Society of Glass Technology · [Sheffield] · leaf 458
g-ram whilein the vertical positionwith the blank-hold-ing means 12 upwards.The blank is blowninto hollow form whilethe spindle is rotatedthrough pinions 28,27 and bevel wheels25, 24 from a shaft21 rotated through aworm gear and rackfrom a stationary camas the support rotates.The spindle is… … Fig. 22. 80 JOURNAL 0¥ THE SOCIETY OF GLASS TECHNOLOGY. by a slatiouary cam. The spiudie is then recijjrocated longitudin-ally to elongate the blank 55 by a bell-crank lever 45 having aforked arm 46 with rollers 48 engaging a grooved collar 49 onthe spindle and adapted to bear against a stop-nut…
Glass
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