Industrial filtration fabric with high center plane resistance

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8444826
APP PUB NO 20110030909A1
SERIAL NO

12918905

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Importance

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Abstract

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A flat woven industrial filtration fabric comprises three layers of weft yarns. A first set of warp yarns interweaves only with paper side layer weft yarns and intermediate weft yarns, and a second set of warp yarns interweaves only with machine side layer weft yarns and the intermediate yarns, the first warp yarns and the second warp yarns interweaving with the same intermediate weft yarns at common turning points. The first warp yarns comprise groups of intrinsic binder yarns forming a single combined path on the paper side surface, and the second warp yarns are woven as individual yarns or in groups, such as pairs or triplets. The distinct nature of the paper side and machine side layers increases the available combinations of weave patterns to optimize the characteristics for each layer, and the distinct centre planes between the three layers provide improved drainage control.

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Patent Owner(s)

Patent OwnerAddress
ASTENJOHNSON INCP O BOX 118001 4399 CORPORATE ROAD CHARLESTON SC 29423

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Danby, Roger Arnprior, CA 9 135
Johnson, Dale B Ottawa, CA 13 471

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