LAMINATED AND MOLDED BODY AND MANUFACTURING METHOD THEREFOR
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United States of America Patent
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app pub date -
Jun 21, 2012
filing date -
Sep 5, 2002
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Abandoned
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Abstract
A laminated and molded body obtained by coextruding and molding at least two kinds of resin materials is preferable as a blow-molding aimed preform, a direct-blow molded bottle, a tube, or a blow molded tube, and has at least one layer constituted of a colored layer having a thickness continuously or intermittently varied in a direction parallel to the extruding direction of the at least one layer and/or in another direction intersecting the extruding direction, thereby enhancing the gradation effect.
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