Filling channel opening and closing device for liquid product filling apparatus
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United States of America Patent
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Jun 3, 2014
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N/A
app pub date -
Jan 31, 2011
filing date -
Feb 1, 2010
priority date (Note) -
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Abstract
A filling channel opening and closing device, which is used in a liquid product filling apparatus, including an opening and closing control unit that includes a flexible tube and a chamber enclosing the flexible tube in a gastight manner, a gas supply and exhaust device that collapses and restores the flexible tube by supplying pressurized gas into the chamber and exhausting the gas from the chamber, and a control device that controls the timing of supply and exhaust of the gas of the gas supply and exhaust device.
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