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Title:
HOT-RUNNER DEVICE, METHOD FOR BRANCHING MOLTEN RESIN IN HOT-RUNNER DEVICE, AND INJECTION STRETCH BLOW MOLDING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/250641
Kind Code:
A1
Abstract:
According to the present invention, while a molten resin can be fed from a hot-runner device such that a high-temperature and low-viscosity resin is not unevenly distributed, a preform in which the high-temperature and low-viscosity resin is not unevenly distributed in the circumferential direction is injection molded into a preform molding portion of an injection molding mold. An introduction runner portion 18 of a hot-runner device 9 is bent toward a transverse runner portion 15 after reaching a vertical plane A that passes through the position of the transverse runner portion 15 in the vertical direction, and the introduction runner portion 18 is connected, in the vertical plane A, to a portion midway along the transverse runner portion 15.

Inventors:
MATSUZAWA MOTOHIRO (JP)
Application Number:
JP2020/020222
Publication Date:
December 17, 2020
Filing Date:
May 22, 2020
Export Citation:
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Assignee:
AOKI TECHNICAL LABORATORY INC (JP)
International Classes:
B29C45/27; B29C49/06; B29C49/42
Domestic Patent References:
WO2014050768A12014-04-03
Foreign References:
JP2000094491A2000-04-04
JPH0890608A1996-04-09
CN203712982U2014-07-16
JPH03142220A1991-06-18
JPS63239022A1988-10-05
JPH06182815A1994-07-05
Attorney, Agent or Firm:
AKIMOTO Teruo et al. (Minato-ku Tokyo, 62, JP)
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