Braid-reinforced hollow fiber membrane

Details Braid-reinforced hollow fiber membrane Braid-reinforced hollow fiber membrane

2007-01-05

2008-08-19

Salvatore, Lynda (Department: 1794)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

C428S378000, C428S398000, C428S401000, C428S034100, C428S034600, C428S034700

Reexamination Certificate

active

07413804

ABSTRACT:
A method of coating a polymeric resinous thin film on the surface of a tubular braid reinforcing material, wherein a polymeric resinous coating material is spin coated on the surface of an annular braid, the coated braid is extruded into the air, and the coating material is coagulated in a coagulating bath, wherein the ratio of the spin coating feed ratio (Q) one the braid advancing speed (v) with respect to a unit outer diameter (D0) of the braid is represented by the formulak⁡(g⁢/⁢m2)=Q⁡(g⁢/⁢min)v⁡(m⁢/⁢min)⁢D0⁡(m)within the range of 200 to 3,000 g/m2.

REFERENCES:
patent: 3644139 (1972-02-01), Schwarz
patent: 4061821 (1977-12-01), Hayano et al.
patent: 4385017 (1983-05-01), Joh et al.
patent: 5472607 (1995-12-01), Mailvaganam et al.

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