Patent ID: 8216409

Claim:
A method of manufacturing a hollow fiber filtration apparatus comprising the steps of: forming a continuous bundle of hollow fibers aligned longitudinally along a winding apparatus; attaching end cap housings to the continuous bundle of hollow fibers at a set position along the winding apparatus wherein the end cap housing comprises an exterior fill port; injecting a potting material into the exterior fill port such that potting material contacts the bundle of hollow fibers; curing the potting material to form a potting sleeve; cutting the end cap housings to expose open hollow fibers while retaining a portion of the end cap housings; providing two thermoplastic parts wherein said thermoplastic parts have matching apertures along the edges of the thermoplastic parts to form inlet and outlet ports when sealed; positioning the hollow fiber unit between the two thermoplastic parts such that the end cap housings are inserted into the apertures; and melt sealing the peripheral edges of the two thermoplastic parts together to form a closed filtration apparatus.