4. Metal deforming
  5. By use of closed-die and coacting work-forcer
  6. Forcing work into or within closed die; e.g., forging

Grotnes Metalforming Systems, Inc.

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Automotive rim roll forming drive system

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Motors electrically connected in cascade or tandem
Patent

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Automotive rim roll forming drive system

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Motors electrically connected in cascade or tandem
Patent

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Automotive rim roll forming drive system

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Motors electrically connected in cascade or tandem
Patent

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Butt welding machine

Electric heating – Metal heating – For bonding with pressure
Patent

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Machine for welding automotive wheel rim blanks

Electric heating – Metal heating – Of cylinders
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