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US20140090349A1 - Composite yarn for cut resistant fabrics - Google Patents

Composite yarn for cut resistant fabrics Download PDF

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Publication number
US20140090349A1
US20140090349A1 US14/022,699 US201314022699A US2014090349A1 US 20140090349 A1 US20140090349 A1 US 20140090349A1 US 201314022699 A US201314022699 A US 201314022699A US 2014090349 A1 US2014090349 A1 US 2014090349A1
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United States
Prior art keywords
layer
filament
core
cut resistant
wrapped
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.)
Abandoned
Application number
US14/022,699
Inventor
Angela Fisher
Dean Bavetta
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Wells Lamont Industrial Group LLC
Original Assignee
Wells Lamont Industrial Group LLC
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 Wells Lamont Industrial Group LLC filed Critical Wells Lamont Industrial Group LLC
Priority to US14/022,699 priority Critical patent/US20140090349A1/en
Assigned to WELLS LAMONT INDUSTRY GROUP LLC reassignment WELLS LAMONT INDUSTRY GROUP LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BAVETTA, DEAN, FISHER, ANGELA
Publication of US20140090349A1 publication Critical patent/US20140090349A1/en
Abandoned legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/442—Cut or abrasion resistant yarns or threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D02G3/047—Blended or other yarns or threads containing components made from different materials including aramid fibres
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/12—Threads containing metallic filaments or strips
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads
    • D02G3/367—Cored or coated yarns or threads using a drawing frame
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn

Definitions

  • the present invention relates generally to yams and fabrics and, in particular, to a composite yarn fir making cut resistant fabrics.
  • FIG. 1 is a schematic illustrating a system and process for manufacturing a core-spun yarn for use in an embodiment of the composite yarn of the present invention
  • FIG. 2 is an enlarged perspective view of core spun-yams produced using the system and method of FIG. 1 for use in an embodiment of the composite yam or the present invention
  • FIG. 3 is a schematic of an embodiment of the composite yarn of the present invention:
  • FIG. 4 is an alternative schematic view of the composite yarn of FIG. 3 .
  • a core-spun yarn is used to construct a composite, cut resistant yarn for making cut resistant fabrics
  • the fabrics may be used for making for example, gloves and other garments.
  • the terms filament, fiber and thread are used interchangeably, while the term yarn is used to indicate a woven combination of filaments, fibers or threads.
  • the composite yarn is constructed from a core-spun yarn that is wrapped in one direction with a filament made from a cut resistant material such as, for example, stainless steel, fiberglass or synthetic materials, and wrapped in the transverse direction with an additional filament.
  • a cut resistant material such as, for example, stainless steel, fiberglass or synthetic materials
  • a system and process for making a core-spun yarn to serve as the core of an embodiment of the composite yarn of the invention is indicated in general at 10 in FIG. 1 .
  • a core yarn 12 which may be an elastomeric filament yarn, a regular filament yarn, a textured yarn, or a previously spun yarn, is fed into a front delivery roll 14 of the spinning frame.
  • the core yarn 12 may consist of any of the materials listed, in column 1 of Table 1 below
  • Sheath fibers 16 which may consist of any of the materials listed in column 2 of Table 1, including one of the materials only or a combination thereof, cover the core yarn 12 during the spinning operation.
  • the sheath fibers begin as roving 17 , which as known in the art is a condensed sliver that has been drafted, twisted, doubled, and redoubled.
  • the roving passes through drafting rollers 18 a and 18 b prior to delivery to front delivery roll 14 for the spinning; operation.
  • a core-spun yarn 20 is formed, Embodiments of the core-spun yarn are indicated at 20 a and 20 b in FIG. 2 .
  • extruded fibers and resins may incorporate sifter particles for anti-microbial or anti-odor properties as well as phosphorus for resistance to flammability.
  • embodiments of the present invention provide a cut resistant yarn consisting of the core-spun core ( 20 of FIG. 1 and 20 a and 20 h of FIG. 2 ) and two additional outer wrapping layers. More specifically, with reference to FIG. 3 , the core-spun core yarn 20 (or 20 a and 20 b of FIG. 2 ) is wrapped with a first layer in the L-direction using, a filament or yarn 22 , which includes a cut resistant material which may be, for example, stainless steel, fiberglass or a synthetic material (such as polyester, nylon, an aramid, etc.), If stainless steel or fiberglass is used, it is preferably anywhere from 0.001′′ to 0.003′′ in diameter. Alternatively, the first layer may he in the S-direction.
  • the core-spun core yarn (wrapped with the first layer) is wrapped with a second layer in the S-direction for Z-direction if the S-direction was used for the first layer) using a filament or textured filament yarn 24 .
  • the filament 24 of the second layer preferably has a linear mass density in the range of 40 denier to 650 denier.
  • the textured filament preferably is any of the following fibers: Para-aramid, Meta-aramid, UHMWPE, Polyester, Vectran, PPEK, Nylon or Polypropylene.
  • the completed composite yarn is indicated at 30 in FIGS. 3 and 4 .
  • An alternative view of the yarn components is provided in FIG. 4 .
  • the composite yarn 30 allows for smaller gauge knitting capabilities while maintain high performance properties previously only available in larger yarns that combine fiber types at the yarn level and not the fiber level.
  • Embodiments of the composite yarn of the present invention therefore provide combined fiber properties, and therefore product features, on a more “micro” scale than previously available.
  • the loft, of the fibers around the core-spun core provides comfort to the wearer of the final knit structure, such as gloves, made from the composite yarn.
  • the composite yarn provides a second layer ( 24 of FIGS. 3 and 4 ) to cover again a central filament such as glass or steel ( 22 of FIGS. 3 and 4 ) that may be more abrasive on its own when in contact with skin.
  • the loft of the central bundle of filament plus fibers in the core-spun core 20 of FIGS. 1 and 3 helps to embed the first layer wrap ( 22 of FIGS. 3 and 4 ). If this wrap is a filament such as steel, the loft of the central bundle allows the more abrasive filament 22 to embed itself and therefore mask itself from the exterior of the resulting knit structure. Again this adds comfort when compared to more traditional forms of upwound yarns.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

A cut resistant yarn includes a core-spun core. A first layer includes a first filament made of a cut resistant material. The first layer is wrapped around the core-spun core in a first direction, A second layer including a second filament is wrapped around the first layer in a second direction that is opposite of the first direction.

Description

    CLAIM OF PRIORITY
  • This application claims priority to U.S. Provisional Patent Application No 61/699,027, filed Sep. 10, 2012, the contents of which are hereby incorporated by reference.
    • FIELD OF THE INVENTION
  • The present invention relates generally to yams and fabrics and, in particular, to a composite yarn fir making cut resistant fabrics.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a schematic illustrating a system and process for manufacturing a core-spun yarn for use in an embodiment of the composite yarn of the present invention;
  • FIG. 2 is an enlarged perspective view of core spun-yams produced using the system and method of FIG. 1 for use in an embodiment of the composite yam or the present invention;
  • FIG. 3 is a schematic of an embodiment of the composite yarn of the present invention:
  • FIG. 4 is an alternative schematic view of the composite yarn of FIG. 3.
    •  DETAILED DESCRIPTION OF EMBODIMENTS
  • According to embodiments of the present invention, a core-spun yarn is used to construct a composite, cut resistant yarn for making cut resistant fabrics, The fabrics may be used for making for example, gloves and other garments. In the following, description, the terms filament, fiber and thread are used interchangeably, while the term yarn is used to indicate a woven combination of filaments, fibers or threads. In an embodiment of the invention, the composite yarn is constructed from a core-spun yarn that is wrapped in one direction with a filament made from a cut resistant material such as, for example, stainless steel, fiberglass or synthetic materials, and wrapped in the transverse direction with an additional filament. In effect, embodiments of the composite yarn of the invention are created by core spinning an already core-spun yarn.
  • A system and process for making a core-spun yarn to serve as the core of an embodiment of the composite yarn of the invention is indicated in general at 10 in FIG. 1. As illustrated in FIG. 1, a core yarn 12, which may be an elastomeric filament yarn, a regular filament yarn, a textured yarn, or a previously spun yarn, is fed into a front delivery roll 14 of the spinning frame. The core yarn 12 may consist of any of the materials listed, in column 1 of Table 1 below Sheath fibers 16, which may consist of any of the materials listed in column 2 of Table 1, including one of the materials only or a combination thereof, cover the core yarn 12 during the spinning operation. The sheath fibers begin as roving 17, which as known in the art is a condensed sliver that has been drafted, twisted, doubled, and redoubled. The roving passes through drafting rollers 18 a and 18 b prior to delivery to front delivery roll 14 for the spinning; operation. As a result, a core-spun yarn 20 is formed, Embodiments of the core-spun yarn are indicated at 20 a and 20 b in FIG. 2.
  • TABLE 1
    Core-Spun Yarn Combinations for
    Core Cut Resistant Yarn Member
    1 2
    CORE SHEATH
    Filament member of the or the fibers wrapped around
    core-spun, core yarn the core filament
    Fiberglass 75D to 450D Para-aramid fibers
    Para-Aramid 75D to 660D Meta-Aramid Fibers
    Filament UHMWPE 100D to 600D UHMWPE chopped fibers
    Filament Polyester, size, 70D to 600D Basalt Fibers
    Filament Nylon size, 70D to 600D Cellulose Based Rayon Fibers
    Stainless Steel size 0.001 to 0.0025 Cotton
    Vectran Polyester
    Nylon
  • As is known in the art, many of the materials listed in Table 1 may take the form of extruded fibers and resins. Such extruded fibers and resins may incorporate sifter particles for anti-microbial or anti-odor properties as well as phosphorus for resistance to flammability.
  • As noted previously, embodiments of the present invention provide a cut resistant yarn consisting of the core-spun core (20 of FIG. 1 and 20 a and 20 h of FIG. 2) and two additional outer wrapping layers. More specifically, with reference to FIG. 3, the core-spun core yarn 20 (or 20 a and 20 b of FIG. 2) is wrapped with a first layer in the L-direction using, a filament or yarn 22, which includes a cut resistant material which may be, for example, stainless steel, fiberglass or a synthetic material (such as polyester, nylon, an aramid, etc.), If stainless steel or fiberglass is used, it is preferably anywhere from 0.001″ to 0.003″ in diameter. Alternatively, the first layer may he in the S-direction. Next, the core-spun core yarn (wrapped with the first layer) is wrapped with a second layer in the S-direction for Z-direction if the S-direction was used for the first layer) using a filament or textured filament yarn 24. The filament 24 of the second layer preferably has a linear mass density in the range of 40 denier to 650 denier. The textured filament preferably is any of the following fibers: Para-aramid, Meta-aramid, UHMWPE, Polyester, Vectran, PPEK, Nylon or Polypropylene.
  • The completed composite yarn is indicated at 30 in FIGS. 3 and 4. An alternative view of the yarn components is provided in FIG. 4.
  • Using a core-spun core constructed of the materials of Table I in combination with the first and second layers described above provides the composite yarn with benefits and features that make it a high performance yarn. More specifically, the composite yarn 30 allows for smaller gauge knitting capabilities while maintain high performance properties previously only available in larger yarns that combine fiber types at the yarn level and not the fiber level. Embodiments of the composite yarn of the present invention therefore provide combined fiber properties, and therefore product features, on a more “micro” scale than previously available.
  • Furthermore, the loft, of the fibers around the core-spun core provides comfort to the wearer of the final knit structure, such as gloves, made from the composite yarn. In addition, the composite yarn provides a second layer (24 of FIGS. 3 and 4) to cover again a central filament such as glass or steel (22 of FIGS. 3 and 4) that may be more abrasive on its own when in contact with skin.
  • The loft of the central bundle of filament plus fibers in the core-spun core 20 of FIGS. 1 and 3 (or 20 a and 20 b of FIG. 2) helps to embed the first layer wrap (22 of FIGS. 3 and 4). If this wrap is a filament such as steel, the loft of the central bundle allows the more abrasive filament 22 to embed itself and therefore mask itself from the exterior of the resulting knit structure. Again this adds comfort when compared to more traditional forms of upwound yarns.
  • While the preferred embodiments of the invention have been shown and described, it will be apparent to those skilled in the art that changes and modifications may be made therein without departing from the spirit of the invention, the scope of which is defined by the appended claims.

Claims (20)

What is claimed is:
1. A cut resistant yarn comprising:
a. a core-spun core;
b. a first layer including a first filament made of a cut resistant material wrapped around the core-spun core in a first direction; and
c. a second layer including a second filament wrapped around the first layer in a second direction that is opposite of the first direction.
2. The cut resistant yarn of claim wherein the first filament of the first layer is stainless steel.
3. The cut resistant yarn of claim 1 wherein the first filament of the first layer is fiberglass.
4. The cut resistant yarn of claim 1 wherein the first filament of the first layer has a diameter in the range of 0.0001″ to 0.003″.
5. The cut resistant yarn of claim 1 wherein the first layer is wrapped in the Z-direction and the second layer is wrapped in the S-direction.
6. The cut resistant yarn of claim 1 wherein the first layer is wrapped in the S-direction and the second layer is wrapped in the Z-direction.
7. The cut resistant yarn of claim 1 wherein the second filament of the second layer is a textured filament.
8. The cut resistant yarn of claim 1 wherein the second filament of the second layer is selected from the group consisting of Para-aramid, Meta-aramid, UHMWPE, Polyester, Vectran, PPEK, Nylon and Polypropylene.
9. The cut resistant yarn of claim 1 wherein the second filament of the second layer has a linear mass density in the range of 40 denier to 650 denier.
10. The cut resistant yarn of claim 1 wherein the core-spun core includes extruded fibers or resins that incorporate silver particles.
11. A method of making a cut resistant yarn comprising the steps of:
a. spinning a core-spun core;
b. wrapping a first layer including a first filament made of cut resistant material around the core-spun core in a first direction; and
c. wrapping a second layer including a second filament around the first layer in a second direction that is opposite of the first direction.
12. The method of claim 11 wherein the first layer is wrapped in the Z-direction and the second layer is wrapped in the S-direction.
13. The method of claim 11 wherein the first layer is wrapped in the S-direction and the second layer is wrapped in the Z-direction.
14. The method of claim 11 wherein the first filament of the first layer is stainless steel.
15. The method of claim 11 wherein the first filament of the first layer is fiberglass.
16. The method of claim 11 wherein the first filament of the first layer has a diameter in the range of 0.0001″ to 0.003″.
17. The method of claim 11 wherein the second filament of the second layer is selected from the group consisting of Para-aramid, Meta-aramid, UHMWPE, Polyester, Vectran, PPEK, Nylon and Polypropylene.
18. The method o claim 11 wherein the second filament of the second layer is a textured filament.
19. The method of claim 11 wherein the second filament of the second layer has a linear mass density in the range of 40 denier to 650 denier.
20. The method of claim 11 wherein the core-spun core includes extruded fibers or resins that incorporate silver particles.
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Cited By (20)

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US20140283559A1 (en) * 2013-03-15 2014-09-25 World Fibers, Inc. Protective glove with enhanced exterior sections
US20150220146A1 (en) * 2014-01-31 2015-08-06 Wells Lamont Industry Group Llc Cut resistant glove for use with capacitive sensing devices
US20150291006A1 (en) * 2012-10-24 2015-10-15 Audi Ag Heating device for the vehicle interior of a motor vehicle
US20160017521A1 (en) * 2013-03-07 2016-01-21 Rmit University Fabric system
US20160073713A1 (en) * 2014-09-12 2016-03-17 Showa Glove Co. Cut resistant glove, and manufacturing method of cut resistant glove
US20170210168A1 (en) * 2016-01-25 2017-07-27 Hankook Tire Co., Ltd. Hybrid Cord and Tire Using the Same
CN107090634A (en) * 2017-06-28 2017-08-25 浙江蒙泰特种材料科技有限公司 Cut resistant yarn and the resistance to stabbing lining of cut resistant
US20190166932A1 (en) * 2017-12-05 2019-06-06 Wells Lamont Industry Group Llc Hydrophobic and oleophobic cut resistant yarn and glove
CN110004540A (en) * 2018-01-04 2019-07-12 霍尼韦尔国际公司 Anti-cutting yarn structure
CN110184702A (en) * 2019-05-22 2019-08-30 江南大学 Double-contracting twines the production method of folded yarn
US20210195971A1 (en) * 2013-03-15 2021-07-01 World Fibers, Inc. Protective glove with enhanced exterior sections
WO2021178512A1 (en) * 2020-03-03 2021-09-10 Coats American, Inc. Fire and abrasion resistant yarn
JP2022109899A (en) * 2021-01-15 2022-07-28 ユニチカトレーディング株式会社 conductive composite thread
US11478028B2 (en) 2019-04-05 2022-10-25 Wells Lamont Industry Group Llc Disposable cut-resistant glove
US11598027B2 (en) * 2019-12-18 2023-03-07 Patrick Yarn Mills, Inc. Methods and systems for forming a composite yarn
CN117210988A (en) * 2023-08-18 2023-12-12 武汉纺织大学 Basalt fiber layered cross-covered elastic skin-friendly yarn and preparation method thereof
US11873586B2 (en) 2018-12-18 2024-01-16 Honeywell International Inc. Cut-resistant yarn structure
US20240334994A1 (en) * 2021-07-02 2024-10-10 Tilsatec Ltd Protective apparel
CN119843408A (en) * 2025-01-20 2025-04-18 东华大学 Color-changing and cutting-preventing functional composite yarn and preparation method and application thereof
US20250207305A1 (en) * 2023-12-25 2025-06-26 Honmyue Enterprise Co., Ltd. High-strength composite yarn fabric

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Cited By (31)

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US20150291006A1 (en) * 2012-10-24 2015-10-15 Audi Ag Heating device for the vehicle interior of a motor vehicle
US10137759B2 (en) * 2012-10-24 2018-11-27 Audi Ag Heating device for the vehicle interior of a vehicle
US20160017521A1 (en) * 2013-03-07 2016-01-21 Rmit University Fabric system
US10072361B2 (en) * 2013-03-07 2018-09-11 Grt Developments Pty Limited Fabric system
US20140283559A1 (en) * 2013-03-15 2014-09-25 World Fibers, Inc. Protective glove with enhanced exterior sections
US11918064B2 (en) * 2013-03-15 2024-03-05 World Fibers, Inc. Protective glove with enhanced exterior sections
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