Society of Glass Technology · [Sheffield] · leaf 532
ver,39. The glass is drawn intothe cylinder to a level, 49, andis discharged when the valvesare reversed. A vacuum reliefvalve, 47, is arranged to pre-vent excessive exhaustion. Theoutflow synchronises with the movement of a rotary table, 42, carrying the moulds, 43. Duringthe suction stage, the… … Fig. 88. 154 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY, 212. Automatic Flowing^ Device for Feeding MoltenGlass. (1. K. Howard, U.S A. (Brit. Pat No. 120744, August 10th,1917. No. 11513).—Relates to the feeding of molten glass from tanks,furnaces, or other supply reservoirs to riiovilds, etc., and…
Glass
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