Light-weight mold making material and process of manufacture of the same
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
May 6, 2014
filing date -
May 7, 2013
priority date (Note) -
Abandoned
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Abstract
The invention describes making core structures for tooling panels air permeable and resistant to higher temperatures. Core structures may be a non-woven made from fibers that may be treated with an adhesion promoter. The fiber is then treated with an outer-coating. Proper choice of outer coating allows the tooling panel to function at higher temperatures. The non-woven core may be constructed in various dimensions. Air permeability allows tooling panels to show superior response to changing temperatures. The non-woven may be bonded with another to form a larger tooling panel. The outer surface of the tooling panel may be coated with a material such as rigid foam that can be machined to a pattern placed in contact with material in manufacture a part. The permeable core structure can be made from permeated plastic, wood, metal, ceramic and the like.
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