C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/75.8
C03B 9/193 (2006.01) C03B 9/34 (2006.01) C03B 9/347 (2006.01) C03B 9/38 (2006.01)
Patent
CA 1219447
ABSTRACT: Method of manufacturing hollow glass objects, object manufactured by means of the method and apparatus for carrying out the method. A method and an apparatus for manufacturing hollow glass objects according to the press-and-blow process, in which a glass gob is shaped in a cooled preform mould into an elongate parison, the parison, whilst freely hanging at its neck portion, is then subjected to a thermal intermediate treatment and subsequently the parison is blown up in a finish mould to the desired hollow glass object and is simultaneously subjected to an upsetting operation, in such a manner that the blown-up hollow glass object at the part having larger transverse dimensions has a considerable wall thickness.
466095
Fetherstonhaugh & Co.
N.v.philips'gloeilampenfabrieken
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