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US3389627A
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Trimming mechanism for strip welder
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Direct current tube welding machine
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Mechanical device
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Direct current power supply means with balanced delivery paths
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Cross wire locating device
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Wire feeding device
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Adjusting device for welding head
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Knife for cutting excess strip from a scarf joint
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US3270180A
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Method and apparatus for strip welding
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Joining device for metal strip material
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Roller-electrode welder
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Continuously rotating dial feed welder
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Method and apparatus for fabricating a hinged mat
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Seam-welding wheel bearing
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Destacker
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Means controlling a flexible grinding device
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US3119289A
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Method for planishing a pair of seam-joined metal sheets
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US2858874A
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Forming rolls having a curved forming shoe tangential to one roll on a line connecting the axes of the rolls
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US2730600A
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Rotating electrode structure
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US2558041A
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Axially oscillated circular welding electrode
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