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US 4,902,552 AGranted
Reinforced dry laid fibrous webs
AssigneeJames River-Norwalk, Inc.
InventorWayne P. Sorenson
Life of this patent
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Abstract
A method and apparatus for making reinforced, dry laid fibrous web. A first layer of dry cellulosic fibers is laid on a forming wire. A plurality of yarns maintained under tension are applied to the first layer of dry cellulosic fibers. The tension on the bulked yarns is released upon application of the yarns to the first layer of dry cellulosic fibers to form relaxed, bulked yarns. A second layer of dry cellulosic fibers is laid on the first layer of dry cellulosic fibers and relaxed, bulked yarns.
Claims8
A reinforced, dry laid fibrous web comprising:
- (a) one or more layers of dry cellulosic fibers;
- and
- (b) a plurality of relaxed, bulked yarns dispersed within the layers of the dry cellulosic fibers to reinforce the strength of the layers and to increase the absorbency of the web.
Dependencies are inferred from the claim text.