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MXPA05005074A - Blister fabrics with internal connecting elements. - Google Patents

Blister fabrics with internal connecting elements.

Info

Publication number
MXPA05005074A
MXPA05005074A MXPA05005074A MXPA05005074A MXPA05005074A MX PA05005074 A MXPA05005074 A MX PA05005074A MX PA05005074 A MXPA05005074 A MX PA05005074A MX PA05005074 A MXPA05005074 A MX PA05005074A MX PA05005074 A MXPA05005074 A MX PA05005074A
Authority
MX
Mexico
Prior art keywords
layer
fibers
rough
connections
support
Prior art date
Application number
MXPA05005074A
Other languages
Spanish (es)
Inventor
Sharpe Derek
Original Assignee
Milliken & Co
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
Priority claimed from US10/298,476 external-priority patent/US20040097150A1/en
Priority claimed from US10/298,475 external-priority patent/US20040097152A1/en
Application filed by Milliken & Co filed Critical Milliken & Co
Publication of MXPA05005074A publication Critical patent/MXPA05005074A/en

Links

Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/004Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft with weave pattern being non-standard or providing special effects
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00Woven fabrics designed to make specified articles
    • D03D1/0035Protective fabrics
    • D03D1/0041Cut or abrasion resistant
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00Double or multi-ply fabrics not otherwise provided for
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00Double or multi-ply fabrics not otherwise provided for
    • D03D11/02Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20Woven 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
    • D03D15/242Woven 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
    • D03D15/247Mineral
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D27/00Woven pile fabrics
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B1/00Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/02Pile fabrics or articles having similar surface features
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B21/00Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/02Pile fabrics or articles having similar surface features
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01Natural vegetable fibres
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2211/00Protein-based fibres, e.g. animal fibres
    • D10B2211/01Natural animal fibres, e.g. keratin fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Knitting Of Fabric (AREA)
  • Woven Fabrics (AREA)
  • Laminated Bodies (AREA)

Abstract

A blister or composite fabric (10) formed of a double layer jersey knit which is needled to produce internal connections of filaments and/or fibers from yarns extending into, and/or between, the yarns of an adjacent layer.

Description

ROUGH FABRICS WITH ELEMENTS INTERNAL CONNECTORS BACKGROUND The present invention relates to fabrics having internal connector elements to help stabilize the construction of the fabric.
Many methods have been used to stabilize the confection of a flat knitted or woven cloth. Coatings have been applied to prevent the threads from moving. However, the coatings alone can not give the fabric the desired additional characteristics. Recently a process known as hydroentanglement has been employed to provide stabilization to flat weave fabrics. The hydroentangling uses jets of fluid to cause the fibers extending from the main body of a yarn to be entangled with fibers extending from the main body of the other yarn. However, sometimes the entanglement can affect the aesthetic characteristics of the fabric due to the large number of free fibers necessary to create the entanglements by the fluid jets. Therefore, there is a need for fabrics that have been stabilized by other methods, and particular methods for stabilizing the fabrics.
BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a top view of a rough cloth showing one embodiment of the present invention.
Figure 2 is an enlarged cross-sectional view of the rough fabric of Figure 1, taken along lines 2-2.
Figure 3 is an enlarged cross-sectional view of another embodiment of the present invention, using a composite of two separate fabric layers.
Figure 4 is an enlarged partial view of a needle used in the present invention.
Figures 5A and 5B are diagrams showing the seams that are used in an example of the present invention.
DETAILED DESCRIPTION Now with reference to the figures, and in particular to Figures 1-2, a rough cloth 10 is shown showing an embodiment of the present invention. The rough fabric 10 has alternating areas of rough areas 100 and support areas 200. The rough areas 100 have a lower rough layer 110 of a first material independent of a rough top layer 120 of a second material. The support zones 200 are a unified layer of material.
As shown, the rough fabric 10 is formed of support yarns 11 and roughened yarns 12. In one embodiment, the rough fabric 10 is formed of yarns having a size of up to about 600 denier. In another embodiment, the rough fabric 10 is formed of yarns having a size of at least about 15 denier. In a preferred embodiment, the fibers forming the support yarns 11 and the rough yarns 12 may both consist of filament yarns. When used herein, filament yarns include multi-filament yarns. In another embodiment, the support threads 11 and the rough yarns 12 may consist of spun yarns. In yet another embodiment, the support yarns 11 may consist of filament yarns, and the roughened yarns 12 may consist of spun yarns. In yet another embodiment, the support yarns 11 may consist of spun yarns, and the roughened yarns 12 may consist of filament yarns. It is also contemplated that the present invention will work with combined filament and short fiber yarns. The combined strands of filaments and short fibers can be used in the support yarns 11 and / or the rough yarns 12 as a substitute for the filament yarns and / or the spun yarns in the above combinations. The fibers of the filament yarns and / or spun yarns in the present invention can be formed from natural or manufactured material. For example, natural materials may include materials of animal, vegetable or mineral origin that are used as fibers. The fabricated materials can include synthesized polymers of chemical compounds, modified or transformed natural polymers and minerals.
Still referring to Figures 1-2, as shown, the lower rough layer 110 of the rough fabric 10 is an unbreakable knitted jersey fabric of the support yarns 11, and the upper rough layer 120 of the rough fabric 10 is a jersey knit fabric of the roughened yarns 12. Also as shown, the yarns of support 11 form a knitted fabric of double jersey unified in the support zones 200, and the roughened yarns 12 are interspersed between the knit fabric unified double-layer jersey of the support threads 11 in the support areas 200. Although the rough fabric 10 is shown as a knitted fabric, it is contemplated that the rough fabric may be a woven fabric, or a combination of woven knitted fabric and flat woven. In addition, although the unified support zones 200 are shown as a full point section, it is contemplated that the unified support zones could be formed by processes such as knitting, sewing, adhesion or the like.
Referring now to Figure 2, there is shown an enlarged cross-sectional area of the rough fabric 10. As shown, the connections of the rough area 130 are formed between the lower rough layer 110 and the upper rough layer 120 by parts of the fibers coming from the threads in a layer of the rough zone 100 that passes from these threads towards and / or between the threads of the other layer of the rough zone 110. The connections of the lower rough layer 131 are formed between the layer roughened bottom 10 and the upper rough layer 120 by portions of the fibers coming from the threads of the lower rough layer 110 passing from these threads towards, and / or between, the threads of the upper rough layer 120. The connections of the layer roughened upper 132 are formed between the upper rough layer 120 and the lower rough layer 110 by portions of the fibers coming from the yarns of the upper rough layer 120 passing from these yarns towards and / or between, the yarns of the lower rough layer 10 0. The connections of the lower rough layer 131 and the connections of the upper rough layer 132 provide a secure tie between the lower rough layer 110 and the upper rough layer 120.
Still in relation to Figure 2, a fiber forming one of the connections of the lower rough layer 131 originates from a yarn of the lower rough layer 110 and then protrudes towards the upper rough layer 120. The fibers coming from the rough layer lower 110 forming the connections of the lower rough layer 131 are secured by the fibers or filaments of the main body-of the threads in the upper rough layer 120. A part of the fibers forming the connections of the lower rough layer 131 are secured between the fibers within the main body of the threads in the lower rough layer 120, the main body being the group of fibers that is oriented in approximately the same direction as the thread itself. Another part of the fibers forming the connections of the lower rough layer 131 is secured between the threads of the upper rough layer 120 by the fibers of the main body of these threads. A fiber forming one of the connections of the upper rough layer 132 originates from a thread in the upper rough layer 120 and then protrudes towards the lower rough layer 110. The fibers of the upper rough layer 120 forming the layer connections Top 132 are secured by the fibers or filaments of the main body of the threads in the lower rough layer 110. A portion of the fibers that "form the connections of the upper rough layer 132 are secured between the fibers within the main body of the threads. in the lower rough layer 110, the main body being the group of fibers which is oriented in approximately the same direction as the yarn itself.Another part of the fibers forming the connections of the upper rough layer 132 are secured between the yarns of the yarn. lower rough layer 110 by the fibers in the main body of these threads These types of connections contrast with the connections that are formed between the threads and the layers by the enma of the fibers extending generally outwardly and at least radially partially from a yarn with the fibers extending in a generally outward direction and at least partly radial from another yarn, as observed with many of the hydroentanglement methods of the A fabric.
Many of the connections of the lower rough layer 131 and the connections of the upper rough layer 132 are loops of the fibers from the respective feed layers that are inserted into the corresponding receiving layers. The fiber loops create two connections, each of the connections being one half of the loop that originates in the same thread and then protrudes towards the same receiving layer. In some cases, the connections of the upper rough layer 131 and / or the connections of the lower rough layer 132 may be formed by sections of the fibers that are joined at only one end of the respective feed wires. In some other cases, a fiber attached to only one end and forming a connection of the upper rough layer 131 or a connection of the lower rough layer 132 can be hooked, bent or curled at the free end to make it more secure with the fibers of the layer corresponding to which the connection is linked.
In one embodiment, the rough area of a fabric embodying the present invention has a total of at least 175 total connections (the total of connections originating from a specific layer and the connections received by this specific layer) per square inch ensuring the rough layer inferior to the upper rough layer, and a maximum of approximately 520,000 total connections per square inch, depending on the necessary stability and the confection of the fabric. In a preferred embodiment, the rough area has a total of about 350 total connections per square inch to about 1050 total connections per square inch, and more preferably about 750 total connections per square inch.
Because the origin of the connections comes from within the wires, and the connections also secure the threads, it is useful to understand the number of total connections (the total of connections originated from a particular thread and the connections received by the particular thread) by distance of the thread. In one embodiment, the yarns forming the upper rough layer or the upper rough layer in the rough area of the fabric embodying the present invention have a minimum of at least about 1.1 total connections per inch of yarn securing the yarn, and a maximum of approximately 1650 total connections per inch of thread. In a preferred embodiment, the yarns forming the lower rough layer or the upper rough layer of the rough area of the fabric embodying the present invention have from about 1.4 total connections per inch of yarn to about 4.2 total connections per inch of yarn, and more preferably about 2.8 total connections per inch of thread.
Because the yarn fibers are the source of the connections, different yarns will have different fiber availability for the connection, and different needs for the number of connections based on the fiber content of the yarn. A measurement of the distance of the filament is the length of a yarn having filament (s) multiplied by the number of filaments of that mass of yarns. Therefore, it is useful to understand the number of total connections (the total of both connections originating from a particular yarn and the connections received by this particular yarn) by filament distance of the yarns for the part of the fabric embodying the present invention. In one embodiment, the yarns forming the lower rough layer or the lower rough layer in the rough area have at least about 0.02 total connections per inch of filament, and a maximum of about 6.4 total connections per inch of filament. In a preferred embodiment, the yarns forming the upper rough layer or the lower rough layer of the rough area have from about 0.022 total connections per inch of filament to about 0.07 total connections per inch of filament, and more preferably about 0.04 connections total per inch of filament.
Again with reference to Figure 2, the support zone 200 is a unitary construction with a portion of the lower support layer 210, a portion of the upper support layer 220, and the captured yarns 230 passing between the portion of the support. the upper support layer 210 and the upper support layer portion 220. In the embodiment shown, the lower support layer portion 210 and the upper support layer portion 220 are formed by the support yarns 11, and the rough yarns 12 form the captured yarns 230 between the two layers. As shown, the connections of the support layer 240 are formed between the portion of the lower support layer 210 and the portion of the upper support layer 220. Likewise, the connections of the retained yarns 250 are formed between the layer of the support layer 240. lower support 210 and the retained yarns 230 and the upper support layer part 220 and the part of the retained yarns 230.
Still in relation to Figure 2, like the connections of the rough zone 230, the connections of the support layer 240 are formed between the lower support layer 210 and the upper support layer 220 by portions of the fibers coming from the threads in a layer of the support zone 220 that passes from these threads to the other layer of the support zone 200. The connections of the lower support layer 241 are formed by fibers originating from a yarn in the layer of support. lower support 210 and then protrude towards, and / or between, the threads of the upper support layer 220. The fibers from the lower support layer 210 forming the connections of the lower support layer 241 are secured by the fibers or filaments in the main body of the yarns in the upper support layer 220. A part of the fibers forming the connections of the lower support layer 241 are secured between the fibers within the main body of the yarns in the upper support layer 220, the main body being the group of fibers that is oriented in approximately the same direction as the thread itself. Another part of the fibers forming the connections of the lower support layer 241 is secured between the threads of the upper support layer 220 by the fibers in the main body of these threads. The connections of the upper support layer 242 are formed by fibers originating from a yarn in the upper support layer 220 and then protrude towards the lower support layer 210. The fibers originating from the upper support layer 220 forming the connections of the upper support layer 242 are secured by the fibers or filaments of the main body of the yarns in the lower support layer 210. A portion of the fibers forming the connections of the upper support layer 242 are secured between the fibers within the main body of the yarns in the lower support layer 210, the main body being the group of fibers that is oriented in approximately the same direction as the yarn itself. Another part of the fibers forming the connections of the upper support layer 242 is secured between the threads of the lower support layer 210 by the fibers in the main body of these threads. The connections of the lower support layer 241 and the connections of the upper support layer 242 provide a secure tie-down between the lower support layer 210 and the upper support layer 220.
As with the connections of the lower rough layer 131 and the connections of the upper rough layer 132, many of the connections of the lower support layer 241 and the connections of the upper support layer 242 are loops of the fibers in the upper support layers. respective feeding wires that are inserted into the corresponding receiving layer. In some cases, the connections of the lower support layer 241 and / or the connections of the upper rough layer 242 can be formed by sections of the fibers that are joined at only one end to the respective supply wires. In some other cases, a fiber attached to only one end and forming a connection of the lower support layer 241 or a connection of the upper support layer 242 can be hooked, bent or crimped at the free end to secure more with the fibers of the layer corresponding receiver to which the connection is linked. The connections of the support layer 240 provide a secure tie-down between the lower support layer 210 and the upper support layer 220, thereby giving the support zone 200 a more stabilized and abrasion-resistant fabric.
In one embodiment, the support zone of a fabric incorporating the present invention has a total of at least about 57 total connections (the total of the connections coming out of a specific layer and the connections received by that specific layer) per square inch. securing the lower support layer to the upper support layer, and a maximum of about 109,110 total connections per square inch, and more preferably about 150 total connections per square inch, depending on the necessary stability and the fabric construction. In one embodiment, the yarns forming the lower support layer of the upper support area of the support zone of the fabric embodying the present invention have a minimum of at least about 0.8 total connections per square inch securing the yarn, and a maximum of about 11.61 total connections per inch, and more preferably about 1.6 total connections per inch of thread. In one embodiment, the wires forming the connections have from about 28.8 connections per inch of filament to about 557 connections per inch of filament.
Still with respect to Figure 2, the connections of the retained yarns 250 are formed between the retained yarns 230 and the lower support layer 210 and the upper support layer 220, by portions of the fibers of the retained yarns 230 that pass to , and / or between, the main body of the threads of the lower support layer 210 or the upper support layer 220, and / or the fibers of the threads of the lower support layer 210 or the upper support layer 200 which pass to the retained threads 230. The connections of the retained lower support threads 251 are formed between the retained threads 230 and the lower support layer 210 by portions of the fibers of the threads of the lower support layer 210 passing therefrom threads towards the main body of the retained threads 230, and by the fibers of the retained threads passing from the retained threads 230 towards, and / or between the main body of the threads of the lower support layer 210. The connections of the threads retained from the upper support 252 are formed between the retained yarns 230 and the upper support layer 220 by portions of the fibers of the yarns of the upper support layer 220 which pass from these yarns towards the main body of the retained yarns 230, and by the fibers of the retained yarns 230 that pass from the retained yarns 230 towards, and / or between, the main body of the yarns of the upper support layer 220.
As with the connections of the lower support layer 241 and the connections of the upper support layer 242, many of the connections of the retained threads of the lower support 251 and the connections of the retained threads of the upper support 252 are curled or they are loops of the fibers of the respective feed threads that are inserted into the threads or the corresponding receiving layer. In other cases, the connections of the retained threads of the lower support 251 and / or the connections of the retained threads of the upper support 252 can be formed by sections of the fibers that are attached to only one end of the respective supply threads. In some other cases, a fiber attached to only one end and forming a connection of retained threads of the lower support 251 or a connection of the retained threads of the upper support 252 can be hooked, bent or crimped at the free end to be more secure with the fibers of the corresponding thread or receiving layer to which the connection is linked.
The connections of the retained yarns 250 provide a secure mooring between the retained yarn 230 and the lower support layer 210, and the retained yarn 230 and the upper support layer 220, thereby giving the support zone 200 a more stabilized cloth. and resistant to abrasion. In one embodiment, the yarns forming the yarns retained from the support zone of the fabric incorporating the present invention have a minimum of at least 0.6 total connections per inch of yarn securing the yarn, a maximum of about 11.61 total connections per inch. of yarn, and more preferably about 1.6 total connections per inch of yarn. In one embodiment, the retained wires have from about 28.8 connections per inch of filament to about 557 connections per inch of filament.
In one embodiment, the needle-punched rugged fabric 10 also includes a backing coating placed on the back side of the lower rough layer 110 and the lower backing layer 210. It has been found that the backing coating further improves the abrasion resistance of the backing. opposite side of the needle-punched rugged fabric 10. The backing coating can be any polymeric material such as latex, vinyl polyacetate or the like. The backing coating can be applied in a concentration from about 0.25 oz / yd 2 to about 5 oz / yd2.
Referring now to Figure 3 there is shown an enlarged cross-section of a fabric composite 20 showing another embodiment of the present invention. The fabric composite 20 is a multilayer cloth, such as a double cloth, a triple cloth, etc. The fabric consists of at least a first layer 21 and a second layer 22. At least the first layer 21 or the second layer is a knitted fabric. In the embodiment shown in Figure 3, the first layer 21 is formed from the yarns of the first layer 23, and the second layer 22 is formed from the yarns of the second layer 24. In one embodiment, the yarns of the first layer 23 and / or the yarns of second layer 24 have a yarn size of up to about 600 denier. In another embodiment, the yarns of the first layer 23 and / or the yarns of the second layer 24 have a yarn size of at least about 15 denier. In a preferred embodiment, the yarns of the first layer 23 and the yarns of the second layer 24 consist of filaments. In another embodiment, the yarns of the first layer 23 are filament yarns and the yarns of the second layer 24 are spun yarns. In still another embodiment, the yarns of the first layer 23 and the yarns of the second layer 24 are spun yarns. Furthermore, it is contemplated that the yarns of the first layer 23 and / or the yarns of the second layer 24 may consist of yarns formed from the combination of filaments and short fibers.
The connections 25 are formed between the first layer 21 and the second layer 22 by filaments of the yarns of the two layers. The connections of the first layer 26 are formed by portions of the fibers of the first layer 21 projecting towards the second layer 22. The connections of the first layer 25 are secured by the fibers of the main body of the yarns of the second layer 24. The connections of the second layer 27 are formed by portions of the fibers of the second layer 22 projecting towards the first layer 21. The connections of the second layer 27 are secured by fibers of the main body of the threads of the first layer 23. It is contemplated that the connections 25 of the present invention may be formed through the entire composite fabric 20, or in small areas.
Many of the connections of the first layer 26 and the connections of the second layer 27 are loops of the fibers from the respective feed layers that are inserted into the corresponding receiving layers. The loops of the fibers create two connections, each of the connections being one half of the loop that originates in the same thread and then protrudes towards the same receiving layer. In some cases, the connections of the first layer 26 and / or the connections of the second layer 27 can be formed by sections of the fibers that are attached to only one end of the respective supply wires. In some other cases, a fiber attached to only one end and forming a connection of the first layer 26 or a connection of the second layer 27 can be hooked, bent or crimped at the free end to be further secured with the fibers of the layer corresponding to which the connection is linked.
In one embodiment, the composite fabric, or the zone of the composite fabric embodying the present invention, has a total of at least about 275 total connections (the total of the connections leaving a specific layer and the connections received by the layer specific) per square inch securing the first layer to the second layer, and a maximum of about 520,000 total connections per square inch, depending on the necessary stability and the confection of the fabric. In a preferred embodiment, there is a total of about 350 total connections per square inch to about 1050 total connections per square inch, and more preferably about 750 total connections per square inch.
In one embodiment, the yarns forming the first layer or the second layer of the composite fabric incorporating the present invention have a minimum of at least about 1.1 total connections per inch of yarn securing the yarn, and a maximum of about 1650 connections. totals per inch of thread. In a preferred embodiment, these yarns have from about 1.4 total connections per inch of yarn to about 4.2 total connections per inch of yarn, and more preferably about 2.8 total connections per inch of yarn.
In one embodiment, the yarns forming the first or second layer of the composite fabric embodying the present invention have at least about 0.02 total connections per inch of filament, and a maximum of about 6.4 total connections per inch of filament. In a preferred embodiment, these yarns have from about 0.022 total connections per inch of filament to about 0.07 total connections per inch of filament, and most preferably about 0.04 total connections per inch of filament.
In a manufacturing method of the present invention, the fabric to be processed is formed and then subjected to a needling process. In one embodiment, the fabric may be a rough fabric that is formed by the normal knitting or plain weaving techniques of filament yarns. The rough fabric consists of areas with two separate layers of knitted fabric material and areas of a double-layer knitted sweater fabric with yarns from one of the two separate layers sandwiched between the layers of the double-layer jersey fabric. In another embodiment, the fabric to be processed are two layers that are to be joined in the further processing. At least one of the layers in a multilayer fabric to be processed as a knitted fabric, and both layers could be a knitted woven fabric. In a preferred embodiment, the yarns forming the fabric to be processed are filament yarns. However, it is contemplated that the yarns could include shorter fibers or could be spun yarns with or without filaments.
The fabric formed to be processed is fed to a needle making machine that pierces the fabric by inserting a bed of needles into the fabric. Usually, the piercing machine inserts the needles into the fabric, and removes the needles, in a direction generally perpendicular to the surface of the fabric. The backing plates provide support for the fabric on the opposite side of the needle bed, and have holes to allow the needles to pass completely through the fabric. The needles can be inserted and removed from either side of the fabric, or from both sides of the fabric. When inserting the needles only from one side, the connections will only be generated by the side of the fabric to be processed, where the needles are inserted. If more needle insertions per square area are needed than can be provided by a single insertion of the needle bed, then the needle bed may be inserted more than once into a particular area of the fabric, or multiple beds may be used. needles to be inserted in the same area.
In one embodiment, the piercing machine inserts the needles into the fabric in a manner that produces little or no relative movement between the needle beds and the fabric in the linear direction (the machine direction) as the fabric moves toward, a through, and out of the hole machine. The relative linear movement between the needle beds and the fabric can be achieved by moving the needle beds with the direction of travel of the fabric as the needles are inserted into the fabric and removed from the fabric. After the fabric is needle-punched, the backing can be applied to the fabric by different known methods such as knife coating, foam coating, laminating, spray coating or other similar methods.
Now with respect to Figure 4 there is shown an enlarged partial view of one embodiment of one of the needles 400 used in the present invention. The needle 400 has a pointed end 410 and notches 420 along the length of the needle 400. The pointed end 410 of the needle 400 facilitates the passage of the needle 400 through the threads and layers of the fabric. The notches 420 of the needle 400 pick up or "hook" fiber from the yarns as the needle 400 passes through the yarns and the layers of the fabric. As the needle 400 continues to pass through the adjoining yarns and / or layers of the fabric, the fibers previously hooked by the notches 420 of the needle 400 move toward the main body of the adjoining yarns and / or fabric layers. . The movement of the fibers by the needle 400 will stretch or pull the fibers of the originating yarns. For the fibers with the ends near the needle 400 the fiber will follow the groove 420 of the needle 400 to the end of the fiber which passes through the groove 420 or the needle 400 reaches the end of its path, and the fiber is deposited in the yarn and / or adjacent fabric layer. For after fibers, the fiber will pass into the yarn and / or adjoining layer until the needle 400 reaches the end of its path, or the tension of the fiber causes the fiber to be released from the groove 420 or the fiber is broken. The part of the fiber that follows the needle and is released from the needle, or breaks, that part of the fiber will be deposited in the yarn and / or adjoining layer.
The result is a positive movement of a part of the fibers and / or filaments or the yarn directly into the main body of the yarns and / or adjacent fabric layers where these fibers and / or filaments create an anchor directly within the main body of the yarn. the adjacent threads and / or fabric layers. The fiber and / or filament left in the adjacent yarn forms the connection between the fabric layers or the yarns of the fabric layer. In contrast, methods such as hydroentanglement cause fibers external to the main body of a yarn to become entangled with the outer fibers of another yarn, providing a less direct connection between the two components. In addition, hydroentangling has a limited ability to provide stability of a filament yarn fabric because there are no or few ends of the filaments that can break from the main body of the yarn and / or fabric layer to entangle with the ends of the yarn. the filaments of other threads and / or layers.
EXAMPLE 1 The present invention can be better understood with reference to the following example. The fabric is a rough fabric formed of two threads 1/200/48 of different color for the support threads and 2/150/50 threads for the rough threads. The rough fabric is formed in a double-bed circular knitting machine with the design of the knitted fabric as shown in Figures 5A and 5B. On the back of the fabric the two support yarns are used to prepare two different colors woven into alternate horizontal stripes, each yarn having approximately 18 stripes per inch (combined making approximately 36 stripes per inch) and approximately 13 columns or longitudinal rows per inch (combined making approximately 20 longitudinal strips per inch). The rough yarn is not woven with knitted fabric on the back of the fabric. On the face of the fabric in the rough area, the rough yarn forms a jersey fabric with approximately 32 horizontal stripes per inch and approximately 28 longitudinal stripes per inch. Also on the face, but in the support area, the two support yarns are woven in alternate horizontal strips, each yarn having approximately 18.25 horizontal stripes per inch each (combined making approximately 36.5 horizontal stripes per inch) and around 11 stripes longitudinal per inch (combined making approximately 28 longitudinal strips per inch).
The rough cloth is then subjected to the needling process to form the connections in the fabric. A double needle loom Dilo Hyperpunch (Dilo Manufacturing Co.) was used to pierce the fabric with a needling movement that had little or no relative movement in the machine direction between the fabric and the needle bed. The needle bed contained Groz-Beckert F222 needles, which are triangular needles with 6 notches (two per angular edge of the needle). The needle bed was inserted into the fabric enough times that about 800 insertions of needles per square centimeter of the fabric were made. It was found that this needling process gives rise to approximately 350 connections per square inch of the fabric in the rough area, which was approximately 1.4 connections per inch of thread and approximately 0.022 connections per inch of filament. The needle-coated fabric was then coated on the backing with approximately 3 oz / yd of latex.
The face of the fabric was subjected to the Taber rub test in accordance with SAE J948, using H-18 wheels with 1000 grams of weight during 200 cycles for samples that were not punched, and samples that were punched. For the fabric that was not pierced, the face of the fabric received a rating of 3.0. For the fabric that was punched, the face of the fabric obtained a 3.5 rating.

Claims (1)

  1. CLAIMS A composite fabric consisting of: a layer of the first fabric being a knitted fabric and having the first thread with fibers of the first thread; and a second layer having roughened yarn with fibers of the second yarn wherein the first layer and the second layer are separate layers; and further includes: connections of the first layer between the first layer and the second layer formed by a part of the fibers of the first thread of the first layer; and connections of the second layer between the second layer and the first layer on the one hand of the fibers of the second yarn coming from the second layer. A composite fabric comprising: a layer of the first fabric being a knitted fabric having first yarn with fibers of the first yarn; and a second layer having roughened yarn with fibers of the second yarn wherein the first layer and the second layer are separate layers; and further includes connections of the first layer between the first layer and the second layer formed by a part of the fibers of the first thread of the first layer. A composite fabric consisting of: a layer of the first fabric being a knitted fabric having first yarn with fibers of the first yarn; and a second layer having roughened yarn with fibers of the second yarn wherein the first layer and the second layer are separate layers; and further includes connections of the second layer between the second layer and the first layer by a portion of the fibers of the second wire coming from the second layer. A rough fabric consisting of: a plurality of support areas of unitary construction; and a plurality of rough areas alternating with the support zones, the rough areas have: a support layer with support threads with fibers of support threads; and a rough layer having roughened yarn with fibers of the roughened yarn wherein the support layer and the roughened layer are separate layers, and wherein at least one of the roughened areas further includes: connections of the support layer between the layer support and the rough layer on one side of the fibers of the support thread of the support layer; and the connections of the rough layer between the rough layer and the support layer on the one hand of the fibers of the rough yarn of the rough layer. A rough fabric consisting of: a plurality of support areas of unitary construction; and a plurality of rough areas alternating with the support zones, the rough areas have: a support layer having support threads with fibers of support threads; and a roughened layer having roughened yarn with fibers of the roughened yarn wherein the support layer and the roughened layer are separate layers, and wherein at least one of the roughened areas further includes: connections of the roughened layer between the roughened layer and the support layer on the one hand of the fibers of the rough yarn of the rough layer. A rough fabric consisting of: a plurality of support areas of unitary construction; and a plurality of rough areas alternating with the support zones, the support zones have: a support layer having support yarn with support yarn fibers; and a roughened layer having roughened yarn with fibers of the roughened yarn wherein the supporting layer and the roughened layer are independent layers, and wherein at least one of the roughened zones further includes: support connections between the supporting layer and the rough layer on the one hand of fibers of the support thread of the support layer.
MXPA05005074A 2002-11-15 2003-09-16 Blister fabrics with internal connecting elements. MXPA05005074A (en)

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US10/298,476 US20040097150A1 (en) 2002-11-15 2002-11-15 Blister fabrics with internal connecting elements
US10/298,475 US20040097152A1 (en) 2002-11-15 2002-11-15 Composite fabrics with internal connecting elements
PCT/US2003/028955 WO2004046435A2 (en) 2002-11-15 2003-09-16 Blister fabrics with internal connecting elements

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CN106381603B (en) * 2016-11-10 2018-06-19 江苏工程职业技术学院 A kind of device and its method for weaving that warp-wise discontinuous seersucker is weaved on small sample loom
CN106400275B (en) * 2016-11-10 2019-02-12 江苏工程职业技术学院 A kind of device and its method for weaving for weaving the cop cloth that interlocks on small sample loom
CN106567179B (en) * 2016-11-10 2018-06-19 江苏工程职业技术学院 A kind of device and its method for weaving that seersucker is weaved on small sample loom
CN106567180B (en) * 2016-11-10 2019-02-12 江苏工程职业技术学院 A kind of device and its method for weaving for weaving four sides seersucker on small sample loom

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JPS56115478U (en) * 1980-02-01 1981-09-04
US5298303A (en) 1989-03-20 1994-03-29 Reeves Brothers, Inc. Fabric structure for severe use applications
JPH0340845A (en) * 1989-07-03 1991-02-21 Kanebo Ltd Wind-protecting knit fabric and production thereof
DE9302039U1 (en) * 1993-02-12 1993-04-01 Trevira GmbH & Co KG, 60528 Frankfurt Double-face circular knit
JP3610102B2 (en) * 1994-11-02 2005-01-12 三菱レイヨン株式会社 Double-sided knitted fabric
JPH08337953A (en) * 1995-06-09 1996-12-24 Hori Sadao Fiber sheet
JPH10273849A (en) * 1997-03-28 1998-10-13 Aono Pile Kk Interlock pile woven fabric of swelling weaving tone having ridge
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CN1694983B (en) 2011-04-06
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JP2006506550A (en) 2006-02-23
AU2003267214A1 (en) 2004-06-15
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WO2004046435A2 (en) 2004-06-03
AU2003267214A8 (en) 2004-06-15

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