Society of Glass Technology · [Sheffield] · leaf 527
J3cz Fig. 15. … ,01 f 93 Fig. 16. ment of the tube, 52, lifts an inner valve, 54, off its seating andreleases the air. The mould is moved to the next station, wherethe ring mould is screwed off the neck of the bottle by mechanismshown in Fig. 16. The ring mould, 100, is carried by a support,99, which screws into…
Glass
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