EP2390393A1 - Vorbeugendes verfahren gegen das aufriefeln von strick- oder wirkware und fäden - Google Patents

Vorbeugendes verfahren gegen das aufriefeln von strick- oder wirkware und fäden Download PDF

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Publication number
EP2390393A1
EP2390393A1 EP09834307A EP09834307A EP2390393A1 EP 2390393 A1 EP2390393 A1 EP 2390393A1 EP 09834307 A EP09834307 A EP 09834307A EP 09834307 A EP09834307 A EP 09834307A EP 2390393 A1 EP2390393 A1 EP 2390393A1
Authority
EP
European Patent Office
Prior art keywords
yarn
knitting
stitch
holding
knitted fabric
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.)
Withdrawn
Application number
EP09834307A
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English (en)
French (fr)
Inventor
Hajime Kubo
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.)
Shima Seiki Mfg Ltd
Original Assignee
Shima Seiki Mfg Ltd
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 Shima Seiki Mfg Ltd filed Critical Shima Seiki Mfg Ltd
Publication of EP2390393A1 publication Critical patent/EP2390393A1/de
Withdrawn legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/10—Patterned fabrics or articles
    • D04B1/12—Patterned fabrics or articles characterised by thread material
    • D04B1/126—Patterned fabrics or articles characterised by thread material with colour pattern, e.g. intarsia fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/06—Non-run fabrics or articles

Definitions

  • the present invention relates to an unraveling prevention method of a knitting yarn at a yarn in portion or a yarn out portion where the knitting yarn is switched in the middle of knitting the knitted fabric when knitting a knitted fabric using a flat knitting machine, and a knitted fabric knitted by applying such a method.
  • the knitting yarn is switched in the middle of knitting the knitted fabric.
  • the portion where the knitting yarn is switched includes a yarn out portion, where the knitting yarn is pulled out from a knitted fabric portion knitted with the knitting yarn before the switching, and a yarn in portion, where the knitting yarn after the switching is introduced to the knitted fabric portion knitted with the knitting yarn before the switching, where the knitting yarn needs to be prevented from unraveling at the yarn in portion and the yarn out portion.
  • Patent Document 1 discloses knitting a knitted fabric with a knitting yarn that is yarned in after tucking on stitches of the knitted fabric held on needle beds when performing yarn in, and carrying out yarn out of the knitting yarn after tucking when performing yarn out.
  • Patent Document 2 discloses a method for forming a knot with a knitting yarn as a process of preventing unraveling of the knitting yarn at a yarn in portion and a yarn out portion.
  • Patent Documents 1 and 2 have the following problems.
  • the technique of Patent Document 2 is very strong for the unraveling prevention process and the knitting yarn is most unlikely to unravel, but includes great number of steps and the process sometimes takes time.
  • the present invention has been made in view of the above situations, and an object thereof is to provide an unraveling prevention method of a knitting yarn that exhibits sufficient unraveling prevention effect with a simple step, and a knitted fabric applied with such an unraveling prevention method.
  • the unraveling prevention method of the present invention is an unraveling prevention method of a knitting yarn at a yarn in portion or a yarn out portion when knitting a knitted fabric including at least one of the yarn in portion or the yarn out portion where the knitting yarn is switched in the middle of knitting the knitted fabric using a flat knitting machine having at least a pair of front and back needle beds and in which stitches can be transferred between the front and back needle beds.
  • the unraveling prevention method of the present invention includes the following steps, where a direction of introducing the knitting yarn is an advancing direction of the knitting yarn in the yarn in portion and a knitting direction of immediately before the formation of the yarn out portion is the advancing direction of the knitting yarn in the yarn out portion in the needle beds, and a direction opposite to the advancing direction is reversing direction.
  • the proximate stitch in the unraveling prevention method of the present invention refers to the two adjoining stitches on the needle bed or two stitches lined side by side with one stitch in between.
  • the former is defined as the upper side and the latter as the lower side.
  • the yarn feeder is preferably moved in the advancing direction in the step of yarn in or yarn out.
  • the procedure for forming the holding point is not particularly limited, but at least one holding point is preferably formed in the reversing direction.
  • the first holding point may be formed in the advancing direction and the second holding point may be formed in the reversing direction, or the holding point may not be formed in the advancing direction and two holding points may be formed in the reversing direction.
  • the positional relationship between the first holding point and the second holding point is preferably such that the first holding point is arranged on the advancing direction side and the second holding point is arranged on the reversing direction side.
  • Each of the two holding points may be divided to above and below each proximate stitch of the knitted fabric part and overlapped, where the manner of overlapping is not particularly limited. However there is a suitable knitting procedure for the yarn in portion and the yarn out portion. The suitable knitting procedure will be described below.
  • the knitting including the following steps is preferably carried out when preventing unraveling of the yarn out portion.
  • the knitting including the following steps is preferably carried out when preventing unraveling of the yarn in portion.
  • the knitted fabric of the present invention is a knitted fabric, knitted using a flat knitting machine having at least a pair of front and back needle beds and in which stitches can be transferred between the front and back needle beds, including at least one of a yarn in portion or a yarn out portion in which a knitting yarn is switched in the middle of knitting the knitted fabric.
  • the knitted fabric includes a holding stitch a that directly connects to an end stitch to become a starting edge of the knitted fabric portion newly formed by yarn in in the yarn in portion and directly connects to an end stitch to become a termination of the knitted fabric portion at which the knitting is terminated by yarn out in the yarn out portion, a holding stitch ⁇ that is formed proximate to the holding stitch a and that directly connects to the holding stitch ⁇ , and a redundant end of the yarn in portion or the yarn out portion that directly connects to the holding stitch ⁇ .
  • the knitting yarn from the end stitch to the redundant end is turned back at least once in a knitting width direction, where the holding stitch a and the holding stitch ⁇ are divided to the front and the back of each proximate stitch of the knitted fabric portion and overlapped.
  • the proximate stitch in the knitted fabric of the present invention refers to a certain stitch and a stitch having the following positional relationship with such a stitch.
  • the knitting yarn of the redundant end is preferably wrapped around to a sinker loop of the stitch to be overlapped with the holding stitch ⁇ .
  • the unraveling prevention method of the present invention prevents unraveling of the yarn in portion or the yarn out portion through a simple step compared to the unraveling prevention method of Patent Document 2.
  • the knitted fabric of the present invention including the yarn in portion or yarn out portion where each of the holding stitch a and the holding stitch ⁇ formed with the knitting yarn that is yarned in or the knitting yarn that is yarned out is divided to the front and back of each proximate stitch of the knitted fabric portion and overlapped can be knitted.
  • the knitted fabric of the present invention has the knitting yarns intertwined in a complex manner at the yarn in portion or the yarn out portion so that the knitting yarn is less likely to be unraveled compared to the knitted fabric formed according to Patent Document 1 although it is inferior to the knitted fabric formed according to Patent Document 2.
  • the unraveling prevention method of the present invention when the moving direction of the yarn feeder in the process of yarn in or yarn out is the advancing direction, the trace of the knitting yarn in the process of the unraveling prevention process becomes advancing direction ⁇ reversing direction ⁇ advancing direction, whereby the yarn in portion or the yarn out portion performed with strong unraveling prevention process is obtained.
  • the first holding point is arranged on the advancing direction side and the second holding point is arranged on the reversing direction side, and the knitting yarn fed after the second yarn feeding point is extended toward the advancing direction side, the yarn in portion or the yarn out portion performed with a stronger unraveling prevention process is obtained.
  • the knitted fabric including the yarn out portion wrapped around the sinker loop of the proximate stitch on which the holding stitch ⁇ is overlapped can be knitted.
  • the knitting yarn of the redundant end of the yarn out portion is pulled, such knitting yarn narrows the root of the proximate stitch on which the holding stitch ⁇ is overlapped, and hence the knitted fabric including the yarn out portion that is less likely to unravel is achieved.
  • the knitting yarn of the redundant end of the yarn in portion is wrapped around to the sinker loop of the proximate stitch on which the holding stitch ⁇ is overlapped and hence the yarn in portion performed with a stronger unraveling prevention process is obtained.
  • Fig. 1 and Fig. 2 are knitting step diagrams showing a knitting procedure of an unraveling prevention method at a yarn out portion, where FB in the figures indicates the front needle bed, BB indicates the back needle bed, a to f indicate the positions of the knitting needles shown with a dot, and ⁇ indicates a yarn feeder. Furthermore, in the figures, a ⁇ shaped portion formed with a knitting yarn indicated with a heavy line indicates a stitch, and a V shaped portion indicates a pick-up stitch.
  • a state in which stitches are held on the knitting needles a to f of the BB is shown. From such a state, the knitting of a knitted fabric portion held on the needle bed is terminated, and the knitting yarn used in the knitting is yarned out.
  • the knitting direction immediately before the formation of a yarn out portion is the left direction in the plane of drawing, where such a direction is referred to as advancing direction and the direction opposite to the advancing direction is referred to as reversing direction (right direction in the plane of drawing) in the present example.
  • the yarn feeder used in the knitting of the knitted fabric portion shown in S0 is moved toward the left, and an end stitch 0 (stitch of knitting needle f of BB) that becomes a termination of the knitted fabric portion is formed, and thereafter, a first holding point 1 consisting of a pick-up stitch is formed on the knitting needle d of the FB.
  • the stitch 4 (proximate stitch) held on the knitting needle e of the BB is transferred to the knitting needle e of the opposing FB.
  • the position of the end stitch 0 may be the position of the knitting needle e of the BB, in which case, the end stitch 0 serves as the proximate stitch.
  • the first holding point 1 consisting of a tuck stitch may be formed on the stitch held on the knitting needle d of the BB instead of forming the pick-up stitch on the knitting needle d of the FB in S1.
  • the yarn feeder is moved toward the right so that the knitting yarn extending from the first holding point 1 is turned back in the knitting width direction, and a second holding point 2 consisting of a pick-up stitch is formed on the knitting needle e of the BB.
  • the first holding point 1 formed in S1 of Fig. 1 is overlapped on the stitch 3 (proximate stitch) held on the knitting needle d of the BB, and the stitch 4 temporarily held on the knitting needle e of the FB in S2 of Fig. 1 is returned to the knitting needle e of the BB so as to overlap the second holding point 2 formed in S3. If tuck is performed with the knitting needle d of the BB in S1, the transfer of the first holding point 1 in S3 is not necessary.
  • the yarn feeder is moved toward the left (advancing direction) in the plane of drawing, and knitting yarn 9 that becomes a redundant end of the yarn out portion is pulled out from the knitted fabric portion.
  • the tuck may be performed on the stitch (knitting needle b of BB) of the knitted fabric portion to enhance the effect of preventing unraveling, as shown in S5. This tuck may be performed on other stitches in the advancing direction.
  • the formation of a new knitted fabric portion following a stitch group held on the knitting needles of the BB starts from the state of S5.
  • the first holding point 1 is embedded in the knitted fabric portion as a stitch (holding stitch ⁇ ) directly connected to the termination stitch
  • the second holding point 2 is embedded in the knitted fabric portion as a stitch (holding stitch ⁇ ) directly connected to the redundant end 9.
  • the yarn in shown in the second example to be described later, for example, may be carried out when starting the formation of the new knitted fabric portion.
  • the holding stitch a and the holding stitch ⁇ are arranged divided to the front and the back of the knitted fabric, so that the point where the knitting yarns of a pair of holding stitches and a pair of adjoining stitches cross increases and unraveling becomes less likely to occur. Furthermore, the knitting yarn of the redundant end 9 extending from the holding stitch ⁇ (second holding point 2) is wrapped around to a sinker loop of the stitch 4 and the adjoining stitch on the right side, so that the knitting yarn of the redundant end 9 narrows the root of the stitch 4 when the knitting yarn of the redundant end 9 is pulled in the left direction in the plane of drawing, and the knitting yarn of the yarn in portion is less likely to unravel.
  • S1 and S2, and S3 and S4 can be respectively carried out by moving a carriage once in one direction by using the flat knitting machine mounted with a plurality of cam systems, so that the knitting steps become very simple.
  • Fig. 3 is a knitting step diagram according to the second example, and is viewed in the same way as Fig. 1 and Fig. 2 .
  • the direction for introducing the knitting yarn is the left direction in the plane of drawing, which direction is referred to as the advancing direction and the direction opposite to the advancing direction is referred to as the reversing direction.
  • a yarn feeder for feeding a knitting yarn different from the knitting yarn, with which the stitches held on the knitting needles a to f of the BB are knitted is moved toward the left in the plane of drawing (advancing direction) and stopped at a position past the knitting needle d.
  • the stitch 3 (one proximate stitch) held on the knitting needle d of the BB is transferred to the knitting needle d of the opposing FB.
  • the yarn feeder is moved toward the right in the plane of drawing (reversing direction) so that the knitting yarn extending from the redundant end 9 is turned back in the knitting width direction, and the first holding point 1 consisting of a pick-up stitch is formed on the knitting needle d of the BB and then the second holding point 2 consisting of a pick-up stitch is formed on the knitting needle e of the FB.
  • the stitch 3 temporarily held on the knitting needle d of the FB in S2 is overlapped on the first holding point 1 held on the knitting needle d of the opposing BB, and the second holding point 2 formed on the knitting needle e of the FB in S3 is overlapped on the stitch 4 (other proximate stitch) held on the knitting needle e of the opposing BB.
  • the second holding point 2 in S3 may be a tuck stitch formed on the knitting needle e of the BB, in which case, the transfer of the second holding point 2 in S4 is not necessary.
  • the yarn feeder is then moved from the state of S4 toward the left in the plane of drawing (advancing direction) to form a starting stitch not shown in the figure and start the knitting of the new knitted fabric portion.
  • the second holding point 2 is embedded in the knitted fabric portion as a stitch (holding stitch ⁇ ) directly connected to the starting stitch
  • the first holding point 1 is embedded in the knitted fabric portion as a stitch (holding stitch ⁇ ) directly connected to the redundant end 9.
  • the holding stitch a and the holding stitch ⁇ are arranged divided to the front and the back of the knitted fabric, similar to the first example, so that unraveling becomes less likely to occur. Furthermore, the knitting yarn of the redundant end 9 extending from the holding stitch ⁇ (first holding point 1) is wrapped around to a sinker loop of the stitch 3 and the adjoining stitch on the left side, so that the knitting yarn of the redundant end 9 narrows the root of the stitch 3 when the knitting yarn of the redundant end 9 is pulled in the right direction in the plane of drawing, and the knitting yarn of the yarn in portion is less likely to unravel.
  • S1 and S2, and S3 and S4 can be respectively carried out by moving the carriage including a plurality of cam systems once in one direction.
  • the knitting of the yarn out portion and the yarn in portion in which the knitting yarn of the redundant end is wrapped around to a sinker loop of the proximate stitches has been described by way of example, but such a knitting method is not the sole case.
  • the concept of the unraveling prevention method of the present invention lies in respectively dividing the first holding point and the second holding point to above and below each proximate stitch for overlapping, and the knitting described below may be carried out.
  • the first holding point 1 may be arranged on the lower side of the stitch 3 and the second holding point 2 may be arranged on the upper side of the stitch 4.
  • the stitch 3 is first transferred to the FB, and the first holding point 1 is formed on the knitting needle of the BB which became an empty needle as a result of such transfer.
  • the stitch 3 transferred to the FB is then overlapped on the first holding point 1 of the BB.
  • the second holding point 2 of tuck stitch is formed on the stitch 4 without transferring the stitch 4, or a pick-up stitch is formed on the empty needle of the FB opposing the stitch 4 and then such a pick-up stitch is overlapped on the stitch 4.
  • the first holding point 1 may be arranged on the upper side of the stitch 3 and the second holding point 2 may be arranged on the lower side of the stitch 4, in which case, the first holding point 1 including the tuck stitch is formed on the stitch 3 of the BB without transferring the stitch 3, or a pick-up stitch is formed on the empty needle of the FB opposing the stitch 3 and then such pick-up stitch is overlapped on the stitch 3. Furthermore, the stitch 4 is transferred to an empty needle of the FB in advance, and the second holding point 2 is formed on the knitting needle of the BB which became an empty needle as a result of such transfer. Therefore, the stitch 4 transferred to the FB is overlapped on the second holding point 2 of the BB.
  • the unraveling prevention method of the present invention may, of course, be applied to the knitted fabric knitted with the FB and also to a front and back boundary portion of a tubular knitted fabric knitted using the FB and the BB.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Knitting Machines (AREA)
EP09834307A 2008-12-24 2009-11-30 Vorbeugendes verfahren gegen das aufriefeln von strick- oder wirkware und fäden Withdrawn EP2390393A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008327049 2008-12-24
PCT/JP2009/006480 WO2010073491A1 (ja) 2008-12-24 2009-11-30 編糸の解れ止め方法、および編地

Publications (1)

Publication Number Publication Date
EP2390393A1 true EP2390393A1 (de) 2011-11-30

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EP09834307A Withdrawn EP2390393A1 (de) 2008-12-24 2009-11-30 Vorbeugendes verfahren gegen das aufriefeln von strick- oder wirkware und fäden

Country Status (5)

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EP (1) EP2390393A1 (de)
JP (1) JP5414696B2 (de)
KR (1) KR101356441B1 (de)
CN (1) CN102264962B (de)
WO (1) WO2010073491A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2565308A4 (de) * 2010-04-26 2015-07-29 Shima Seiki Mfg Verbindungsverfahren für benachbarte maschenwarenteile und maschenware

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5669607B2 (ja) * 2010-07-23 2015-02-12 株式会社島精機製作所 編地の編成方法、および編地
JP5881479B2 (ja) 2012-03-06 2016-03-09 株式会社島精機製作所 編糸の解れ止め方法
JP5991858B2 (ja) * 2012-06-11 2016-09-14 株式会社島精機製作所 編地の解れ止め方法
JP5955212B2 (ja) * 2012-12-20 2016-07-20 株式会社島精機製作所 編糸の解れ止め方法
JP5955241B2 (ja) * 2013-02-15 2016-07-20 株式会社島精機製作所 編糸の解れ止め方法
JP6292828B2 (ja) * 2013-06-14 2018-03-14 株式会社島精機製作所 編糸の解れ止め方法、および編地
JP2015161053A (ja) * 2014-02-28 2015-09-07 株式会社島精機製作所 編地の解れ止め方法
JP6153509B2 (ja) * 2014-12-27 2017-06-28 株式会社島精機製作所 編成方法
JP6257565B2 (ja) * 2015-09-09 2018-01-10 株式会社島精機製作所 編糸の固定方法
CN113481647B (zh) * 2021-07-29 2022-08-12 珠海建轩服装有限公司 一种具有单面毛圈的织物编织方法

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Publication number Priority date Publication date Assignee Title
JPH0765258B2 (ja) * 1990-07-17 1995-07-12 株式会社島精機製作所 編地の端部処理方法
JP3839496B2 (ja) 1994-08-02 2006-11-01 株式会社島精機製作所 編地の編糸余端部の処理方法
JP3099304B2 (ja) 1994-09-01 2000-10-16 株式会社島精機製作所 解れ止め方法
JP2001055651A (ja) * 1999-08-11 2001-02-27 Tsudakoma Corp 横編地における渡り糸の括結解れ止め法
TW470795B (en) * 1999-08-31 2002-01-01 Shima Seiki Mfg Knitting method for waste yarn disposal
CN1760420A (zh) * 2004-10-11 2006-04-19 江南大学 一种抗脱散纬编织物结构
EP1972709A4 (de) * 2005-11-17 2012-08-15 Shima Seiki Mfg Verfahren und vorrichtung zum zerschneiden bzw. halten des strickfadens bei einer flachstrickmaschine
JP5511146B2 (ja) * 2007-03-06 2014-06-04 日清紡ホールディングス株式会社 成型編地
JP3142666U (ja) * 2008-04-10 2008-06-19 三岡繊維株式会社 生地

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2565308A4 (de) * 2010-04-26 2015-07-29 Shima Seiki Mfg Verbindungsverfahren für benachbarte maschenwarenteile und maschenware

Also Published As

Publication number Publication date
JPWO2010073491A1 (ja) 2012-06-07
CN102264962A (zh) 2011-11-30
KR20110098715A (ko) 2011-09-01
JP5414696B2 (ja) 2014-02-12
CN102264962B (zh) 2013-09-25
KR101356441B1 (ko) 2014-02-03
WO2010073491A1 (ja) 2010-07-01

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