Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1984-10-19
1986-05-06
Kellogg, Arthur
Glass manufacturing
Processes
Forming product or preform from molten glass
65110, 65230, 65242, 65283, C03B 938
Patent
active
045869448
ABSTRACT:
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, while 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.
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Kellogg Arthur
Treacy David R.
U.S. Philips Corporation
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