CN101501255A - Yarn splicing method and yarn splicing device - Google Patents
Yarn splicing method and yarn splicing device Download PDFInfo
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- CN101501255A CN101501255A CNA2007800250166A CN200780025016A CN101501255A CN 101501255 A CN101501255 A CN 101501255A CN A2007800250166 A CNA2007800250166 A CN A2007800250166A CN 200780025016 A CN200780025016 A CN 200780025016A CN 101501255 A CN101501255 A CN 101501255A
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- jut
- yarn
- branching portion
- yarns
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
- B65H69/04—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by knotting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
- B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
- B65H69/061—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing using pneumatic means
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/48—Piecing arrangements; Control therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Knitting Machines (AREA)
Abstract
The invention relates to a piecing method capable of securing the strength of a spun yarn obtained by the piecing, and omitting a protrusion treatment step for a fabric knitted by the spun yarn obtained by the piecing. Tip end portions (21a, 22a) of knitting yarns (21, 22) are overlaid in the same direction, and the knitting yarn (21, 22) are intertwined into each other to form a protruding portion (23) and a plurality of branched portions (51, 52) that are branched from the protruding portion (23). Then, the protruding portion (23) is overlaid on one branched portion (51) and the protruding portion (23) is fixed to the one branched portion (51).
Description
Technical field
The present invention relates to a kind of jointing method and piecing devices with a plurality of yarn joints.
Background technology
Be used for the yarn of the braiding of knitted fabric, if apply excessive tension force then exist in the situation that braiding is ruptured midway.In this case, with the yarn and the new yarn joint and taking up one's knitting once more of fracture.Joint is not only in order to repair the yarn of cut-out, also carries out when the knitted fabric that has intarsia pattern with a kind of stocking yarn braiding as yarn etc. by (for example with reference to Japanese kokai publication hei 6-2250 communique).
In the jointing method of first prior art, make the end connection of two yarns and form tieing by knotting device, thereby make two yarn joints.In this case, the part of the front of each yarn is outstanding from tieing.After the front of each yarn partly forms tieing, can cut off and shorten, but can not eliminate fully.
The jointing method of second prior art is not form the method for tieing ground with the yarn joint by the splicer device.In the method, the end that makes two yarns overlaps configuration towards mutually opposite direction, and by winding-up compressed air with the end complexing of two yarns and joint.By this kind jointing method, the joint area of yarn forms " I " font (for example with reference to Japanese Patent Publication 60-39767 communique) in appearance.
Figure 13 is the figure of expression with the yarn that jointing method obtained of the 3rd prior art.The jointing method of the 3rd prior art is that the end 1a, the 2a that make yarn 1,2 overlap configuration towards equidirectional, and by winding-up compressed air, forms the complexing portion 4 of end 1a, 2a complexing of yarn 1,2 and joint.By this jointing method, the joint area 3 of yarn 1,2 forms " T " font (for example with reference to TOHKEMY 2004-27463 communique) in appearance.
In the jointing method of first prior art, the tieing that forms on the yarn behind the joint becomes the diameter that is several times as much as the yarn external diameter.Therefore, if this tieing appears at the surface coils side of knitted fabric, then diminish the outward appearance of knitted fabric.In order not damage outward appearance, tieing need be put into the float treatment process of knitted fabric inboard.
In the jointing method of second prior art, because two yarns are overlapped and complexing towards mutually opposite direction, therefore the not superposed part of two yarns is further spliced, and exists its external diameter to diminish, the inadequate situation of the intensity of the yarn of acquisition.Therefore, but limit the yarn of joint.For example, after the yarn use that makes the joints such as yarn that constitute by strand and chemical fibre, exist in the situation of the joint area fracture of yarn midway that weaves.
In the jointing method of the 3rd prior art, because the joint area 3 of yarn is configured to " T " font, therefore the complexing portion 4 of the end 1a of mutual yarn 1,2,1b complexing is outstanding laterally with respect to the remainder of joint area 3.This complexing portion 4 is if in the surface coils side of knitted fabric, then diminish the outward appearance of knitted fabric.In order not damage outward appearance, need for the inboard of complexing portion 4 being put into knitted fabric so that complexing portion 4 is configured in the float treatment process of the inboard of knitted fabric.This problem is being used for generation too under the woven situation of fabric except the yarn with joint is used for the braiding of knitted fabric.
Summary of the invention
The object of the present invention is to provide a kind of jointing method and piecing devices, it guarantees the intensity by the yarn of joint acquisition, and can omit the float treatment process behind the joint.
The invention provides a kind of jointing method, be used to connect the end of a plurality of yarns, it is characterized in that having:
Yarn connects operation, and a plurality of yarns are interconnected, and forms on each yarn as the lower part: connecting portion interconnects at the separating part of separating towards the direction of base end part from the leading section of a plurality of yarns and to form; Jut extends to the leading section of each yarn from connecting portion; And a plurality of branching portions, extend respectively from the base end part of connecting portion to a plurality of yarns,
Jut is operation fixedly, and above-mentioned jut is overlapped along at least one branching portion in a plurality of branching portions, so that above-mentioned jut and the branching portion that overlaps with above-mentioned jut are fixed.
In addition, in the present invention, preferably at above-mentioned jut fixedly in the operation, the branching portion that is fixed with above-mentioned jut is for being configured in the branching portion of supplying with the yarn feeding direction upstream side of carrying each yarn with respect to connecting portion.
In addition, in the present invention,, make jut and branching portion respectively behind the part backtwisting, make the mutual complexing of part of backtwisting and jut is fixed on the branching portion preferably at above-mentioned jut fixedly in the operation.
In addition, in the present invention,, make jut around the axis rotation of branching portion and make the jut volume be affixed on branching portion, thereby jut is fixed on the branching portion preferably at above-mentioned jut fixedly in the operation.
In addition, in the present invention, preferably fixedly in the operation, under the state that is preventing the common rotation of branching portion and jut, the jut volume is affixed on branching portion at above-mentioned jut.
In addition, in the present invention, preferably at above-mentioned jut fixedly in the operation, towards the branching portion that will fix and along jut towards direction winding-up compressed fluid and jut and branching portion are fixed.
In addition, in the present invention, preferably connect in the operation at above-mentioned yarn, any one of the method that the method that connects by making a plurality of yarn complexings is connected with a plurality of yarns are bound interconnects the separating part of a plurality of yarns.
In addition, the present invention is the yarn that carries out joint with above-mentioned jointing method.
In addition, the present invention utilizes with above-mentioned jointing method to carry out the knitted fabric that the stocking yarn of joint weaves.
In addition, the present invention is a kind of piecing devices, is used to connect the end of a plurality of yarns, it is characterized in that having:
The yarn linkage unit interconnects a plurality of yarns, forms on each yarn as the lower part: connecting portion interconnects at the separating part of separating towards the direction of base end part from the leading section of a plurality of yarns and to form; Jut extends to the leading section of each yarn from connecting portion; And a plurality of branching portions, extend respectively from the base end part of connecting portion to a plurality of yarns,
The jut fixed cell makes above-mentioned jut overlap and above-mentioned jut and the branching portion that overlaps with above-mentioned jut are fixed along at least one branching portion in a plurality of branching portions.
In addition, in the present invention, preferred above-mentioned jut fixed cell is fixed to jut on the branching portion, and this branching portion is configured in respect to connecting portion and supplies with the yarn feeding direction upstream side of carrying each yarn.
In addition, in the present invention, preferred above-mentioned jut fixed cell is by with behind jut and the branching portion part backtwisting, make backtwisting the mutual complexing of part the complexing method or make jut make the jut volume be affixed on any one of method of branching portion, fixed protrusion and branching portion around the rotation of the axis of branching portion.
In addition, in the present invention, preferred above-mentioned yarn linkage unit makes the method for a plurality of yarn complexings or the method that binds and the separating part of a plurality of yarns is interconnected.
In addition, in the present invention, preferred above-mentioned yarn linkage unit comprises first head of splicing, to a plurality of yarn superposed part winding-up compressed fluids and a plurality of yarns are connected,
Above-mentioned jut fixed cell comprises second head of splicing, to above-mentioned jut winding-up compressed fluid and jut and branching portion are fixed.
Description of drawings
Purpose of the present invention, characteristic and advantage can be clear and definite from following detailed description and drawing.
Figure 1A～Fig. 1 D is the front elevation of stocking yarn of order that is used to represent the jointing method of first embodiment of the present invention.
Fig. 2 is the figure that expression has the straight-bar machines 31 of piecing devices 30.
Fig. 3 will be contained in an enlarged perspective of 33,34 amplification expressions of respectively splicing of piecing devices 30.
Fig. 4 is the fixing flow chart of the order of operation of jut of expression piecing devices 30.
Fig. 5 is the fixedly flow chart of the order of operation of expression jut.
Fig. 6 A～Fig. 6 D is the fixedly figure of the action of each step center tap device 30 of operation of expression jut.
Fig. 7 A and Fig. 7 B are splice perspective views of 34 of second of the expression jointing method that is used to illustrate second embodiment of the present invention.
Fig. 8 is the S8-S8 hatching being seen profile of expression from Fig. 7 A.
Fig. 9 is the S9-S9 hatching being seen profile of expression from Fig. 8.
Figure 10 A and Figure 10 B are the figure of the piecing devices 30A of the reduced representation jointing method of realizing second embodiment.
Figure 11 is illustrated in the front elevation that connects the stocking yarn 24B after connecting in the operation as the yarn of the 3rd embodiment of the present invention.
Figure 12 A～Figure 12 D is the front elevation of the state of representing that respectively jut 23a, 23b are fixed.
Figure 13 is the figure that is illustrated in the yarn that is obtained in the jointing method of the 3rd prior art.
The specific embodiment
Below the preferred implementation that present invention will be described in detail with reference to the accompanying.
Figure 1A～Fig. 1 D is the front elevation of stocking yarn of order that is used to illustrate the jointing method of first embodiment of the present invention.Carry out the joint order by the order of Figure 1A～Fig. 1 D.Jointing method is the method that is used to make two stocking yarn 21,22 joints.Jointing method for example uses under the situation of the stocking yarn top connection of stocking yarn in braiding of the stocking yarn different colours in making and weaving.In addition, jointing method also is used to make the situation of new stocking yarn in the stocking yarn top connection of fracture.In the present embodiment, the method that makes two stocking yarn 21,22 joints is described.
In the jointing method of first embodiment of the present invention, at first prepare two stocking yarns 21,22 (Figure 1A) as yarn.Then make leading section 21a, the 22a of stocking yarn 21,22 overlap configuration towards equidirectional.So-called in the present invention " towards equidirectional " is meant " end face of leading section 21a, 22a that makes stocking yarn 21,22 is towards equidirectional ".Each stocking yarn 21,22 is provided with separating part 21c, 22c along from leading section 21a, the 22a direction towards base end part 21d, 22d in the position of leaving predefined overhang H1.Under the state that each stocking yarn 21,22 is overlapped, at least each stocking yarn 21,22 in part from leading section 21a, 22a to separating part 21c, 22c, be to extend along equidirectional mutually on leading section intersection 21e, the 22e to overlap (Figure 1B).
After overlapping configuration, make front end intersection 21e, 22e backtwisting in two the stocking yarn 21,22.Then make leading section intersection 21e, the mutual cross winding of 22e behind the backtwisting, and make front end intersection 21e, the 22e of two stocking yarns 21,22 connect (Fig. 1 C) integratedly.Thus, two stocking yarns 21,22 form the stocking yarn 24 after the interconnective connection.Stocking yarn 24 after the connection is formed with: connecting portion 50 is interconnected by each separating part 21c, the 22c of each stocking yarn 21,22 before connecting and to form; Jut 23 extends to leading section 21a, the 22a that connects each preceding stocking yarn 21,22 from connecting portion 50; With two branching portions 51,52, extend respectively from base end part 21d, the 22d of the stocking yarn 21,22 of connecting portion 50 before connecting.Each branching portion 51,52 remainder with the front end intersection 21e, the 21b that remove each stocking yarn 21,22 before the joint respectively is suitable.In addition, branching portion 51,52 is that starting point branches into two strands with connecting portion 50.Two stocking yarns, 21,22 usefulness front end intersection 21e, 22e are connected, and the operation that forms the stocking yarn 24 after connecting and yarn to be connected operation suitable.
Then, with jut 23 complications, and jut 23 overlapped configuration along a branching portion in two branching portions 51,52 51.Under this state, with jut 23 and with a side branching portion 51 superposed part part backtwistings.Then make the mutual complexing of part of backtwisting, jut 23 is overlapped fixing (Fig. 1 D) along a branching portion 51.Like this with jut 23 configuration and be fixed on the operation of at least one branching portion 51 and jut fixedly operation is suitable.By the stocking yarn behind the joint of joint 25, because the leading section 23a of jut 23 is fixed on the branching portion 51, jut 23 is compared with overhang H1 before jut is fixing with respect to the outstanding overhang H2 of branching portion 51 diminish (H2＜H1).For example, the overhang H1 before jut is fixing is 15mm, and is relative therewith, and the overhang H2 after jut is fixing is 1mm.But above-mentioned overhang H1, H2 are examples, according to the joint condition of the kind of yarn, radical that will joint, compressed-air actuated winding-up amount etc. very big variation are arranged.
Fig. 2 is the figure of straight-bar machines 31 that expression has the piecing devices 30 of an embodiment of the invention.Fig. 3 will be contained in a perspective view of 33,34 amplification expressions of respectively splicing of piecing devices 30.For Fig. 3, above-below direction is meant the above-below direction towards paper.The below is from the direction of yarn feeding direction upstream side to yarn feeding direction downstream side.Above-mentioned jointing method is reached by the piecing devices 30 of present embodiment.Piecing devices 30 are air splicers, are included in the straight-bar machines 31 of making knit fabric.In the present embodiment, two stocking yarns be the use that is used for weaving stocking yarn and will be with respect to other stocking yarn of the stocking yarn joint in using.Other stocking yarn is suitably selected from a plurality of stocking yarns.
First to splice 33 be to carry out above-mentioned yarn to connect operation so that two stocking yarn 21,22 interconnective yarn linkage units.First splices 33 is formed with the first slot part 33a, and this first slot part 33a regulation axis L1 is along cylindraceous first space 60 of splicing that a horizontal direction X1 (hereinafter referred to as " X1 " direction) extends.The first slot part 33a is formed with and is used for supplying with the compressed-air actuated first nozzle 33b to first the splice space 60.In addition, the first slot part 33a is from X1 direction end to end, up to X2 (hereinafter referred to as " X2 direction ") opening.This peristome 33c form along with from the first slot part 33a along the X2 direction away from and the space, first gateway 61 of the terminal triangle column that enlarges.
Have the straight-bar machines 31 of piecing devices 30, for example TOHKEMY 2006-118059 communique is disclosed.As shown in Figure 2, straight-bar machines 31 has a plurality of yarn feeders 37, and it will be at the stocking yarn 41 of piecing devices 30 joints to the knitting needle yarn feeding.Straight-bar machines 31 can optionally switch the stocking yarn 41 of supplying with knitting needle by the yarn feeder 37 of switching with cam carrier 36 interlocks.But because the number of spendable yarn feeder 37 is restricted, therefore the kind of spendable stocking yarn 41 is restricted.By switching the kind of stocking yarns 41, but can increase the kind of the stocking yarn 41 of yarn feeder 37 yarn feedings at piecing devices 30.
In the yarn feeding path of stocking yarn 41, between piecing devices 30 and yarn feeder 37,, be provided with the quantitative conveyer 38 of stocking yarn 41 for the tension force drastic change of inhibitory action in stocking yarn 41.In addition, straight-bar machines 31 has control part 39 sum counter portions 40.Control part 39 is less as condition with the change of the tension force that acts on stocking yarn, calculates the required stocking yarn length of making knit fabric in advance, for example along the length of the required stocking yarn of coil line direction braiding one row.In addition, control part 39 detects the position of cam carrier 36 from the position sensor of being located at cam carrier 36.Control device 39 is according to 36 position of cam carrier and the stocking yarn length computation that the calculates moment to stocking yarn 41 joints.Control device 39 makes piecing devices 30 carry out joint according to result of calculation.Control device 39 is under the situation of carrying out joint in addition, compares with the situation of joint not, controls so that the speed of the quantitative conveyer 38 of stocking yarn descends.Counter portion 40 gate times and timing result sent to control part 39 in addition.
Fig. 4 is the flow chart of the order handled of the joint of expression piecing devices 30.Fig. 5 is the fixedly flow chart of the order of operation of expression jut.Fig. 6 A～Fig. 6 D is the fixedly figure of the action of each step center tap device 30 of operation of expression jut.In Fig. 6 A～Fig. 6 D, the yarn feeding direction B of stocking yarn is set at the below.Joint in the present embodiment for example uses when a yarn feeder 37 is supplied with stocking yarn of different nature in embossing braiding etc.
Connecting as yarn among the step s1 of operation, for example by with the identical method of jointing method of the disclosed piecing devices of TOHKEMY 2005-314104 communique, connect two stocking yarns 21,22.Particularly, 61 import first space 60 of splicing by front end intersection 21e, the 22e of two stocking yarns 21,22 of guiding parts before will connecting from space, first gateway.At this moment, the stocking yarn 21 of a side, the remainder 21f that removes front end superposed part 21e extends upward from first space 60 of splicing.In addition, other stocking yarn 22, the nubbin 22f that removes front end superposed part 22e extends downwards from first space 60 of splicing, and passes second space 62 of splicing.Under this state, by carrying out clamping near separating part 21c, the 22c of yarn clamping mechanism to each stocking yarn 21,22, and cut off by cutter near leading section 21a, the 22a of each stocking yarn 21,22.Front end intersection 22e, the 22e of two stocking yarns 21,22 embeds the first slot part 33a (Fig. 6 A) in the mode that overlaps along the X1 direction.
Then piecing devices 30 from the first nozzle 33b to the first space 60 winding-up compressed air of splicing, with the cross winding of each front end intersection 21e, 22e of beginning stocking yarn 21,22.From beginning to jet compressed air, stop the compressed air of jetting to through behind the first setting-up time t1.The first setting-up time t1 for example is 100msec, is set at the time that the profile of front end intersection 21e, 22e does not excessively diminish. Front end intersection 21e, 22e cross winding and integrated by making two stocking yarns 21,22 forms the stocking yarn 24 with jut 23 like this.Stop to jet behind the compressed air, remove yarn clipping and discharge stocking yarn 24 after the connection, and begin the conveying of stocking yarn 24 once more.Stocking yarn connects the operation end thus, shifts to step s2.
Fixedly among the step s2 of operation, carrying out the order of s21～s25 of Fig. 5 as jut successively.At first, in step s21, after the judgement yarn connects the operation end, the counting of beginning counter portion 40, and shift to step s22.In step s22, the stocking yarn 24 after will being connected by quantitative conveyer 38 is carried along yarn feeding direction B, and control part 39 judges that whether the counting of counter portion 40 is through the second setting-up time t2.
By the stocking yarn 24 after yarn feeding direction B carry to connect, jut 23 is deviate from from first space 60 of splicing.In the stocking yarn 24, two branching portions 51,52 extend along the vertical direction thus, and jut 23 is to X1 direction outstanding (Fig. 6 B).Be starting point with connecting portion 50 this moment, and a branching portion 51 extends upward, and another branching portion 52 extends downwards.Other branching portion 52 embeds the second slot part 34a in addition.
Drive quantitative conveyer 38 and with stocking yarn 24 after yarn feeding direction B carries, jut 23 embeds the second slot part 34a.By the peristome 34d of the upper side of the second slot part 34a, the peristome 34d of side is folding upward from the peristome 34e of the lower side of the second slot part 34a for jut 23.Jut 23 overlaps (Fig. 6 C) from root to leading section 23a along the branching portion 51 as yarn feeding direction upstream side thus.Deviate from from jut 23 and branching portion 51 from the first slot part 33a like this back to the time that embeds the second slot part 34a be the second setting-up time t2.The second setting-up time t2 for example is 100msec.If control part 39 is judged as not through the second setting-up time t2, then return step s22 and repeat to judge, then shift to step s23 if judge through the second setting-up time t2.
In step s23, begin since the second nozzle 32b to the second space 62 winding-up compressed air of splicing.Embed jut 23 and branching portion 51 beginning part cross windings of the second slot part 34a thus.Particularly, the compressed air that sprays from the second nozzle 32b along inclined direction A enter.By adipping A winding-up compressed air, jut 23 falls down towards a branching portion 51 like this, and easy cross winding mutually becomes.Begin to jet behind the compressed air, shift to step s24.
In step s24, the counting of counter portion 40 judges that whether beginning splice behind the 62 winding-up compressed air of space through the 3rd setting-up time t3 to second.The 3rd setting-up time t3 is the intensity from the stocking yarn 25 behind the joint that can guarantee jut 23 and branching portion 51 cross winding gained that begins to jet, and the time that can guarantee the bond strength of two branching portions 51,52.Though the elongated bond strength of time that the stocking yarn 24 after the connection is exposed in air flow uprises, near the external diameter the joint of the stocking yarn 24 after connecting attenuates the weakened of stocking yarn self.The time that stocking yarn 24 after the connection is exposed in air flow shortens, and bond strength dies down.Consider that these situations determine the 3rd setting-up time t3.The 3rd setting-up time t3 for example is 100msec.If be judged as, then return step s24 and repeat and judge, and after being judged as, shift to step 25 through the 3rd setting-up time t3 not through the 3rd setting-up time t3.
In step s25, stop to supply with compressed air, and finish fixedly operation of jut to second the splice space 62.Splice 34 by second like this, jut 23 can form incorporate stocking yarn 25 with the state that overlaps along a branching portion 51 from root to leading section 22a.Finish jut fixedly after the operation, the stocking yarn 25 after jut 23 and branching portion 51 are integrated is configured to, by guiding parts along the X3 direction by space, second gateway 63, from second slot part 34a disengaging, pass peristome 34c.
The stocking yarn 25 (41) that such joint is obtained by yarn feeder 37 to the knitting needle yarn feeding and making knit fabric.The knitted fabric that can have different patterns thus with stocking yarn 25 (41) braidings of supplying with from a yarn feeder 37.Pass through to switch the kind of the stocking yarn of guiding yarn feeders 37 in addition, but can increase the kind of the stocking yarn 41 of yarn feeder 37 yarn feedings by piecing devices 30.
According to the jointing method of above present embodiment, connect in the operation at joint, by connect each stocking yarn 21,22 at separating part 21c, 22c, can prevent that the external diameter that weaves each branching portion 51,52 when connecting from diminishing, and can guarantee the intensity of the stocking yarn of joint.In addition, at jut fixedly in the operation, by with jut 23 along a branching portion 51 configurations and fixing, jut 23 is diminished with respect to the overhang H2 of branching portion 51,52.Can make the stocking yarn 25 behind the joint of guaranteeing intensity and harmless outward appearance like this.
If stocking yarn 25 making knit fabrics behind the use joint can prevent that then jut 23 is outstanding laterally from the surface coils of knitted fabric.Therefore can omit and confirm jut 23 from outstanding laterally operation of the surface coils of knitted fabric and the operation that outstanding jut 23 is put into the knitted fabric inboard, omit the float treatment process behind the joint, available less operation provides the knitted fabric of harmless outward appearance.By preventing the outstanding of jut 23, can make the feel homogenising of knitted fabric in addition.According to the piecing devices 30 of present embodiment, can realize to reach the jointing method of above-mentioned action and effect in addition.
In addition, in the present embodiment, the branching portion 51 of fixed protrusion 23 is the branching portions that are configured in yarn feeding direction upstream side with respect to connecting portion 50.The leading section 23a of jut 23 compares with the situation that is configured in the downstream side of yarn feeding direction B with respect to connecting portion 50 thus, the resistance force diminishes of sending yarn in the time of can making the stocking yarn 25 behind the supply joint, thus can successfully send yarn to yarn feeder 37.
In addition, at jut fixedly in the operation, with respect to the bearing of trend of the stocking yarn 24 after connecting, the adipping A compressed air of jetting.In addition with jut 23 and branching portion 51 respectively behind the part backtwistings, make the mutual complexing of part of backtwisting and jut 23 is fixed on the branching portion 51.Can prevent thus that jut 23 and branching portion 51 from producing excessively splices, and the part that can prevent the external diameter of the stocking yarn 25 behind the joint becomes superfine and intensity diminishes.23 of compressed air towards the branching portion 51 that will fix along jut towards the direction winding-up.Thus, jut 23 falls down towards the branching portion 51 that will fix, can more reliably jut 23 cross windings be fixed on the branching portion 51.
Fig. 7 A and Fig. 7 B are splice perspective views of 34 of second of the expression jointing method that is used to illustrate second embodiment of the present invention.Fig. 8 is the S8-S8 hatching being seen profile of expression from Fig. 7 A.Fig. 9 is the S9-S9 hatching being seen profile of expression from Fig. 8.Figure 10 A and Figure 10 B are the figure of piecing devices 30A that represents to realize the jointing method of second embodiment simplifiedly.In second embodiment, for the fixing operation of jut, compare first embodiment except compressed-air actuated blowing direction difference, have the formation same with first embodiment, omit explanation for same formation.
Second splices 34 embeds the states of the second slot part 34a with jut 23, and in the mode that flows along direction of rotation 70 from second nozzle 34b winding-up compressed air (Fig. 7 A), advance to a side of the axis direction of branching portion 51 around the second axis L2 rotation limit of splicing space 62 in described direction of rotation 20 limits.Thus in step s23, the jut 23 that embeds the second slot part 34a around the axis rotation of a branching portion 51 repeatedly and volume is affixed on a branching portion 51 (Fig. 7 B).Also can paste jut 23 and a branching portion 51 fixing by such volume.
In the present embodiment, by the second nozzle 34b, the limit is advanced around axis L2 rotational flow to above-mentioned incline direction A in the compressed air limit.Jut 23 falls down towards a branching portion 51 thus, and becoming easily, volume is affixed on a branching portion 51 (Fig. 8).In addition under perpendicular to the being seen situation of the section of axis L2, incline direction A off-axis L2 and towards the inner peripheral surface of the second slot part 34a.Can make compressed air rotate (Fig. 9) around axis L2 thus along the inner peripheral surface of the second slot part 34a.Even second embodiment by carrying out the order shown in first embodiment, also can similarly carry out joint, and can obtain the effect same with first embodiment.
In addition by rotation jut 23, regardless of the compressed-air actuated winding-up time, all the sth. made by twisting that can prevent branching portion 51 is by backtwisting, and prevents the branching portion 51 that overlaps with jut 23 and the variation in diameter of near zone thereof, thereby the intensity that prevents the yarn behind the joint diminishes.The winding-up of compressed fluid is enlarged constantly, joint control is easily realized.In addition, direction of rotation 70 is preferably the direction that the sth. made by twisting of a branching portion 51 steps up.
The piecing devices 30A of other second embodiment is provided with rotational resistance body 71,72, and it is the resistance body that prevents that each branching portion 51 from rotating around axis.In the present embodiment, rotational resistance body 71,72 realized by the tension applying apparatus that applies tension force to stocking yarn 41, is configured in second upstream side and the downstream side of splicing a yarn feeding direction of 34 respectively.Therefore, fixedly in the operation,, can prevent that also each branching portion 51,52 and jut 23 from rotating jointly at jut even produce the rotating flow that compressed air causes.Can carry out the relative rotation of jut 23 reliably thus, and can make and jut 23 volume is affixed on the 51 required times of branching portion shortens with respect to branching portion 51.
Like this, jut fixedly operation gets final product jut 23 so that the state that overlaps along a branching portion 51 is fixing, and also the cross winding mode of first embodiment, the volume shown in second embodiment paste mode.In addition as other method, also can be with jut 23 and mechanically rubbing of branching portion 51, twisting, thus make them integrated.
In addition, the joint style to stocking yarn is illustrated in the present embodiment, but the yarn of fiber spinning is carried out the method for joint applicable to all.Therefore also applicable to the joint of the yarn for weaving purpose that constitutes by yarn.In addition, in the present embodiment, jut 23 is fixing integratedly with the branching portion 51 that is in yarn feeding direction B upstream side with respect to connecting portion 50, but also can be fixing integratedly with the branching portion 52 that is in yarn feeding direction B downstream side with respect to connecting portion 50.In this case, the stocking yarn 24 after can realizing connecting inserts second splice 34 the second slot part 34a from the direction opposite with yarn feeding direction B.
In the present embodiment, side configuration first splices 33 up, splices 34 in lower side configuration second, but also can be to splice 33 in lower side configuration first, and side configuration second splices 34 up.In this case, yarn feeding direction B also becomes from the below towards the direction of top.33,34 the configuration of so respectively splicing is not defined, and X1～X3 direction also can be set arbitrarily.Also can carry out yarn in addition and connect fixedly operation of operation and jut at the head of splicing.
In addition, in the present embodiment, respectively splice 33,34 to yarn winding-up compressed air, but also can be to yarn other the compressed fluid such as liquid of jetting.By the compressed air of jetting to yarn, can realize the connection of yarn and fixing of jut with simple formation.Piecing devices 30 also can be used for beyond the embossing braiding in addition.For example by making straight-bar machines 31 have piecing devices 30, but can increase the kind of the stocking yarn 41 of yarn feeder 37 yarn feedings.
Figure 11 is illustrated in the front elevation that connects the stocking yarn 24B that connects in the operation as the yarn of the jointing method of the 3rd embodiment of the present invention.Figure 12 A～Figure 12 D is the front elevation of the state of representing that respectively jut 23a, 23b are fixed.In the 3rd embodiment, connect operation for yarn, compare except method of attachment is different with first or second embodiment, have and the identical formation of first or second embodiment, omit explanation for identical formation.
In the 3rd embodiment,, connect a plurality of stocking yarns 21,22 by binding by knotting device as the yarn knotting device.Under the state that two stocking yarns 21,22 connect, form tieing at above-mentioned separating part 21c, 22c.Form thus as the lower part: above-mentioned connecting portion 50; Jut 23a, 23b extend to leading section 21a, the 22b of each stocking yarn 21,22 from connecting portion 50; A plurality of branching portions 51,52, base end part 21d, the 22f towards a plurality of stocking yarns 21,22 extends respectively from connecting portion 50.In the 3rd embodiment, form jut 23a, 23b with the number same number of the stocking yarn 21,22 that is connected.For example knotting device is open in Japanese kokai publication hei 6-2250 communique.
Even the 3rd embodiment, also with first or second embodiment similarly, fixedly in the operation, jut 23a, 23b fix with the state that overlaps along a branching portion 51,52 at least respectively at jut.At jut fixedly in the operation, can make each jut 23a, 23b respectively cross winding be fixed to a branching portion 51 (Figure 12 A), in addition also can with each jut 23a, 23b respectively cross winding be fixed to different branching portion 51,52 (Figure 12 B).In addition, fixedly in the operation, each jut 23a, 23b volume can be pasted and be fixed in a branching portion 51 (Figure 12 C), also each jut 23a, 23b can be rolled up respectively in addition to paste and be fixed in different branching portion 51,52 (Figure 12 D) at jut.In the 3rd embodiment, by carrying out fixedly operation of jut, jut 23a, 23b also can make from branching portion 51 outstanding overhang H12～H15 and fix preceding overhang H11 less than jut.
Like this, yarn connects operation and connects each yarn 21,22 with a plurality of branching portions 51,52 from the mode of jut 23 branches and get final product, and can be the cross winding mode of first embodiment, also can be the mode that binds shown in the 3rd embodiment.In addition, also can use formation tieing shown in Figure 11 knotting device in addition.Form jut 23 method in addition in addition, also can connect each yarn 21,22 by rubbing mode or twisting mode.
In above present embodiment, method with two stocking yarn 21,22 joints is illustrated, even but the joint of two or the many a plurality of stocking yarns more than three also can be used as one by the structure that will overlap a plurality of stocking yarns and be suitable for same jointing method.The equipment that has the piecing devices 30 of present embodiment in addition is not limited to straight-bar machines 31, also can be loom or winder etc.In addition the present invention also comprise yarn with the jointing method joint, by yarn braiding and woven knitted fabric or fabric.
The present invention can implement under other various forms that do not break away from its purport or main feature.Therefore, above-mentioned embodiment is not only simply expression for example at each point, and scope of the present invention is the scope shown in claims, not limited by specification.And then, belong to interior distortion of claim scope or change all within the scope of the invention.
According to the present invention, connect in the operation at yarn, on each yarn, form connecting portion, jut, a plurality of branching portion.By connect each yarn at connecting portion, can prevent that the external diameter of each branching portion when yarn connects from diminishing, and can guarantee the intensity of the yarn of joint.In addition, fixedly in the operation, overlap and jut and branching portion are fixed along branching portion, can suppress jut from the outstanding overhang of branching portion by making jut at jut.If use the yarn making knit fabric behind the joint in addition, can prevent that then jut is outstanding laterally from the surface coils of knitted fabric, can omit and will put into the float processing of knitted fabric inboard from the outstanding laterally jut of the surface coils of knitted fabric.
According to the present invention, the branching portion and the jut that are configured in yarn feeding direction upstream side are fixed.Thus, compare in the situation of yarn feeding direction downstream side, can make and send the yarn resistance force diminishes when supplying with yarn, and the yarn that send of the yarn behind the joint is successfully carried out with the front-end configuration of jut.
According to the present invention, at jut fixedly in the operation, jut and branching portion respectively behind the part backtwisting, are made their complexings.Can prevent yarn complexing excessive between jut and branching portion thus, and can prevent the variation in diameter of the branching portion that overlaps with jut and its near zone, thereby the intensity that can prevent the yarn behind the joint diminishes.
According to the present invention, fixedly in the operation, make jut be affixed on branching portion around the axis rotation of branching portion and with the jut volume at jut.By the rotation jut, the sth. made by twisting that can prevent branching portion is by backtwisting, and prevents the branching portion that overlaps with jut and the variation in diameter of near zone thereof, thereby the intensity that can prevent the yarn of joint diminishes.
According to the present invention,, rotate jointly fixedly in the operation at jut by preventing branching portion and jut, can carry out the relative rotation of the relative branching portion of jut reliably, and can shorten the jut volume is affixed on the required time of branching portion.
According to the present invention, fixedly in the operation,, can apply the power that jut is fallen down at jut towards the branching portion that will fix by the winding-up compressed fluid, can make jut be fixed to branching portion more reliably.
According to the present invention, connect in the operation at yarn, connect yarn and any one the connection yarn that binds the method that is connected by utilizing cross winding, can connect a plurality of yarns.
According to the present invention, can prevent that intensity from reducing, and suppress jut, thereby obtain the concavo-convex less yarn of radial direction from the outstanding overhang of component.
According to the present invention, can realize preventing that the part of yarn is to the outstanding knitted fabric in the outside of thickness direction.
According to the present invention, by connecting each yarn at connecting portion, can prevent that the external diameter of each branching portion when yarn connects from diminishing by the yarn linkage unit, can guarantee the intensity of the yarn of joint.By make jut by the jut fixed cell, can suppress jut in addition from the outstanding overhang of branching portion along branching portion configuration and fixing.Prevent that thus jut is outstanding laterally from the surface coils of knitted fabric, can omit the float that makes jut put into the knitted fabric inboard and handle.
According to the present invention, the jut fixed cell is fixed the branching portion and the jut that are configured in yarn feeding direction upstream side, thereby makes the resistance force diminishes of sending yarn, can successfully carry out behind the joint yarn send yarn.
According to the present invention, the jut fixed cell is with jut and the complexing of branching portion part or make the jut volume be affixed on branching portion, thereby jut and branching portion can be fixed.
According to the present invention, the yarn linkage unit makes a plurality of yarn complexings or binds, thereby the separating part of a plurality of yarns is interconnected.
According to the present invention, first splices head by connecting a plurality of yarns to a plurality of yarn superposed part winding-up compressed fluids.Second splices head by to the compressed fluid of being jetted by first jut of splicing capitiform one-tenth, and jut and branching portion are fixed.By such use compressed fluid, can carry out the connection of a plurality of yarns and fixing of jut and branching portion.
Claims (17)
1. jointing method is used to connect the end of a plurality of yarns, it is characterized in that having:
Yarn connects operation, and a plurality of yarns are interconnected, and forms on each yarn as the lower part: connecting portion interconnects at the separating part of separating towards the direction of base end part from the leading section of a plurality of yarns and to form; Jut extends to the leading section of each yarn from connecting portion; And a plurality of branching portions, extend respectively from the base end part of connecting portion to a plurality of yarns,
Jut is operation fixedly, and above-mentioned jut is overlapped along at least one branching portion in a plurality of branching portions, so that above-mentioned jut and the branching portion that overlaps with above-mentioned jut are fixed.
2. jointing method as claimed in claim 1 is characterized in that, fixedly in the operation, the branching portion that is fixed with above-mentioned jut is for being configured in the branching portion of supplying with the yarn feeding direction upstream side of carrying each yarn with respect to connecting portion at above-mentioned jut.
3. jointing method as claimed in claim 1 or 2 is characterized in that, at above-mentioned jut fixedly in the operation, makes jut and branching portion respectively behind the part backtwisting, makes the mutual complexing of part of backtwisting and jut is fixed on the branching portion.
4. jointing method as claimed in claim 1 or 2 is characterized in that, at above-mentioned jut fixedly in the operation, makes jut around the axis rotation of branching portion and make the jut volume be affixed on branching portion, thereby jut is fixed on the branching portion.
5. jointing method as claimed in claim 4 is characterized in that, fixedly in the operation, under the state that is preventing the common rotation of branching portion and jut the jut volume is affixed on branching portion at above-mentioned jut.
6. as any described jointing method of claim 3～5, it is characterized in that, at above-mentioned jut fixedly in the operation, towards the branching portion that will fix and along jut towards direction winding-up compressed fluid and jut and branching portion are fixed.
7. as any described jointing method of claim 1～6, it is characterized in that, connect in the operation, make a plurality of yarn complexings and the separating part of a plurality of yarns is interconnected at above-mentioned yarn.
8. as any described jointing method of claim 1～6, it is characterized in that, connect in the operation, a plurality of yarns are bound and the separating part of a plurality of yarns is interconnected at above-mentioned yarn.
9. a yarn carries out joint with any described jointing method in the claim 1～8.
10. a knitted fabric utilizes the stocking yarn that carries out joint with any described jointing method in the claim 1～8 to weave.
11. piecing devices are used to connect the end of a plurality of yarns, it is characterized in that having:
The yarn linkage unit interconnects a plurality of yarns, forms on each yarn as the lower part: connecting portion interconnects at the separating part of separating towards the direction of base end part from the leading section of a plurality of yarns and to form; Jut extends to the leading section of each yarn from connecting portion; And a plurality of branching portions, extend respectively from the base end part of connecting portion to a plurality of yarns,
The jut fixed cell makes above-mentioned jut overlap and above-mentioned jut and the branching portion that overlaps with above-mentioned jut are fixed along at least one branching portion in a plurality of branching portions.
12. piecing devices as claimed in claim 11 is characterized in that, above-mentioned jut fixed cell is fixed to jut on the branching portion, and this branching portion is configured in respect to connecting portion and supplies with the yarn feeding direction upstream side of carrying each yarn.
13. as claim 11 or 12 described piecing devices, it is characterized in that, above-mentioned jut fixed cell with jut and branching portion part backtwisting after, make the mutual complexing of part of backtwisting and jut and branching portion fixed.
14., it is characterized in that above-mentioned jut fixed cell makes jut around the rotation of the axis of branching portion and make the jut volume be affixed on branching portion, thereby jut and branching portion are fixed as claim 11 or 12 described piecing devices.
15. any described piecing devices as claim 11～14 is characterized in that above-mentioned yarn linkage unit makes a plurality of yarn complexings interconnect with the separating part with a plurality of yarns.
16. any described piecing devices as claim 11～14 is characterized in that above-mentioned yarn linkage unit binds with the separating part with a plurality of yarns a plurality of yarns and interconnects.
17. any described piecing devices as claim 13～15, it is characterized in that, above-mentioned yarn linkage unit comprises first head of splicing, to a plurality of yarn superposed part winding-up compressed fluids a plurality of yarns are connected, above-mentioned jut fixed cell comprises second head of splicing, to above-mentioned jut winding-up compressed fluid and jut and branching portion are fixed.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006181485 | 2006-06-30 | ||
| JP181485/2006 | 2006-06-30 | ||
| JP2006305909 | 2006-11-10 | ||
| JP305909/2006 | 2006-11-10 | ||
| PCT/JP2007/063047 WO2008001869A1 (en) | 2006-06-30 | 2007-06-28 | Yarn splicing method and yarn splicing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101501255A true CN101501255A (en) | 2009-08-05 |
| CN101501255B CN101501255B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800250166A Active CN101501255B (en) | 2006-06-30 | 2007-06-28 | Yarn splicing method, yarn splicing device and products obtained therefor |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2042625B1 (en) |
| JP (1) | JP4979699B2 (en) |
| KR (1) | KR101331016B1 (en) |
| CN (1) | CN101501255B (en) |
| AT (1) | ATE554208T1 (en) |
| WO (1) | WO2008001869A1 (en) |
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| CN105253714A (en) * | 2015-11-10 | 2016-01-20 | 太仓市世博纺织配件有限公司 | Machining method of knotting gun head |
| CN105293190A (en) * | 2015-11-10 | 2016-02-03 | 太仓市世博纺织配件有限公司 | Knotting gun head |
| CN109825935A (en) * | 2019-02-18 | 2019-05-31 | 鲁丰织染有限公司 | Yarn method is connect by hand |
| CN110258015A (en) * | 2019-05-07 | 2019-09-20 | 安吉万洲电气有限公司 | Weaving spool for textile manufacturing more exchange device automatically |
| CN112093586A (en) * | 2019-06-18 | 2020-12-18 | 卓郎纺织解决方案两合股份有限公司 | Yarn connecting device for knotless connection of two yarn ends |
| CN112111826A (en) * | 2020-08-27 | 2020-12-22 | 巨石集团有限公司 | Yarn knotter and yarn knotting method |
| CN113307100A (en) * | 2021-07-07 | 2021-08-27 | 四川玄武岩纤维新材料研究院(创新中心) | Unmanned intelligent yarn changing system and automatic yarn changing method |
| CN113896053A (en) * | 2020-06-22 | 2022-01-07 | 东华大学 | Multiple looping device |
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| CN101775678B (en) * | 2009-01-08 | 2013-11-13 | 上海凯利纺织五金有限公司 | Splicing chamber of air splicer for splicing wool |
| DE102017124989A1 (en) * | 2017-10-25 | 2019-04-25 | Maschinenfabrik Rieter Ag | Yarn return unit for returning a yarn and workstation of a textile machine with a yarn return unit |
| EP3736236A1 (en) * | 2019-05-08 | 2020-11-11 | Heberlein AG | Splice head for a splicing device, splicing device with at least one splice head, method for splicing yarns with splice head, computer program product |
| KR102111656B1 (en) | 2019-12-17 | 2020-05-15 | 김래곤 | Automatic knot device for circular knitting machine |
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| CN105253714A (en) * | 2015-11-10 | 2016-01-20 | 太仓市世博纺织配件有限公司 | Machining method of knotting gun head |
| CN105293190A (en) * | 2015-11-10 | 2016-02-03 | 太仓市世博纺织配件有限公司 | Knotting gun head |
| CN109825935A (en) * | 2019-02-18 | 2019-05-31 | 鲁丰织染有限公司 | Yarn method is connect by hand |
| CN110258015A (en) * | 2019-05-07 | 2019-09-20 | 安吉万洲电气有限公司 | Weaving spool for textile manufacturing more exchange device automatically |
| CN112093586A (en) * | 2019-06-18 | 2020-12-18 | 卓郎纺织解决方案两合股份有限公司 | Yarn connecting device for knotless connection of two yarn ends |
| CN113896053A (en) * | 2020-06-22 | 2022-01-07 | 东华大学 | Multiple looping device |
| CN112111826A (en) * | 2020-08-27 | 2020-12-22 | 巨石集团有限公司 | Yarn knotter and yarn knotting method |
| CN113307100A (en) * | 2021-07-07 | 2021-08-27 | 四川玄武岩纤维新材料研究院(创新中心) | Unmanned intelligent yarn changing system and automatic yarn changing method |
| CN113307100B (en) * | 2021-07-07 | 2023-04-07 | 四川玄武岩纤维新材料研究院(创新中心) | Unmanned intelligent yarn changing system and automatic yarn changing method |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2042625B1 (en) | 2012-04-18 |
| KR101331016B1 (en) | 2013-11-19 |
| JP4979699B2 (en) | 2012-07-18 |
| WO2008001869A1 (en) | 2008-01-03 |
| EP2042625A4 (en) | 2010-06-02 |
| JPWO2008001869A1 (en) | 2009-11-26 |
| ATE554208T1 (en) | 2012-05-15 |
| EP2042625A1 (en) | 2009-04-01 |
| CN101501255B (en) | 2012-09-05 |
| KR20090028573A (en) | 2009-03-18 |
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