Process for making reusable tooling

Process for making reusable tooling

  • CN 101,219,460 A
  • Filed: 11/06/2007
  • Published: 07/16/2008
  • Est. Priority Date: 11/07/2006
  • Status: Active Application
First Claim
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1. a reusable tooling that is used for manufacture component is characterized in that, comprising:

  • The substrate that forms by a plurality of casting layers of sand that are coated with resinoid bond;

    The apperance of the parts that on described substrate, form by a plurality of casting layers of sand that are coated with resinoid bond;

    AndBe coated to the lip-deep low viscosity resin arenaceous shell coating of all described substrates and described apperance, described coating permeates described surface and reaches finite depth.

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