Metal founding – Means to shape metallic material – Pressure shaping means
Reexamination Certificate
2007-07-24
2007-07-24
Kerns, Kevin (Department: 1725)
Metal founding
Means to shape metallic material
Pressure shaping means
C164S339000, C164S256000, C164S257000, C164S258000, C164S493000, C164S513000, C164S316000
Reexamination Certificate
active
11159816
ABSTRACT:
A diecast machine comprises: a sleeve extending in the vertical direction; a plunger moving upward in the vertical direction inside the sleeve; a mold disposed above an upper side of the sleeve; a case member constituted of a nonconductive member, which covers at least a lower end of the sleeve and forms a closed space including the lower end of the sleeve; a communicating pipe connecting the inside of the closed space to the outside of the closed space; and high-frequency induction coil configured to heat metal material disposed on the plunger from the outside of the case member and melt the metal material.
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Inoue Akihisa
Kimura Hisamichi
Muramatsu Naokuni
Burr & Brown
Lin I.-H.
NGK Insulators Ltd.
Tohoku University
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