EP1861530A2 - Substrat comprenant des elements non-tisses - Google Patents

Substrat comprenant des elements non-tisses

Info

Publication number
EP1861530A2
EP1861530A2 EP06739492A EP06739492A EP1861530A2 EP 1861530 A2 EP1861530 A2 EP 1861530A2 EP 06739492 A EP06739492 A EP 06739492A EP 06739492 A EP06739492 A EP 06739492A EP 1861530 A2 EP1861530 A2 EP 1861530A2
Authority
EP
European Patent Office
Prior art keywords
substrate
filamentary members
filamentary
members
interlaced
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.)
Withdrawn
Application number
EP06739492A
Other languages
German (de)
English (en)
Inventor
Harry F. Gladfelter
Benoit Laurent
Angela L. Baer
Timothy D. Sellis
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.)
Federal Mogul LLC
Original Assignee
Federal Mogul 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 Federal Mogul LLC filed Critical Federal Mogul LLC
Publication of EP1861530A2 publication Critical patent/EP1861530A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0035—Protective fabrics
    • D03D1/0043—Protective fabrics for elongated members, i.e. sleeves
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0035—Protective fabrics
    • D03D1/0047—Camouflage fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0035—Protective fabrics
    • D03D1/0058—Electromagnetic radiation resistant
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • 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
    • D03D15/242—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 inorganic, e.g. basalt
    • D03D15/25—Metal
    • D03D15/258—Noble metal
    • 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
    • D03D15/242—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 inorganic, e.g. basalt
    • D03D15/267—Glass
    • 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
    • D03D15/283—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 synthetic polymer-based, e.g. polyamide or polyester fibres
    • 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
    • D03D15/44—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 cross-section or surface shape
    • D03D15/46—Flat yarns, e.g. tapes or films
    • 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
    • D03D15/50—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 properties of the yarns or threads
    • D03D15/56—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 properties of the yarns or threads elastic
    • 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
    • D03D15/50—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 properties of the yarns or threads
    • D03D15/587—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 properties of the yarns or threads adhesive; fusible
    • 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
    • D03D15/50—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 properties of the yarns or threads
    • D03D15/593—Stiff materials, e.g. cane or slat
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D3/00—Woven fabrics characterised by their shape
    • D03D3/02—Tubular fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D9/00—Open-work fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H1/00—Personal protection gear
    • F41H1/02—Armoured or projectile- or missile-resistant garments; Composite protection fabrics
    • 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
    • D10B2101/00—Inorganic fibres
    • D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
    • D10B2101/06—Glass
    • 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
    • D10B2101/00—Inorganic fibres
    • D10B2101/10—Inorganic fibres based on non-oxides other than metals
    • D10B2101/12—Carbon; Pitch
    • 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
    • D10B2101/00—Inorganic fibres
    • D10B2101/20—Metallic fibres
    • 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
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
    • 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
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
    • 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]
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/04—Heat-responsive characteristics
    • D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/062—Load-responsive characteristics stiff, shape retention
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/01—Surface features
    • D10B2403/011—Dissimilar front and back faces
    • D10B2403/0112—One smooth surface, e.g. laminated or coated
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds
    • D10B2403/0241—Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02411—Fabric incorporating additional compounds enhancing mechanical properties with a single array of unbent yarn, e.g. unidirectional reinforcement fabrics
    • 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
    • D10B2505/00—Industrial
    • 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
    • D10B2505/00—Industrial
    • D10B2505/12—Vehicles

Definitions

  • the invention relates to textile substrates which are woven or knitted.
  • Elongated items such as wiring harnesses for example, may endure harsh environmental conditions in automotive, aerospace and marine applications.
  • wiring harnesses may be subjected to vibrations during vehicle operation which can cause abrasion of electrical insulation and result in short circuits.
  • the harnesses may also be exposed to extreme high temperatures due to incident radiant heat, particularly in engine compartments.
  • the harnesses may be subjected to radio frequency or electromagnetic interference or may be the source of such interference. Consideration of radio frequency interference is of particular concern when the wiring harnesses are carrying control signals or emit interference which interferes with radio reception.
  • substrates are currently in use which act as protective shields against the aforementioned environmental threats.
  • Such substrates may be woven or knitted from filamentary members and can provide a sleeve or lining tailored to a specific environment.
  • a woven substrate may serve as a layer for supporting a reflective metallic foil to reduce radiant heat transfer to a wiring harness.
  • a grounded tubular substrate woven of electrically conductive filamentary members may be used as a protective sleeve surrounding a harness to prevent radio frequency or electromagnetic interference.
  • substrates may be used as linings to dampen vibrations and thereby prevent abrasion due to vibration or quiet a component which is induced to rattle and produce noise.
  • the invention provides a substrate.
  • the substrate includes a plurality of first filamentary members oriented in a first direction.
  • the first filamentary members are arranged in spaced apart relation to one another.
  • the substrate also includes a plurality of second filamentary members oriented in a second direction transverse to the first direction.
  • the second filamentary members are spaced apart from one another.
  • the second filamentary members are interlaced with the first filamentary members to define an open mesh.
  • the substrate also includes a plurality of elongated strips of non- woven material oriented in the first direction. Each of the non-woven strips is positioned between at least two of the first filamentary members and interlaced with the second filamentary members.
  • Figure 1 is a perspective view of a woven substrate according to a first embodiment of the invention
  • Figure IA is a detailed sectional view of the substrate shown in Figure l;
  • Figure 2 is a perspective view of a second woven embodiment of the invention.
  • Figure 3 is a perspective view of a third woven embodiment of the invention.
  • Figure 4 is a perspective view of a perspective view of the first embodiment of the invention rolled into a sleeve
  • Figure 5 is a perspective view of a fourth woven embodiment of the invention.
  • Figure 6 is a schematic representation of a knitted embodiment of the invention.
  • Figures 7 - 9 schematically illustrate types of knits for alternative embodiments of the invention.
  • Figures 10-13 show schematic diagrams of additional alternative embodiments of the invention wherein additional weft insertion elements are combined with knitted embodiments of the invention.
  • FIG. 1 shows a perspective view of a substrate according to the invention.
  • Substrate 10 is formed from a plurality of first filamentary members 12 oriented in a first direction, indicated by arrow 14.
  • the direction indicated by arrow 14 corresponds to the warp direction.
  • Filamentary members 12 are interlaced with a plurality of second filamentary members 16.
  • Second filamentary members 16 are oriented transversely to the first filamentary members as indicated by arrow 18.
  • the direction indicated by arrow 18 corresponds to the weft or fill direction.
  • First filamentary members 12 are positioned in spaced apart relation relative to one another, as are the second filamentary members 16, This results in relatively large interstices 20 being formed by the interlacing of the first and second filamentary members. Weaving is a preferred method for interlacing the filamentary members, although warp knitting is also feasible.
  • Substrate 10 also comprises a plurality of elongated non- woven strips
  • Strips 22 are oriented in the warp direction 14. Each strip is positioned between at least two of the first filamentary members 12 and interlaced with the second filamentary members 16, thereby fixing the strips within the substrate. Preferably, elongated strips 22 are sized to substantially fill the interstices 20 formed by the filamentary members. strips 22 may comprise polyester, polypropylene, nylon as well as fiber glass, elastomeric materials and various foams. The material must be flexible so as to be able to be fed through weaving or knitting machines and not disintegrate during manufacture.
  • First filamentary members 12 extending in the warp direction are preferably multi-filament yarns 24 formed of polymer material such as polyester. Multi-filament yarns, provide excellent bending flexibility to the substrate about the weft direction 18. If greater stiffness is desired, however, the first filamentary members may comprise monofilaments. As shown in detail in Figure IA, the substrate 10 may have multiple yarns or multiple monofilaments 26 extending in the warp direction between the elongated strips 22. Multiple yarns increase the tensile strength of the substrate and provide a longitudinal structure 28 with which the second filamentary members 16 may be interlaced. The longitudinal structure 28 locks the second filamentary members 16 in position and helps maintain their spaced apart relation. This contrasts with a substrate having only single yarns or monofilaments in the warp direction, which would allow greater freedom of movement of the second filamentary members, allowing them to shift out of position and possibly compromise the integrity of the substrate.
  • second filamentary members 16, oriented in the weft direction 18, are preferably monofilaments 30 formed of a polymer material such as polyester. Monofilaments are preferred because they provide increased stiffness and can be readily biased by heat, chemical or mechanical means, into a circular shape to form the substrate into a tube or sleeve 31 as shown in Figure 4.
  • the second filamentary members 16 may include two or more monofilaments 30 as shown in detail in Figure IA.
  • Substrate 10 in its flat configuration shown in Figure 1 or in its tubular embodiment shown in Figure 4, has various practical uses.
  • the substrate 10 may be used as a noise suppressing lining within a motor vehicle or a protective sleeve which damps vibrations and reduces or prevents vibration induced abrasion to elongated items received within the sleeve.
  • FIG. 1 Another embodiment 32 of the substrate is shown in Figure 2.
  • Substrate 32 again comprises filamentary members 12 and 16 interlaced to form a relatively open mesh with elongated strips 22 substantially tilling the interstices 20.
  • the strips 22 are plated with an electrically conducting material 34 such as carbon, aluminum, silver or gold.
  • the second filamentary members 16 extending in the weft direction 18 are also electrically conductive. This may be achieved by plating the filamentary members with a conductive material such as copper or aluminum. Electrical continuity in the weft direction may also be achieved by adding conductive wires 36 alongside the filamentary members 16.
  • Exemplary substrate 31 in Figure 4 is similar to the substrate 10 in
  • the second filamentary members 16 are biased into a circular shape.
  • the substrate 31 forms a tube or sleeve to provide a shield for surrounding elongated conductors.
  • a reflecting layer 44 is attached to the substrate, thereby forming a radiant reflective material.
  • Reflecting layer 44 may comprise, for example, aluminum or gold foil bonded directly to the elongated strips 22 and the filamentary members 12 and 16.
  • the reflecting layer may comprise a flexible membrane, such as polyethylene terephthalate that has been coated with a thin metallic layer, for example, copper, silver or gold, by vacuum deposited or sputter means as well as by hot plasma spray techniques.
  • FIG. 5 illustrates an example of a substrate 50 that incorporates non- woven elements and is formed by warp knitting.
  • Substrate 50 is formed from regions of lengthwise warp knit courses 52 arranged in spaced relation to one another.
  • the non-woven elongated strips 54 are inserted in the warp direction 56 between the regions of courses 52.
  • Two filamentary weft insertions, 58 and 60 are positioned on opposite sides of the substrate 50 and are used to capture the elongated strips, the weft insertions being anchored in the warp knit courses 52.
  • filamentary weft insertions 58 and 60 may be polymer monofilaments such as polyester, polypropylene or nylon that can be biased into a circular shape to conform the substrate into a tubular shape having its lengthwise axis along the warp direction if a protective sleeve is required.
  • FIG 6 illustrates schematically an example of a knitting pattern for a substrate 62.
  • Warp knit courses 64 are shown formed using a simple warp knit stitch in which weft elements 66 are inserted.
  • Figures 7-9 schematically illustrate examples of various other types of warp knit stitches that may also be used including the closed tricot stitch 68 ( Figure 7), the open tricot stitch 70 ( Figure 8) and the open pilar stitch 72 ( Figure 9) Net type structures formed by Raschel knits are also feasible, especially for the center courses 64a (see also Figure 5).
  • Additional weft insertion filaments 74 may be incorporated to provide features in addition to substrate capture as previously described.
  • additional warp insertion elements 74 are confined to the knit courses 64 and are comprised of a high-tack, heat fusible yarn. Such yarns are sold under the trade name "GRILON Fusible Bonding Yarn" and supplied by EMS-Griltech of Switzerland. Warp insertion elements 74 may serve in place of an adhesive layer to bond the substrate 62 to another substrate, such as a reflective foil, a membrane or a woven textile as desired.
  • FIG. 10-13 Further examples of substrates featuring high tack yarns 74 are shown in Figures 10-13. Yarns 74 are not confined to isolated regions of courses in these examples but span the entire width of the substrates.
  • substrate 76 is formed using a closed pilar stitch with weft inserted yarn 74.
  • Figure 11 illustrates a substrate 78 having an open pilar stitch.
  • Substrates 80 and 82, formed from closed and open tricot stitches with weft insertion yarns 74 are illustrated in Figures 12 and 13 respectively.
  • Substrates comprising filamentary members woven or warp knitted in a coarse mesh along with non-woven elongated strips provide an effective structure having great versatility.
  • the substrate can provide vibration damping, by virtue of the excellent energy absorbing characteristics of the non-woven strips, the substrate can serve as a heat shield supporting a reflective layer, or the substrate can be configured through the use of electrically conductive coatings and materials to provide a shield against radio frequency and electromagnetic interference.
  • the substrate according to the invention is inexpensive to manufacture due to its substantial use of non-woven materials in place of filamentary members, the non-woven material being less expensive than the filamentary members.
  • the versatility is further shown in that the substrate may be used either in a flat configuration as a lining or may be readily biased into a closed tubular configuration providing a protective sleeve for receiving and protecting elongated items.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Woven Fabrics (AREA)
  • Knitting Of Fabric (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Laminated Bodies (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

La présente invention concerne un substrat qui comprend une pluralité de premiers éléments filamentaires orientés dans une première direction. Les premiers éléments filamentaires sont disposés à distance les uns des autres. Le substrat comprend également une pluralité de seconds éléments filamentaires orientés dans une seconde direction transversale à la première. Les seconds éléments filamentaires sont espacés entre eux. Les seconds éléments filamentaires sont entrelacés avec les premiers éléments filamentaires pour définir un maillage ouvert. Le substrat comprend aussi une pluralité de bandes allongées de matière non-tissée, orientées dans la première direction. Chacune des bandes non-tissées est disposée entre au moins deux des premiers éléments filamentaires et entrelacée avec les seconds éléments filamentaires.
EP06739492A 2005-03-24 2006-03-24 Substrat comprenant des elements non-tisses Withdrawn EP1861530A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66507205P 2005-03-24 2005-03-24
PCT/US2006/010740 WO2006102579A2 (fr) 2005-03-24 2006-03-24 Substrat comprenant des elements non-tisses

Publications (1)

Publication Number Publication Date
EP1861530A2 true EP1861530A2 (fr) 2007-12-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06739492A Withdrawn EP1861530A2 (fr) 2005-03-24 2006-03-24 Substrat comprenant des elements non-tisses

Country Status (6)

Country Link
US (1) US20060213234A1 (fr)
EP (1) EP1861530A2 (fr)
JP (1) JP4704459B2 (fr)
KR (1) KR20070113302A (fr)
CN (1) CN101146962B (fr)
WO (1) WO2006102579A2 (fr)

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Also Published As

Publication number Publication date
KR20070113302A (ko) 2007-11-28
US20060213234A1 (en) 2006-09-28
CN101146962A (zh) 2008-03-19
CN101146962B (zh) 2010-05-26
WO2006102579A2 (fr) 2006-09-28
WO2006102579A3 (fr) 2007-10-25
JP4704459B2 (ja) 2011-06-15
JP2008537641A (ja) 2008-09-18

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