Non-braided, textile-reinforced hollow fiber membrane
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United States of America Patent
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Jun 23, 2015
Grant Date -
Apr 26, 2012
app pub date -
Jun 25, 2010
filing date -
Jun 26, 2009
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Abstract
Various methods of making a reinforced membrane, devices for making the membranes, and the resulting membranes are described. The methods typically provide a reinforcing structure that includes filaments extending around the circumference of the membrane but without the filaments being part of a braided or woven structure. Some of the reinforcing structures also include longitudinal filaments. The methods and devices can be used to make a supporting structure in line with membrane formation steps, and also allow for a reinforced membrane to be produced that has a ratio of inside-to-outside diameters of 0.5 or more.
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