Injection moulding method for the production of moulded parts, moulded part produced by means of injection moulding and also injection mould
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United States of America Patent
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Aug 25, 2020
Grant Date -
Aug 10, 2017
app pub date -
Dec 20, 2016
filing date -
Dec 23, 2015
priority date (Note) -
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Abstract
The present invention relates to a method for the production of injection-moulded, reinforced moulded parts, the fibre orientation of which is specifically adjusted on a local basis. Via suitable, dynamically controlled supplementary heating in the wall of the injection mould which is used (variotherm heatable channel), a local cavity region is hereby heated at the time of injection to a temperature in the region of or above the solidification temperature (in any case above the crystallisation temperature in the case of partially crystalline plastic materials or above the glass transition temperature in the case of amorphous plastic materials) of the polymer (plastic material moulding compound).
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