Patent ID: 7204187

Claim:
A device for tensioning and closing tightening straps having superposed two strap ends, in particular straps of plastics, for package strappings, the device having a front region and comprising a strap channel, a tensioning roller, and a strap sealing device, the strap channel having front and rear faces and longitudinal inner and outer sides extending therebetween, the strap channel receiving the superposed strap ends of the tightening strap, which strap channel is essentially open at the longitudinal outer side and the front and rear faces and which strap channel comprises a strap edge guide for the inner edges of the tightening strap at its longitudinal inner side, the tensioning roller arranged in the front region of the device which partially grips into the strap channel during tensioning thereby acting on one of the two strap ends and with the strap sealing device arranged behind the tensioning roller in a tensioning direction, wherein the strap edge guide runs obliquely to the tensioning direction of the tensioning roller in the direction of the longitudinal outer side of the strap channel.