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DEVICE AND METHOD FOR PRODUCING A FOLDED SPIRAL-SEAM TUBE AND FOLDED SPIRAL-SEAM TUBE PRODUCED ACCORDING TO THE METHOD AND BY SAID DEVICE FROM A PROFILED METAL STRIP
DEVICE AND METHOD FOR PRODUCING A FOLDED SPIRAL-SEAM TUBE AND FOLDED SPIRAL-SEAM TUBE PRODUCED ACCORDING TO THE METHOD AND BY SAID DEVICE FROM A PROFILED METAL STRIP
The present invention relates to a device (1) for producing a folded spiral-seam tube (2) by screw-shaped winding of a profiled metal strip (6) having a lateral fold (19) and an edge bead (20).
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