Casting solidification expansion materials
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United States of America Patent
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app pub date -
Apr 26, 2005
filing date -
Sep 24, 2003
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Abandoned
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Abstract
A mold that has an expandable mold cavity that is maintained at a first volume during an injection phase and expands to a second volume during the solidification phase to inhibit or prevent the formation of voids or cracks in a material that expands during the solidification process and a method whereby the pressure within a mold cavity during the solidification process is limited to inhibit or prevent formation of cracks or fissures in a cast article that normally expands during solidification.
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