Metal founding – Process – Shaping liquid metal against a forming surface
Reexamination Certificate
2006-04-04
2006-04-04
Kerns, Kevin (Department: 1725)
Metal founding
Process
Shaping liquid metal against a forming surface
C164S336000, C222S590000, C222S629000
Reexamination Certificate
active
07021361
ABSTRACT:
A molten metal feed apparatus of a die casting machine preventing shortening of the lifetime of a sleeve due to local heating of the sleeve, provided with a ladle having a receptacle for holding the molten metal and a conveyor system for conveying the ladle to a predetermined feed position of the sleeve of the die casting machine and tilting the ladle to pour the scooped up molten metal into the sleeve, wherein the position of a front end of a pouring spout of the ladle with respect to the sleeve is changed in accordance with a change in posture of the ladle while pouring the molten metal into the sleeve.
REFERENCES:
patent: 3672440 (1972-06-01), Miura et al.
patent: 4078707 (1978-03-01), Ishikawa
patent: 5011120 (1991-04-01), Bear
patent: 5381855 (1995-01-01), Mezger
patent: 6779585 (2004-08-01), Zumberger et al.
Hara Kazuya
Oonuma Isamu
Kerns Kevin
Lin I.-H.
Pillsbury Winthrop Shaw & Pittman LLP
Toshiba Kikai Kabushiki Kaisha
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