WO2004094709A2 - Stretch fabric - Google Patents
Stretch fabric Download PDFInfo
- Publication number
- WO2004094709A2 WO2004094709A2 PCT/US2004/012324 US2004012324W WO2004094709A2 WO 2004094709 A2 WO2004094709 A2 WO 2004094709A2 US 2004012324 W US2004012324 W US 2004012324W WO 2004094709 A2 WO2004094709 A2 WO 2004094709A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fabric
- elastic
- knit
- layer
- binder
- Prior art date
Links
Classifications
-
- 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
- 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
- D04B21/18—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 elastic threads
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
- Y10T442/102—Woven scrim
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
- Y10T442/102—Woven scrim
- Y10T442/109—Metal or metal-coated fiber-containing scrim
- Y10T442/116—Including a woven fabric which is not a scrim
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
- Y10T442/184—Nonwoven scrim
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2738—Coating or impregnation intended to function as an adhesive to solid surfaces subsequently associated therewith
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/40—Knit fabric [i.e., knit strand or strip material]
- Y10T442/45—Knit fabric is characterized by a particular or differential knit pattern other than open knit fabric or a fabric in which the strand denier is specified
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/40—Knit fabric [i.e., knit strand or strip material]
- Y10T442/45—Knit fabric is characterized by a particular or differential knit pattern other than open knit fabric or a fabric in which the strand denier is specified
- Y10T442/456—Including additional strand inserted within knit fabric
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/40—Knit fabric [i.e., knit strand or strip material]
- Y10T442/45—Knit fabric is characterized by a particular or differential knit pattern other than open knit fabric or a fabric in which the strand denier is specified
- Y10T442/456—Including additional strand inserted within knit fabric
- Y10T442/463—Warp knit insert strand
Definitions
- This invention relates to a composite material with controlled elasticity. More particularly, the invention relates to stretch fabrics having an elastic layer laminated to an open carrier layer.
- the stretchable fabric can be made by stretching an elastic or stretchable layer to a selected elongation, placing a nonstretchable layer, such as a nonwoven on the stretched layer, bonding the layers together and allowing the layers to relax so that the nonstretchable layer is gathered.
- the present invention features a stretch fabric including a layer that is elastic in the longitudinally extending direction laminated to one side of a carrier layer.
- the elastic layer/carrier layer laminate is sandwiched between and bonded to top and bottom outer fabric layers that impart the desired properties of appearance, softness and comfort to the elastic fabric.
- the elastic layer is a plurality of longitudinally- extending elastic strands.
- the carrier layer is a warp-knitted fabric, also referred to as a warp knit/weft insertion fabric, oriented with the knit yarns extending longitudinally.
- the warp knit/weft insertion fabric has a weight of less than about 50 grams per square meter (about 1.5 oz. per square yard) and most preferably less than about 25 to 30 grams per square meter (about 0.7 to 0.9 oz. per square yard).
- the top and bottom outer layers can be a lightweight spun-blown synthetic or natural fiber nonwoven, a knitted, or a woven fabric.
- the stretch fabric has a good appearance and is soft and comfortable to the touch, yet has 2a longitudinal strength and is less expensive than its woven or knitted competitors where the elastic yarns are woven or knitted into the fabric as an integral part of the woven or knitted cloth.
- FIG. 1 is top view, partially broken away, of a stretch fabric according to one or more embodiments of the present invention.
- FIG. 2 is a cross-sectional view, taken at line 2—2 of FIG. 1.
- FIG. 3 is a top view of a warp knit/weft insertion layer for use in one or more embodiments of the present invention.
- FIGS. 1 and 2 illustrate a laminated elastic fabric 10 having a top layer 12 and a bottom layer 14 of an outermost woven, knit or nonwoven fabric that imparts the desired properties of appearance, softness and comfort to the fabric.
- a carrier layer 16 Positioned between the top and bottom layers is a carrier layer 16, shown here as a warp knit/weft insertion fabric, and an elastic layer 18 of longitudinally-extending, transversely spaced (about 12 per inch) elastic strands.
- the four-layer structure is laminated together with a binder 20 that impregnates the inner warp knit/weft insertion fabric, coats the elastic layer, and penetrates into a portion of the top and bottom outer layers.
- the adhesive does not saturate the full thickness of the top and bottom outer layers, so that the outermost surface of the elastic fabric is essentially free of binder.
- the binder can penetrate up to about 95% of the thickness of outer layers, and in some embodiments, the binder penetrates into about 25% to about 75% of the outermost fabric. Typically, the binder penetrates into about 50% of the outermost fabric.
- the outermost fabric contacts the wearer and, as such, is a fabric that is comfortable and provides a pleasing appearance. There is no requirement of a particular weight, weave or thickness for the outer layer.
- the top and bottom layers can be the same or different. In some embodiments, it is breathable and/or capable of gathering.
- the outer fabric is a woven, knit, weft knit/warp insertion or nonwoven fabric prepared from synthetic or natural fibers.
- synthetic fibers including cotton and wool, or synthetic (chemical) fibers such as nylon, cellulosics, rayon, polyesters, polyamides, acrylics, polypropylene, polyethylene and the like, including blends of such fibers.
- the fibers are intimately entangled with each other to form a coherent breathable fibrous nonwoven backing.
- the particular fiber composition that is used as the nonwoven backing substrate is selected from those known in the prior art, according to the web property desired.
- Exemplary nonwovens having a desirable soft or comfortable feel include polypropylene, polyester, polyethylene, and cotton nonwovens.
- the nonwoven fabric is lightweight, and can typically be about 10 grams per square meter (about 0.3 oz. per square yard) or about 17-20 grams per square meter (about 0.5-0.6 oz. per square yard).
- the carrier layer supports the elastic layer and acts as a carrier for the binder.
- the carrier layer can be any lightweight and open woven, knit or nonwoven fabric, or it can be a warp knit/weft insertion fabric.
- the carrier layer is selected to reinforce the assembled structure, while retaining the openness (which is a function of thread count and yarn denier, etc.) of the fabric. It is also selected to provide sufficient adhesive surface area to establish a strong adhesive contact with the outer fabric layers and the elastic layer.
- the fabric can be up to about 95% open, i.e., the fabric makes up about 5% of the surface area, and is typically about 70% open.
- a warp knit/weft insertion fabric 300 is shown on outer fabric 310.
- the warp-knit/weft insertion fabric 300 includes one or more weft yams 320 inserted through a knit loop 325.
- the weft insert yarns may include one or more filaments, the number and size of which are selected to have a desired tensile strength.
- the weft yams are shown having three filaments; however, the weft yams may be monofilament or multifilament, for example, the weft yams can have a number of filaments, for example, 3-15 filaments.
- the knitted warp yams 325 form rather loose warp yarn "loops" around the fill yams 320, and the knitted warp structure also provides that each row of the knitted warp includes three yarns extending in the warp direction.
- This three-ya warp knit /weft insertion construction results in a lightweight fabric having high tensile strength (about 12.8 lbs/inch) in the warp direction.
- the fully extended warp knit/weft insertion fabric 300 includes spaces 330 between adjacent weft ya s 320. This spacing, coupled with the loose, non-twisted, filamentary structure of the weft yams themselves, permits the weft yarns to move towards and away from each other in response to stretch and relaxation of the longitudinal elastic strands 18, which is of course accompanied by elongation and relaxation of the warp yams.
- the warp knit/weft insertion fabric has a weight of less than about 50 grams per square meter (about 1.5 oz. per square yard) and most preferably less than about 25 to 30 grams per square meter (about 0.7 to 0.9 oz. per square yard), and may be as low as 5 grams per square meter.
- An exemplary warp knit/weft insertion fabric has a weight ranging from about 25 to about 10 grams per square meter, and a warp/weft thread count ranging from about 18 x 12 to about 9 x 9.
- the knitted warp yarns are about 40 denier polyester; the about 150 denier fill or weft yarns are loose, nontwisted, texturized polyester filaments.
- the elastic strands 18 used in the present invention for the elastic layer include thermoplastic elastomers, synthetic and natural rubbers.
- An exemplary elastic strand is a 280 denier strand, which is sold under the trademark GLOSPAN by Radici spandex Inc. of Fall River, Mass. Depending on the amount of elasticity desired in the elastic fabric 10, both the denier and number of elastic strands per inch (measured transversely) of the fabric may vary.
- the denier of the elastic strands may vary from less than 100 to about 1000, and there may be from about 5 to about 15 elastic strands per inch.
- the elastic yams provide an elastic fabric having a degree of stretch (elongation) ranging from approximately 40% to 275%.
- the elastic fabric 10 is formed by laminating the warp knit/weft insertion fabric 16 when fully extended or taut over stretched elastic strands 18.
- the binder-impregnated elastic layer/warp knit/weft insertion layer is then contacted, while still fully extended, with the upper and lower outer layers.
- Binder 20 impregnates or coats the inner two layers and penetrates into a portion of the top and bottom outer layers.
- the particular binder 20 used to laminate the four layers together to form the finished product depends, principally, on whether and what kind of adhesive properties are desired.
- the binder can be a thermosetting or thermoplastic adhesive that remains flexible when set or cured.
- the binder is a self -curing laminating adhesive.
- Exemplary binders include carboxylated styrene butadiene (SBR) latexes, acrylic emulsions, copolymer acrylic emulsions, and the like.
- An exemplary fabric includes a lightweight nonwoven polypropylene top and bottom outer fabric having a weight of 10 g/m .
- the carrier layer is a warp knit/weft insertion fabric having a 9 x 12 warp/weft thread count with a 40 denier monofilament polyester warp yam and a multifilament warp yarn of 70 denier.
- the elastic layer is 280 denier spandex rubber. All four layers are bonded together using Rovene® 4150 carboxylated SBR emulsion.
- the resultant fabric has a strength in the longitudinal warp direction of about 12 pounds per inch of width, yet it is light and comfortable to wear.
- the laminated elastic fabric of the present invention provides a feel and an appearance that is at least equal and often superior to comparable elastic fabrics.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
- Laminated Bodies (AREA)
- Manufacturing Of Multi-Layer Textile Fabrics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/420,470 | 2003-04-22 | ||
US10/420,470 US20040214494A1 (en) | 2003-04-22 | 2003-04-22 | Stretch fabric |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004094709A2 true WO2004094709A2 (en) | 2004-11-04 |
WO2004094709A3 WO2004094709A3 (en) | 2005-04-14 |
Family
ID=33298511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/012324 WO2004094709A2 (en) | 2003-04-22 | 2004-04-22 | Stretch fabric |
Country Status (2)
Country | Link |
---|---|
US (1) | US20040214494A1 (en) |
WO (1) | WO2004094709A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2106776A1 (en) | 2008-03-31 | 2009-10-07 | Nordenia Technologies GmbH | Elastic adhesive material |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7552501B2 (en) * | 2005-04-29 | 2009-06-30 | Kimberly-Clark Worldwide, Inc. | Finger wipe with improved seam structure |
US7469427B2 (en) * | 2005-06-30 | 2008-12-30 | Kimberly-Clark Worldwide, Inc. | Stretchable and permeable non-woven protective gloves |
US7490634B2 (en) * | 2006-01-20 | 2009-02-17 | Textile Network, Inc. | Stretchable strap with gripper and method of making the same |
EP1996178A2 (en) * | 2006-03-17 | 2008-12-03 | Andover Healthcare, Inc. | Organotellurium and selenium-based antimicrobial antimicrobial formulations and articles |
JP2012501342A (en) * | 2008-08-28 | 2012-01-19 | アンドーバー・ヘルスケア・インコーポレーテッド | Silver antibacterial composition and article |
EP2346684B1 (en) * | 2008-10-27 | 2018-10-03 | Peerless Industrial Systems Pty Ltd | Polymer fabric, method of manufacture and use thereof |
US20110053449A1 (en) * | 2009-08-25 | 2011-03-03 | Welspun Global Brands Limited | Multipurpose Laminated Stretch Fabric |
BR112013029450A2 (en) * | 2011-05-18 | 2017-06-20 | 3M Innovative Properties Co | elastic composite article |
CN110528161A (en) * | 2018-09-13 | 2019-12-03 | 刘汉星 | A kind of manufacturing method of natural antibacterial skin care knitting fabric |
Citations (3)
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US5762623A (en) * | 1995-07-19 | 1998-06-09 | Andover Coated Products, Inc. | Elastic bandage |
US6156424A (en) * | 1997-10-31 | 2000-12-05 | Andover Coated Products, Inc. | Cohesive products |
US6503855B1 (en) * | 1998-10-02 | 2003-01-07 | 3M Innovative Properties Company | Laminated composites |
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GB1061574A (en) * | 1963-06-07 | 1967-03-15 | Kimberly Clark Co | Laminated fabric |
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-
2003
- 2003-04-22 US US10/420,470 patent/US20040214494A1/en not_active Abandoned
-
2004
- 2004-04-22 WO PCT/US2004/012324 patent/WO2004094709A2/en active Application Filing
Patent Citations (3)
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US5762623A (en) * | 1995-07-19 | 1998-06-09 | Andover Coated Products, Inc. | Elastic bandage |
US6156424A (en) * | 1997-10-31 | 2000-12-05 | Andover Coated Products, Inc. | Cohesive products |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2106776A1 (en) | 2008-03-31 | 2009-10-07 | Nordenia Technologies GmbH | Elastic adhesive material |
Also Published As
Publication number | Publication date |
---|---|
US20040214494A1 (en) | 2004-10-28 |
WO2004094709A3 (en) | 2005-04-14 |
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