LAMINATING ROLL, APPARATUS FOR PRODUCING METAL SHEET COATED WITH ORGANIC RESIN, AND PROCESS FOR PRODUCING METAL SHEET COATED WITH ORGANIC RESIN
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United States of America Patent
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Issued Date -
Sep 9, 2010
app pub date -
Jun 20, 2006
filing date -
Jun 23, 2005
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Abandoned
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Abstract
The present invention aims at the continuous and stable production of an organic-resin-coated metal sheet in producing the organic-resin-coated metal sheet by an extrusion method using a laminating roll which can prevent resin portions (ear portions) protruding from the metal sheet being wound around shaft portions of the laminating roll. Using a laminating roll in which a width (A) of a region thereof coated with a lining material satisfies a relationship of 0≦A−B≦20 mm with respect to a width (B) of the metal sheet, a thermally melted organic resin is extruded and is applied to the metal sheet such that end portions of the organic resin in the widthwise direction protrude from outer portions of the laminating roll applied with the lining material, and the resin portions in a semi-molten state which protrude from respective edges of the metal sheet are removed by press-cutting.
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