Society of Glass Technology · [Sheffield] · leaf 654
withdrawing the neck pin as shown. The pipes 154, 170 are connected to the upper and lower ends oftwo vertical cylinders, 158, adapted to raise and lower gear wheels,163, slidably mounted on shafts, 161, carrying pinions, 162, inengagement with ring gears, 19, 23, secured to the rotary mouldtables.… … 210 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. rack and the piston rod 106 is then forced outwards, thus rotatingthe mould tables through 73° to bring the moulds to the nextstations. When the piston 172 rises, the gears, 103, drop out ofengagement with the rack, and the piston rod 100 moves…
Glass
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