Society of Glass Technology · [Sheffield] · leaf 676
UFACTURE AND PROPERTIES. 193 I.—Glass-making Materials. 273. Drying Sand. A. P. Digger, Coventry (Brit. Pat. No.136379. February 17th, 1919, No. 3876).—Relates to a machinefor drying sand for use in foundries or for other purposes. Thedryer consists of a rot at able cylinder, C, the shaft, Gi, of… … Fig. 160. burners, D, or by electric coils. The casing has trunnions, A2,which rest on bearings in a standard, B, and is supported near itslower end by a crew, B*, which enables the inclination, and there-fore the rate of the flow of the sand through the cylinder, to bevaried. The moist sand is fed…
Glass
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