Molten metal pouring device

Details Molten metal pouring device Molten metal pouring device

1985-05-21

1987-09-01

Godici, Nicholas P.

Metal founding

Means to shape metallic material

Pressure shaping means

164342, 425574, 425586, B22D 1712

Patent

active

046901973

ABSTRACT:
A molten metal pouring device of the type having a stationary cover die and a movable rejector die which, when joined and held securely together in the horizontal direction, define a die cavity, a reduced-diameter restricted portion in communication with the bottom of the die cavity and an enlarged-diameter vertical bore in communication with the lower end of the reduced-diameter restricted portion; a vertical pouring sleeve for containing molten metal to be forced into the die cavity; and a plunger capable of vertically reciprocating in the vertical pouring sleeve to force the molten metal into said die cavity, characterized in that a stepped portion is formed in the inner wall surface surrounding the vertical bore.

REFERENCES:
patent: 3826302 (1974-07-01), Wunder
patent: 4287935 (1981-08-01), Ueno et al.

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