发明名称 MULTIPLE LAYER DIRECTIONALLY ORIENTED NONWOVEN FIBER MATERIAL AND METHODS OF MANUFACTURING SAME
摘要 Disclosed herein are embodiments of a multi-layer nonwoven fiber material, and related methods of manufacturing the material. In one exemplary embodiment, the fiber material includes a first layer of directionally aligned fibers together with a second layer of randomly dispersed fibers dispersed over the first layer. Consistent with one exemplary method for manufacturing a nonwoven fiber material, the method includes dispersing a first plurality of fibers horizontally in one or more predetermined directions, as well as dispersing a second plurality of fibers horizontally in random directions. In such an embodiment, the second plurality of fibers is dispersed over the first plurality of fibers. Moreover, an exemplary embodiment of a roofing shingle employing a nonwoven fiber material as described herein is as disclosed.
申请公布号 CA2753902(C) 申请公布日期 2014.11.25
申请号 CA20042753902 申请日期 2004.02.10
申请人 ELK PREMIUM BUILDING PRODUCTS, INC. 发明人 WILSON, PAUL G.;HEINE, DARRELL R.;ANDREWS, JOHN J.;HAHN, LOUIS T.;KIIK, MATTI
分类号 D04H1/74;B32B5/08;B32B5/12;B32B5/26;B32B11/02;B32B33/00;B32B37/24;D04H13/00;D06N5/00;D21H13/40;D21H27/02;E04D1/20 主分类号 D04H1/74
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