GB1454574A - Quenching melt spun filaments - Google Patents

Quenching melt spun filaments

Info

Publication number
GB1454574A
GB1454574A GB2698374A GB2698374A GB1454574A GB 1454574 A GB1454574 A GB 1454574A GB 2698374 A GB2698374 A GB 2698374A GB 2698374 A GB2698374 A GB 2698374A GB 1454574 A GB1454574 A GB 1454574A
Authority
GB
United Kingdom
Prior art keywords
air
zone
gas
filaments
supplied
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.)
Expired
Application number
GB2698374A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1454574A publication Critical patent/GB1454574A/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
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/272—Cleaning; Purging; Avoiding contamination of dies

Abstract

1454574 Quenching filaments E I DU PONT DE NEMOURS & CO 18 June 1974 [18 June 1973 18 April 1974] 26983/74 Heading B5B Filaments from a spinning pack are passed successively through zones of steam, non-condensing inert gas (i.e. a gas inert to the material of the filament and which does not condense at the temperatures and pressures existing in the zone of said gas) and air immediately after leaving the spinning pack. The inert gas, preferably nitrogen, amounts to 5-20% of the total volume of the gas and air. Filaments 1 from a spinning pack 2 surrounded by a heating block 3 are extruded into a steam blanketed first zone 4 supplied with steam from 5, then cooled through a quench box 6 having a zone 9 supplied with the inert non-condensing gas through 11 and then through a zone 10 supplied with air at room temperature from 7, the air passing through a perforated metal screen, tubes which surround the bundle. In zone 10 the air is supplied at a rate equal to the rate at which quiescent air would be aspirated by the moving filaments. The quenching process decreases the need to remove oxidized polymer deposits from the spinneret face.
GB2698374A 1973-06-18 1974-06-18 Quenching melt spun filaments Expired GB1454574A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37067873A 1973-06-18 1973-06-18
US462036A US3907957A (en) 1973-06-18 1974-04-18 Quenching process for melt extruded filaments

Publications (1)

Publication Number Publication Date
GB1454574A true GB1454574A (en) 1976-11-03

Family

ID=27005050

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2698374A Expired GB1454574A (en) 1973-06-18 1974-06-18 Quenching melt spun filaments

Country Status (8)

Country Link
US (1) US3907957A (en)
JP (1) JPS5025814A (en)
CA (1) CA1024318A (en)
DE (1) DE2429027A1 (en)
FR (1) FR2233422B1 (en)
GB (1) GB1454574A (en)
IT (1) IT1025019B (en)
NL (1) NL7408077A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2630055B2 (en) * 1976-07-03 1978-04-27 Bayer Ag, 5090 Leverkusen Process for gassing the nozzle openings when extruding plastic
GB2003085B (en) * 1977-08-19 1982-01-13 Ici Ltd Process for the manufacture of polyamide yarns
US4204828A (en) * 1978-08-01 1980-05-27 Allied Chemical Corporation Quench system for synthetic fibers using fog and flowing air
JPS5756515A (en) * 1980-09-17 1982-04-05 Toray Ind Inc Melt-spinning of polyester
JPS59163423A (en) * 1983-03-09 1984-09-14 Kashima Sekiyu Kk Spinning of carbon yarn
JPS62182978U (en) * 1986-05-14 1987-11-20
FI112252B (en) * 1990-02-05 2003-11-14 Fibervisions L P High temperature resistant fiber bindings
DE69324280T2 (en) * 1992-01-13 1999-08-12 Hercules Inc Heat-bondable fibers for resistant nonwovens
SG50447A1 (en) * 1993-06-24 1998-07-20 Hercules Inc Skin-core high thermal bond strength fiber on melt spin system
DK0719879T3 (en) * 1994-12-19 2000-09-18 Fibervisions L P Process for producing fibers for high strength nonwoven materials and the resulting fibers and nonwoven fabrics
DE19920682B4 (en) * 1999-05-05 2007-04-12 Zimmer Ag Steaming system for spinning system with rectangular nozzles
KR100732097B1 (en) * 2000-06-23 2007-06-27 이 아이 듀폰 디 네모아 앤드 캄파니 Steam Blanketing Apparatus and Method
JP4946111B2 (en) * 2006-03-20 2012-06-06 東レ株式会社 Synthetic fiber melt spinning apparatus and synthetic fiber manufacturing method
US20080157426A1 (en) * 2006-12-29 2008-07-03 Kotwis Joseph E Process and apparatus for reducing die drips and for controlling surface roughness during polymer extrusion
JP5262038B2 (en) * 2007-09-19 2013-08-14 東レ株式会社 Thermoplastic fiber manufacturing method and manufacturing apparatus thereof
CN108411389A (en) * 2018-03-30 2018-08-17 湖州虹君机械有限公司 Cooling device for fiber production

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053611A (en) * 1958-01-21 1962-09-11 Inventa Ag Process for spinning of synthetic fibers
GB901398A (en) * 1960-05-19 1962-07-18 British Nylon Spinners Ltd Improvements in or relating to melt-spinning synthetic polymer filaments
US3553305A (en) * 1967-09-29 1971-01-05 Tin Yam Au Melt-spinning process
DE1905508A1 (en) * 1969-02-05 1970-08-20 Hoechst Ag Method and apparatus for melt spinning synthetic polymers

Also Published As

Publication number Publication date
US3907957A (en) 1975-09-23
FR2233422B1 (en) 1978-01-13
IT1025019B (en) 1978-08-10
DE2429027A1 (en) 1975-01-09
JPS5025814A (en) 1975-03-18
FR2233422A1 (en) 1975-01-10
CA1024318A (en) 1978-01-17
NL7408077A (en) 1974-12-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee