GB1028396A - Novel filaments, process for their production, and products obtained therefrom - Google Patents

Novel filaments, process for their production, and products obtained therefrom

Info

Publication number
GB1028396A
GB1028396A GB2019164A GB2019164A GB1028396A GB 1028396 A GB1028396 A GB 1028396A GB 2019164 A GB2019164 A GB 2019164A GB 2019164 A GB2019164 A GB 2019164A GB 1028396 A GB1028396 A GB 1028396A
Authority
GB
United Kingdom
Prior art keywords
curvature
lobes
pendant
centre
central lobe
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
GB2019164A
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.)
Allied Corp
Original Assignee
Allied Chemical Corp
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 Allied Chemical Corp filed Critical Allied Chemical Corp
Publication of GB1028396A publication Critical patent/GB1028396A/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
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/26—Composite fibers made of two or more materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23907—Pile or nap type surface or component
    • Y10T428/23957—Particular shape or structure of pile
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/298—Physical dimension

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

Filaments of a thermoplastic polymer which have been produced by melt-spinning the polymer (see Division B5) have a tri-lobal cross-section consisting of a central lobe and two pendant lobes, each lobe being bounded by a circular arc, the angle included at the centre of curvature of the central lobe by the lines joining the said centre to the centres of curvature of the two pendant lobes being between 80 and 120 degrees, the lobes being separated at their peripheries by arcs of inverse curvature, the two arcs between the central lobe and each of the pendant lobes being substantially identical and having larger radii of curvature than the arc between the two pendant lobes, the said cross-section having a single line of symmetry passing through the centre of curvature of the central lobe and bisecting the arc of inverse curvature between the two pendant lobes, but no other line of symmetry and no centre of symmetry, the ration of the radius of curvature of the pendant lobes to the distance from the centre of curvature of the central lobe to the centre of curvature of either of the pendant lobes being 0.60 to 1.0, and the circular arcs of the three said lobes substanding at their respective centres of curvature three angles the sum of whose magnitudes is 400 to 800 degrees. The filaments may be formed into a drawn multifilament yarn which may be crimped by a mechanical method at a temperature not below 100 DEG C., the crimped yarn cooled in the relaxed state, tensioned heated to a temperature between the second order transition temperature of the polymer and its melting point, and then cooled. The crimped yarns may be used in the manufacture of tufted carpets and like floor coverings.
GB2019164A 1963-05-14 1964-05-14 Novel filaments, process for their production, and products obtained therefrom Expired GB1028396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28032163 US3216186A (en) 1963-05-14 1963-05-14 Modified cross section yarn

Publications (1)

Publication Number Publication Date
GB1028396A true GB1028396A (en) 1966-05-04

Family

ID=23072585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2019164A Expired GB1028396A (en) 1963-05-14 1964-05-14 Novel filaments, process for their production, and products obtained therefrom

Country Status (9)

Country Link
US (1) US3216186A (en)
JP (1) JPS4940005B1 (en)
BE (1) BE647768A (en)
CH (1) CH428077A (en)
DE (1) DE1435332A1 (en)
ES (1) ES299794A1 (en)
FR (1) FR1396092A (en)
GB (1) GB1028396A (en)
NL (1) NL6405399A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3308221A (en) * 1963-05-14 1967-03-07 Allied Chem Melt spinning of modified cross section yarn
US3266087A (en) * 1965-03-08 1966-08-16 Allied Chem Spinneret plate for melt-spinning
US3457340A (en) * 1966-03-25 1969-07-22 Du Pont Process for uniform application of finish to polyester yarns
US3846969A (en) * 1972-04-13 1974-11-12 Du Pont False-twist texturing yarn of polyester filaments having multilobal cross sections
USRE29363E (en) * 1973-08-30 1977-08-23 E. I. Du Pont De Nemours And Company False-twist texturing yarn of polyester filaments having multilobal cross sections
US4041689A (en) * 1975-11-11 1977-08-16 E. I. Du Pont De Nemours And Company Multilobal polyester yarn
JPS5698599A (en) * 1980-09-29 1981-08-08 Hitachi Ltd Manufacture of multivane fan
US5334452A (en) * 1992-11-16 1994-08-02 Monsanto Company Carpet fibers having multifoliate cross-sectional configuration
US5318738A (en) * 1993-04-13 1994-06-07 E. I. Du Pont De Nemours And Company Process of making hollow polyamide filaments
US20190284721A1 (en) * 2016-05-20 2019-09-19 A&At Llc Non-round solution spun spandex filaments and methods and devices for production thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB731930A (en) * 1952-02-26 1955-06-15 British Celanese Improvements relating to filaments of organic thermoplastic material
BE559086A (en) * 1954-10-26
CH339693A (en) * 1955-08-11 1959-07-15 Thueringisches Kunstfaserwerk Method and device for the production of threads with a lobed cross section from melts of synthetic linear high polymers
US2968857A (en) * 1957-07-30 1961-01-24 Celanese Corp High bulk filamentary material and methods of producing the same
US2939201A (en) * 1959-06-24 1960-06-07 Du Pont Trilobal textile filament
US3039524A (en) * 1958-11-03 1962-06-19 Du Pont Filaments having improved crimp characteristics and products containing same
NL249428A (en) * 1959-03-16
BE622107A (en) * 1961-09-04

Also Published As

Publication number Publication date
DE1435332A1 (en) 1969-01-30
FR1396092A (en) 1965-04-16
BE647768A (en) 1900-01-01
NL6405399A (en) 1964-11-16
US3216186A (en) 1965-11-09
CH428077A (en) 1967-01-15
JPS4940005B1 (en) 1974-10-30
ES299794A1 (en) 1964-11-01

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