38308 ⎘
Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes; Making tubes with welded or soldered seams Guiding or aligning the edges of the bent sheet
MANUFACTURE OF ROLL FORMED TUBES
#2METHOD AND APPARATUS FOR MANUFACTURING METAL PIPE
#3Method for joining edges and/or surfaces of a profile, joining roller arrangement and profiling installation
#4Method for the continuous production of optical fibre waveguides mounted in a thin-walled, radially closed metal tube
#5Barrel tank seam welder system
#6Barrel tank seam welder system
#7ALIGNMENT UNIT FOR A PROFILING LINE
#8Barrel tank seam welder system
#9BARREL TANK SEAM WELDER SYSTEM
#10Installation and method for continuously shaping longitudinally slotted pipes
#11Squeeze roll stand
#12Operation management device, operation management method, and operation management program for high-frequency resistance welding and induction welding
#13UOE steel pipe excellent in collapse strength and method of production thereof
#14Method of manufacturing electric resistance welding pipe having excellent characterization of welded seam
#15Device and method for controlling welding angle
#16Continuous welding machine for welding a pipe blank
#17Method of manufacturing electric resistance welding pipes having excellent characterization of welded seams
#18Method and bending press for bending boundary edge of a sheet for shaping into an open seam tube
#19Process for manufacturing powder-filled welded tubes, such as flux-cored welding wires
#20Apparatus for manufacturing tubes
#21Weld box auto roll sensing and positioning system
#22UOE steel pipe excellent in collapse strength and method of production thereof