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    8/2/2009 1

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    8/2/2009 2

    Copy Righted Material

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    Session

    01

    38/2/2009

    Session #

    01

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    Session

    01FABRIC STRUCTURE

    Yarns must be united in

    some way if they are to

    form a cohesive structure.

    [email protected] 48/2/2009

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    01FABRIC STRUCTURE The transformation of individual yarns into

    textile fabrics can be accomplished by and

    individual with a pair of knitting needles, a crochet

    hook, or a hand loom or through the use of

    powerful machines that combine yarns by weaving,

    knitting or stitch bonding to produce fabrics.

    [email protected] 52009

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    01

    [email protected] 62009

    Types of Fabric

    Types of Fabric

    Woven

    Woven Knitted

    Knitted

    Warp Knitted

    Warp Knitted

    Weft Knitted

    Weft Knitted

    Nonwoven

    Nonwoven

    Adhesive

    Adhesive

    Needle

    Punching

    Needle

    Punching

    StitchBonding

    StitchBonding

    ThermalBonding

    ThermalBonding

    Others

    Others

    Braid

    Braid

    Lace

    Lace

    Net

    Net

    Felt

    Felt

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    01WOVEN FABRIC

    A woven fabric is composed of two basis

    series of yarn called warp and weft.

    Weaving is the

    interlacement of these

    yarns to form a fabric.

    [email protected] 72009

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    01WOVEN FABRICWarp : The threads in the fabric that run

    lengthwise are called wrap. A single thread of

    warp is called end.

    Weft : The threads in the fabric that run

    widthwise are called weft. A single thread of wft

    is called pick.

    [email protected] 82009

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    01WOVEN FABRIC Usually woven fabrics are made in long

    lengths say 30 to 200 mts. or more and width

    from 36" to 100" (or even more in case of wider

    width fabrics).

    Some fabrics are produced in narrow widths

    for special uses. e.g. ribbons, tapes etc.

    [email protected] 92009

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    01WOVEN FABRIC

    Woven fabrics will have a body containing the

    intended design and selvedges on both the sides.

    Selvedges are the narrow woven edge portion

    of the fabrics with close and strong construction

    than the body to prevent unraveling.

    Woven fabrics will have two sides face & back.

    [email protected] 102009

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    01KNITTED FABRICS Fabrics which are

    constructed by

    interlocking a series of

    loops of one or more

    yarns by hand or by

    machine are called

    knitted [email protected] 112009

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    01KNITTED FABRICS

    Knitted fabrics are manufactured on circular

    or warp knitting machines.

    [email protected] 122009

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    01KNITTED FABRICS Circular knitting machine are usually used for

    making wearing apparels like socks, banian etc.

    [email protected] 132009

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    01NON-WOVEN FABRICS

    These are fabrics which are produced without

    the process of weaving.

    It is produced by mixing fibres and making

    two the form of a thick layer of web of width

    corresponding to desired width of the fabric.

    [email protected] 142009

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    01NON-WOVEN FABRICS

    Then the web of fibres is compressed with

    fibre to fibre bonding obtained with the aid of

    added adhesive applied as a liquid or power.

    Nonwoven fabrics are made by pressing,

    bonding, or interlocking fibers together directly

    without using yarns.

    [email protected] 152009

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    01NON-WOVEN FABRICS

    Thus non-woven fabrics are produced by

    bonding web of fibres together by adhesive. e.g.

    Polishing cloths, bedsheets, doormats, fusing

    cloths etc.,

    [email protected] 162009

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    01BRAIDED FABRICS

    Braiding is the process of interlacing three or

    more yarns lengthwise and diagonally.

    It is a type of fabric production in which yarns

    from a single source are crossed diagonally and

    lengthwise to form a fabric.

    [email protected] 172009

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    01BRAIDED FABRICS

    [email protected] 182009

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    01BRAIDED FABRICS

    [email protected] 192009

    Circular Braid Flat Braid

    Braid With Inlays (Triaxil Braid)

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    01BRAIDED FABRICS

    They are made by hand or machine. Braid is

    usually a narrow fabric in the form of tape (e.g.

    1/8 inches to 2 inches) or tubular made on a

    machine called braider.

    Braid fabrics are used in Shoe lace,

    suspenders etc.,

    [email protected] 202009

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    01LACE

    Another method of fabric making is lace

    making.

    The basic principle of lace making is that the

    weft threads are made to twist round warp

    threads and diagonally across the fabric.

    [email protected] 212009

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    01LACE

    In lace making warp threads run crosswise

    and weft yarn run lengthwise.

    Warp and weft are twisted together to form a

    fabric. e.g. Laces.

    [email protected] 222009

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    01NETTING

    A fabric of thread, cord or wire, the

    intersections of which are knotted to form a

    mesh.

    This is done by hand or machine.

    Net is a twisted fabric. e.g. Fish nets etc.

    [email protected] 232009

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    01FELT

    Felt results when heat, moisture, agitation,

    and pressure are applied to wool fibers.

    Felt is a type of fabric in which there is no

    interlacing.

    It is made with loose fibres.

    [email protected] 242009

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    01FELT

    When a layer of wool or

    fur is rubbed while wet or

    in the presence of steam

    then the fibres become

    entangled and interlocked

    as a result of felting.

    [email protected] 252009

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    01FELT This closing up of the fibres which is a natural

    cohesive property of

    some fibres leads to the

    formation of a compact

    fabric e.g. Domestic wise

    cloth, hats etc

    [email protected] 262009


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