Title:
二重容器
Document Type and Number:
Japanese Patent JP7309266
Kind Code:
B2
Abstract:
A double container (1) has an outer layer body (2) and an inner layer body (3) mainly made of a polyester resin and is formed by biaxial stretch blow molding, and comprises: a mouth portion (4); a shoulder portion (5), gradually increasing in diameter in a downward direction, and having an outward protruding curved shape over a length in a vertical direction in a longitudinal section; a barrel portion (6) ; and a bottom portion (7) , wherein the mouth portion (4) has an outside air introduction port (13) for introducing outside air between the outer layer body (2) and the inner layer body (3), and the double container comprises a shoulder rib (8) that is concave or convex as seen from outside and at least extends from an upper end of the shoulder portion (5) to the lower end of the shoulder portion (5).
Inventors:
Masaaki Sasaki
Application Number:
JP2019015537A
Publication Date:
July 18, 2023
Filing Date:
January 31, 2019
Export Citation:
Assignee:
Yoshino Industry Co., Ltd.
International Classes:
B65D1/02
Domestic Patent References:
| JP2018188183A | ||||
| JP2017202853A | ||||
| JP2000062745A | ||||
| JP2018087036A | ||||
| JP2014046956A | ||||
| JP2017114555A | ||||
| JP2014091537A |
Foreign References:
| WO2018173748A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Kenichiro Kataoka
Mitsutsugu Sugimura
Kenichiro Kataoka