Patent ID: 7739860

Claim:
A method of packaging items, comprising the steps of providing a conveying rotating driven drum having a series of holders for holding at least one item and at least one packaging sheet securely during conveying, feeding the at least one item and at least one packaging sheet to the packaging conveyor and discharging the at least one item packaged on the conveyor, closing the at least one packaging sheet on the respective item and heat-sealing and co-rotating with the holders for heat-sealing, the heat-sealing means comprising a sheet gripper which is provided with a heating body, heating each heating body and controlling the heating means, the control means comprising one control system, a memory for discrete storage of the measured values of the heating bodies and being provided with a memory for storing a desired value of the temperature of the heating bodies, measuring the temperature of each heating body, controlling the heating means by way of the control means for that heating body based on the result of a comparison between the desired value and the last measured value of a heating body.