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Publication numberUS3359610 A
Publication typeGrant
Publication dateDec 26, 1967
Filing dateOct 11, 1965
Priority dateDec 17, 1963
Publication numberUS 3359610 A, US 3359610A, US-A-3359610, US3359610 A, US3359610A
InventorsFaircloth Charles R
Original AssigneeDeering Milliken Res Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Woven fabrics
US 3359610 A
Abstract  available in
Previous page
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Claims  available in
Description  (OCR text may contain errors)

Dec. 26, 1967 c. R. FAIRCLOTH 3,359,610

WOVEN FABRI CS Original Filed Dec. 17, 1963 INVENTOR.

CHARLES R FAI R CLOTH United States Patent 3,359,610 WOVEN FABRICS Charles R. Faircloth, Abheville, S.C., assignor to Deermg Milliken Research Corporation, Spartanhurg, S.C., a corporation of Delaware Original application Dec. 17, 1963, Ser. No. 331,162, new Patent No. 3,240,656, dated Mar. 15, 1966. Divided and this application Oct. 11, 1965, Ser. No. 494,321

6 Claims. (Cl. 28-72) ABSTRACT OF THE DISCLOSURE A process for manufacturing a multi-ply, three-dimensional fabric by attaching the plies together with elastically developable yarns in such a manner that the segments of attachment in adjacent yarns of the outer plies are in opposing relationship, so that, upon shrinkage of the elastically developable yarns to the interior of the fabric, the segments of attachment are pulled out of the plane of the unattached yarns, to produce puckered effects in the outer plies of said fabric.

This is a division of application Ser. No. 331,162, filed Dec. 17, 1963, now US. Patent No. 3,240,656.

This invention relates to new and novel fabric constructions, especially to fabric constructions having improved surface characteristics. In particular, it relates to corrugated multiple-ply woven fabric constructions possessing, among other properties, outstanding resiliency or stretch.

Fabrics having three-dimensional surface characteristics are known to workers of the art. Such fabric constructions are generally woven from yarns possessing different shrinkage characteristics. These fabrics are then post treated or processed to produce shrinkage. Because of the differential shrinkage characteristics of the individual yarns constituting the fabric the shrinkage produces threedimensional or corrugated surface characteristic. These fabrics provide good properties of insulation, and can e.g. be used in clothing. Unfortunately, however, such usage greatly limits the wearers freedom of movement; far beyond that provided a wearer of non-plied fabric constructions.

For this reason, among others, the usage of multi-ply fabrics is greatly restricted. What is needed are multi-ply fabric constructions which possess greater resiliency and elasticity to allow, among other things, greater freedom of movement.

Accordingly, it is a primary objective of the present invention to provide multi-ply fabrics having such desirable characteristics.

In particular, it is an object to provide durable, resilient or elastic corrugated fabrics which upon being deformed by compressive or tensile forces are capable of returning repeatedly to their original shape after removal of the deforming forces. It is also an object to provide such fabrics possessing extremely good insulating properties, useful against heat or cold. These objects and others will be apparent in view of the following description of the invention.

The fabric constructions contemplated in accordance with this invention are multiple-ply fabrics, or fabrics having a plurality of plied fabric layers, including a layer of essentially non-elastic or inelastic yarns and a layer or ply of essentially elastic fibers capable of shrinkage by post treatment with heat after fabrication but which elastic yarns nevertheless retain the properties of resiliency and stretch after such treatment of the fabric. Moreover, these plied fabric constructions are retained together by a weave of the elastic yarns with the fabric composed of the inelastic yarns, the elastic yarns being Woven into the ply "ice of inelastic yarns at discrete locations of attachment spacially separated from other locations of attachment to leave relatively wide areas of non-attachment. Thus, the ply of elastic yarns attached at relatively few locations float on one surface of the ply of inelastic yarns to which it is bound by the construction of composite fabrics. In this manner a corrugated effect is produced in the ply of inelastic yarns by the post heat treatment to cause shrinkage of the elastic yarns and a puckering or outward displacement of the ply of inelastic yarns at the locations of non-attachment. Various designs and effects can be produced as regards the surface characteristics of the ply of inelastic yarns, and the resultant bulked fabric or cloth will remain highly flexible or elastic.

A preferred embodiment of the invention contemplates, in particular, a multiple-ply woven fabric construction having outer plies of inelastic fibers retained together by an inner weave of elastic yarns which attach with the plies composed of the inelastic yarns at locations spacially separated one from another. A highly useful and especially desirable construction of this type contemplates a twoply woven fabric construction having two outer fabric layers of essentially inelastic yarns, these being retained together by a weave of elastic yarns which attaches at spacially separated locations with both the outer fabric layers composed of inelastic yarns.

The contemplated constructions of the elastic yarns range from about 2 to about percent by weight, based on the total weight of the fabric. Preferably, however, the elastic yarns constitute from about 5 to about 15 percent of the overall weight of the fabric.

The invention will be better understood by reference to the following detailed description and to the attached drawings which specifically describe preferred embodiments.

In the drawings:

FIGURE 1 is a top plan view of a post heat treated multi-ply fabric construction;

FIGURE 2 is an expanded sectional or edge view of a two-ply fabric construction prior to any post heat treatment to effect shrinkage;

FIGURE 3 is an expanded sectional view taken along section 33 of FIGURE 1 and is similar to the fabric construction shown in FIGURE 2 but differs therefrom only in that it has been post heat treated to effect shrinkage of the elastic fibers;

FIGURE 4 is a schematic diagram showing formation of a diamond shaped pattern in a two-ply fabric construction; and

FIGURE 5 is an expanded sectional view of a post heat treated fabric in accordance with the present invention.

The following numerical reference to individual filler yarns, whether elastic or inelastic, is intended in generic sense. Letters are used to designate characteristic areas or segments formed on the surfaces of the fabric in accordance with the invention.

Referring to FIGURES 1-3, and especially to FIG- URE 2, is shown a two-ply fabric construction embodying an upper ply 10 and lower ply 20, these plies 10, 20 being retained together by elastic yarns or threads constituting in effect a third or inner ply 30'.

In such construction the upper ply 10 is constituted of filler yarns 11, 12 with warp yarns 13 and the lower ply 20 is constituted of filler yarns 21, 22 With warp yarns 23. These plies 10, 20 are retained or laced together by elastic yarn 31 which is attached at certain discrete segments or locations within upper ply 10 and lower ply 20. Thus, it will be noted that the elastic yarn 31, from a location of attachment with upper ply 10, descends downwardly and passes around and over, then twice under and over the filler yarns 23 of the lower ply 20 as shown at segment A.

The elastic yarn 31 then ascends and passes around and I over, then twice under and over the warp yarns 13 at segment B to attach to upper ply 10. This method of attachment is repeated over and over to produce the desired locations of attachment and non-attachment. Thus, at segment C the elastic yarn 31 attaches to lower ply 20 as at segment A. In the same plane defined by elastic yarn 31 and in both upper ply and lower ply will also be observed segments of non-attachment D, E, and F. The segments D, E, and F, locations of non-attachment, upon shrinkage of the elastic yarn 31 by post heat treating (FIGURE 3), pucker or deform outwardly to create a corrugated or other surface effect.

In similar vein it will be observed that if in another distinct plane formed as along the line of passage of an elastic yarn 32 through the upper ply 10 and lower ply 20, but 180 out of phase with elastic yarn 31, other puckers can be formed, these puckers being in different phase from segments D, E, and F. Such effect is clearly shown by reference to FIGURE 3.

In FIGURE 3 is shown puckered segments D, E, and F formed by shrunken elastic yarn 31 attached at segments A, B, and C. Shown also in this figure, and lying in another plane, are puckered segments G, H, and I formed by attachment of the yarn 32 at segments I, K, and L. FIGURE 3 thus differs from FIGURE 2 only in that the elastic yarns 31, 32 have shrunken as a result of having been post heat processed, as by treatment in an oven or in hot water so as to produce said shrinkage. It is thus seen that shrinkage at the discrete segments of multiply points of attachment maintains the relative rigidity of the segment while, in sharp contrast, at segments of non-attachment the outer ply 10, 20 are raised to produce corrugated or puckered effects. It will be apparent to one knowledgeable in the art that numerous patterns can be produced by selection of various locations of attachment and non-attachment.

Thus it is readily seen that the shrunken elastic yarns, that are-attached to each of the plies of inelastic yarns, as for example, by weaving, at spaced locations, displace outwardly the locations to which the elastic yarns are not attached, so as to form a puckered effect at the outer faces of the fabric.

In FIGURE 1 specifically is affected a diamond shaped pattern, the cloth having been woven pursuant to the principles. herein described and then post heat treated. The locations of attachment are shown in this plan diagram as dotted lines lying at the four corners of each of the diamonds. Except at the four corners of attachment the upper layer of fabric (the side shown) puckers out wardly, as small hollow pockets. On the opposite side of this fabric (the side not shown) and lying at the center of each of the diamonds of the side shown are centers of' attachment (not shown) between the elastic yarns and a lower fabric layer. These corners of attachment also define puckered diamonds on the opposite face of the cloth, similar to that of the side shown. The diamond shapes on the two faces are thus similar but out of phase.

A procedure for preparing a two-ply fabric construction having a diamond pattern on each face of the fabric is thus shown by reference to the schematic diagram of FIGURE 4. In the simplified figure the upper and lower plies of cloth are not shown except in an outline representing the metes and bounds of a transparent fabric. In such fabric construction is shown only parallel series of lines representing elastic yarns lying between the upper and lower plies of fabric; and, lying along these lines, crosses and circles representing points of attachment of the elastic yarns with the upper or lower plies. The crosses represent points of attachment with the upper ply and the small circles represent points of attachment with the lower ply. The lines connecting the crosses and circles, unbroken and dotted lines, respectively, are used to show the outline of diamond shapes upon the upper or lower facerespectively. It will be apparent that a true corrugated effect can be produced, for example,

by a construction wherein all points of attachment, in the upper or lower plies, respectively, are not out of phase, but placed one behind the other.

In FIGURE 5 is shown a fabric construction constituted of :1 ply 44) of essentially shrunken inelastic yarn and a ply 50 of elastic yarns. Thus, the upper ply 40 is constituted of filler yarns 41, 42 and warp yarns 43 while the lower ply 50 is constituted of elastic yarns 51. In this cross-section is shown locations of non-attachment M, N and a location of attachment 0. It is apparent in this particular fabric construction, as in the others described, that by a selection of relatively few points of attachment by the elastic yarns 51, the latter shall constitute a float upon the face of the ply 40. Moreover, various designs can be created by use of different phase relationships between the diflerent points or locations of attachment.

A specific mode of practicing the invention is given by the following example.

Example A fabric was woven on a Crompton & Knowles W-III automatic loom using 106 ends per inch and picks per inch. The warp yarn was 25/2 (cotton count), 50% rayon and 50% acetate yarn spun with 15.3 Z turns per inch in the singles and 11.0 S turns per inch in the ply. The filling yarns were full picks of the same material as the warp yarns but included two picks per inch of textured stretch nylon yarn, two ply 7O denier-17 filament produced with 0 turns of S torque and 0 turn of Z torque plied together with 5 turns of S twist. The fabric was woven with a reed width 65.8 inches, 4 ends per dent, and 26.5 dents per inch. The warp tension employed was 87 grams per 50 ends. The harness crossing was 5 teeth back of center with medium speed at start, slow speed at crossing, and medium speed at stop. The greige width was 64%; inches.

After the fabric had been woven it was treated for 20 minutes by immersion in hot water at 56 C. after which time it was removed from the water and dried. The fabric was found to be highly satisfactory as a three dimensional insulating fabric and was found to possess exceedingly superior properties of resiliency and stretch.

It is apparent that some variations can be made without departing the spirit and scope of the invention. A feature of the invention resides in the use of special texturized yarns in the weaving together of the plies of inelastic yarns, which textured yarns possess the ability to shrink upon post heat treatment to provide fabrics with raised surface areas, puckers, or hollow air spaces for insulation qualities and appearance, but yet, which retain sufficient elasticity to provide a comfortable amount of stretch. It is of course apparent that fabrics could be constructed with elastic yarns in a stretched taut condition and afterwards relaxed to provide some of the advantages of this invention, and such constructions are considered within the spirit and scope hereof.

Numerous non-elastic fibers are known to the art and are suitable for the practice of this invention. Illustrative of non-elastic or substantially non-elastic fibers suitable for such use include cotton, rayon, Dacron, nylon, Orlon, Acetate, Acrilan, Creslan, Dynel, Fortrel, Kodel, wool and the like. Likewise numerous textured or elastic yarns are known, and are suitable for the fabric constructions of the present invention including e.g. crimped nylon, polyurethane and the like.

The woven fabric after its fabrication is subjected to a thermal treatment to shrink or partially shrink the elastic fibers. This involves transferring heat into the elastic yarn by any known wet or dry method, but preferably the fabric is immersed in hot water, over 75 F. It is understood, of course, that the shrinkage characteristics of various fibers differ and require various temperature-time relationships. As examples, the spandex yarns generally develop best at a temperature ranging from about 100 to about F.; nylon from about 140 to about 160 E; and Dacron at from about 180 to 212 F. Generally the yarns require only about to about 30 minutes for sufiicient shrinkage.

Having described the invention What is claimed is:

1. A process for manufacturing a fabric of at least two plies comprising forming a fabric having at least two outer plies containing non-elastic yarns, attaching said plies together with a plurality of elastically developable yarns, said elastically developable yarns being interconnected alternately with the yarns of both of said outer plies at spaced locations to form segments of attachment of said elastically developable yarns and the yarns of said outer plies, said segments of attachment in adjacent yarns of both plies being in opposing relationship; subjecting said fabric to conditions whereby the elastically developable yarns in both plies shrink to cause the yarns located in the segments of attachment of both plies to be pulled out of the plane of yarns of the same ply outside the segments of attachment, to provide puckered effects in both outer plies of said fabric, said shrunken yarns being located interiorly of said fabric.

2. The process of claim 1 wherein the elastically developable yarns comprise texturized synthetic filaments and the conditions for shrinking said yarns involve a heat treatment.

3. The process of claim 1 wherein the segments of attachment in said plies are one behind the other.

4. The process of claim 1 wherein the elastically developable yarns comprise stretched inherently elastic yarns References Cited UNITED STATES PATENTS 1,081,006 12/1913 Frissell 139-422 2,757,437 8/1956 Faris et a1. 161-73 2,857,653 10/ 1958 Ephland 2876 3,071,165 1/ 1963 Truslow et al. 2872 FOREIGN PATENTS 796,933 6/ 8 Great Britain.

HENRY S. IAUDON, Primary Examiner.


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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3835512 *Dec 8, 1969Sep 17, 1974Vyzk Ustav PletarskyMethod of producing relief patterned nonwoven textiles
US4734311 *Sep 4, 1985Mar 29, 1988Kimberly-Clark CorporationTextiles and polymers
US6489000Mar 15, 2000Dec 3, 2002Delta Tooling Co., Ltd.Cushion having a three-dimensional net
US6582794Sep 29, 2000Jun 24, 2003Hunter Douglas Industries B.V.Architectural covering
US6672361Mar 13, 2002Jan 6, 2004Hunter Douglas Industries BvArchitectural covering
US7192633May 3, 2003Mar 20, 2007Hunter Douglas Industries BvArchitectural covering
US7396784 *Nov 6, 2002Jul 8, 2008KermelMultilayer laminated sheet material usable for making protective garments, in particular for fire-fighters
US7932194 *Sep 3, 2003Apr 26, 2011E. I. Du Pont De Nemours And CompanyFabric for protective garments
US8747593Aug 10, 2012Jun 10, 2014Nike, Inc.Methods for manufacturing fluid-filled chambers incorporating spacer textile materials
US20110138523 *Feb 19, 2010Jun 16, 2011Layson Jr Hoyt MFlame, Heat and Electric Arc Protective Yarn and Fabric
US20130118635 *Oct 24, 2012May 16, 2013International Global Trading Usa, Inc.Flame, Heat and Electric Arc Protective Yarn and Fabric
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CN101967713A *Sep 13, 2010Feb 9, 2011无锡华东创新材料研究院;江苏宝德新材料有限公司Flame retardant fabric expanded with heat and fireproof heat-insulation clothing made of same
CN101967713BSep 13, 2010Aug 29, 2012无锡华东创新材料研究院Flame retardant fabric expanded with heat and fireproof heat-insulation clothing made of same
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EP0685582A1 *Mar 8, 1995Dec 6, 1995Teijin LimitedCushioning structure
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U.S. Classification28/156, 28/167, 28/158, 139/421
International ClassificationD03D11/00
Cooperative ClassificationD10B2401/04, D03D11/00, D10B2401/046, D10B2401/061
European ClassificationD03D11/00