Gas concrete mold runner and method of use

Details Gas concrete mold runner and method of use Gas concrete mold runner and method of use

1978-04-20

1981-02-17

Spruill, R. L.

Metal founding

Process

Shaping liquid metal against a forming surface

106 383, 164 33, 164 41, 164349, B22C 102, B22C 908

Patent

active

042509475

ABSTRACT:
A method and an apparatus is provided for casting molten metallic materials through runners in the form of casting gates, flow-through tubes, feeders, rising gates and the like. The method basically comprises casting the molten metals through runners defined by bodies of porous calcium hydro-silicate such as gas concrete. A filler, such as quartz, may be used. The runner bodies are formed of gas concrete and provided with a moisture ratio of 3 to 30% so as to afford progressive evaporation of the moisture during casting to thereby produce a cooling effect on the runner walls. The runner bodies can be reinforced.

REFERENCES:
patent: 3099052 (1963-07-01), Suzuki et al.

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