US3058290A - Artificial textile products - Google Patents

Artificial textile products Download PDF

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Publication number
US3058290A
US3058290A US634243A US63424357A US3058290A US 3058290 A US3058290 A US 3058290A US 634243 A US634243 A US 634243A US 63424357 A US63424357 A US 63424357A US 3058290 A US3058290 A US 3058290A
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Prior art keywords
filaments
yarn
denier
per inch
coarser
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US634243A
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Gibbins Leslie Brisbane
Riley Reginald Henry John
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Acordis UK Ltd
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British Celanese Ltd
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D03D15/225—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based artificial, e.g. viscose
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/30—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments
    • D03D15/37—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments with specific cross-section or surface shape
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/41—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with specific twist
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
    • D10B2201/24—Viscose
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • D10B2201/28—Cellulose esters or ethers, e.g. cellulose acetate
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • 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

Definitions

  • This invention relates to artificial textile products and their production, and particularly to artificial continuous filament yarns and fabrics made from them.
  • a yarn suitable for weaving into a fabric consists of continuous filaments of which some of the filaments are fine and some coarse, the finer filaments being from /3 to /s and preferably /3 to /s of the filament denier of the coarser filaments and being at least twice as numerous.
  • the total denier of the fine filaments should be the same order as the total denier of the coarse filaments, the ratio of total denier ranging from, say, a proportion of 2:1 to a proportion of 1:2. In this way, by avoiding a great excess by weight of the coarser filaments, it can be ensured that the finer filaments are not substantially lost in the spaces between the coarser filaments but are exposed on the surface of the mixed-filament yarn.
  • the fine filaments employed for the purposes of the present invention are preferably of generally roundish cross-section, of the type known as bulbous, the spinning conditions under which the filaments are produced by extrusion being adjusted to give such sections. While the coarser filaments may also be of roundish cross-section, it is highly desirable that they should be of elongated cross section, i.e. of a cross-sectional shape having a length which is greater than its breadth in the ratio, taken as an average over the plurality of filaments, of at least 522.
  • the length of the cross-sectional shape referred to need not be a straight length but may be curved into a horeshoe, S, or other irregular form.
  • Filaments having an elongated section of the first type, and thus of ribbonlike cross-section and form can be produced by the use of elongated or slot-like spinning orifices.
  • Filaments of the second type, with an elongated but irregular crosssectional shape can be produced from round or roundish spinning orifices by an appropriate selection of the spin ning conditions employed.
  • the mixing of the coarse and fine filaments in the yarns employed according to the invention is brought about by spinning filaments of the two types simultaneously in the same spinning cabinet, and associating them as a thread or bundle to be twisted into a yarn immediately upon and continuously with their production by extrusion.
  • the two kinds of filaments are extruded not only in the same cabinet, but from the same jet, through jet orifices formed therein of different sizes, and preferably of different shapes. It is a further advantage of the use of filaments of elongated cross-section that they can be spun at the same high linear speed and under the same spinning conditions as the fine filaments, whereby the production of a mixture of filament deniers in this way is made commercially practicable.
  • filaments of either type may be spun first and brought into admixture with the filaments of the other type as the, filaments of said other type are spun, eg, as the latter emerge from the spinning cabinet on their way to a twisting and winding device.
  • filaments of both types may be spun separately and associated together in a further separate operation, e.g. an operation of rewinding with twisting.
  • the invention is of especial advantage in connection with the spinning of filaments of cellulose acetate, whether of an acetone-soluble type of cellulose acetate, or of a cellulose triacetate, i.e. of an acetyl value above 59% reckoned as acetic acid.
  • Filaments of other materials may be employed, for example filaments of other organic derivatives of cellulose such as cellulose propionate and cellulose butyrate, filaments of reconstituted cellulose such as viscose and cuprammonium filaments and filaments produced by the saponification of cellulose acetate filaments, or filaments of wholly synthetic materials such as Nylon 66, polyethylene terephthalate, polyacrynonitrile and the like.
  • the yarns may woven into fabrics in any convenient way and by any appropriate weave. They may constitute the whole or at least a substantial part of either the warp of the woven fabric, or the weft or both. Furthermore, while the invention is of particular importance in relation to woven fabrics, fabrics can be produced from the yarns by knitting, netting, lace making or like fabric-forming operations.
  • Example 1 A solution of cellulose acetate in a volatile solvent is spun into an evaporative atmosphere through a spinning jet having 20 spinning orifices formed therein, 15 of them being circular orifices of 0.06 mm. diameter and the remaining 5 being rectangular slots of 0.2 mm. x 0.04 mm. The resulting yarn is drawn down to give a total denier of and consists of 15 filaments each of 3 filament denier and of roundish, bulbous cross-section together with 5 filaments of a filament denier of the order of 12 and having a cross-section which is fiat with slightly bulbous ends.
  • the 20 filaments are associated together continuously with their extrusion with a twist of 1 turn per inch Z twist and are woven as weft at 56 picks per inch in a plain weave across a warp of cellulose acetate yarn of denier and consisting of 42 uniformly fine and slightly pigmented filaments, the warp being spaced in the reed at 84 ends per inch.
  • the resulting fabric, after finishing, is crisp in handle and resistant to creasing, the handle of the fabric being similar to that of a spun silk fabric.
  • Example 11 A yarn is spun in a manner similar to that described in Example 1, except that the spinning jets contain 15 circular orifices of 0.06 mm. diameter and 5 orifices of semicircular shape having a straight side (i.e. the bounding diameter) 0.13 mm. long.
  • the resulting 100 denier yarn has 15 filaments each of 3 filament denier and of roundish, bulbous cross section as in Example I, and 5 filaments of a filament denier of the order of 12 and having a crosssection which is of U or horseshoe shape.
  • the yarn is woven into a fabric as in Example 1.
  • Example III A yarn is spun as in Example I but through a spinning jet having 26 spinning orifices therein, 20 of which are of circular shape and of 0.05 mm. diameter, while the remaining 6 are of semi-circular shape with a straight side of 0.12 mm. in length.
  • the extruded filaments are drawn down at such a rate as to give a yarn having a total denier of 140, consisting of 20 filaments each of 3 filament denier and of roundish, bulbous cross-section together with 6 filaments of a filament denier of the order of 13 and having a cross section of U or horseshoe shape.
  • the filaments are twisted together continuously with their extrusion with a twist of 1 turn per inch and are woven into a fabric as both warp and weft, plain weave, the warp having 84 ends per inch and the weft 40 picks per inch.
  • Example IV A yarn is spun as in Example III and is then retwisted to 20 turns per inch and is woven, as both warp and weft into a fabric as in Example III.
  • the resulting fabric has the character of a voile fabric.
  • Example V A yarn is spun in a manner similar to that described in Example III, except that the spinning jet contains 20 round holes of 0.04 mm. diameter, and 6 semicircular holes with a straight side of 0.1 mm., while the rate of drawdown is such as to give a yarn having a total denier of 100.
  • the 20 fine filaments of the yarn have a filament denier of 2.2 and the remaining 6 a filament denier of the order of 9.
  • the resulting yarn, twisted continuously with its production to 1 turn per inch, is woven into a fabric as both warp and weft, plain weave, the warp having 96 ends per inch and the weft 90 picks per inch.
  • FIGS. 1-4 are diagrammatic cross-sectional views of the yarns of Examples I, II, III and IV, and V respectively, and
  • FIGS. -8 are diagrammatic representations of portions of the fabrics of Examples I and II, III, IV, and V respectively.
  • a yarn according to claim 1 wherein the cross sectional shape of the coarser filaments is curved into horseshoe form.
  • a cellulose acetate yarn according to claim 1 wherein the finer filaments are of roundish cross section and of the order of 3 denier per filament while the coarser fila ments are of the order of 12 denier per filament.
  • a yarn according to claim 5 consisting of 15 of the finer filaments and 5 of the coarser filaments, the latter having a cross section of horse-shoe form.
  • a yarn according to claim 1 in which substantially the coarser filaments and the liner filaments are of the same length.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)

Description

Oct. 16, 1962 4o PICKS PER INcI-I I40 DEN.(20+6) FIL. ITURN PER INcH 4O PICKS PER IN I40 26 TURNS PER INCH 56 PICKS PER INcH oEN.(Is+s) FIL uRN PER INcH 84 ENDS PER INCH I40 DEN.42 FIL FIG. 6
84 ENDS PER INcH I40 oEN.(2o+e)FII.. I TURN PER mm FIG. 7
DEN. (20+6) 84 E PER INcI-I I40 .(zow) FIL. 20 ms PER mm FIG. 8
9o PICKS PER INcH I00 DEN.(20+6) FIL. ITURN PER INCH 96 ENDS PER INcH I00 DEN.(20+6) FIL. I'ruRN PER INcH fwlczwimm Unite 3,058,290 ARTIFHIEAL TEXTILE PRODUCTS Leslie Brisbane Gibbins and Reginald Henry John Riley,
Spondon, near Derby, England, assignors to British Celanese Limited, a corporation of Great Britain I Filed Ian. 15, 1957, Ser. No. 634,243
Claims priority, application Great Britain Jan. 20, 1956 9 Claims. ((11. 57140) This invention relates to artificial textile products and their production, and particularly to artificial continuous filament yarns and fabrics made from them.
Artificial continuous filament yarns have been made in a wide range of filament deniers, and yarns of coarse filament denier have been woven into fabrics along with other yarns of finer filament denier to produce various effects. It has now been found that highly desirable effects, including a desirable crispness of handle without the harshness commonly characteristic of the use of coarse-denier filaments, and other advantages, can be obtained in fabrics by the use of yarns comprising filaments of coarse denier and filaments of finer denier in admixture in the yarn.
According to the present invention, therefore, a yarn suitable for weaving into a fabric, consists of continuous filaments of which some of the filaments are fine and some coarse, the finer filaments being from /3 to /s and preferably /3 to /s of the filament denier of the coarser filaments and being at least twice as numerous. The total denier of the fine filaments should be the same order as the total denier of the coarse filaments, the ratio of total denier ranging from, say, a proportion of 2:1 to a proportion of 1:2. In this way, by avoiding a great excess by weight of the coarser filaments, it can be ensured that the finer filaments are not substantially lost in the spaces between the coarser filaments but are exposed on the surface of the mixed-filament yarn.
The fine filaments employed for the purposes of the present invention are preferably of generally roundish cross-section, of the type known as bulbous, the spinning conditions under which the filaments are produced by extrusion being adjusted to give such sections. While the coarser filaments may also be of roundish cross-section, it is highly desirable that they should be of elongated cross section, i.e. of a cross-sectional shape having a length which is greater than its breadth in the ratio, taken as an average over the plurality of filaments, of at least 522. The length of the cross-sectional shape referred to need not be a straight length but may be curved into a horeshoe, S, or other irregular form. Filaments having an elongated section of the first type, and thus of ribbonlike cross-section and form can be produced by the use of elongated or slot-like spinning orifices. Filaments of the second type, with an elongated but irregular crosssectional shape, can be produced from round or roundish spinning orifices by an appropriate selection of the spin ning conditions employed.
The mixing of the coarse and fine filaments in the yarns employed according to the invention is brought about by spinning filaments of the two types simultaneously in the same spinning cabinet, and associating them as a thread or bundle to be twisted into a yarn immediately upon and continuously with their production by extrusion. Preferably the two kinds of filaments are extruded not only in the same cabinet, but from the same jet, through jet orifices formed therein of different sizes, and preferably of different shapes. It is a further advantage of the use of filaments of elongated cross-section that they can be spun at the same high linear speed and under the same spinning conditions as the fine filaments, whereby the production of a mixture of filament deniers in this way is made commercially practicable. Alterna- 'ice tively, however, filaments of either type may be spun first and brought into admixture with the filaments of the other type as the, filaments of said other type are spun, eg, as the latter emerge from the spinning cabinet on their way to a twisting and winding device. In this case it is desirable to avoid any twisting together of the preformed filaments before they are associated with the other filaments, which might cause the preformed filaments to associate together as a group instead of intermingling in the finished yarn with the other filaments. Or again, filaments of both types may be spun separately and associated together in a further separate operation, e.g. an operation of rewinding with twisting. Here again, it is desirable to avoid the twisting together of the filaments of either type before association with the other filaments.
The invention is of especial advantage in connection with the spinning of filaments of cellulose acetate, whether of an acetone-soluble type of cellulose acetate, or of a cellulose triacetate, i.e. of an acetyl value above 59% reckoned as acetic acid. Filaments of other materials, however, may be employed, for example filaments of other organic derivatives of cellulose such as cellulose propionate and cellulose butyrate, filaments of reconstituted cellulose such as viscose and cuprammonium filaments and filaments produced by the saponification of cellulose acetate filaments, or filaments of wholly synthetic materials such as Nylon 66, polyethylene terephthalate, polyacrynonitrile and the like. The yarns may woven into fabrics in any convenient way and by any appropriate weave. They may constitute the whole or at least a substantial part of either the warp of the woven fabric, or the weft or both. Furthermore, while the invention is of particular importance in relation to woven fabrics, fabrics can be produced from the yarns by knitting, netting, lace making or like fabric-forming operations.
The following are given as examples of yarns and methods of making them in accordance with the present invention, and of woven fabrics made therefrom.
Example 1 A solution of cellulose acetate in a volatile solvent is spun into an evaporative atmosphere through a spinning jet having 20 spinning orifices formed therein, 15 of them being circular orifices of 0.06 mm. diameter and the remaining 5 being rectangular slots of 0.2 mm. x 0.04 mm. The resulting yarn is drawn down to give a total denier of and consists of 15 filaments each of 3 filament denier and of roundish, bulbous cross-section together with 5 filaments of a filament denier of the order of 12 and having a cross-section which is fiat with slightly bulbous ends. The 20 filaments are associated together continuously with their extrusion with a twist of 1 turn per inch Z twist and are woven as weft at 56 picks per inch in a plain weave across a warp of cellulose acetate yarn of denier and consisting of 42 uniformly fine and slightly pigmented filaments, the warp being spaced in the reed at 84 ends per inch. The resulting fabric, after finishing, is crisp in handle and resistant to creasing, the handle of the fabric being similar to that of a spun silk fabric.
Example 11 A yarn is spun in a manner similar to that described in Example 1, except that the spinning jets contain 15 circular orifices of 0.06 mm. diameter and 5 orifices of semicircular shape having a straight side (i.e. the bounding diameter) 0.13 mm. long. The resulting 100 denier yarn has 15 filaments each of 3 filament denier and of roundish, bulbous cross section as in Example I, and 5 filaments of a filament denier of the order of 12 and having a crosssection which is of U or horseshoe shape. The yarn is woven into a fabric as in Example 1.
Example III A yarn is spun as in Example I but through a spinning jet having 26 spinning orifices therein, 20 of which are of circular shape and of 0.05 mm. diameter, while the remaining 6 are of semi-circular shape with a straight side of 0.12 mm. in length. The extruded filaments are drawn down at such a rate as to give a yarn having a total denier of 140, consisting of 20 filaments each of 3 filament denier and of roundish, bulbous cross-section together with 6 filaments of a filament denier of the order of 13 and having a cross section of U or horseshoe shape. The filaments are twisted together continuously with their extrusion with a twist of 1 turn per inch and are woven into a fabric as both warp and weft, plain weave, the warp having 84 ends per inch and the weft 40 picks per inch.
Example IV A yarn is spun as in Example III and is then retwisted to 20 turns per inch and is woven, as both warp and weft into a fabric as in Example III. The resulting fabric has the character of a voile fabric.
Example V A yarn is spun in a manner similar to that described in Example III, except that the spinning jet contains 20 round holes of 0.04 mm. diameter, and 6 semicircular holes with a straight side of 0.1 mm., while the rate of drawdown is such as to give a yarn having a total denier of 100. The 20 fine filaments of the yarn have a filament denier of 2.2 and the remaining 6 a filament denier of the order of 9. The resulting yarn, twisted continuously with its production to 1 turn per inch, is woven into a fabric as both warp and weft, plain weave, the warp having 96 ends per inch and the weft 90 picks per inch.
The cross-section of the yarn of the above example, and the fabrics thereof, are illustrated in the accompanying drawing, in which:
FIGS. 1-4 are diagrammatic cross-sectional views of the yarns of Examples I, II, III and IV, and V respectively, and
FIGS. -8 are diagrammatic representations of portions of the fabrics of Examples I and II, III, IV, and V respectively.
Having described our invention, what we desire to secure by Letters Patent is:
1. A yarn consisting of continuous filaments in which yarn some of the filaments are uniformly fine and some are uniformly coarse, the finer filaments being from /3 to /s of the filament denier of the coarser filaments and at least twice as numerous, the ratio of the total denier of the finer filaments to the total denier of the coarser filaments is between 2:1 and 1:2, and the coarser filaments have an elongated cross sectional shape having a length-to-breadth ratio of at least 5:2.
2. A yarn according to claim 1, wherein the cross sectional shape of the coarser filaments is curved into horseshoe form.
3. A yarn according to claim 1, wherein the cross sectional shape of the coarser filaments is substantially straight with bulbous ends.
4. A yarn according to claim 1, wherein the finer filaments are of roundish cross section.
5. A cellulose acetate yarn according to claim 1, wherein the finer filaments are of roundish cross section and of the order of 3 denier per filament while the coarser fila ments are of the order of 12 denier per filament.
6. A yarn according to claim 5, consisting of 15 of the finer filaments and 5 of the coarser filaments, the latter having a cross section of horse-shoe form.
7. A woven fabric of which a substantial proportion of the yarns are yarns claimed in claim 1.
8. A woven fabric of which the weft consists of yarns claimed in claim 1.
9. A yarn according to claim 1 in which substantially the coarser filaments and the liner filaments are of the same length.
References Cited in the file of this patent UNITED STATES PATENTS 2,058,551 Beattey Oct. 27, 1936 2,262,872 Whitehead Nov. 18, 1941 2,271,184 Dreyfus Jan. 27, 1942 2,302,555 Klammroth Nov. 17, 1942 2,369,395 Heymann Feb. 13, 1945 2,373,892 Hickey Apr. 17, 1945 2,433,325 Slaughter Dec. 23, 1947 2,461,094 Taylor Feb. 8, 1949 2,520,502 Haux Aug. 29, 1950 2,750,653 White June 19, 1956 2,831,748 Finlayson et al Apr. 22, 1958

Claims (1)

1. A YARN CONSISTING OF CONTINUOUS FILAMENTS IN WHICH YARN SOME OF THE FILAMENTS ARE UNIFORMLY FINE AND SOME ARE UNIFORMLY COARSE, THE FINER FILAMENTS BEING FROM 1/3 TO 1/8 OF THE FILAMENT DENIER OF THE COARSER FILAMENTS AND AT LEAST TWICE AS NUMEROUS, THE RATIO OF THE TOTAL DENIER OF THE FINER FILAMENTS TO THE TOTAL DENIER OF THE COARSER FILAMENTS IS BETWEEN 2:1 AND 1:2, AND THE COARSER FILAMENTS HAVE AN ELONGATED CROSS SECTIONAL SHAPE HAVING A LENGTH-TO-BREADTH RATIO OF AT LEAST 5:2.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164949A (en) * 1963-03-22 1965-01-12 Du Pont Trilobal filamentary yarns
US3220173A (en) * 1964-12-02 1965-11-30 Du Pont Trilobal filamentary yarns
US3279974A (en) * 1963-01-03 1966-10-18 Allied Chem Visibly distinctive melt spun pigmented yarn
US11008676B2 (en) * 2015-12-16 2021-05-18 Edwards Lifesciences Corporation Textured woven fabric for use in implantable bioprostheses
US11788210B1 (en) * 2018-09-10 2023-10-17 Under Armour, Inc. Athletic apparel

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US2058551A (en) * 1933-06-05 1936-10-27 Beattey Earie J Richard Making of rayon
US2262872A (en) * 1938-06-01 1941-11-18 Celanese Corp Method of preparing textile materials
US2271184A (en) * 1940-12-31 1942-01-27 Dreyfus Camille Staple fiber and yarn
US2302555A (en) * 1939-08-26 1942-11-17 North American Rayon Corp Process and apparatus for making artificial threadlike products
US2369395A (en) * 1942-01-21 1945-02-13 American Viscose Corp Yarnlike structure
US2373892A (en) * 1942-12-30 1945-04-17 Eastman Kodak Co Production of resilient filaments and fibers
US2433325A (en) * 1942-08-19 1947-12-23 Extruded Plastics Inc Extruded resinous bristles
US2461094A (en) * 1944-04-12 1949-02-08 American Viscose Corp Method of making lightweight filamentous structures
US2520502A (en) * 1948-06-30 1950-08-29 Pittsburgh Plate Glass Co Method of making synthetic brush bristles
US2750653A (en) * 1955-01-19 1956-06-19 Eastman Kodak Co Yarn structure
US2831748A (en) * 1952-02-26 1958-04-22 British Celanese Process for melt spinning crimped filaments

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058551A (en) * 1933-06-05 1936-10-27 Beattey Earie J Richard Making of rayon
US2262872A (en) * 1938-06-01 1941-11-18 Celanese Corp Method of preparing textile materials
US2302555A (en) * 1939-08-26 1942-11-17 North American Rayon Corp Process and apparatus for making artificial threadlike products
US2271184A (en) * 1940-12-31 1942-01-27 Dreyfus Camille Staple fiber and yarn
US2369395A (en) * 1942-01-21 1945-02-13 American Viscose Corp Yarnlike structure
US2433325A (en) * 1942-08-19 1947-12-23 Extruded Plastics Inc Extruded resinous bristles
US2373892A (en) * 1942-12-30 1945-04-17 Eastman Kodak Co Production of resilient filaments and fibers
US2461094A (en) * 1944-04-12 1949-02-08 American Viscose Corp Method of making lightweight filamentous structures
US2520502A (en) * 1948-06-30 1950-08-29 Pittsburgh Plate Glass Co Method of making synthetic brush bristles
US2831748A (en) * 1952-02-26 1958-04-22 British Celanese Process for melt spinning crimped filaments
US2750653A (en) * 1955-01-19 1956-06-19 Eastman Kodak Co Yarn structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279974A (en) * 1963-01-03 1966-10-18 Allied Chem Visibly distinctive melt spun pigmented yarn
US3164949A (en) * 1963-03-22 1965-01-12 Du Pont Trilobal filamentary yarns
US3220173A (en) * 1964-12-02 1965-11-30 Du Pont Trilobal filamentary yarns
US11008676B2 (en) * 2015-12-16 2021-05-18 Edwards Lifesciences Corporation Textured woven fabric for use in implantable bioprostheses
US11788210B1 (en) * 2018-09-10 2023-10-17 Under Armour, Inc. Athletic apparel

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