Title:
SCREW INJECTION DEVICE AND INJECTION MOLDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/072931
Kind Code:
A1
Abstract:
Provided is a screw injection device capable of producing a high-strength, lightweight micro-foam molded article that does not contain coarse bubbles resulting from moisture or residual monomers. In an intermediate section of a plasticizing cylinder 11 of a screw injection device 10, a vent hole 11a for discharging steam from inside the cylinder and a reinforcing agent feeding hole 11b for feeding a predetermined reinforcing agent into the cylinder are formed. A supercritical fluid feeding hole 11c for feeding a predetermined supercritical fluid into the cylinder is formed in said intermediate section closer to the tip side than the vent hole 11a and the reinforcing agent feeding hole 11b.
Inventors:
INOYA HIROYUKI (JP)
Application Number:
PCT/JP2015/080636
Publication Date:
May 04, 2017
Filing Date:
October 30, 2015
Export Citation:
Assignee:
INOYA HIROYUKI (JP)
KUSUHARA TAIEI (JP)
KUSUHARA TAIEI (JP)
International Classes:
B29C45/48
Domestic Patent References:
| WO2005030845A1 | 2005-04-07 |
Foreign References:
| JP2005272542A | 2005-10-06 |
Attorney, Agent or Firm:
NAKAI, Hiroyuki et al. (JP)
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