Method of producing a mold open riser in mold during casting

Details Method of producing a mold open riser in mold during casting Method of producing a mold open riser in mold during casting

1994-05-31

1995-10-31

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

164 34, 164359, B22C 908

Patent

active

054621062

ABSTRACT:
A method of forming an open riser in a mold includes telescoping a heat consumable tapered plug into the upper end of a riser sleeve, which projects above the riser sleeve and cope sand level so as to be advanced into the riser sleeve during squeezing of the mold sand. The plug is vaporized or consumed by hot metal during casting, creating an open riser.

REFERENCES:
patent: 3273211 (1966-09-01), Miraldi

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