Patent ID: 7121129

Claim:
A device for producing metallic sealing folded-seam connections, at least partly positively locking, on ductile pipes and/or pipe-bend segments on a flanging and/or folding/closing machine having rotatably mounted shaping rollers and delivery rollers displaceable in one plane, wherein upper shaping rollers are driven by a motor and project from a machine bench, the device comprising: a displaceable lower roller in the form of a first hollow shaft, a first drive shaft carrying a shaping roller fixed in an axial position thereof, the first drive shaft disposed in the interior of the first hollow shaft, a delivery roller in the form of a second hollow shaft, a second drive shaft carrying an upper displaceable shaping roller, the second drive shaft disposed in the interior of the second hollow shaft, wherein the delivery roller and the upper displaceable shaping roller are arranged in slides so as to be displaceable in synchronism, and, further, the delivery roller and the upper displaceable shaping roller are arranged in a slide that is displaceable against the shaping roller and the displaceable lower roller.