Title:
METHOD AND DEVICE FOR INJECTION MOLDING OF METALLIC MOLDING PRODUCTS
Document Type and Number:
Japanese Patent JP3546154
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To provide an injection molding method of a metallic molding product, wherein an injection molding device is compact, inexpensive, and superior in dimension and weight accuracy, and metallic molding products can be molded safely under a good working circumstance at low costs.
SOLUTION: Such an injection molding device is used which is equipped with an injection plunger 10, a molten metal supplying valve 20 and a compression plunger 30 in an injection cylinder 1. A metallic raw material KG is supplied into the injection cylinder 1, and is dissolved by the heat applied from a heater under a condition that it is compressed by the compression plunger 30 in the injection cylinder 1. The metallic raw material KY dissolved by the compression plunger 30 is pressure-transferred to a measuring chamber K through the molten metal supplying valve 20. Then, a reverse flow is avoided by the molten metal supplying valve 20, and injected to molds 40, 41 by the injection plunger 10.
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Inventors:
Matsui, Shinji
Application Number:
JP1999000214553
Publication Date:
April 16, 2004
Filing Date:
July 29, 1999
Export Citation:
Assignee:
JAPAN STEEL WORKS LTD:THE
International Classes:
B22D39/02; B22D17/20; B22D17/30; B22D17/32; B22D39/00; B22D17/20; B22D17/30; B22D17/32; (IPC1-7): B22D17/20; B22D17/30; B22D17/32; B22D39/02