IT998593B - Fibre cave - Google Patents

Fibre cave

Info

Publication number
IT998593B
IT998593B IT28851/73A IT2885173A IT998593B IT 998593 B IT998593 B IT 998593B IT 28851/73 A IT28851/73 A IT 28851/73A IT 2885173 A IT2885173 A IT 2885173A IT 998593 B IT998593 B IT 998593B
Authority
IT
Italy
Prior art keywords
cave
fibers
cave fibers
Prior art date
Application number
IT28851/73A
Other languages
English (en)
Italian (it)
Original Assignee
Rhone Poulenc Sa
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 FR7232285A external-priority patent/FR2199014B1/fr
Application filed by Rhone Poulenc Sa filed Critical Rhone Poulenc Sa
Application granted granted Critical
Publication of IT998593B publication Critical patent/IT998593B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/40Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421Polyacrylonitrile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/40Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42Polymers of nitriles, e.g. polyacrylonitrile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • B01D69/081Hollow fibre membranes characterised by the fibre diameter
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation 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)
IT28851/73A 1972-09-12 1973-09-12 Fibre cave IT998593B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7232285A FR2199014B1 (ja) 1972-09-12 1972-09-12

Publications (1)

Publication Number Publication Date
IT998593B true IT998593B (it) 1976-02-20

Family

ID=9104157

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28851/73A IT998593B (it) 1972-09-12 1973-09-12 Fibre cave

Country Status (14)

Country Link
JP (1) JPS5125486B2 (ja)
AR (1) AR199312A1 (ja)
BR (1) BR7307023D0 (ja)
DD (1) DD109238A5 (ja)
EG (1) EG10998A (ja)
ES (1) ES418706A1 (ja)
HU (1) HU167044B (ja)
IE (1) IE38223B1 (ja)
IL (1) IL43203A (ja)
IN (1) IN139645B (ja)
IT (1) IT998593B (ja)
OA (1) OA04473A (ja)
SE (1) SE396097B (ja)
ZA (1) ZA737166B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5285525A (en) * 1975-12-29 1977-07-15 Nippon Zeon Co Ltd Production of hollow fibers
JPH0642905B2 (ja) * 1986-06-13 1994-06-08 東レ株式会社 血液透析膜

Also Published As

Publication number Publication date
DD109238A5 (ja) 1974-10-20
IL43203A (en) 1976-06-30
BR7307023D0 (pt) 1974-07-18
JPS4962726A (ja) 1974-06-18
SE396097B (sv) 1977-09-05
IE38223L (en) 1974-03-12
IL43203A0 (en) 1973-11-28
IE38223B1 (en) 1978-01-18
OA04473A (fr) 1980-12-15
IN139645B (ja) 1976-07-10
ZA737166B (en) 1974-08-28
AR199312A1 (es) 1974-08-23
ES418706A1 (es) 1976-02-16
JPS5125486B2 (ja) 1976-07-31
HU167044B (ja) 1975-07-28
EG10998A (en) 1977-04-30

Similar Documents

Publication Publication Date Title
BE804734A (fr) Fibres creuses
BE802321A (fr) Fibre textile electroconductrice
IT1022474B (it) Fibre di careone imbozzimate
IT988974B (it) Perfezionamento nelle fibre ottiche
IT1014678B (it) Apparecchi a fibre cave
NL7412523A (nl) Driedimensionele vezelige structuur.
SE394036B (sv) Optisk vagledarfiberanordning
AT333404B (de) Vliesstoff
BE747243A (fr) Fibres en polyester elastiques
SE384360B (sv) Alkaliresistenta glasfibrer
IT1006699B (it) Apparecchio di frazionamento a fibre cave
TR17638A (tr) Poliester tekstuere iplik imaline mahsus usuel
NL7507665A (nl) Geappreteerde glasvezel.
NO740339L (no) Fiberoptisk konstruksjon.
FI54152B (fi) Foerfarande foer limning av fibrer i non-woven-material
SE407468B (sv) Fiberoptikplatta
IT994920B (it) Trattamento di fibre
BE768446A (fr) Fibres
BE836961A (fr) Fibres proteiques
BE771014A (fr) Nouvelles fibres traitees
NL7513026A (nl) Pillingarme polyestervezels.
IT1001791B (it) Preparazioni per fibre sintetiche
IT998593B (it) Fibre cave
TR16740A (tr) Elyafli maddeler
BE754291A (fr) Fibres inorganiques