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YARN TECHNOLOGYYARN TECHNOLOGYA SEMINAR ONA SEMINAR ON
FANCY YARNSFANCY YARNSON OCTOBER 11, 2010ON OCTOBER 11, 2010
BYBY
09BFT0109BFT01K AJANTHA PRIYA DHARSHINIK AJANTHA PRIYA DHARSHINI
B TECH FASHION TECHNOLOGYB TECH FASHION TECHNOLOGY
22NDND YEAR, 3YEAR, 3RDRD SEMESTERSEMESTER
KCTKCT
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WHAT ARE FANCY YARNS?WHAT ARE FANCY YARNS?
Fancy yarns are those in which some
deliberate decorative discontinuity
or interruption is introduced, of either colour or form,
or of both colour and form.
This discontinuity is incorporated with theintention of producing an enhanced
aesthetic effect.
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The irregularities in a fancy yarnThe irregularities in a fancy yarn
can be an increased delivery ratecan be an increased delivery rate
of one or more of its components,of one or more of its components,or the inclusion of periodic effectsor the inclusion of periodic effects
such as knops, loops, curls, slubssuch as knops, loops, curls, slubs
or the like.or the like.
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PRODUCTION METHODS OFPRODUCTION METHODS OF
FANCY YARNSFANCY YARNS Most fancy yarns are produced by specialist fancy
spinners, using machines modified or developed for thepurpose.
Others are produced from
fancy slivers, which are used as minor components inyarns made by spinners using normal equipment.
Still others are made exclusively from continuousfilament, using adaptations or extensions of the airjettexturing process.
Finally, it is also possible to produce an appearance thatresembles some of the effects produced by incorporatingslub yarns in a woven fabric,
without the expense in materials incurred by the use ofthe yarns themselves.
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PROPERTIES OF FANCY YARNSPROPERTIES OF FANCY YARNS
Strength
Wear resistance
Flexibility Comfort
Stretch properties
Suitability for a particular manufacturing ordyeing process
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WEAR RESISTANCEWEAR RESISTANCE
Wear resistance is,
resistance to wear during use,
and the effects of that wear on the yarnstrength,
colour, or other physical properties;
and the differential changes on certainyarn components as a result of wear
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MARL YARNMARL YARN
a marl yarn is one in which two yarns of
the same count and twist, but of different
colours, are folded together to form a balanced yarn
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SPIRAL OR CORKSCREW YARNSPIRAL OR CORKSCREW YARN
A spiral or corkscrew yarn is a plied yarn
that displays a characteristic smooth
spiraling of one component around the
other.
it can be produced relatively simply on a
doubling frame or under the ring spinning
system.
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SPIRAL OR CORKSCREW YARNSPIRAL OR CORKSCREW YARN
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GIMP YARNGIMP YARN
A gimp is a compound yarn consisting of a
twisted core with an effect yarn wrapped
around it so as to produce wavy
projections on its surface.
Since a binder is needed to ensure the
stability of the structure, the yarn is
produced in two stages.
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GIMP YARNGIMP YARN
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DIAMOND YARNDIAMOND YARN
A diamond yarn is made by folding a thicksingle yarn or roving with a fine yarn orfilament of contrasting colour using S-
twist, and cabling it with a similar fine yarnusing Z-twist.
Multi-fold or cabled yarns may be
produced by extending and varying thistechnique, to produce a wide range ofeffects.
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DIAMOND YARNDIAMOND YARN
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BOUCLE YARNBOUCLE YARN
This is a compound yarn comprising a
twisted core with an effect yarn combined
with it so as to produce wavy projections
on its surface.
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A SIMPLE BOUCLE YARNA SIMPLE BOUCLE YARN
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KNITTED BOUCLE FABRICKNITTED BOUCLE FABRIC
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VARIEGATED BOUCLE YARNVARIEGATED BOUCLE YARN
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HEAVY BOUCLE YARNHEAVY BOUCLE YARN
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LOOP YARNLOOP YARN
A loop yarn consists of a core with an
effect yarn wrapped around it
and overfed so as to produce almostcircular projections on its surface.
As a general rule, four yarns are involved,
of which two form the core or ground
yarns.
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BASIC LOOP YARN STRUCTUREBASIC LOOP YARN STRUCTURE
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FINE LOOP YARNFINE LOOP YARN
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VISCOSE LOOP YARNVISCOSE LOOP YARN
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BRUSHED LOOP YARNBRUSHED LOOP YARN
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SNARL YARNSNARL YARN
It is same as loop yarns except that theIt is same as loop yarns except that the
looping yarn has high twist so that thelooping yarn has high twist so that the
Loop turns into a snarlLoop turns into a snarl
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WORSTED SNARL YARNWORSTED SNARL YARN
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ACETATE SNARL YARNACETATE SNARL YARN
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METALLIC SNARL YARNMETALLIC SNARL YARN
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CLOUD OR GRANDRELLE YARNCLOUD OR GRANDRELLE YARN
The two threads of different colours used to
create the yarn are manipulated in such a
manner that each thread alternately forms the
base and cover to cloud the opposing thread. It is made by alternate fast and slow deliveries
from two pairs of rollers.
Because the yarns alternate in forming the base
yarn, no dedicated core yarn is required.
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CLOUD YARN STRUCTURECLOUD YARN STRUCTURE
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SLUB YARNSLUB YARN
A slub yarn is one in which slubs have
been deliberately created to produce the
desired discontinuity of effect.
Slubs are thick places in the yarn.
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FLECK YARNFLECK YARN
Small amounts of fibres of either differentSmall amounts of fibres of either different
colours or lustre or both are introducedcolours or lustre or both are introduced
into the yarn.into the yarn.
This gives it a spotted and short streakyThis gives it a spotted and short streaky
appearanceappearance
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USES OF FANCY YARNSUSES OF FANCY YARNS
Ladies dress materialLadies dress material
Men's suitingMen's suiting
Slippers and sandalsSlippers and sandals tiesties
ScarvesScarves
BeltsBelts Knitted wearsKnitted wears
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USES OF FANCY YARNSUSES OF FANCY YARNS
Furnishing fabrics such asFurnishing fabrics such as
CurtainsCurtains
Cushion coversCushion coversTable clothsTable cloths
Wall hangingsWall hangings
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THANK YOU FOR YOURTHANK YOU FOR YOUR
PATIENCE LISTENINGPATIENCE LISTENING
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