Filter comprising membranes made of hollow fibers

Details Filter comprising membranes made of hollow fibers Filter comprising membranes made of hollow fibers

2006-03-21

2006-03-21

Fortuna, Ana (Department: 1723)

Liquid purification or separation

Casing divided by membrane into sections having inlet

Each section having inlet

C210S321780, C210S321790, C210S321900, C210S321870, C210S500230, C096S008000, C096S010000

Reexamination Certificate

active

07014765

ABSTRACT:
The invention relates to a filter comprising membranes made of hollow fibers in which the hollow fibers are arranged as a bundle in a tubular housing. The housing comprises an end cap on each of its ends, whereby the hollow fiber bundle is placed between the ends of the housing. The ends of the hollow fiber bundle each comprise a support ring that surrounds the same and are cast inside said support ring. The support rings are displaceably mounted in the housing in order to compensate for, among other things, axial contractions of the hollow fiber bundle occurring during heat sterilization.

REFERENCES:
patent: 4157114 (1979-06-01), De Lorenzo
patent: 4283284 (1981-08-01), Schnell
patent: 4334993 (1982-06-01), Norton
patent: 4414110 (1983-11-01), Geel et al.
patent: 4990251 (1991-02-01), Spranger et al.
patent: 5053130 (1991-10-01), Raff et al.
patent: 5236586 (1993-08-01), Antoni et al.
patent: 5472601 (1995-12-01), Eguchi
patent: 0 305 687 (1989-03-01), None
patent: 0 355 325 (1990-02-01), None
patent: 0 525 317 (1997-02-01), None
Patent Abstract of Japan vol. 1998, No. 11, Sep. 30, 1998 & JP 10 165777 A (Toray Ind Inc), Jun. 23, 1998 abstract.

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