Society of Glass Technology · [Sheffield] · leaf 638
hrough springs, 610, ft11. Com-pressed air for operating the pneumatic gear is controlled bycam-operated slide valves, /. H. G. C. 358. Press and Blow Machines. W. J. Miller, Swissvale,Pa., U.S.A. (Brit. Pat., No. 156569, September 24th, 1920. Con-vention date, January 5th. Not yet… … Fig. 160. The molten metal flows continuously from an orifice, 194, and iscut off by shears, 195, into charges which fall through a funnel, 135,into the mould, /. Suction is applied to the top of a piston, 112,which carries the plunger, 113. This raises the plunger and alsodraws down the charge…
Glass
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