Apparatus for fabricating multi-layer spiral tubes

摘要: An apparatus for fabricating multi-layer spiral tubes including first drive means performing rotation of an inner cylinder around which a web is to be wrapped spirally slide base moveable along the longitudinal direction cylinder, being disposed on bed so as slidable plurality pairs cradles mounted placing thereon, depressing rolls wrapping web, second constraining weld portion automatic gap detector detecting between adjacent edge portions welding machine grinding excess metal welding, defect hunter defects in portion, feed table feeding moving table, and central control unit provided coupled means, cradles, rolls, detector, machine, hunter, controlling operations these component concentrated manner.