Combinational weigher with a recycle conveyor configured to allow products to be recirculated in a dispersed manner
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United States of America Patent
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May 31, 2011
Grant Date -
May 6, 2010
app pub date -
Oct 30, 2008
filing date -
Oct 30, 2008
priority date (Note) -
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Abstract
A combination weigher of the present invention comprises a plurality of weighing hoppers which are capable of selectively discharging the products in a first direction or in a second direction, a collecting chute which is configured to gather the products which have been discharged from the weighing hoppers in the first direction and to discharge them, a recycle conveyor which is configured to convey the products which have been discharged from the weighing hoppers in the second direction and have been loaded onto the recycle conveyor, a feeding means configured to feed the products to the weighing hoppers, a transport means which is configured to transport the products which have been discharged from the recycle conveyor to feed the products to the feeding means, a combination calculation means which is configured to determine a discharge combination, a recycle hopper determination means configured to determine weighing hoppers whose products should be recycled, and a control means configured to cause the weighing hoppers selected to form the discharge combination to discharge the products in the first direction, and to cause the weighing hoppers determined by the recycle hopper determination means to discharge the products in the second direction.
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