4. Sheet feeding or delivering
  5. Feeding
  6. By means to convey sheet

Niklaus Portmann

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Apparatus for electrical resistance seam welding by rollers

Electric heating – Metal heating – For bonding with pressure
Patent

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Driver for feeding thin metal sheets on a can welding machine

Sheet feeding or delivering – Feeding – By means to convey sheet
Patent

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Electrode roller with flexible current transmitting disc

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Rail for guiding sheet-metal edges which are to be welded togeth

Electric heating – Metal heating – Of cylinders
Patent

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Sliding contact roller head

Electric heating – Metal heating – For bonding with pressure
Patent

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Profile ID: LFUS-PAI-P-993831

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