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Patent Searching and Data


Title:
BLOW MOLDING APPARATUS AND BLOW MOLDING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/114705
Kind Code:
A1
Abstract:
A blow molding apparatus for molding a bottomed cylindrical preform (PF), which is mounted in a blow molding mold (1), into a shape that conforms to the cavity (2) of the mold (1) by supplying a pressurized liquid (L) to the preform (PF) is provided with: a blow nozzle (13), which fits together with the cylindrical opening (PFb) of the preform (PF); a plunger pump (31) for supplying a pressurized liquid (L) to the preform (PF) through the blow nozzle (13); and a control unit (33) for keeping the peak pressure of the liquid (L) supplied into the preform (PF) between 3.5 MPa - 5.0 MPa during supply of the pressurized liquid (L) into the preform by changing the operating speed and operating force of the plunger pump (31).

Inventors:
SUYAMA KENICHI (JP)
SHIOKAWA MITSURU (JP)
TABATA SHINICHI (JP)
Application Number:
PCT/JP2014/005759
Publication Date:
August 06, 2015
Filing Date:
November 17, 2014
Export Citation:
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Assignee:
YOSHINO KOGYOSHO CO LTD (JP)
SUYAMA KENICHI (JP)
SHIOKAWA MITSURU (JP)
TABATA SHINICHI (JP)
International Classes:
B29C49/46
Foreign References:
JP2013541448A2013-11-14
JP2014008636A2014-01-20
JP2013208834A2013-10-10
Other References:
See also references of EP 3100844A4
Attorney, Agent or Firm:
SUGIMURA, KENJI (JP)
Kenji Sugimura (JP)
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