Magnetic suspension melting apparatus

Metal founding – Means to directly apply electrical or wave energy to work – Induction coil means

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Details

164493, B22D 2702, H05B 600

Patent

active

052752291

ABSTRACT:
Apparatus for inductively melting a quantity of metal without a container includes a first induction coil having a plurality of turns defining a volume for receiving a quantity of metal, the first induction coil being adapted to exert a force on the metal, a second induction coil having a plurality of turns at substantially right angles to the turns of the first induction coil, the second induction coil, being disposed within said volume coaxial with the first induction coil. Both the first and second induction coils have connectors thereon for connecting the coils to at least one power supply for energizing the first and second induction coils. A support is provided for supporting the metal from below, and has an opening through it. The support includes a raised segmented rim around substantially its entire periphery. The support is maintained at a preselected temperature. In an alternate embodiment, structure is also provided for imparting rotational motion to the support.

REFERENCES:
patent: 4215738 (1980-08-01), Gaule et al.
patent: 4432093 (1984-02-01), Reboux
patent: 4989666 (1991-02-01), Weber
patent: 5014769 (1991-05-01), El-Kaddah et al.
patent: 5033948 (1991-07-01), El-Kaddah et al.

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