Die casting method

Details Die casting method Die casting method

1996-03-22

1999-11-09

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164900, B22D 1708

Patent

active

059795344

ABSTRACT:
The present invention relates to a die casting method in order to obtain aluminum alloy having high quality and excellent mechanical characteristics. Further, the present invention relates to a die casting method to produce such an aluminum alloy casting, wherein primary crystal of molten metal is substantially granulated in a casting sleeve so as to form a semi-molten status, and then filled under pressure into a die cavity and solidified, so that molten metal flow becomes laminar flow, thus making less air mixing, and casting can be made without oxides and solidified matter being filled into die cavity.

REFERENCES:
patent: 4565241 (1986-01-01), Young
patent: 4832112 (1989-05-01), Brinegar et al.
patent: 5579825 (1996-12-01), Shibata et al.
International Search Report, (including Annex), PCT/FR 92/00083, European Patent Office, Jun. 4, 1992.
Patent Abstracts of Japan, vol. 13, No. 434 (M-875), JP1166874, Jun. 30, 1989, Akio Nakano, "Casting Device For Composite Metal Product".
Patent Abstracts of Japan, JP7051827, Feb. 28, 1995, Japan Steel Works Ltd., Hida Osamu "Method and Apparatus For Producing Low Melting Point Metal Product".
Abstract, vol. 14, No. 110, (M-943) (4053), Feb. 28, 1990, Appl. No. 63-144811, NKK Corp., Hironori Yamamoto, Dec. 18, 1989, "Casting Method For Semimolten Metal".
Patent Abstracts of Japan, vol. 9, No. 319 (M-439), JP60152358, Aug. 10, 1985, Akebono Brake Kogyo KK, Arai Katsuo, "Half-Melting High Pressure Casting Method".

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