GB2005592A - Extrusion device for preparing fibrous materials - Google Patents

Extrusion device for preparing fibrous materials

Info

Publication number
GB2005592A
GB2005592A GB7839945A GB7839945A GB2005592A GB 2005592 A GB2005592 A GB 2005592A GB 7839945 A GB7839945 A GB 7839945A GB 7839945 A GB7839945 A GB 7839945A GB 2005592 A GB2005592 A GB 2005592A
Authority
GB
United Kingdom
Prior art keywords
arrow
extrusion device
fibrous materials
nozzle
liquid
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB7839945A
Other versions
GB2005592B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montedison SpA
Original Assignee
Montedison SpA
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
Application filed by Montedison SpA filed Critical Montedison SpA
Publication of GB2005592A publication Critical patent/GB2005592A/en
Application granted granted Critical
Publication of GB2005592B publication Critical patent/GB2005592B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D01D5/11—Flash-spinning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Paper (AREA)

Abstract

The device comprises a nozzle having in sequence convergent, narrow and divergent portions, and a continuous slit 8 for the introduction of liquid for extrusion dividing the divergent portion longitudinally into two distinct parts 2 and 3. The slit width should be from 0.2 to 2 mm, preferably from 0.5 to 0.9 mm. Cutting fluid is transmitted through the nozzle in the direction of arrow B. A solution emulsion or dispersion of a polymer in a liquid medium to be extruded is introduced in the direction of arrow A through inlet 4 into channel 6 and thence into 8. Excess liquid leaves through an outlet D (not shown) to be recycled. Fibrous material leaves in direction of arrow C. <IMAGE>
GB7839945A 1977-10-12 1978-10-10 Extrusion device for preparing fibrous materials Expired GB2005592B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2849277A IT1087746B (en) 1977-10-12 1977-10-12 DEVICE FOR THE PREPARATION OF FIBROUS MATERIAL SUITABLE FOR THE MANUFACTURE OF SYNTHETIC PAPER

Publications (2)

Publication Number Publication Date
GB2005592A true GB2005592A (en) 1979-04-25
GB2005592B GB2005592B (en) 1982-03-17

Family

ID=11223688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7839945A Expired GB2005592B (en) 1977-10-12 1978-10-10 Extrusion device for preparing fibrous materials

Country Status (10)

Country Link
JP (1) JPS5459430A (en)
AU (1) AU4056578A (en)
BE (1) BE871153A (en)
CA (1) CA1114120A (en)
DE (1) DE2844133A1 (en)
ES (1) ES474116A1 (en)
FR (1) FR2406010A1 (en)
GB (1) GB2005592B (en)
IT (1) IT1087746B (en)
NL (1) NL7810151A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279776A (en) * 1991-09-17 1994-01-18 E. I. Du Pont De Nemours And Company Method for making strong discrete fibers
EP0597658A1 (en) * 1992-11-10 1994-05-18 Du Pont Canada Inc. Flash spinning process for forming strong discontinuous fibres

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG35207A1 (en) * 1981-12-18 1984-03-15 Bojadzhiev Method for effecting mass transport between three liquid
DK514687D0 (en) * 1987-09-30 1987-09-30 Danaklon As POLYMER FIBERS AND PROCEDURES FOR PRODUCING THEM

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1030809B (en) * 1974-11-19 1979-04-10 Montedison Spa IMPROVEMENTS IN THE PREPARATION OF SYNTHETIC FIBERS FOR PAPER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279776A (en) * 1991-09-17 1994-01-18 E. I. Du Pont De Nemours And Company Method for making strong discrete fibers
EP0597658A1 (en) * 1992-11-10 1994-05-18 Du Pont Canada Inc. Flash spinning process for forming strong discontinuous fibres

Also Published As

Publication number Publication date
IT1087746B (en) 1985-06-04
NL7810151A (en) 1979-04-18
DE2844133A1 (en) 1979-04-19
CA1114120A (en) 1981-12-15
GB2005592B (en) 1982-03-17
FR2406010B1 (en) 1980-10-31
JPS5459430A (en) 1979-05-14
ES474116A1 (en) 1979-05-16
BE871153A (en) 1979-04-11
FR2406010A1 (en) 1979-05-11
AU4056578A (en) 1980-04-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee