Title:
PREFORM ASSEMBLY, DOUBLE WALL LIQUID CONTAINER, AND METHOD FOR MANUFACTURING DOUBLE WALL LIQUID CONTAINER
Document Type and Number:
WIPO Patent Application WO/2020/195688
Kind Code:
A1
Abstract:
A preform assembly (40) comprises: an outer preform (50) provided with an outer mouth portion (51) and a stretched portion (53) connected to the outer mouth portion (51), the inner surface of the stretched portion (53) being provided with a recess (71) extending in the up-down direction; and an inner preform (60) provided with an inner mouth portion (61) and a stretched portion (63) connected to the inner mouth portion (61). The preform assembly (40) is characterized in that an outside air introduction port (52) communicating between the outer preform (50) and the inner preform (60) is provided in an mouth portion (72) configured of the outer mouth portion (51) and the inner mouth portion (61) arranged on the inner side of the outer mouth portion (51).
Inventors:
SUZUKI TAKANORI (JP)
JONO OSAMU (JP)
JONO OSAMU (JP)
Application Number:
PCT/JP2020/009504
Publication Date:
October 01, 2020
Filing Date:
March 05, 2020
Export Citation:
Assignee:
YOSHINO KOGYOSHO CO LTD (JP)
International Classes:
B29B11/04; B29B11/06; B29C49/02; B29C49/22; B65D1/02
Foreign References:
| JP2018083657A | 2018-05-31 | |||
| JP2005047593A | 2005-02-24 | |||
| JP2005053513A | 2005-03-03 | |||
| JP2018188183A | 2018-11-29 | |||
| JP2019202808A | 2019-11-28 | |||
| JP2019119476A | 2019-07-22 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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