Metal founding – Means to shape metallic material – United particle type shaping surface
Patent
1997-12-29
1998-11-03
Lin, Kuang Y.
Metal founding
Means to shape metallic material
United particle type shaping surface
B22C 910
Patent
active
058295119
ABSTRACT:
Cores have a plurality of cavities defined by adjacent vertical side surfaces of two adjacent cores. These cavities are arranged horizontally and spaced apart along the surfaces. Providing such a plurality of cavities in the surfaces produces an increased total surface area extending in the direction where the cores mate or separate.
REFERENCES:
patent: 4989661 (1991-02-01), Erana
Harada Hisashi
Kasazaki Masayoshi
Sugimoto Kazuo
Uzaki Nagato
Lin Kuang Y.
Sintokogio Ltd.
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