If you've always wondered how glass bottles were manufactured, then check out this interesting "How it's Made" segment. Video after the break.
In all cases a stream of molten glass at its plastic temperature (1050C-1200C) is cut by a shearing blade to form a cylinder of glass called a gob. Both of the processes start with this gob falling by gravity and guided by troughs and chutes into the blank moulds
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[Source: Tech Blog]
