Society of Glass Technology · [Sheffield] · leaf 743
38, carry-ing the moulds, 37,is rotated inter-mittently by aGeneva-stop mechan-ism, 50, 51, from amotor, 52, which alsooperates a blower, 41.The cut-off knife, 5,pneumatic deliverydevice, 16, and theIjL-* pressing plunger, 65,kp^~ are controlled by thepneumatic cylinders,13, 35, 40, the airsupply… … MACHINERY FOR THE WORKING OF GLASS. 261 as shown by the arrows. When the valve plunger, 59, moves tothe left, the air passes directly into the pipe, 56, and the exhaustfrom the pipe, 55, passes through the port, 63, into the air by wayof the hole, 64. The frame, 6, in which the shearing knife,…
Glass
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