Method for fabricating wound hollow fiber dialysis cartridges

Details Method for fabricating wound hollow fiber dialysis cartridges Method for fabricating wound hollow fiber dialysis cartridges

1980-01-16

1981-02-24

Therkorn, Ernest G.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Dividing work to form plural articles

2103213, 264233, 264261, 264279, B29C 1710

Patent

active

042527651

ABSTRACT:
In the manufacture of wound hollow fiber dialysis cartridges, rigid preliminary tube sheets are formed near each end of the winding, outwardly of the area of the winding which will ultimately be used in finished cartridges. The preliminary tube sheets are then cut transversely to the winding mandrel to expose the hollow fiber ends. The cut preliminary tube sheets, mandrel, and fibers now form a unitary structure which can be washed and treated to make the fiber surface easily adherable to the potting material from which the permanent tube sheets are thereafter formed. After forming the permanent tube sheet, the winding is cut into individual cartridges, and the preliminary tube sheets are discarded.

REFERENCES:
patent: 3422008 (1969-01-01), McLain
patent: 3704223 (1972-11-01), Dietzsch et al.
patent: 3730959 (1973-05-01), Horres, Jr. et al.
patent: 3932570 (1976-01-01), Cox et al.

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