Society of Glass Technology · [Sheffield] · leaf 654
glob of glass is held in front of the pad,90 (Fig. 162), which projects a very small distance through a die,55. The pedal is then depressed, and the crank, 27, moves throughone complete rotation, causing one full reciprocation of the rod, 41.This presses the round-ended ram, 47, into the glass, and… … Fig. 162. the glass to take a definite shape and to stiffen, but not longenough to cause it to crack. The ram, 47, continues to moveforward and draws plastic glass from the bulk, 110, with it throughthe die. Towards the end of the stroke the sleeve, 49, begins tomove forward, and as it fits…
Glass
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