Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Patent
1992-02-27
1993-10-05
Kastler, Scott
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
266237, B22D 3902
Patent
active
052501035
ABSTRACT:
An automatic molten metal supplying device and supplying method capable of promoting discharge of molten metal retained in a ladle during pouring into an injection sleeve of a die-casting machine, and capable of preventing a residual molten metal from being suspended from the intake/discharge port. A ladle is selectively communicatable with an atmosphere by the opening/closing unit. The opening/closing unit is connected to a molten metal pressurizing mechanism 20 and a residual molten metal removing mechanism 30 through pipes. At the time of pouring, small volume or low pressure fluid is introduced into the ladle by means of the molten metal pressurizing mechanism through the opening/closing unit. After completion of the pouring, large volume or high pressure fluid is introduced into the ladle by the residual molten metal removing mechanism. Since low volume or low pressure fluid is applied into the ladle during pouring, the molten metal can be smoothly discharged from the ladle. After the pouring, since large volume or high pressure fluid is applied into the ladle, residual molten metal in the ladle can be discharged therefrom, and no molten metal suspension from the intake-discharge port occurs. Thus, casting period can be reduced, and clean working condition can be provided.
Ishida Hitoshi
Yamauchi Noriyoshi
Kastler Scott
Ryobi Ltd.
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