IT1051022B - Procedimento per produrre fibre in materiale polimerico e testa di estrusione atta a tale scopo - Google Patents

Procedimento per produrre fibre in materiale polimerico e testa di estrusione atta a tale scopo

Info

Publication number
IT1051022B
IT1051022B IT29919/75A IT2991975A IT1051022B IT 1051022 B IT1051022 B IT 1051022B IT 29919/75 A IT29919/75 A IT 29919/75A IT 2991975 A IT2991975 A IT 2991975A IT 1051022 B IT1051022 B IT 1051022B
Authority
IT
Italy
Prior art keywords
procedure
extrusion head
polymeric fibers
head suitable
producing polymeric
Prior art date
Application number
IT29919/75A
Other languages
English (en)
Italian (it)
Original Assignee
Rothmans Of Pall Mall
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 Rothmans Of Pall Mall filed Critical Rothmans Of Pall Mall
Application granted granted Critical
Publication of IT1051022B publication Critical patent/IT1051022B/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
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
    • 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
    • B29C48/03—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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
IT29919/75A 1974-12-03 1975-12-02 Procedimento per produrre fibre in materiale polimerico e testa di estrusione atta a tale scopo IT1051022B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA215,442A CA1057924A (en) 1974-12-03 1974-12-03 Method of producing polymeric material fibres and extrusion head for the same

Publications (1)

Publication Number Publication Date
IT1051022B true IT1051022B (it) 1981-04-21

Family

ID=4101797

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29919/75A IT1051022B (it) 1974-12-03 1975-12-02 Procedimento per produrre fibre in materiale polimerico e testa di estrusione atta a tale scopo

Country Status (11)

Country Link
JP (1) JPS5178810A (enrdf_load_stackoverflow)
AU (1) AU501055B2 (enrdf_load_stackoverflow)
CA (1) CA1057924A (enrdf_load_stackoverflow)
DE (1) DE2550463C3 (enrdf_load_stackoverflow)
FR (1) FR2293503A1 (enrdf_load_stackoverflow)
GB (1) GB1478800A (enrdf_load_stackoverflow)
IT (1) IT1051022B (enrdf_load_stackoverflow)
MX (1) MX144427A (enrdf_load_stackoverflow)
NL (1) NL163574C (enrdf_load_stackoverflow)
SE (1) SE401532B (enrdf_load_stackoverflow)
ZA (1) ZA756891B (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52132121A (en) * 1976-04-28 1977-11-05 Nippon Sheet Glass Co Ltd Manufacture of thermal plastic fiber
JPS5473916A (en) * 1977-11-25 1979-06-13 Asahi Chem Ind Co Ltd Melt blow spinning device
JPS54103466A (en) * 1978-02-01 1979-08-14 Asahi Chem Ind Co Ltd Melt blowing die
US4486161A (en) * 1983-05-12 1984-12-04 Kimberly-Clark Corporation Melt-blowing die tip with integral tie bars
DE3630392C1 (de) * 1986-09-06 1988-02-11 Rhodia Ag Verfahren zur Herstellung von verfestigten Vliesen
JP2743080B2 (ja) * 1989-01-05 1998-04-22 アキュレト・プロダクツ・カンパニー 不織ウェブの製造方法
ZA903302B (en) * 1989-06-07 1992-04-29 Kimberly Clark Co Process and apparatus for forming a nonwoven web
US5145689A (en) * 1990-10-17 1992-09-08 Exxon Chemical Patents Inc. Meltblowing die
GB9307710D0 (en) * 1993-04-14 1993-06-02 Rothmans Benson & Hedges Smoking apparatus-l
FI3692188T3 (fi) * 2017-10-06 2023-12-05 Chemiefaser Lenzing Ag Laite filamenttien pursottamiseksi ja sulakehrättyjen kuitukankaiden valmistamiseksi

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825380A (en) * 1972-07-07 1974-07-23 Exxon Research Engineering Co Melt-blowing die for producing nonwoven mats

Also Published As

Publication number Publication date
NL7513965A (nl) 1976-06-08
ZA756891B (en) 1976-10-27
DE2550463B2 (de) 1978-07-20
GB1478800A (en) 1977-07-06
NL163574C (nl) 1980-09-15
CA1057924A (en) 1979-07-10
AU8639875A (en) 1977-05-12
DE2550463C3 (de) 1979-03-08
FR2293503A1 (fr) 1976-07-02
DE2550463A1 (de) 1976-06-10
SE401532B (sv) 1978-05-16
AU501055B2 (en) 1979-06-07
MX144427A (es) 1981-10-14
JPS5178810A (enrdf_load_stackoverflow) 1976-07-09
FR2293503B1 (enrdf_load_stackoverflow) 1979-06-22
SE7512306L (sv) 1976-06-04
NL163574B (nl) 1980-04-15

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