Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Nonwoven fabric – Including a foamed layer or component
Patent
1997-08-28
2000-09-12
Edwards, Newton
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Nonwoven fabric
Including a foamed layer or component
442338, 442417, 428372, 428397, 428398, D01F 600
Patent
active
061178020
ABSTRACT:
A nonwoven filter media or mat (10) formed from a plurality of elongated generally hollow fibers (20) each having an internal cavity (22) which has an opening (24), smaller than the cavity width, to the fiber (20) surface and each retaining within the internal cavity (22) an electrically conductive material. The electrically conductive material can be a large number of relatively small conductive solid particles (18). The small solid particles (18), which can be graphite are permanently entrapped within the longitudinal cavities (22) of the fibers (20) without the use of an adhesive. The electrically conductive material can also be a selected liquid. In the case of a liquid, the wicking fibers (20) are filled with the selected conductive liquid through capillary action by which the individual wicking fibers (20) rapidly draw the selected electrically conductive liquid, with which they come into contact, through the internal cavities (22). The electrically conductive material, either solid particles or a liquid, remains within the wicking fiber cavities (22) and generally does not enter the space between the wicking fibers yet through the longitudinal openings (24).
REFERENCES:
patent: 4255487 (1981-03-01), Sanders
patent: 4303733 (1981-12-01), Bulle et al.
patent: 5704966 (1998-01-01), Rohrbach et al.
patent: 5713971 (1998-02-01), Rohrach et al.
patent: 5744236 (1998-04-01), Rohrbach et al.
patent: 5759394 (1998-06-01), Rohrbach et al.
Hawley Condensed Chemical dictionary, 1993 p. 574.
Bause Daniel E.
Dondero Russell A.
Jones Gordon W.
Rohrbach Ronald P.
Unger Peter D.
Allied-Signal Inc.
Edwards Newton
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