MOLDING WITH SELF RISING MATERIALS
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United States of America Patent
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Issued Date -
Jun 6, 2024
app pub date -
Dec 4, 2023
filing date -
Dec 2, 2022
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Abstract
Three dimensional molded objects are produced from a plurality of expandible elements deposited in a mold by heating and moving the expandible elements during heating in the mold. The expandible elements have at least one layer of vertically lapped material held in a pre-compressed state during or before they are deposited in the mold. Movement is achieved by physically moving the mold continuously or periodically during heating, by blowing air or other gas into the mold continuously or periodically during heating, or by heating and depositing and moving the expandible objects at the same time.
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