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WO2004038076A1 - Metier a tisser - Google Patents

Metier a tisser Download PDF

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Publication number
WO2004038076A1
WO2004038076A1 PCT/KR2003/002017 KR0302017W WO2004038076A1 WO 2004038076 A1 WO2004038076 A1 WO 2004038076A1 KR 0302017 W KR0302017 W KR 0302017W WO 2004038076 A1 WO2004038076 A1 WO 2004038076A1
Authority
WO
WIPO (PCT)
Prior art keywords
waφ
unit
fabrics
loom
cloth
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.)
Ceased
Application number
PCT/KR2003/002017
Other languages
English (en)
Inventor
Kyung-Sook Chung
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU2003265108A priority Critical patent/AU2003265108A1/en
Publication of WO2004038076A1 publication Critical patent/WO2004038076A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D33/00—Multiple looms, i.e. two or more looms assembled together, whether or not they have mechanisms in common
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/04—Control of the tension in warp or cloth
    • D03D49/12—Controlling warp tension by means other than let-off mechanisms
    • D03D49/16—Warp supplied by creel

Definitions

  • the present invention relates, in general, to a multipurpose loom capable of weaving several plain fabrics at a time, a double-ply or three-ply plain fabric, or a circular fabric, such as a gunny cloth, thus accomplishing operational effects of several looms. More particularly, the present invention relates to a loom which has a similar construction to a plain loom, for example, a water jet loom, an air jet loom, a rapier loom, a Somet loom, etc.
  • a water jet loom or an air jet loom weaves only a strip of fabric.
  • a velvet loom to weave two strips of velvet fabrics, it is possible to simultaneously weave the two strips of velvet fabrics.
  • the two velvet fabrics are joined together by pile yarns, the two strips must be separated from each other, thus complicating production.
  • a number of harness frames must be installed at the velvet loom, thus considerably reducing a weaving speed and thereby reducing productivity.
  • the water jet loom, the air jet loom, and the velvet loom have problems in that it is impossible to weave the circular fabric, such as a gunny cloth.
  • a conventional circular loom to weave the circular fabric such as the gunny cloth
  • the conventional circular loom has other problems in that a lot of labor is needed and a large space is required to install the loom, in addition to the reduction of productivity.
  • the conventional circular loom has a further problem in that it is impossible to weave circular fabrics having various sizes with a single loom.
  • productivity is considerably reduced.
  • the conventional loom does not provide a variety of fabrics.
  • an object of the present invention is to provide a loom including a warp supplying unit, a weaving unit, and a cloth winder.
  • the warp supplying unit functions to feed warp yarns from a creel to the weaving unit under a uniform tension.
  • the weaving unit appropriately guides the warp yarns to weave two separate fabrics, a double-ply cloth, or a circular fabric. The two fabrics are coupled while maintaining a predetermined interval, thus producing the double-ply cloth. Further, selvedges of opposite ends of the two fabrics are joined together to form the circular fabric. Further, the weaving unit may weave two fabrics having same or different characteristics and texture simultaneously.
  • the cloth winder functions to roll the woven fabric.
  • the present invention provides the loom which includes semicircular harnesses and semicircular harness frames revolving around a center of each semicircular harness in a form of an arc, and includes linear harnesses and linear harness frames reciprocating in a vertical direction.
  • each of the semicircular harnesses has two or three harness eyes to allow a fabric having upper and lower surfaces, such as the gunny cloth to be woven, and to allow two or three fabrics having same characteristics, or two or three kinds of fabrics having different characteristics, to be woven simultaneously.
  • the linear harnesses couple edges of upper and lower fabrics to produce the circular fabric, such as gunny cloth, and a double-ply cloth or three-ply cloth.
  • the semicircular harnesses functions to minimize load and friction when warp yarns for upper and lower fabrics are simultaneously guided from the warp supplying unit while forming a yarn passage for supplying weft yarns.
  • Another object of the present invention is to provide the loom which is designed such that the semicircular harnesses and the semicircular harness frames cooperate with the linear harnesses to weave fabrics having various structures and texture, including the circular fabric, the double-ply cloth, and three-ply cloth. Further, according to this invention, one loom achieves the operational effects of two or more looms, thus increasing productivity and reducing costs.
  • the loom In case of weaving the circular fabric, such as the gunny cloth made of a synthetic resin, the loom further includes a joining unit. The joining unit applies heat and pressure to selvedges of the circular fabric fed from the weaving unit, thus preventing the circular fabric from fraying when the circular fabric is in use. In this case, the selvedges of the circular fabric are firmly joined, thus increasing reliability.
  • FIG. 1 is a sectional view of a loom, according to an embodiment of the present invention.
  • FIG. 2 is an enlarged sectional view showing a weaving unit included in the loom of FIG. 1;
  • FIG. 3 is an enlarged sectional view showing linear harness frames and semicircular harness frames included in the weaving unit of FIG. 2;
  • FIGS. 4a to 4c are sectional views showing the operation of harnesses
  • FIG. 5 is an enlarged view of the part A shown in FIG. 2;
  • FIG. 6 is an enlarged sectional view of a selvage joining unit included in the loom of FIG. 1;
  • FIG. 7 is a plan view of the selvage joining unit shown in FIG. 6.
  • a loom 100 includes a warp supplying unit 1, a weaving unit 2, and a cloth winder 5.
  • the wa ⁇ supplying unit 1 functions to feed many strands of wa ⁇ yams 101 from a creel 100' to the weaving unit 2 under a uniform tension.
  • 1600 strands of wa ⁇ yams 101 are usually used.
  • the number of strands of the wa ⁇ yams 101 are adjustable according to a width of a desired woven fabric.
  • a user passage 7 is defined at a predetermined position around the wa ⁇ supplying unit 1 to allow a user to pass the loom 100.
  • the weaving unit 2 appropriately guide the wa ⁇ yams 101 fed from the wa ⁇ supplying unit 1 so as to simultaneously weave two or more fabrics having same or different characteristics, couple the two or more fabrics together to produce a double-ply cloth or a three-ply cloth, or join the two or more fabrics together at opposite ends thereof to produce a circular fabric, such as a gunny cloth.
  • the cloth winder 5 functions to roll the fabrics or the cloths fed from the weaving unit 2.
  • the loom 100 of this invention may further include a selvedge joining unit 3 to weave the circular fabric, such as the gunny cloth.
  • the selvedge joining unit 3 applies heat and pressure to selvedges of the fabrics woven by the weaving unit 2, thus preventing the selvedges of the circular fabric from fraying when the circular fabric is in use.
  • the wa ⁇ supplying unit 1 includes upper and lower wa ⁇ pulling units 12 and 12'.
  • the upper and lower wa ⁇ pulling units 12 and 12' are respectively provided at upper and lower portions of the wa ⁇ supplying unit 1.
  • Each of the upper and lower wa ⁇ pulling units 12 and 12' has a drive roller 11, and a driven roller 11 '.
  • the drive roller 11 is operated by a motor 1'
  • the driven roller 11 ' is operated while being in contact with the drive roller 1 1 by a hydraulic or pneumatic cylinder actuator 10.
  • a wa ⁇ dropper bar 13 and a tension roller 14 are installed at positions in back of each of the upper and lower wa ⁇ pulling units 12 and 12'.
  • the wa ⁇ yams 101 for an upper fabric are fed to an upper portion of the weaving unit 2 through the upper wa ⁇ pulling unit 12, whereas the wa ⁇ yams 101 for a lower fabric are fed to the weaving unit 2 through the lower wa ⁇ pulling unit 12' and guide rollers provided at a lower portion of the wa ⁇ supplying unit 1.
  • the user passage 7 is defined between the wa ⁇ supplying unit 1 and the weaving unit
  • the weaving unit 2 includes, at an upper portion thereof, semicircular harnesses 21 and one or more pairs of semicircular harness frames 21'.
  • the semicircular harnesses 21 repeatedly revolve around the center thereof at a predetermined angle.
  • Linear harnesses 22 and one or more pairs of linear harness frames 22' are installed at positions around the semicircular harnesses 21 and the semicircular harness frames 21 ' to reciprocate in a vertical direction.
  • the semicircular harness frames 21 ' having the semicircular harnesses 21 are connected to first rods 24 of first cranks 23 which are mounted to a first crank box 25, so as to be rotated at the predetermined angle.
  • the linear harness frames 22' having the linear harnesses 22 are placed in front of the semicircular harness frames 21', and are connected to second rods 24' of second cranks 23' which are mounted to a second crank box 25', so as to be reciprocated in the vertical direction.
  • a reed 66 to thrust and arrange the weft yams, and a reed reciprocating unit 6 to reciprocate the reed 66 are installed at predetermined positions around the semicircular harness frames 21 '.
  • the reed reciprocating unit 6 includes a crank rod 61, and an intermediate drive shaft 62.
  • a lever 63 is connected at both ends thereof to the crank rod 61 and a first side of the drive shaft 62.
  • a pulling lever is connected at both ends thereof to the crank rod 61 and a first side of the drive shaft 62.
  • a link 64 is connected at a first side thereof to the pulling lever 63'.
  • a linear reciprocating shaft 65 is connected to a second side of the link 64 to be linearly reciprocated.
  • the reed 66 is installed at an end of the linear reciprocating shaft 65 to arrange the weft yams.
  • a roller 67 is installed at a lower end of the reed 66 to stably move along a guide plate 68 during a linear reciprocating movement of the reed 66.
  • each of the semicircular harnesses 21 has two or three harness eyes 27 so as to guide the wa ⁇ yams 101 for the upper and lower fabrics, respectively, and simultaneously weave two or more fabrics.
  • the fabrics are joined together to produce the circular fabric, the double-ply cloth, or the three-ply cloth.
  • the linear harnesses 22 function to feed the wa ⁇ yams 101 to edges of the upper and lower fabrics so that the edges of the upper and lower fabrics are coupled together.
  • the linear harnesses 22 function to couple the upper and lower fabrics together.
  • two or three weft feeding units are required.
  • the semicircular harnesses 21 and the semicircular harness frames 21 ' have a semicircular shape.
  • the cloth winder 5 functions to uniformly roll the fabric or the gunny cloth fed from the weaving unit 2, and includes a pair of winding rollers 53 and
  • the selvedge joining unit 3 is provided between the weaving unit 2 and the cloth winder 5 to firmly join the selvedges of the circular fabric.
  • the selvedge joining unit 3 includes at upper and lower portions thereof selvedge heating units 33 which are operated while being in frictional contact with each other.
  • Each of the selvedge heating units 33 includes at opposite sides thereof a drive roller 31 and a driven roller 31 ', respectively.
  • An insulation belt 32 is wrapped around the drive and driven rollers 31 and 31 ' of each of the selvedge heating units 33.
  • a heater 34 is provided at a predetermined position of each of the selvedge heating units 33.
  • a cooling air nozzle 36 is provided at a predetermined position which is spaced apart from the heater 34 of each of the selvedge heating units 33, and has a plurality of air jet holes 35.
  • the cooling air nozzle 36 functions to cool the selvedges of the circular fabric which are joined together under high temperature and pressure.
  • An embossing roller 37 is installed at a predetermined position adjacent to the selvedge heating units 33.
  • a selvedge cutting roller 38 is installed at a predetermined position adjacent to the embossing roller 37. Therefore, the selvedge joining unit 3 allows the selvedges of the circular fabric to be firmly joined together while being embossed, and thereafter allows ends of the selvedges to be uniformly cut.
  • the reference numeral 29 of FIG. 2 denotes a fabric guide roller, and the reference numeral 39 of FIG. 7 denotes an operation step-board.
  • the loom 100 of this invention overcomes the drawbacks of the circular loom for weaving only the circular fabric and the plain loom for weaving only the plain fabric, thus being capable of weaving the circular fabric, the double-ply cloth, the three-ply cloth, or two or more fabrics having same or different characteristics. Therefore, the loom 100 of this invention accomplishes the operational effects of two or more looms, thus increasing productivity and reducing costs, in addition to improving the quality of produced fabrics.
  • the wa ⁇ yams 101 are fed from the creel 100' through the upper and lower wa ⁇ pulling units 12 and 12' which are installed at the upper and lower portions of the wa ⁇ supplying unit 1, to the weaving unit 2.
  • the wa ⁇ yams 101 fed through the upper wa ⁇ pulling unit 12 pass through the harness eye 27 which is formed on the upper portion of each of the semicircular harnesses 21.
  • the wa ⁇ yams 101 fed through the lower wa ⁇ pulling unit 12' pass through the harness eye 27 which is formed on the lower portion of each of the semicircular harnesses 21.
  • the wa ⁇ yams 101 for coupling the selvedges of the fabric and coupling the upper and lower fabrics pass through the linear harnesses 22.
  • the semicircular harness frames 21 ' comprise an even number of two or more.
  • the semicircular harness frames 21 ' are respectively connected to the first rods 24 of the first cranks 23 installed at the first crank box 25 so that the semicircular harness frames 21 ' are repeatedly rotated around a shaft S at a predetermined angle in opposing directions to define the weft yam passages 28 and 28'.
  • the shaft S supports the semicircular harness frames 21 '.
  • the linear harness frames 22' function to join the selvedges of the upper and lower fabrics together or couple the upper and lower fabrics while maintaining a predetermined interval between the upper and lower fabrics.
  • the linear harness frames 22' are appropriately selected, according to the kinds of the fabrics to be woven, for example, the circular fabric, the double- ply cloth, and the three-ply cloth.
  • the upper and lower fabrics are woven simultaneously by the semicircular harness frames 21 ' and the semicircular harnesses 21 which have the harness eyes 27 at upper and lower portions of each of the semicircular harnesses 21, whereas the selvedges of the upper and lower fabrics are coupled together to weave the circular fabric, the double-ply cloth, or the three-ply cloth by the linear harness frames 22' and the linear harnesses 22.
  • the semicircular harnesses 21 which have the harness eyes 27 at upper, middle, and lower portions of each of the semicircular harnesses 21, are used.
  • the wa ⁇ yams 101 are fed to the weaving unit 2 through the harness eyes 27 which are formed at the upper and lower portions of each of the semicircular harnesses 21.
  • the semicircular harnesses 21 are repeatedly rotated around the shaft S which support the semicircular harness frames 21 ', at a predetermined angle, thus defining the upper and lower weft yam passages 28 and 28'.
  • two weft feeding units are respectively placed at the weft yam passages 28 and 28' so as to simultaneously feed weft yams to the weaving unit 2, thus weaving two fabrics simultaneously.
  • the semicircular harnesses 21 having three harness eyes 27 at upper, middle, and lower portions of each of the semicircular harnesses 21 must be used. Further, three weft feeding units must be placed at desired positions. Meanwhile, when it is desired to weave the circular fabric, such as the gunny cloth, wa ⁇ yams 101 for coupling the selvedges of the upper and lower fabrics which are woven simultaneously, are fed through the linear harnesses 22 to the weaving unit 2.
  • the loom 100 of this invention is provided with the reed 66 which thrusts the weft yams in such a way as to produce a fabric having uniform density, thus being capable of weaving the circular fabric of a much better quality, in comparison with the circular fabric woven by the conventional circular loom. Further, the loom 100 of this invention has a high weaving speed, thus increasing productivity, and reduces labor and a space for installing the loom, thus reducing costs.
  • the selvedge joining unit 3 may be installed between the weaving unit 2 and the cloth winder 5.
  • the selvedge joining unit 3 applies heat and pressure to the selvedges of opposite ends of the circular fabric fed from the weaving unit 2 so as to firmly join the selvedges of the circular fabric, and thereafter cools the selvedges of the circular fabric.
  • the selvedges of the circular fabric are pressed by the embossing roller 37 which has an embossed outer surface. The selvedges of the circular fabric are thus more firmly joined.
  • ragged edges of the circular fabric are cut. Thereafter, the circular fabric is wound around the cloth winder 5.
  • a cutter and a sewing unit may be installed following the selvedge joining unit 3.
  • the loom 100 of the present invention is designed such that the semicircular harnesses 21 cooperate with the linear harnesses 22 so as to simultaneously weave two or three fabrics, couple the two or more fabrics together while maintaining the predetermined interval between the fabrics, or weave fabrics having different texture and different kinds of fabrics, using a single loom, thus increasing productivity, improving quality of the produced fabrics, and providing various fabrics.
  • the present invention provides a loom having a plain loom-type structure, which is capable of weaving a circular fabric, improves a quality of a produced fabric, increases productivity, and reduces labor and a space for installing the loom, thus considerably reducing costs, and which is capable of weaving various fabrics, including a double-ply cloth and a three-ply cloth, and which is capable of weaving two or more fabrics simultaneously, thus increasing productivity even when weaving a plain fabric.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

Cet invention concerne un métier capable de tisser un tissu circulaire, une étoffe double-couche ou une étoffe triple couche. Ce métier (100) comprend une unité (1) de dévidage de chaîne, une unité de tissage (2) et un enrouleur (5) de tissu. L'unité de dévidage de chaîne (1) alimente l'unité de tissage (2) avec un grand nombre de fils de chaîne présentant une tension uniforme à partir d'un cantre (100'). L'unité de tissage (2) guide les fils de chaîne (101) dévidés par l'unité de dévidage de chaîne (1) de manière à tisser simultanément au moins deux tissus présentant des caractéristiques identiques ou différentes, à assembler ces différents tissus pour produire un tissus double couche ou triple couche, ou à assembler les différents tissus aux extrémités opposées de ces dernières de manière à produire un tissu circulaire, par exemple une toile à sacs. L'enrouleur (5) de tissu enroule les tissus ou les étoffes sortant de l'unité de tissage (2).
PCT/KR2003/002017 2002-10-25 2003-09-30 Metier a tisser Ceased WO2004038076A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003265108A AU2003265108A1 (en) 2002-10-25 2003-09-30 Loom

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020020066694A KR20020089259A (ko) 2002-10-25 2002-10-25 제직장치
KR10-2002-0066694 2002-10-25

Publications (1)

Publication Number Publication Date
WO2004038076A1 true WO2004038076A1 (fr) 2004-05-06

Family

ID=27729069

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2003/002017 Ceased WO2004038076A1 (fr) 2002-10-25 2003-09-30 Metier a tisser

Country Status (4)

Country Link
KR (1) KR20020089259A (fr)
AU (1) AU2003265108A1 (fr)
TW (1) TW200406514A (fr)
WO (1) WO2004038076A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100822409B1 (ko) * 2007-01-10 2008-04-17 박경희 복합재료시트 직조시스템

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53147859A (en) * 1977-05-30 1978-12-22 Takada Kogyo Kk Apparatus for weaving patterened double velvet and construction of said velvet
JPS55163234A (en) * 1979-06-07 1980-12-19 Masamichi Hosaka Weaving of two tans or more of narrow fabric simultaneously by wide loom
JPS57172085U (fr) * 1982-03-24 1982-10-29
JPH06264330A (ja) * 1992-03-24 1994-09-20 Fukui Pref Gov ３次元構造織物の連続糸挿入による耳形成法 およびその装置
KR200252020Y1 (ko) * 2001-05-29 2001-11-16 정경숙 평직기의 원형직물 제직구조

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53147859A (en) * 1977-05-30 1978-12-22 Takada Kogyo Kk Apparatus for weaving patterened double velvet and construction of said velvet
JPS55163234A (en) * 1979-06-07 1980-12-19 Masamichi Hosaka Weaving of two tans or more of narrow fabric simultaneously by wide loom
JPS57172085U (fr) * 1982-03-24 1982-10-29
JPH06264330A (ja) * 1992-03-24 1994-09-20 Fukui Pref Gov ３次元構造織物の連続糸挿入による耳形成法 およびその装置
KR200252020Y1 (ko) * 2001-05-29 2001-11-16 정경숙 평직기의 원형직물 제직구조

Also Published As

Publication number Publication date
AU2003265108A1 (en) 2004-05-13
TW200406514A (en) 2004-05-01
KR20020089259A (ko) 2002-11-29

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