Non-uniform cross-sectional area hollow fibers
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United States of America Patent
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-
Sep 8, 1981
Grant Date -
N/A
app pub date -
Mar 12, 1979
filing date -
Mar 12, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Hollow fibers, particularly useful as semipermeable membranes in separatory devices such as blood dialyzers, having a non-uniform cross-sectional area along the length thereof. The fibers have recurring points of maximum outside diameter and minimum outside diameter and such points may recur on a regular basis or at random. Fiber wall thicknesses may be substantially uniform or non-uniform. Methods and apparatus for making the fibers are disclosed.
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Cited Art Landscape
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