Apparatus for melting hollow metal ingots during electroslag rem

Details Apparatus for melting hollow metal ingots during electroslag rem Apparatus for melting hollow metal ingots during electroslag rem

1975-07-08

1976-12-28

Vlachos, Leonidas

Metal founding

Means to apply vacuum directly to work or to hold or...

Means applying vacuum or suction directly to molten casting...

164 52, 164 85, 164274, B22D 2702

Patent

active

039995950

ABSTRACT:
An apparatus for melting hollow metal ingots during electroslag remelting of consumable electrodes has a hollow chilled mould and a mandrel for moulding the cavity of an ingot which are mounted on a bottom plate at the beginning of the ingot melting cycle. The bottom plate has at least two projections on the working surface thereof. Each projection is shaped as a tooth of a thickness equal to the amount of space between the surface of the inner wall of the chilled mould and the outer surface of the mandrel which moulds the ingot, and the height and the width of each projection are commensurable with the thickness thereof. The projections may be replaceable and may have a trapezoidal cross section. The provision of the projections on the bottom plate prevents the mandrel from being jammed with the ingot being moulded at the beginning of the melting process.

REFERENCES:
patent: 3610320 (1971-10-01), Medovar et al.
patent: 3721286 (1973-03-01), Paton et al.
patent: 3768541 (1973-10-01), Paton et al.
patent: 3834443 (1974-09-01), Ujlle

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