GOB FORMING DEVICE
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United States of America Patent
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N/A
Issued Date -
Jan 3, 2013
app pub date -
Mar 23, 2011
filing date -
Mar 26, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Gob producing device with a molten glass feeder having an orifice at its bottom portion and a cutter for cutting the molten glass pushed out through the orifice so as to be suspended and produce a gob. The gob producing device includes a cutter position moving for adjusting the height of the cutter mechanism by moving it, a gob observing device for observing the falling gob in three dimensions, an image processor for obtaining the gob length from spatial position data obtained by the gob observing device to determine acceptance or rejection of the length and calculating correction data for correcting the cutter's height from the difference between measured and set values of the gob length when the obtained length is determined to be inappropriate, and a control device for moving the cutter mechanism by controlling the cutter position moving mechanism's operation on the basis of the correction data.
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