Title:
LIQUID BLOW MOLDING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/106955
Kind Code:
A1
Abstract:
This liquid blow molding method for molding, into a liquid-containing container (C) having a prescribed shape, a synthetic resin-made preform (2) having a spout (2a), is characterized by comprising: an air-liquid replacement step for discharging air in the preform (2) to the outside while supplying a liquid (L) into the preform (2) from the spout (2a) through a blow nozzle (23); an air-liquid separation step for separating the air from the liquid (L) in the preform (2) by rotating the preform (2) about the axis of the spout (2a); and a blow molding step for, after performing the air-liquid separation step, molding the preform (2) into a container having the prescribed shape by supplying the pressurized liquid (L) into the preform (2) from the spout (2a) through the blow nozzle (23).
Inventors:
SHIOKAWA MITSURU (JP)
OKUYAMA YUICHI (JP)
OKUYAMA YUICHI (JP)
Application Number:
PCT/JP2018/037104
Publication Date:
June 06, 2019
Filing Date:
October 03, 2018
Export Citation:
Assignee:
YOSHINO KOGYOSHO CO LTD (JP)
International Classes:
B29C49/46
Domestic Patent References:
| WO2018079012A1 | 2018-05-03 | |||
| WO2018198449A1 | 2018-11-01 |
Foreign References:
| JP2015506288A | 2015-03-02 | |||
| JP2016210037A | 2016-12-15 | |||
| JP2016537227A | 2016-12-01 | |||
| JP2000043129A | 2000-02-15 | |||
| JPS586929B2 | 1983-02-07 |
Other References:
See also references of EP 3718740A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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