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1. (WO2017154430) LIQUID BLOW MOLDING DEVICE AND LIQUID BLOW MOLDING METHOD

Pub. No.:    WO/2017/154430    International Application No.:    PCT/JP2017/003830
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Fri Feb 03 00:59:59 CET 2017
IPC: B29C 49/46
B29C 49/12
B29C 49/78
Applicants: YOSHINO KOGYOSHO CO., LTD.
株式会社吉野工業所
OKUYAMA Yuichi
奥山 雄一
SUYAMA Kenichi
陶山 賢一
Inventors: OKUYAMA Yuichi
奥山 雄一
SUYAMA Kenichi
陶山 賢一
Title: LIQUID BLOW MOLDING DEVICE AND LIQUID BLOW MOLDING METHOD
Abstract:
Provided are a liquid blow molding device and a liquid blow molding method, the device having a configuration in which a pressurized liquid (L) is supplied to a preform (PF) mounted on a mold (1) and the preform (PF) is formed into a shape conformed to the cavity of the mold (1), wherein the device includes: a blow nozzle (13) fitted to a tubular mouth part (PFb) of the preform (PF); a plunger pump (31) that supplies the preform (PF) with the pressurized liquid through the blow nozzle (13); and a controller (33) that controls the operation of the plunger pump (31), and wherein the controller (33) controls the operation of the plunger pump (31) by positional control that causes the plunger (31b) of the plunger pump (31) to move from the original position to a prescribed final position by prescribed operation force.