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Title:
LIQUID BLOW MOLDING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/042807
Kind Code:
A1
Abstract:
Provided is a liquid blow molding method characterized by including: a preliminary pressurizing step for preliminarily pressurizing a liquid (L) which is between the pressurized supply source (30) and a blow nozzle (23) by causing a pressurized supply source (30) to operate; an operation condition setting step for setting operating conditions of the pressurized supply source (30) on the basis of data obtained by the preliminary pressurizing step; a blow molding step for liquid blow molding a preform (2) into a container of a prescribed shape; and a suck-back step for sucking back the liquid (L) into the blow nozzle (23) from the inside of the container molded into the prescribed shape in the blow molding step, by causing the pressurized supply source (30) to operate in the reverse direction under the operating conditions set by the operation condition setting step.

Inventors:
OKUYAMA Yuichi (FUNDAMENTAL TECHNOLOGY & RESEARCH CENTER, 380, Sannomiy, Isehara-shi Kanagawa 03, 〒2591103, JP)
SUYAMA Kenichi (KANAGAWA TECHNICAL CENTER, 380, Sannomiy, Isehara-shi Kanagawa 03, 〒2591103, JP)
Application Number:
JP2017/021176
Publication Date:
March 08, 2018
Filing Date:
June 07, 2017
Export Citation:
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Assignee:
YOSHINO KOGYOSHO CO., LTD. (2-6 Ojima 3-chome, Koto-ku Tokyo, 31, 〒1368531, JP)
International Classes:
B29C49/46
Domestic Patent References:
WO2015114705A12015-08-06
WO2014049930A12014-04-03
WO2016017153A12016-02-04
WO2015197846A12015-12-30
WO2015136369A22015-09-17
Foreign References:
US20150314518A12015-11-05
JP2004093485A2004-03-25
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 〒1000013, JP)
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