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Sand casting mold riser/sprue sleeve

  • US 5,425,410 A
  • Filed: 08/25/1994
  • Issued: 06/20/1995
  • Est. Priority Date: 08/25/1994
  • Status: Expired due to Fees
First Claim
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1. A sand casting mold riser/sprue sleeve, comprising:

  • a refractory body having an elongated, substantially tubular wall with interior and exterior wall surfaces extending between an inlet end and an outlet end about a central passageway;

    a woven flexible mesh filter extending transversely across the central passageway adjacent the outlet end in which the filter has a periphery embedded in the refractory wall; and

    said mesh filter having at least three mounting tabs formed about the periphery projecting into the body wall toward the outer wall surface to frictionally secure the mesh filter to the tubular body to prevent the mesh filter from being dislodged from the refractory body as molten metal flows through the central passageway.

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