MOULDING DEVICE AND PRODUCTION PROCESS
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United States of America Patent
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Issued Date -
Mar 8, 2012
app pub date -
May 7, 2010
filing date -
May 11, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A production process includes introducing the material to be moulded into a mould, placing the mould in an envelope comprising a vacuum port; creating a low pressure in the envelope by formation of a gas flow through the vacuum port; deforming the mould; stopping the gas flow; and applying pressure on at least a portion of the mould, optionally with interposition of the envelope, at least after the gas flow is stopped.
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