EP1085115A2 - Etoffe de support thermomoulable et opaque en tricot circulaire à teneur de spandex très elevé - Google Patents

Etoffe de support thermomoulable et opaque en tricot circulaire à teneur de spandex très elevé Download PDF

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Publication number
EP1085115A2
EP1085115A2 EP00120142A EP00120142A EP1085115A2 EP 1085115 A2 EP1085115 A2 EP 1085115A2 EP 00120142 A EP00120142 A EP 00120142A EP 00120142 A EP00120142 A EP 00120142A EP 1085115 A2 EP1085115 A2 EP 1085115A2
Authority
EP
European Patent Office
Prior art keywords
spandex
fabric
fabrics
moldable
circular knit
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Withdrawn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
EP00120142A
Other languages
German (de)
English (en)
Other versions
EP1085115A3 (fr
Inventor
James Martin Miller
Arlis Stephen Hall
Larry Herbert Stephens
Harry James Mccarter
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.)
Milliken and Co
Original Assignee
Milliken and 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
Application filed by Milliken and Co filed Critical Milliken and Co
Publication of EP1085115A2 publication Critical patent/EP1085115A2/fr
Publication of EP1085115A3 publication Critical patent/EP1085115A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/01—Surface features
    • D10B2403/011—Dissimilar front and back faces
    • D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
    • 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
    • D10B2501/00—Wearing apparel
    • D10B2501/02—Underwear
    • 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
    • D10B2509/00—Medical; Hygiene
    • D10B2509/02—Bandages, dressings or absorbent pads
    • D10B2509/028—Elastic support stockings or elastic bandages

Definitions

  • This invention relates to support garments which comprise opaque heat-moldable circular knit fabrics having relatively high amounts of spandex material as well as sufficient amounts of other fibers to simultaneously provide maximum support and maximum comfort to a wearer and which can be easily molded to the specifications of a wearer's body dimensions.
  • Such high-spandex content, moldable garment fabrics are novel to the industry since the permissible added amount of spandex within such fabrics has been limited due to the power, modulus strength, and elongation of such fibers.
  • the ability to provide moldable, high-spandex circular knit fabrics has been limited, if not impossible, due to the above-noted characteristics of the spandex fibers themselves.
  • inventive moldable fabrics and garments provide such desirable spandex properties while also increasing the comfortability to the wearer.
  • the method of producing such fabrics is also contemplated within this invention.
  • Support garments have been utilized for centuries to provide methods of keeping body parts stationary (such as with knee braces), alleviating discomfort and/or making fashion statements (such as with brassieres, including sports bras), constraining certain areas of a person's body in order ultimately to provide an aesthetically pleasing figure (such as with girdles and the like), protecting particularly susceptible body parts from harm (such as with athletic supporters), and the like.
  • braces have been produced which utilize high tensile strength/low elongation fibers, metal components, and cast materials.
  • Brassieres and girdles have been fashioned from certain fabric configurations, metal wires, and, again, high tensile strength/low elongation fibers.
  • High modulus fibers such as spandex
  • spandex have been introduced in the past within woven and knit fabric constructions in order to provide increased power, elongation, and thus support within such garments.
  • an increase in the amount of spandex has invariably reduced the comfort level due to the highly constrictive power of such high spandex-content fabrics.
  • circular knit fabrics have been extremely difficult to create which comprise high amounts of spandex (greater than 24%) and which are sufficiently comfortable to the wearer.
  • Circular knits are highly desirable as support garments and permit more efficient jet-dyeing procedures through the production of curl-susceptible (i.e., elastomeric fiber-containing) fabrics in tubular form. Jet dyeing provides a simplified and effective method of coloring fabrics quickly and evenly.
  • Warp-knit fabrics comprising curl-susceptible fibers are not produced in tubular form; instead they are formed as webs.
  • the edges of such webs must be attached by gluing, sewing, and the like, and subsequently split apart in order to properly permit jet-dyeing.
  • Such a time-consuming and labor-intensive procedure is therefore unacceptable, particularly for curl-susceptible fabrics for which circular knit constructions are desired.
  • a further object of the invention is to provide a comfortable, functional support garment made from circular knit fabrics of high spandex content.
  • Another object is to provide a support garment which possesses suitable flexibility for placement on and around a target body part and provides excellent support upon placement at the target location.
  • Still a further object of the invention is to provide a method for producing such a high spandex-content circular knit support garment fabric.
  • this invention encompasses an opaque heat-moldable circular knit fabric comprising at least two different types of fibers, wherein one type is spandex, wherein said spandex is present in an amount of at least 24% of the total weight of fabric, and wherein at least one non-spandex-containing float per repeated knit pattern is present within the knit fabric. Furthermore, this invention also concerns a method of forming an opaque heat-moldable, circular knit fabric comprising at least 24% of spandex yarns by weight of the fabric, said method comprising the steps of:
  • support garment is intended to encompass any textile utilized on a person's body for the purpose of providing support to, keeping stationary, and/or protecting a particular body part or parts. Included in this description are brassieres, most notably, but not limited to, sports bras; medical braces, such as for knees or elbows, as merely examples; support underwear, such as "control-top” panties and hosiery; and athletic supporters (i.e., jock straps). Again, this list merely describes preferred embodiments of the inventive support garment and by no means is intended to limit the scope of the invention.
  • Polyester and polyamide are most preferred; however, any natural fibers, such as cotton, ramie, and the like; any other synthetic fibers, such as polyurethanes, acrylics, and the like; and any blends thereof of any natural and/or synthetic fibers may be utilized within the inventive fabric, such as cotton/polyester and polyester/nylon blends.
  • weights of fabric in the range of between 2.0 and 12.5 ounces per square yard are preferred with more preferred possessing weights of 3.5 to about 10.5 ounces per square yard.
  • permissible deniers of such other fibers range from about 10 to about 1,000, with 20 to about 700 more preferable, and from about 70 to about 200 most preferable.
  • synthetic fibers may be present in filament form in any count; however, counts ranging from about 1 to about 100 are preferred, 5 to about 80 more preferred, and from about 20 to about 70 most preferred.
  • spandex is available from DuPont under the tradename Lycra®; however, any type of spandex may be utilized within this inventive fabric.
  • the range of permissible deniers for such fibers is from about 1 to about 1,000; preferably from about 5 to about 700; more preferably from about 50 to about 200; and most preferably from about 100 to about 140.
  • One preferred type of spandex is that which may elongate, at the least, to about 100% of its relaxed length. Again, at least 24% by weight of the target fabric should constitute some form of spandex in order to provide the required power in the fabric (for the required support functions).
  • any other standard textile additives such as dyes, pigments, hydrophobic agents (i.e., fluorocarbons), sizing compounds, and softening agents may also be incorporated within or introduced onto the surface of the target fabric after or incorporated within the constituent fibers prior to production.
  • Particularly desired as optional finishes to the inventive fabrics are soil release agents which improve the wettability and washability of the fabric.
  • Preferred soil release agents include those which provide hydrophilicity to the surface of polyester. With such a modified surface, again, the fabric imparts improved comfort to a wearer by wicking moisture.
  • the preferred soil release agents contemplated within this invention may be found in U.S.
  • the inventive fabric preferably comprises such soil release agents in order to wick moisture from the wearer (as another way of providing comfort), particularly, and primarily when the constituent fibers are spandex and the preferred polyester.
  • Such an inventive fabric also provides the benefit of heat-moldability to the dimensions of a wearer.
  • the yarns themselves will stretch to a certain orientation upon placement of the fabric into a garment and fitting the resultant garment to at least a portion of the body of a wearer. At that point, the fabric may then be heat-set to retain the specific body-dimension yarn orientation in order to provide continued and consistent comfortability for the wearer.
  • the yarns, upon stretching, can thus be set into specific positions upon exposure to the temperature (which is highly dependent upon the type of fibers present; for example, if polyester or polyamide, such as nylon, is utilized, the heat-set temperature is from about 162 to about 210°C) required to melt the constituent yarns into their most relaxed positions when stretched to the wearer's body dimensions, and then cooled, in order to retain the desired yarn and fabric orientation.
  • the temperature which is highly dependent upon the type of fibers present; for example, if polyester or polyamide, such as nylon, is utilized, the heat-set temperature is from about 162 to about 210°C) required to melt the constituent yarns into their most relaxed positions when stretched to the wearer's body dimensions, and then cooled, in order to retain the desired yarn and fabric orientation. This benefit is most pronounced when all synthetic yarns are knitted into the inventive fabric structure.
  • the desired and required degree of opacity possessed by the inventive fabric is provided by the addition of floats (i.e., yarns oriented transversely from the remaining stitch pattern) within the circular knit structure. These floats increase the density of the fabric and pervade discrete areas within the knitted fabric in which generally no fibers are present. By so doing, these floats provide cover to very small areas of the target fabric, and ultimately the target support garment, which would normally remain uncovered. Thus, the utilization of floats increases the opacity of the target fabric and substantially prevents the production of see-through fabrics. Such opacity is highly desirable in order to conceal a wearer's body parts from view.
  • such floats also act to increase the heat-moldability or heat-setting of the fabric to the contours and dimensions of at least a portion of a wearer's body structure as well as to provide increased opacity to the target fabric.
  • This float adds strength to the fabric while also retaining the ability to be modified upon exposure to heat and thus to retain its molded orientation upon heat-setting.
  • the different, individual floats within the target fabric orient themselves to different positions (lengths, stretches, directions, etc.) when fitted to a wearer's body.
  • the floats remain in substantially the same position as the wearer requires for maximum comfort.
  • the other fibers, including the spandex components will also become heat-set to a certain degree as well.
  • the important aspects of this invention lie first in the specific method utilized to incorporate the spandex fibers within the circular knit construction and second in the utilization of at least one float (of a fiber which is not spandex) within each repeating knit pattern of the target fabric.
  • the specific method entails keeping the tension on the spandex substantially constant during the delivery of the spandex thread (or yarn) to the needle bed of the circular knit machine.
  • the thread (or yarn) is then elongated to at least 100% of its stretch capability while it is fed into the needle bed and threaded through a carrier fabric.
  • the thread (or yarn) is then pulled into the loop construction of the fabric while still elongated. After knitting the fiber can then relax into original shape.
  • the inventive method eliminates such problems by first elongating the spandex threads (or yarns) and subsequently knitting them into the desired circular knit structure. The fibers then relax into the same pattern as the other fibers within the target fabric, which, in turn, provides the basis for the production of powerful, heat-moldable, and comfortable circular knit high spandex-content support garments.
  • this inventive fabric may be incorporated into any type of support garment since the high amounts of spandex provide the proper amount of stress and strain for the target fabric.
  • the fabrics may be knit in different fashions in order to provide more power to discrete areas of the fabric depending on the type of support garment within which such fabric will be incorporated.
  • brassieres including sports bras, braces, and athletic supporters are contemplated as support garments for the inventive fabrics.
  • FIG. 1 a preferred heat-moldable inventive fabric 20 is shown which comprises three separate yarns 22, 24, 26 per stitch.
  • the particularly preferred yarns are comprised of spandex 22 , possessing a preferred denier of about 140, 2-ply 68 count polyester filament 24 , possessing a preferred denier of about 70, and a single 68 count polyester filament float yarn 26 , also having a denier of about 70.
  • the spandex yarns 22 are preferably incorporated as the top yarn within each repeating stitch pattern in order to provide greater power internally within each stitch.
  • the float 26 is incorporated in order to provide the moldable characteristics as discussed at greater length above.
  • FIG. 2 represents the rear view of FIG. 1 and illustrates, again, the preferred stitch pattern within the fabric 20 wherein the spandex yarns 22 are present as the top yarns within each repeated stitch in order to supply the desired amount of power for both support and comfort to the wearer.
  • the spandex yarns 20 was measured to comprise roughly 24% of the total weight of the fabric 10 .
  • the possible range of amounts of spandex yarns within the inventive fabrics may be as low as 24% of the total fiber content of the entire fabric structure.
  • An upper limit of roughly 75% would present a limit as to constrictive power for utility within a proper, comfortable support garment. More preferably would be a spandex amount of between 24 and 50%.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
EP00120142A 1999-09-20 2000-09-20 Etoffe de support thermomoulable et opaque en tricot circulaire à teneur de spandex très elevé Withdrawn EP1085115A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39940099A 1999-09-20 1999-09-20
US399400 1999-09-20

Publications (2)

Publication Number Publication Date
EP1085115A2 true EP1085115A2 (fr) 2001-03-21
EP1085115A3 EP1085115A3 (fr) 2003-02-26

Family

ID=23579365

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EP00120142A Withdrawn EP1085115A3 (fr) 1999-09-20 2000-09-20 Etoffe de support thermomoulable et opaque en tricot circulaire à teneur de spandex très elevé

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Country Link
EP (1) EP1085115A3 (fr)
AU (1) AU7375400A (fr)
WO (1) WO2001021299A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1828456A2 (fr) * 2004-11-03 2007-09-05 Tefron Ltd. Articles textiles et traitement thermique associe
CN102560844A (zh) * 2012-02-24 2012-07-11 苏州市伸越纺织贸易有限公司 含罗布麻纤维的混纺针织面料
KR20160070114A (ko) * 2013-10-14 2016-06-17 인비스타 테크놀러지스 에스.에이 알.엘. 다중 탄성 실을 갖는 신축성 서큘러 니트 패브릭
CN106987990A (zh) * 2017-03-21 2017-07-28 上海八达纺织印染服装有限公司 一种弹性保暖提花面料的织造方法
CN107419415A (zh) * 2017-06-15 2017-12-01 湖北嘉麟杰纺织品有限公司 一种超细高针距仿真丝面料的制备方法
USRE47397E1 (en) 2010-08-03 2019-05-21 Global Trademarks, Llc Fabric with equal modulus in multiple directions

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956906A (en) * 1975-02-18 1976-05-18 Alamance Industries, Inc. Control top panty hose and method of knitting same
EP0129228A2 (fr) * 1983-06-16 1984-12-27 Isopedix Corporation Etoffe durcissable et procédé pour sa fabrication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019208A (en) * 1975-04-07 1977-04-26 Walser Jr Joseph G Panty stocking and combination panty hose garment
US5359732A (en) * 1991-07-17 1994-11-01 Waldman Herman B Swimsuit having control holding power integral in body fabric layer
US5439626A (en) * 1994-03-14 1995-08-08 E. I. Du Pont De Nemours And Company Process for making hollow nylon filaments

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956906A (en) * 1975-02-18 1976-05-18 Alamance Industries, Inc. Control top panty hose and method of knitting same
EP0129228A2 (fr) * 1983-06-16 1984-12-27 Isopedix Corporation Etoffe durcissable et procédé pour sa fabrication

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1828456A2 (fr) * 2004-11-03 2007-09-05 Tefron Ltd. Articles textiles et traitement thermique associe
EP1828456A4 (fr) * 2004-11-03 2009-12-23 Tefron Ltd Articles textiles et traitement thermique associe
USRE47397E1 (en) 2010-08-03 2019-05-21 Global Trademarks, Llc Fabric with equal modulus in multiple directions
CN102560844A (zh) * 2012-02-24 2012-07-11 苏州市伸越纺织贸易有限公司 含罗布麻纤维的混纺针织面料
KR20160070114A (ko) * 2013-10-14 2016-06-17 인비스타 테크놀러지스 에스.에이 알.엘. 다중 탄성 실을 갖는 신축성 서큘러 니트 패브릭
JP2017501310A (ja) * 2013-10-14 2017-01-12 インヴィスタ テクノロジーズ エスアエルエルＩＮＶＩＳＴＡ ＴＥＣＨＮＯＬＯＧＩＥＳ Ｓ．ａ．ｒ．ｌ． 複数の弾性糸を有する伸張性丸編生地発明の背景
EP3058124A4 (fr) * 2013-10-14 2017-07-05 Invista Technologies S.A R.L. Tricots circulaires extensibles comprenant de multiples fils élastiques
CN106987990A (zh) * 2017-03-21 2017-07-28 上海八达纺织印染服装有限公司 一种弹性保暖提花面料的织造方法
CN107419415A (zh) * 2017-06-15 2017-12-01 湖北嘉麟杰纺织品有限公司 一种超细高针距仿真丝面料的制备方法

Also Published As

Publication number Publication date
AU7375400A (en) 2001-04-24
EP1085115A3 (fr) 2003-02-26
WO2001021299A1 (fr) 2001-03-29

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