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MOLTEN METAL PUMP COMPONENTS

  • US 20090054167A1
  • Filed: 11/04/2008
  • Published: 02/26/2009
  • Est. Priority Date: 07/12/2002
  • Status: Active Grant
First Claim
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1. A rotor shaft for use in a molten metal pump, the rotor shaft having an outer surface, a first end for connecting to a coupling and a second end for connecting to a rotor wherein the first end includes a vertically-extending keyway formed on the outer surface, the keyway comprising a groove for receiving a projection whereby the projection can apply driving force to the rotor shaft.

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