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BR8001426A - Fibra tendo um nucleo oco estendido continuamenta atraves de todo o seu comprimento, e processo para sua producoa - Google Patents

Fibra tendo um nucleo oco estendido continuamenta atraves de todo o seu comprimento, e processo para sua producoa

Info

Publication number
BR8001426A
BR8001426A BR8001426A BR8001426A BR8001426A BR 8001426 A BR8001426 A BR 8001426A BR 8001426 A BR8001426 A BR 8001426A BR 8001426 A BR8001426 A BR 8001426A BR 8001426 A BR8001426 A BR 8001426A
Authority
BR
Brazil
Prior art keywords
fiber
product
length
extended hollow
continuously
Prior art date
Application number
BR8001426A
Other languages
English (en)
Inventor
C Porter
J Taylor
Original Assignee
Extracorporeal Med Spec
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/019,972 external-priority patent/US4291096A/en
Priority claimed from US06/019,973 external-priority patent/US4288494A/en
Application filed by Extracorporeal Med Spec filed Critical Extracorporeal Med Spec
Publication of BR8001426A publication Critical patent/BR8001426A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/10—Cellulose; Modified cellulose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
BR8001426A 1979-03-12 1980-03-11 Fibra tendo um nucleo oco estendido continuamenta atraves de todo o seu comprimento, e processo para sua producoa BR8001426A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/019,972 US4291096A (en) 1979-03-12 1979-03-12 Non-uniform cross-sectional area hollow fibers
US06/019,973 US4288494A (en) 1979-03-12 1979-03-12 Non-uniform cross-sectional area hollow fibers

Publications (1)

Publication Number Publication Date
BR8001426A true BR8001426A (pt) 1980-11-11

Family

ID=26692817

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8001426A BR8001426A (pt) 1979-03-12 1980-03-11 Fibra tendo um nucleo oco estendido continuamenta atraves de todo o seu comprimento, e processo para sua producoa

Country Status (4)

Country Link
BR (1) BR8001426A (pt)
DE (1) DE3009528A1 (pt)
FR (1) FR2451407A1 (pt)
IT (1) IT1140712B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671809A (en) * 1984-06-05 1987-06-09 Nippon Steel Corporation Gas separation module
DE4423167A1 (de) * 1994-07-04 1996-01-11 Akzo Nobel Nv Verfahren zur Entfernung von Lumenfüllern und anderen löslichen Rückständen aus Hohlfäden
DE19652695C1 (de) * 1996-12-18 1997-10-30 Saxonia Medical Gmbh Hohlfasermodul mit profilierten Abstandsfäden
DE10219461A1 (de) * 2002-04-30 2003-11-20 Viscotec Gmbh Hohlkunstfaser
DE102015116787A1 (de) * 2015-10-02 2017-04-06 B. Braun Avitum Ag Hohlfasermembran mit periodischer Querschnittsänderung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD14882A (pt) * 1957-05-06 1900-01-01
LU81736A1 (de) * 1978-10-02 1980-01-24 Akzo Nv Dialysehohlfadenmembran mit laengswellen

Also Published As

Publication number Publication date
FR2451407A1 (fr) 1980-10-10
DE3009528A1 (de) 1980-09-25
IT1140712B (it) 1986-10-01
IT8020237A0 (it) 1980-02-28

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: B01D 71/10 (2006.01), B01D 69/08 (2006.0