Metal founding – Process – Shaping liquid metal against a forming surface
Reexamination Certificate
2005-08-02
2005-08-02
Stoner, Kiley S. (Department: 1725)
Metal founding
Process
Shaping liquid metal against a forming surface
C164S440000, C148S579000
Reexamination Certificate
active
06923246
ABSTRACT:
A billet for a thixocasting process and a thixocasting process using the billet allows casting using a thixocasting process to be realized at low production cost without permeation of an oxide film to the inside of the billet in injection molding. In a billet used for a thixocasting process continuously cast by intermittently drawing out, the interval of the oscillation marks is 10 mm or less and the maximum tilt angle of the oscillation marks relative to a cross section which is at a right angle to the drawing out direction is 45° or less.
REFERENCES:
patent: 3731728 (1973-05-01), Webbere et al.
patent: 4653570 (1987-03-01), Stonecliffe et al.
patent: 4977037 (1990-12-01), Ward et al.
patent: 6136101 (2000-10-01), Sugawara et al.
Fujinaga Yasushi
Nishikawa Susumu
Tsuchiya Masayuki
Ueno Hiroaki
Ushigome Chiaki
Arent & Fox PLLC
Honda Giken Kogyo Kabushiki Kaisha
Kogi Corporation
Lin I.-H.
Stoner Kiley S.
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