MULTILAYER OBJECT WITH ARIABLE THICKNESS
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United States of America Patent
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Issued Date -
Sep 2, 2010
app pub date -
Aug 25, 2008
filing date -
Sep 5, 2007
priority date (Note) -
Abandoned
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Abstract
Multilayer article without an axis of symmetry manufactured by compression moulding of a multilayer charge of molten thermoplastic resins, article having a feed centre corresponding to the point around which the charge is centred in the mould before compression, the distance between said feed centre and the edge of the article, known as the flow length, is variable; characterized in that, for a given flow length, the greater the flow length, the smaller the average thickness along this length, and vice versa.
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