Metal founding – Process – Shaping liquid metal against a forming surface
Reexamination Certificate
2005-03-31
2008-11-18
Lin, Kuang (Department: 1793)
Metal founding
Process
Shaping liquid metal against a forming surface
C164S335000, C164S900000
Reexamination Certificate
active
07451805
ABSTRACT:
A pouring apparatus for molten metal includes a stirrer installed in a reservoir. The stirrer is rotated by a rotational drive mechanism installed on the reservoir. Molten solder is placed into the reservoir, high melting point metal particles are charged into the molten solder, stirring is performed with the stirrer to uniformly disperse the metal particles in the molten solder, and then the molten solder and dispersed metal particles are cast into a mold. Casting can be performed quickly after charging the metal particles into the molten solder, so the metal particles do not significantly melt into the molten solder.
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Chi-Won Hwang et al: “Joint reliability and high temperature stability of Sn-Ag-Bi lead-free solder with Cu and Sn-Pb/Ni/Cu substrates”, published in Materials Science & Engineering a (Structural Materials: Properties, Microstructure and Processing), vol. A373, No. 1-2 (May 25, 2004), pp. 187-194, XP-002427195.
Lin Kuang
Senju Metal Industry Co. Ltd.
Tobias Michael
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