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Process of and apparatus for making a three-dimensional article

  • US 5,700,406 A
  • Filed: 04/26/1996
  • Issued: 12/23/1997
  • Est. Priority Date: 04/26/1996
  • Status: Expired due to Fees
First Claim
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1. An apparatus for making a three-dimensional article based upon article defining data, said apparatus comprising:

  • a base;

    processor means for defining a mold skin for producing a mold for the three-dimensional article based upon the article defining data;

    build material dispensing means for dispensing build material responsive to said processor means to construct the mold skin extending outwardly from said base and defining at least one cavity;

    said base comprising penetrable surface defining means for being penetrated to introduce a solidifiable fill material into the at least one cavity;

    filling means for penetrating said penetrable surface defining means of said base and introducing solidifiable fill material into the at least one cavity to form solid mold portions;

    separating means for separating the solid mold portions from the mold skin; and

    molding means for using the solid mold portions to form the three-dimensional article.

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