DEVICE TO CONTROL FILM BONDING IN PACKING MACHINE Russian patent published in 1995 - IPC

FIELD: food industry. SUBSTANCE: device has pulse generator 1, pulse counter 2, starting unit 3, AND gate 6, series-connected time meter 5, OR gate 13, reversible counter 12 and decipher 14 and series-connected 1-K flip-flop 7, power amplifier 8, and semistor 9 which serves to control switching of heating element 10. Introduction of cycle counter 11, deducting counter 15 and second decipher 16 makes it possible to automatically control additional heating time in steps proportional to time of continuous operation of packing machine. Duration of additional heating is automatically set depending on duration of machine shutdown period. EFFECT: enlarged operating capabilities. 3 dwg