type and Number:
WIPO Patent Application WO/2020/158127
Kind Code:
A1
Abstract:
Disclosed is a double-layered container (1) comprising an outer layer body (2) and an inner layer body (3) that includes a polyester-based resin as a main material, and being formed by biaxial stretch blow molding, the double-layered container comprising a mouth part (4), a curved shoulder part (5) that is contiguous to the lower end of the mouth part (4), has a diameter gradually increasing toward the lower side and protrudes outward over the up-down direction in a vertical cross section, a trunk part (6) that is contiguous to the lower end of the shoulder part (5), and a bottom part (7) that closes the lower end of the trunk part (6), wherein: the mouth part (4) includes an outside air inlet (13) that introduces outside air between the outer layer body (2) and the inner layer body (3); and shoulder ribs (8) are provided so as to extend at least from the upper end of the shoulder part (5) to the lower end of the shoulder part (5), the shoulder ribs having a recessed or protruding shape as viewed from outside.
Inventors:
SASAKI MASAAKI (JP)
Application Number:
PCT/JP2019/045856
Publication Date:
August 06, 2020
Filing Date:
November 22, 2019
Export Citation:
Assignee:
YOSHINO KOGYOSHO CO LTD (JP)
International Classes:
B65D1/02
Foreign References:
| JP2018188183A | 2018-11-29 | |||
| JP2017202853A | 2017-11-16 | |||
| JP2000062745A | 2000-02-29 | |||
| JP2018087036A | 2018-06-07 | |||
| JP2017196822A | 2017-11-02 | |||
| JP2017178434A | 2017-10-05 |
Other References:
See also references of EP 3919398A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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