Molten metal molding machine
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United States of America Patent
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N/A
Issued Date -
Aug 16, 2007
app pub date -
Feb 9, 2007
filing date -
Feb 13, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A molten metal molding machine is provided with a heating cylinder, a linear motion member for successively feeding preheated metal rods into the heating cylinder from its rear end to successively push the metal rods toward a forward end of the heating cylinder, and a heater arranged on the heating cylinder such that the metal rods are gradually molten as they move through the heating cylinder from its rear end toward its forward end. The heating cylinder, the metal rods and a cylindrical forward end portion of the linear motion member are dimensioned such that a predetermined clearance is provided between an inner circumference of the heating cylinder and an outer circumference of each of the metal rods, the cylindrical forward end portion can enter the heating cylinder, and an outer circumference of the cylindrical forward end portion is slidable relative to the inner circumference of the heating cylinder. A preheated new metal rod of a same kind as the metal rods can, therefore, be fully pushed into the heating cylinder irrespective of a fill volume into a mold.
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