C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/75.6
C03B 9/193 (2006.01)
Patent
CA 1053468
ABSTRACT OF THE DISCLOSURE A process of forming glassware in a press and blow technique utilizing at least one upright parison mold in a first station of a forming machine section which also has two additional stations spaced apart longitudinally of the section. The process comprises the following steps: placing a gob of molten glass in the parison mold; closing the parts of a neck ring over the parison mold and then thrusting a plunger through the neck ring to form a parison; removing the plunger and mold from the parison to leave the parison suspended by the neck ring; transferring the neck ring to the next adjacent or second of the stations; engaging the upper portion of the parison at the second station to support the same for further forming; re- turning the neck ring to the first station; engaging the upper portion of the further formed parison by first tongs at the second station; transferring the first tongs and further formed parison to the third station; engaging the further formed parison at the third station to support the same for final shaping; re- turning the first tongs to the second station; blowing the pari- son to the final shape of an article of glassware at the third station; engaging the upper portion of the article by second tongs at the third station; transferring the second tongs and sus- pended article to a point beyond the third station; releasing the article at said point; and returning the second tongs to the third station.
296095
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