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1.发明申请公开(公告)号：US20200269462A1
公开(公告)日：2020-08-27
申请号：US16826397
申请日：2020-03-23
IPC分类号： B27N3/28 , B32B27/08 , B32B27/32 , B29C53/56 , B29C48/00 , B29C48/21 , B32B3/26 , B32B7/12 , B32B1/00 , B32B37/14 , B32B21/02 , B32B27/18 , B32B21/13 , B29C48/18
摘要： Structures for use in forming products having a wood grain appearance include, for example, a plurality of extruded layers having different colors/shades spirally wound about a longitudinal axis to an outer surface to define the structure. The plurality of extruded layers include varying thicknesses along a spiral length of the plurality of layers and/or portions of the plurality of extruded layers encircling the longitudinal axis include portions disposed at different distances from the longitudinal axis. In some embodiments, the spirally winding includes forming a cylindrical structure, and pressing the cylindrical structure into a cuboid structure having a square or rectangular cross-section across the longitudinal axis and at least a portion of the plurality of extruded layers defining a square or rectangle pattern across the longitudinal axis. Longitudinal portions may be cut from the structures to form the products having a wood grain appearance.
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2.发明申请公开(公告)号：US20180104847A1
公开(公告)日：2018-04-19
申请号：US15295607
申请日：2016-10-17
CPC分类号： B27N3/28 , B29C48/0011 , B29C48/0019 , B29C48/0022 , B29C48/18 , B29C48/21 , B29C53/562 , B29K2023/065 , B29K2105/16 , B29K2511/14 , B29K2995/0021 , B29L2031/10 , B32B1/00 , B32B3/263 , B32B7/12 , B32B21/02 , B32B21/13 , B32B27/08 , B32B27/18 , B32B27/32 , B32B37/14 , B32B2250/242 , B32B2264/067 , B32B2307/4026 , B32B2307/712 , B32B2307/732 , B32B2479/00
摘要： Structures for use in forming products having a wood grain appearance include, for example, a plurality of extruded layers having different colors/shades spirally wound about a longitudinal axis to an outer surface to define the structure. The plurality of extruded layers include varying thicknesses along a spiral length of the plurality of layers and/or portions of the plurality of extruded layers encircling the longitudinal axis include portions disposed at different distances from the longitudinal axis. In some embodiments, the spirally winding includes forming a cylindrical structure, and pressing the cylindrical structure into a cuboid structure having a square or rectangular cross-section across the longitudinal axis and at least a portion of the plurality of extruded layers defining a square or rectangle pattern across the longitudinal axis. Longitudinal portions may be cut from the structures to form the products having a wood grain appearance.
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