KR101931347B1 - Retroreflective yarn and the method of manufacturing thereof - Google Patents

Retroreflective yarn and the method of manufacturing thereof Download PDF

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Publication number
KR101931347B1
KR101931347B1 KR1020160128917A KR20160128917A KR101931347B1 KR 101931347 B1 KR101931347 B1 KR 101931347B1 KR 1020160128917 A KR1020160128917 A KR 1020160128917A KR 20160128917 A KR20160128917 A KR 20160128917A KR 101931347 B1 KR101931347 B1 KR 101931347B1
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KR
South Korea
Prior art keywords
yarn
retroreflective
slit
present
filament
Prior art date
Application number
KR1020160128917A
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Korean (ko)
Other versions
KR20180038174A (en
Inventor
박상운
김종개
노도현
Original Assignee
비앤더비 주식회사
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Application filed by 비앤더비 주식회사 filed Critical 비앤더비 주식회사
Priority to KR1020160128917A priority Critical patent/KR101931347B1/en
Priority to PCT/KR2017/009332 priority patent/WO2018066815A1/en
Publication of KR20180038174A publication Critical patent/KR20180038174A/en
Application granted granted Critical
Publication of KR101931347B1 publication Critical patent/KR101931347B1/en

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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Woven Fabrics (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retroreflective yarn and a method of manufacturing the same. More particularly, the present invention relates to a retroreflective yarn, and more particularly, The present invention relates to a retroreflective yarn capable of woven fabrics and knitted fabrics, and a method for producing the same.
The present invention relates to a method of producing a retroreflective slit yarn by slitting a retroreflective film; Folding the retroreflective slit yarn and the filament yarn; Twisting the filament yarn and the retroreflective slit yarn; And completing the production of the recurrent reflection yarn by visualizing the twisted yarn and the filament yarn of the recurrent reflection yarn.
The present invention relates to a retroreflective yarn characterized in that a retroreflective slit yarn obtained by slitting a retroreflective film and a filament yarn are folded and twisted to have a cross-sectional shape close to a circular shape and have a tensile strength capable of being woven into a fabric and a knitted fabric. As a technical point.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retroreflective yarn,

The present invention relates to a retroreflective yarn and a method for producing the same. More particularly, the present invention relates to a retroreflective yarn and a method for producing the same, The present invention relates to a retroreflective yarn capable of woven fabrics and knitted fabrics, and a method for producing the same.

Generally, retroreflective film is mainly applied to safety related products to prevent and safeguard against various accidents at night. Accordingly, a demand for a reflective material is also rapidly increasing.

In other words, it is applied to various traffic signs, various sportswear, work clothes, sneakers, bags, clothes, etc., and reflects light to be illuminated at night or in dark places so that others can easily recognize and prevent safety accidents .

Since the retroreflective film is initially in the form of a thin foil, there is no other way than simply attaching it to the surface of the article in order to use it. Recently, a retroreflective slit yarn obtained by slitting a retroreflective film is applied to clothes have.

However, since the retroreflective film is obtained by cutting the retroreflective film lengthwise in the longitudinal direction, the retroreflective film has a rectangular cross-sectional shape. Therefore, the retroreflective film has a limitation in using only weft yarns or warp yarns.

Therefore, the exposed surface of the fabric is expressed only in a dot shape, so that various patterns and designs are impossible, and wrinkles or marks are generated in the fabric due to the twist phenomenon.

Korean Patent Registration No. 10-0590425, June 19, 2006.

The present invention was invented to overcome the above-mentioned problems. The present invention is a retroreflective slit yarn obtained by slitting a retroreflective film, and the yarn is folded with a filament yarn so as to weave the fabric and the knitted fabric, And a method of manufacturing the same.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood from the following description.

According to another aspect of the present invention, there is provided a method of manufacturing a retroreflective yarn, comprising: forming a retroreflective slit yarn by slitting a retroreflective film; Folding the retroreflective slit yarn and the filament yarn; Twisting the filament yarn and the retroreflective slit yarn; And completing the manufacture of the retroreflective yarn by visualizing the retroreflective slit yarn and the filament yarn which have been twisted.

In order to achieve the above object, a retroreflective sheet according to the present invention is characterized in that a retroreflective slit yarn obtained by slitting a retroreflective film and a filament yarn are folded and twisted to have a tensile strength that can be woven into a fabric and a knit .

According to the present invention, there is provided a retroreflective yarn having a circular cross section and a non-twisted, tensile strength, and not stiffness by folding and twisting a yarn of a retroreflective slit yarn and a filament yarn, It is possible to weave fabrics and knitted fabrics because wrinkles do not occur, and they can also be used as embroidery yarns, so that a fashionable fabric having various designs can be produced.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a flow chart showing a step-by-step process for producing a retroreflective yarn according to the present invention;
2 is a photograph showing a retroreflective film.
3 is a photograph showing a retroreflective slit yarn;
4 is a photograph showing a retroreflective yarn according to the present invention.
Figure 5 is a photograph showing a fabric woven with a retroreflective yarn according to the present invention

The present invention relates to a retroreflective yarn in which a retroreflective slit yarn obtained by slitting a retroreflective film is not only woven or knitted but also used as an embroidery yarn.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

4, the retroreflective slit yarn obtained by slitting the retroreflective film and the filament yarn are folded and twisted to have a cross-sectional shape close to the circular shape, And has a tensile strength that can be woven by knitting.

In other words, the retroreflective slit material has a disadvantage in that the retroreflective film is cut into a long shape along the longitudinal direction, and therefore the cross-sectional shape is rectangular, so that it is easily twisted and has a low tensile strength. By folding and twisting the filament yarn, So that it is prevented from being twisted and the tensile strength is increased, so that it can be used as an embroidery fabric as well as a fabric or a knitted fabric.

On the other hand, the retroreflective slit yarn and the filament yarn are twisted at TM (number of twists per meter) of 160 to 320. If the number of twists is less than the twist number, the retroreflective function is not properly exhibited, But it is difficult to weave because the degree of stiffness is high.

And the filament yarn is twisted together with the recursive reflective slit yarn so as to have a shape close to the circular shape and to reinforce the low tensile strength of the yarn of the retroreflective slit so as to have a tensile strength capable of weaving and knitting.

At this time, the filament yarn may be composed of one of nylon yarn, polyester yarn, and polypropylene yarn.

A method of manufacturing a retroreflective yarn according to a preferred embodiment of the present invention includes a slitting step S10, a padding step S20, a twisting step S30, and a visualizing step S40 as shown in FIG.

The slitting step S10 is a step of slitting the retroreflective film of Fig. 2, which is a raw material, to produce a retroreflective slit yarn of Fig. At this time, the retroreflective slit material has a rectangular cross-sectional shape because the retroreflective film in the form of a thin plate is cut by long lengthwise direction.

The yarn combining step (S20) is a process of winding the yarn of the retroreflective slit and the filament yarn around a bobbin to yarn it. At this time, when winding the retroreflective slit yarn and the filament yarn on the bobbin, they must be wound around the bobbin while maintaining the same tension.

The twisting step S30 is a step of twisting the yarn of the retroreflective slit wound around one bobbin and the filament yarn into a certain number of twists.

At this time, a half twist yarn that twists two yarns into one yarn may be used. It is also desirable to have a yarn with a maximum cross-sectional shape, to increase the tensile strength, and to stiffen the yarn to make it easier to weave fabrics and knitted fabrics.

The visibility step (S40) is a process of visually inserting the twisted yarn of the retroflexive reflective slit and the filament yarn so as to maintain the twisted yarn without twisting the twisted yarn.

When the visibility step (S40) is completed, the cross section of the cross section becomes a circular shape rather than a quadrangle, and the twist is prevented and the tensile strength is increased to complete the retroreflective yarn of FIG. 4 which can be used as embroidery yarn as well as weaving or knitting .

4 (a) is a retroreflective yarn obtained by twisting a retroreflective slit yarn obtained by slitting a retroreflective film having a thickness of 75 탆 to a width of 0.37 mm with 50 denier nylon yarn and TM 160, (cN) of 507 and a tensile elongation (%) of 18.7.

4 (b), a retroreflective slit yarn in which a retroreflective film having a retroreflective bead adhered to the upper and lower surfaces of a PET film having a thickness of 75 탆 and slitting the film to a width of 0.25 mm, was fired with 50 denier nylon yarn and TM 160 The retroreflective yarn has a tensile strength (cN) of 375 and a tensile elongation (%) of 21.6.

4 (c), a retroreflective slit yarn in which a retroreflective film having a retroreflective bead adhered to the upper and lower surfaces of a PET film having a thickness of 50 탆 was slit with a width of 0.25 mm was subjected to a twisting with a 50 denier nylon yarn and a TM 160 A retroreflective yarn having a tensile strength (cN) of 411 and a tensile elongation (%) of 25.7.

4 (d), a retroreflective slit yarn in which a retroreflective film having a retroreflective bead adhered to the upper and lower surfaces of a PET film having a thickness of 50 탆 is slit with a width of 0.25 mm, is fired with 50 denier nylon yarn and TM 320 The retroreflective yarn has a tensile strength (cN) of 413 and a tensile elongation (%) of 18.6.

5 is a view showing a fabric obtained by weaving a retroreflective yarn made by repeating a recirculating reflective slit yarn and a 50 denier nylon yarn as described above.

5 (a), the fabric is woven using the recursive reflection yarn alone, or even if the fabric is woven together with other fibers as shown in Fig. 5 (b), no wrinkling or wrinkling occurs in the fabric, It is possible to overcome the limit of the conventional recursive reflecting raw yarn yarn which is restricted in use only by inclination.

The above-described embodiments are merely illustrative, and various modifications may be made by those skilled in the art without departing from the scope of the present invention.

Therefore, the true technical protection scope of the present invention should include not only the above embodiments but also various other modified embodiments according to the technical idea of the invention described in the following claims.

S10: Slitting step
Step S20:
S30:
S40: Visiting step

Claims (5)

Forming a retroreflective slit yarn by slitting the retroreflective film;
Folding the retroreflective slit yarn and the filament yarn;
Twisting the filament yarn and the retroreflective slit yarn; And
And completing the manufacture of the retroreflective yarn by visualizing the twisted yarn of the retroreflective slit and the filament yarn,
The yarn splicing step is characterized by twisting yarns at TM 160 to 320 using a twin twist yarn twisting yarn of two yarns into a single yarn,
The filament yarn is one of nylon yarn, polyester yarn and polypropylene yarn,
The recycled reflective yarn has a tensile strength (cN) of 375 to 507 and a tensile elongation (%) of 18.6 to 25.7 ≪ / RTI >
Method of manufacturing retroreflective yarn. delete delete Wherein the tensile strength (cN) of the retroreflective yarn is in the range of 375 to 507, the tensile elongation (%) is in the range of Lt; RTI ID = 0.0 > 18.6 ~ 25.7. ≪ / RTI > delete
KR1020160128917A 2016-10-06 2016-10-06 Retroreflective yarn and the method of manufacturing thereof KR101931347B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020160128917A KR101931347B1 (en) 2016-10-06 2016-10-06 Retroreflective yarn and the method of manufacturing thereof
PCT/KR2017/009332 WO2018066815A1 (en) 2016-10-06 2017-08-25 Retroreflective yarn and method for manufacturing same

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Application Number Priority Date Filing Date Title
KR1020160128917A KR101931347B1 (en) 2016-10-06 2016-10-06 Retroreflective yarn and the method of manufacturing thereof

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KR101931347B1 true KR101931347B1 (en) 2018-12-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200107516A (en) 2019-03-08 2020-09-16 (주)지비라이트 Transparent retroreflectors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101976557B1 (en) * 2018-06-15 2019-05-10 정신식 manufacturing method of retroreflective fabrics using reflective composite yarns

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003020535A (en) 2001-07-03 2003-01-24 Teijin Ltd Retroreflective yarn, retroreflective fabric and clothes using the same
KR100862133B1 (en) 2007-05-07 2008-10-09 김종석 Metallic yarn
KR101503508B1 (en) * 2015-01-02 2015-03-18 박성배 Fabrics having retroreflectivity and manufacturing method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006052928A1 (en) * 2004-11-10 2006-05-18 Invista Technologies S.A R.L. Method to make elastic shirting fabric comprising spandex and hard yarn
JP2009084756A (en) * 2007-10-01 2009-04-23 Japan Tsusho Kk Twisted yarn having high elongational elasticity and method for manufacturing the same
KR101425853B1 (en) * 2013-08-22 2014-08-01 (주)앤디아이 Method of manufacturing rayon yarn with excellent shirinkage
KR20150057367A (en) * 2013-11-19 2015-05-28 한규환 Manufacturing method for chemical thread and the thread prepared by the same method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003020535A (en) 2001-07-03 2003-01-24 Teijin Ltd Retroreflective yarn, retroreflective fabric and clothes using the same
KR100862133B1 (en) 2007-05-07 2008-10-09 김종석 Metallic yarn
KR101503508B1 (en) * 2015-01-02 2015-03-18 박성배 Fabrics having retroreflectivity and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200107516A (en) 2019-03-08 2020-09-16 (주)지비라이트 Transparent retroreflectors
KR102170421B1 (en) 2019-03-08 2020-10-27 주식회사 지비라이트 Transparent retroreflectors

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WO2018066815A1 (en) 2018-04-12

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