B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
341/38.3
B65B 1/12 (2006.01) B65B 1/32 (2006.01)
Patent
CA 1227855
AUTOMATIC FILLING MACHINE Abstract Of The Disclosure An automatic filling machine of the type employing a hopper and a rotary feed auger driven by a cyclically engagable drive. The rotary feed auger dispenses con- trolled volumes of material from a discharge opening in the hopper into containers to be filled such that the volumes dispensed are proportional to the time of revolution of the rotary feed auger. A brake stops the rotation of the feed auger after a predetermined time of revolution. The machine senses the actual time of revo- lution of the rotary feed auger from the time the drive is engaged until the rotary feed auger comes to a complete stop and generates a signal indicative of the actual time of revolution. The predetermined time of revolution is generated by a control which is operatively associated with the drive. The predetermined time may be a preselected fixed time or a calculated time. The actual time of revolution is one input to the control. The control also receives as inputs a first weight value indicative of the weight of a volume of material delivered by the preselected fixed time of revolution and a second weight of material to be dispensed. The control includes circuitry for deriving the ratio of the first weight value to the preselected fixed time, circuitry for dividing the second weight value by the ratio to derive the calculated time, and circuitry for comparing the actual time of revolution to the pre- determined time. The control further includes circuitry for incrementing the predetermined time by the preselected amount when the actual time of revolution is less than the predetermined time and decrementing the predetermined time by the preselected amount when the actual time of revolu- tion is greater than the predetermined time.
454907
Famous Robert K.
Izzi Anthony J.
Mcdonald John J.
Nakajima Yoshio
Parker William B.
Gowling Lafleur Henderson Llp
Mateer-Burt Company Inc.
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