Twin-tube bag forming, filling and sealing machine comprising metering device and transfer system

A twin-tube tubular bag machine having two longitudinal sealing elements for forming two parallel film tubes, two transverse sealing jaws, which are moveable against each other and which thereby transversely seal the film tube, being provided for each of the two film tubes for forming sealed tubular bags, having a mechanism which has a drive and which moves the transverse sealing jaws, and having two filling devices for filling the tubular bags formed by the film tubes with filling material, and having two separating elements for separating individual filled tubular bags from the two film tubes, a dosing device being disposed upstream of each of the filling devices, said dosing device allowing for the dosing of a prespecified filling quantity of the filling material to be filled into the tubular bags, wherein

• a transfer element having a transfer line, a return transfer line, and several transfer containers is provided between the two filling devices and the dosing device, the prespecified filling quantity of the filling material being transferred from the dosing device to the transfer containers in an input station, and the transfer containers being transported to a pairing of two dispensing stations, the two dispensing stations arranged sequentially along the transfer line, and the filling material being transferred from the transport containers to the two filling devices in the pairing of two dispensing stations, and the transfer containers being transported back to the input station along the return transfer line, and wherein the transfer element is controlled by a transfer control system, the transfer control system controlling the transfer process in the input station irrespective of the transfer process in the dispensing stations.