Laser beam welding of sheet, comprises arranging butt joint edges of sheet to be welded, which are adjacent to each other, in impact distance, and fusing by focused laser beam, which produces uniform weld seam without height offset
DE3148895A1
Method of pressure-butt or flash-butt welding of circular workpieces and device for carrying out the method
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Continuous mfr. of chain via link welding machine - where reversible guide is used to locate each link in exact position below welding electrodes
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Process for flash butt welding of ring-shaped workpieces
GB1456463A
Flash butt welding apparatus for joining metal strips
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DEVICE FOR DEBURRING THE WELD Bead on CHAIN LINKS
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Automatic chain welding machine - with upsetting jaws separate from elec-trodes and subsequent deburring station
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Continuous welding cold rolled strip - employing two additional rollers to prevent carriage idling
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Roll seam welder - with two sets of pressure rolls
