Braid welding

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United States of America Patent

PATENT NO 9227362
APP PUB NO 20140054214A1
SERIAL NO

13592424

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A tubular support for use with a hollow fiber membrane is made with an apparatus that comprises a forming machine and an ultrasonic welding machine. The apparatus may also include a coating nozzle for depositing a dope on the support. In operation, filaments are formed into a tubular structure in which the filaments cross each other in radial and circumferential directions, for example a braid. The filaments are ultrasonically welded together at intersections between them. The support is combined with a polymeric membrane wall to form a hollow fiber membrane.

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Patent Owner(s)

Patent OwnerAddress
BL TECHNOLOGIES INC5951 CLEARWATER DRIVE MINNETONKA MN 55343

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bator, Zsolt Oroszlany, HU 3 4

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