Housing shell for portable electrical devices and method for the production thereof
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United States of America Patent
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May 12, 2015
Grant Date -
Mar 29, 2012
app pub date -
Apr 6, 2010
filing date -
May 4, 2009
priority date (Note) -
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Abstract
A housing shell for electrical measuring, controlling and communication devices, in particular the lower housing part of a cellphone, has very great flexural and torsional rigidity in spite of an extremely small wall thickness if it is formed as a part created by a forming operation from the planar blank of a thermoplastically impregnated long-fibered multi-layered mat. Fine-membered functional elements of likewise thermoplastic material are then molded onto the housing shell in an injection mold.
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