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Title:
INJECTION MOLDING DEVICE AND INJECTION MOLDING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/153589
Kind Code:
A1
Abstract:
The present invention improves the controllability of a filler injection amount and produces a molded article exhibiting higher performance. In the present invention, an injection molding device is used to produce a molded article, the injection molding device having: a cylinder 11 having a supply port 13h which is located upstream and into which resin pellets RP are supplied and a supply port 15h which is located downstream thereof and into which a filler F is supplied; a screw S disposed inside the cylinder 11; and a cutting device 15. The cutting device 15 continuously cuts a thread-like fiber (roving R) into a fixed length and injects the cut fiber pieces (filler F) into the supply port 15h.

Inventors:
UMEDA MITSUHIDE (JP)
CHIBA HIDEKI (JP)
KUNIHIRO DAISUKE (JP)
Application Number:
PCT/JP2021/032703
Publication Date:
July 21, 2022
Filing Date:
September 06, 2021
Export Citation:
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Assignee:
JAPAN STEEL WORKS LTD (JP)
International Classes:
B29C45/18; B29C45/50; B29C70/06; B29K507/04; B29K509/08
Foreign References:
JP2012511445A2012-05-24
JP3227199U2020-08-13
JPH08197581A1996-08-06
JPH08325385A1996-12-10
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (JP)
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