Apparatus for the manufacture of light granulates

Details Apparatus for the manufacture of light granulates Apparatus for the manufacture of light granulates

1975-02-11

1976-09-07

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Means making particulate material directly from liquid or...

160DIG1, 264 43, B29C 2300

Patent

active

039791688

ABSTRACT:
An expanded granular material, particularly intended as a lightweight aggregate for concrete, is produced by melting a finely ground fusible silico-aluminous material, such as fly ash, in the presence of a controlled atmosphere intended to inhibit the liberation of gases coming from the silico-aluminous material, and then forming the melt into drops and cooling under conditions to permit gases to escape from the material thereby causing is expansion.

REFERENCES:
patent: 1647194 (1927-11-01), Poindexter, Jr. et al.
patent: 2790019 (1957-04-01), Stalego
patent: 2932062 (1960-04-01), Speakman et al.
patent: 2948948 (1960-08-01), Duplin, Jr. et al.
patent: 3001228 (1961-09-01), Nack
patent: 3328180 (1967-06-01), Ban
patent: 3439633 (1969-04-01), Pawlak et al.

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