IT1025019B - Processo per la pilatura allo stato fuso di polimeri sintetici - Google Patents

Processo per la pilatura allo stato fuso di polimeri sintetici

Info

Publication number
IT1025019B
IT1025019B IT24044/74A IT2404474A IT1025019B IT 1025019 B IT1025019 B IT 1025019B IT 24044/74 A IT24044/74 A IT 24044/74A IT 2404474 A IT2404474 A IT 2404474A IT 1025019 B IT1025019 B IT 1025019B
Authority
IT
Italy
Prior art keywords
casting
synthetic polymers
melt state
melt
state
Prior art date
Application number
IT24044/74A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT1025019B publication Critical patent/IT1025019B/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
IT24044/74A 1973-06-18 1974-06-17 Processo per la pilatura allo stato fuso di polimeri sintetici IT1025019B (it)

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
IT1025019B true IT1025019B (it) 1978-08-10

Family

ID=27005050

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24044/74A IT1025019B (it) 1973-06-18 1974-06-17 Processo per la pilatura allo stato fuso di polimeri sintetici

Country Status (8)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2630055B2 (de) * 1976-07-03 1978-04-27 Bayer Ag, 5090 Leverkusen Verfahren zum Begasen der Düsenöffnungen beim Extrudieren von Kunststoff
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 (ja) * 1983-03-09 1984-09-14 Kashima Sekiyu Kk 炭素繊維の紡糸法
JPS62182978U (it) * 1986-05-14 1987-11-20
FI112252B (fi) * 1990-02-05 2003-11-14 Fibervisions L P Korkealämpötilasietoisia kuitusidoksia
DE69324280T2 (de) * 1992-01-13 1999-08-12 Hercules Inc Wärmeverbindbare Fasern für wiederstandsfähige Vliesstoffe
SG50447A1 (en) * 1993-06-24 1998-07-20 Hercules Inc Skin-core high thermal bond strength fiber on melt spin system
EP0719879B1 (en) * 1994-12-19 2000-07-12 Hercules Incorporated Process for producing fibers for high strength non-woven materials, and the resulting fibers and non-wovens
DE19920682B4 (de) * 1999-05-05 2007-04-12 Zimmer Ag Dampfbeschleierung für Spinnsystem mit Rechteckdüsen
CN1328419C (zh) * 2000-06-23 2007-07-25 因维斯塔技术有限公司 纺丝机的蒸汽分配环及使喷丝板表面无聚合物沉积的方法
JP4946111B2 (ja) * 2006-03-20 2012-06-06 東レ株式会社 合成繊維の溶融紡糸装置および合成繊維の製造方法
WO2008085188A2 (en) * 2006-12-29 2008-07-17 E. I. Du Pont De Nemours And Company Process and apparatus for reducing die drips and for controlling surface roughness during polymer extrusion
JP5262038B2 (ja) * 2007-09-19 2013-08-14 東レ株式会社 熱可塑性繊維の製造方法およびその製造装置
CN108411389A (zh) * 2018-03-30 2018-08-17 湖州虹君机械有限公司 用于纤维生产的冷却装置

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 (de) * 1969-02-05 1970-08-20 Hoechst Ag Verfahren und Vorrichtung zum Schmelzspinnen von synthetischen Polymeren

Also Published As

Publication number Publication date
DE2429027A1 (de) 1975-01-09
JPS5025814A (it) 1975-03-18
GB1454574A (en) 1976-11-03
FR2233422A1 (it) 1975-01-10
NL7408077A (it) 1974-12-20
US3907957A (en) 1975-09-23
CA1024318A (en) 1978-01-17
FR2233422B1 (it) 1978-01-13

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