Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Nonwoven fabric
Reexamination Certificate
2007-12-18
2007-12-18
Piziali, Andrew T. (Department: 1794)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Nonwoven fabric
C442S035000, C442S149000, C442S152000, C442S164000, C442S172000, C442S366000, C442S367000, C442S368000, C442S369000, C442S381000, C442S382000, C442S383000, C442S384000, C442S385000, C442S386000, C442S387000, C442S388000, C442S389000, C442S390000, C442S391000, C442S392000, C428S041300, C428S114000, C162S131000
Reexamination Certificate
active
10726461
ABSTRACT:
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.
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Andrews John J.
Hahn Louis T.
Heine Darrell R.
Kiik Matti
Wilson Paul G.
Baker & McKenzie LLP
Choi Peter Y
Elk Premium Building Products, Inc.
Piziali Andrew T.
LandOfFree
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