4. Metal founding
  5. Process
  6. Shaping liquid metal against a forming surface

Raymond H. Witt

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Green sand mold filling system

Metal founding – Means to shape a forming surface – Including means applying vacuum directly to mold material
Patent

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Method and mold for sand casting varying thickness articles

Metal founding – Process – Shaping liquid metal against a forming surface
Patent

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Method for sand casting varying thickness articles

Metal founding – Process – Shaping a forming surface
Patent

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Mold for sand casting varying thickness articles

Metal founding – Means to apply vacuum directly to work or to hold or... – Means applying vacuum or suction directly to molten casting...
Patent

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