Society of Glass Technology · [Sheffield] · leaf 433
forming the neck of the bottle. At the beginning of the nextstep forward, the plunger was quickly withdrawn, the springkeeping the push rod roller on the sharp decline, q, and at thesame time a puff of air was given to the blank. During the re-mainder of this step of the rotation, the parison mould… … Fig. 3. this inverting movement, the parison mould halves were openedwide by means of eccentric gears attached to the fixed disc, d, andthe partly formed blank was left hanging freely from the ringmould. The blow mould, which was mounted on an entirelyseparate stand, was brought up and closed round…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
