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GB828596A
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Mechanism for end cropping and producing test samples from welded seam tubing
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GB829963A
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A spacer device for a tube-welding machine
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GB805186A
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Improvements in rotary electric resistance welders
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GB798137A
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Device for preventing tube collapse in tube mills
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GB795325A
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Pressure-roll assembly for tube mills
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US2803736A
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Electrode mounting for resistance weld tube mills
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US2782293A
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Device for preventing tube collapse in tube mills
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US2762902A
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Electrode and roll assembly for tube mills
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GB734740A
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Improvements relating to tube mills
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US2711006A
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Unloader for tube mills
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GB732901A
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Improvements in and relating to tube chamfering and cut-off mechanism
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GB718424A
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Improvements in or relating to tube cutting machines
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GB677868A
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Roller electrode tube welding machine
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US2596062A
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Tube cutting machine
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US2616325A
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Tube chamfering and cutoff mechanism
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US2621106A
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Tube mill
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US1928921A
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Swaging
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US1617890A
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Swaging machine
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US1282163A
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Welder.
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US828016A
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Apparatus for cutting screw-threads on pipes, &c.
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