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Title:
INJECTION MOLDING METHOD AND DEVICE
Document Type and Number:
Japanese Patent JP3477414
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an injection molding method and device which prevent a metering defect and shorten molding time.
SOLUTION: This device has a metering and transferring means(6) consisting of a metering cylinder (3) which is supplied with raw material chips (1) from its one end, a metering screw (4) which is disposed in the metering cylinder (3) and meters and transfers the raw material chips (1) and a preheating means (5) which preheats the raw material chips (1) and a melting and injecting means (10) consisting of an injection cylinder (7) which is connected to the other end of the metering cylinder (3), an injection piston (8) which is disposed in the injection cylinder (7) and moves back and forth within the injection cylinder (7) and a high-speed heating means (9) which is mounted at the injection cylinder (7) and heats the raw material chips (1) at a high speed.


Inventors:
Kengo Takeya
Application Number:
JP2000009469A
Publication Date:
December 10, 2003
Filing Date:
January 18, 2000
Export Citation:
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Assignee:
Japan Steel Works, Ltd.
International Classes:
B22D17/30; (IPC1-7): B22D17/30
Domestic Patent References:
JP11254119A
JP11156521A
JP60178015A
JP2001150124A
JP2000141016A
Other References:
【文献】国際公開99/050007(WO,A1)
Attorney, Agent or Firm:
Hisako Ishido (3 outside)