EP2581478B1 - Procédé de tricotage d'une étoffe tricotée - Google Patents

Procédé de tricotage d'une étoffe tricotée Download PDF

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Publication number
EP2581478B1
EP2581478B1 EP12006854.9A EP12006854A EP2581478B1 EP 2581478 B1 EP2581478 B1 EP 2581478B1 EP 12006854 A EP12006854 A EP 12006854A EP 2581478 B1 EP2581478 B1 EP 2581478B1
Authority
EP
European Patent Office
Prior art keywords
knitting
stitch
widening
knitted fabric
needle
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.)
Not-in-force
Application number
EP12006854.9A
Other languages
German (de)
English (en)
Other versions
EP2581478A1 (fr
Inventor
Kazuyoshi Okamoto
Hisao Yamada
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 EP2581478A1 publication Critical patent/EP2581478A1/fr
Application granted granted Critical
Publication of EP2581478B1 publication Critical patent/EP2581478B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • D04B1/102—Patterned fabrics or articles with stitch pattern
    • D04B1/108—Gussets, e.g. pouches or heel or toe portions
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/10—Flat-bed knitting machines with independently-movable needles with provision for narrowing or widening to produce fully-fashioned goods
    • 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

Definitions

  • the present invention relates to a knitting method of a knitted fabric for forming a widening stitch by split knitting using a flat knitting machine equipped with latch needles, as known from EP0490694 , which discloses the preamble of claim 1.
  • a knitting method of a knitted fabric for forming a widening stitch by split knitting using a flat knitting machine in which a plurality of latch needles are lined in parallel on at least a front and a back needle bed is conventionally known (see e.g., patent document 1).
  • a new knitting yarn is fed to form a new stitch, which is pulled out from the target stitch, on the latch needle of the one needle bed (latch needle on which the transferred target stitch is originally held).
  • the target stitch is inserted within a knitting width of the knitted fabric as a widening stitch.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 4-73245
  • the knitting yarn of the new stitch may wind around the root of the target stitch, which becomes the widening stitch, and disfigure the knitted fabric.
  • the latch needle includes a transfer clip at one side surface, and is structured to transfer stitches between opposing needle beds through the clip (see e.g., Figs. 1 to 3 in Japanese Unexamined Patent Publication No. 2009-161873 , etc.).
  • the hooks of the latch needles of the opposing needle beds are slightly shifted against each other in a longitudinal direction of the needle beds. This shift causes the knitting yarn of the new stitch to wind around the root of the target stitch.
  • Fig. 3A is a loop diagram of the vicinity of a widening stitch 3 of when the widening stitch 3 (originally target stitch 1) is inserted toward the left side within the knitting width of the knitted fabric
  • Fig. 3B is a loop diagram of the vicinity of the widening stitch 3 of when the widening stitch 3 is inserted toward the right side within the knitting width of the knitted fabric.
  • the knitting yarn of a new stitch 2 winds around the root of the widening stitch 3.
  • the arrangement state of the stitches and the knitting yarn is not symmetrical.
  • the knitting width of the knitted fabric is symmetrically increased with a center line of the knitted fabric in between, the appearance near the right and left widening stitches 3 may differ.
  • the present invention is a knitting method of a knitted fabric using a flat knitting machine, which includes at least a front and a back needle bed and a yarn feeder for supplying a knitting yarn to a plurality of latch needles lined in parallel on the needle beds and in which stitches are transferable between the front and back needle beds, for forming a widening stitch by split knitting and inserting the widening stitch within a knitting width of the knitted fabric, the split knitting including forming a new stitch following a target stitch, which is a stitch held on one needle bed, while transferring the target stitch to the latch needle of the other needle bed.
  • the knitting method of the knitted fabric of the present invention performs the following steps ⁇ to ⁇ assuming a direction toward a side, on which a transfer clip arranged at a side surface of the latch needles lined in parallel on the one needle bed is present, in a longitudinal direction of the one needle bed is a first direction, and an opposite direction is a second direction.
  • Step ⁇ Move the yarn feeder in the first direction and perform the split knitting on the target stitch.
  • Step ⁇ ] Move the yarn feeder in the second direction to a position beyond a position of the widening stitch, which is the target stitch transferred to the other needle bed by the split knitting of the step ⁇ .
  • Step ⁇ Move the yarn feeder in the first direction to a position beyond the position of the widening stitch transferred in the step ⁇ .
  • Step ⁇ Form a new stitch on the first direction side of the widening stitch at the same time as or after the step 5.
  • the one widening stitch and the other widening stitch are preferably inserted within the knitting width of the knitted fabric so that an inserting direction of the one widening stitch and an inserting direction of the other widening stitch are opposite directions to each other.
  • the knitting yarn winding around the widening stitch can be raveled by carrying out the step ⁇ to the step ⁇ before knitting the next stitch after performing split knitting to form the widening stitch similar to the prior art in the step ⁇ .
  • the knitting yarn of the new stitch 2 does not wind around the root of the widening stitch 3, as shown in Figs. 2A and 2B of the embodiment, to be described later.
  • the moving direction of the yarn feeder of when carrying out split kitting is very important.
  • the yarn feeder is moved in the second direction (i.e., direction toward a side on which the transfer clip is not present) to carry out split knitting in the step ⁇ , the winding of the knitting yarn of the new stitch 2 around the widening stitch 3 cannot be resolved even if the step ⁇ to the step ⁇ are carried out.
  • the state of the widening stitches and the stitches in the vicinity thereof can be symmetric (see Figs. 2A and 2B ).
  • the symmetrical widening stitches cannot be formed by split knitting using the latch needles, as shown in Figs. 3A and 3B .
  • the gaugeless knitting of changing from the half gauge knitting to the full gauge knitting can be carried out in the middle of the knitting of the knitted fabric by continuously repeating the step ⁇ to the step ⁇ in the knitting method of the knitted fabric of the present invention (see second embodiment).
  • the knitting described in the embodiments explains a knitting example that uses a two-bed flat knitting machine equipped with a front needle bed (hereinafter referred to as FB) and a back needle bed (hereinafter referred to as BB) extending in a transverse direction and disposed opposite to each other in a cross direction.
  • the knitting needles arranged in the flat knitting machine are latch needles having a transfer clip at a side surface of the knitting needles.
  • the flat knitting machine to use may be a four-bed flat knitting machine.
  • the knitted fabric to knit may be a tubular knitted fabric or a single layer knitted fabric, which knitted fabrics can be knitted in either of a full gauge state or a half gauge state.
  • a knitting step diagram shown in Fig. 1 (in the present embodiment, half gauge knitting is carried out from the start to the end of the knitting).
  • "S + number" on the left column indicates the number of the knitting step
  • an arrow in a left and right direction in the right column indicates the moving direction of a yarn feeder 8
  • an arrow in the left and right direction with "K" indicates carrying out knitting with the movement of the yarn feeder 8.
  • a black dot in the middle column showing the actual knitting state indicates the hook of the latch needle arranged on each needle bed
  • a to L indicate the positions of the latch needles of the FB
  • a to 1 indicate the positions of the latch needles of the BB
  • the arrow indicates the direction of transfer.
  • the area where the knitting operation is actually carried out in each knitting step is indicated with a thick line
  • the stitch held on the latch needle is indicated with a thin line.
  • S1 shows a state in which the yarn feeder 8 is moved in a left direction in a plane of drawing, and stitches are formed on the latch needles K, I, G, E, C of the FB.
  • the yarn feeder 8 is moved from such state in the right direction in the plane of drawing to form a widening stitch.
  • the latch needles lined on the FB of the present embodiment include a transfer clip at the side surface on the right side in the plane of drawing.
  • the direction (right direction in the plane of drawing) toward the right side where the transfer clip is present is thus referred to as "first direction RS", and the opposite direction is referred to as "second direction LS".
  • a new stitch following the stitches held on the latch needles C, E of the FB is formed and split knitting is performed on the stitch (target stitch 1) held on the latch needle G of the FB while moving the yarn feeder 8 in the first direction RS.
  • the split knitting includes transferring the target stitch 1 held on the latch needle G of the FB in S1 to the latch needle g of the BB, and forming a new stitch 2 pulled out from the target stitch 1 on the latch needle G of the FB.
  • the target stitch 1 transferred from the latch needle G of the FB in S1 to the latch needle g of the BB is hereinafter referred to as a widening stitch 3.
  • the yarn feeder 8 is moved in the second direction LS to a position beyond the position of the widening stitch 3 transferred to the latch needle g of the BB in S2 (correspond to step ⁇ of the present invention).
  • the widening stitch 3 formed in S2 is transferred to the latch needle H of the FB (correspond to step ⁇ of the present invention).
  • the needle to which the widening stitch 3 is transferred is not particularly limited as long as it is the latch needle of the FB.
  • the yarn feeder 8 is moved in the first direction RS to a position beyond the position of the widening stitch 3 transferred to the latch needle H of the FB in S5 (correspond to step ⁇ of the present invention).
  • a new stitch following the stitches held on the latch needles I, K of the FB is formed (correspond to step ⁇ of the present invention).
  • a state in which the winding of the knitting yarn around the widening stitch 3 is resolved is fixed by forming a new stitch 4 on the latch needle I of the FB.
  • the knitting corresponding to the step ⁇ may be carried out separate from the movement of the yarn feeder 8 corresponding to the step ⁇ .
  • the widening stitch 3 is transferred from the latch needle H of the FB to the latch needle g of the BB in S7, and the stitches held on the latch needles c, e, g of the BB (stitch of the latch needle g is the widening stitch 3) are transferred to the latch needles A, C, E of the FB in S8.
  • FIG. 2A A loop diagram of the vicinity of the widening stitch 3 formed based on the knitting steps described above is shown in Fig. 2A .
  • Fig. 2A a state in which a knitting course 10 following in a wale direction of a stitch row held on the FB in S8 of Fig. 1 is formed is shown.
  • the knitting yarn of the new stitch 2 does not wind around the root of the widening stitch 3 if the widening stitch 3 is formed by split knitting according to the knitting step of the present embodiment, and thus the vicinity of the widening stitch 3 has a satisfactory appearance (see prior art diagram of Fig. 3A for comparison).
  • the widening stitch 3 is inserted toward the left side within the knitting width, but the widening stitch 3 may be inserted toward the right side of the knitting width, in which case the state shown in the loop diagram of Fig. 2B is obtained. Comparing Figs. 2A and 2B , it can be seen that the arrangement state of the widening stitch 3 and the knitting yarn of the vicinity thereof is in a symmetric relationship. Therefore, the vicinity of the widening stitches 3, 3 is symmetric when the widening stitch 3 shown in Fig. 2A and the widening stitch 3 shown in Fig. 2B are formed at distant positions in the longitudinal direction of the FB, and hence satisfactory appearance is realized.
  • a gaugeless knitting of changing from the half gauge knitting to the full gauge knitting in the middle of the knitting of the knitted fabric by carrying out the knitting method of the knitted fabric of the present invention will be described.
  • an empty needle is provided to be in the half gauge state in which the latch needle is used every other times before the widening stitch 3 is formed (see S1 of Fig. 1 ), and such half gauge state is maintained even after the widening stitch 3 is formed (see S8 of Fig. 1 ).
  • the widening stitch 3 may be moved to the empty needle of the FB to be in the full gauge state after the widening stitch 3 is formed. For instance, after forming the widening stitch 3 in S2 of Fig.
  • the step ⁇ to step ⁇ in the knitting method of the knitted fabric of the present invention may be continuously carried out. For instance, carry out split knitting on the stitch of the latch needle C in S1 of Fig. 1 (step ⁇ ) ⁇ move the yarn feeder 8 in S4 (step ⁇ ) ⁇ transfer the widening stitch 3 in S5 (step ⁇ ) carry out split knitting on the stitch of the latch needle E (step ⁇ : also serves as the first steps ⁇ , ⁇ ), ... are repeated. Accordingly, the gaugeless knitting of changing from the half gauge knitting to the full gauge knitting in the middle of the knitting of the knitted fabric can be carried out continuously in the course direction. Furthermore, the boundary portion of the half gauge knitted portion and the full gauge knitted portion in the finished knitted fabric can be beautifully finished.
  • the yarn feeder of the flat knitting machine may be a type that is taken with the carriage, or may be self-propelled type.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Knitting Machines (AREA)

Claims (3)

  1. Procédé de tricotage d'un tissu tricoté en utilisant une machine à tricoter à plat, qui comprend au moins une fonture avant et une fonture arrière et un distributeur de fil (8) pour fournir du fil à tricoter à une pluralité d'aiguilles à verrou alignées en parallèle sur les fontures, et dans laquelle des mailles peuvent être transférées entre les fontures avant et arrière, pour former une maille d'élargissement par un tricotage à séparation et en insérant la maille d'élargissement dans une largeur de tricotage du tissu tricoté, le tricotage à séparation comprenant la formation d'une nouvelle maille (2) à la suite d'une maille cible (1), qui est une maille maintenue sur une première fonture (FB), pendant le transfert de la maille cible (1) vers l'aiguille à verrou de l'autre fonture (BB) ; le procédé de tricotage étant caractérisé en ce que
    en supposant qu'une direction orientée vers un côté, sur lequel se trouve une pince de transfert agencée au niveau d'une surface latérale des aiguilles à verrou alignées en parallèle sur la fonture (FB), dans une direction longitudinale de la première fonture (FB), est une première direction (RS), et qu'une direction opposée est une deuxième direction (LS), le procédé comprend :
    une étape α consistant à déplacer le distributeur de fil (8) dans la première direction (RS) et à effectuer le tricotage à séparation sur la maille cible (1) ;
    une étape β consistant à déplacer le distributeur de fil (8) dans la deuxième direction (LS) vers une position au-delà d'une position de la maille d'élargissement (3), qui est la maille cible (1) transférée vers l'autre fonture (BB) par le tricotage à séparation de l'étape α ;
    une étape γ consistant à transférer la maille d'élargissement (3) vers une aiguille vide dans la première fonture (FB) ;
    une étape δ consistant à déplacer le distributeur de fil (8) dans la première direction (RS) vers une position au-delà de la position de la maille d'élargissement (3) transférée dans l'étape γ ; et
    une étape ε consistant à former une nouvelle maille (4) sur le côté de la première direction (RS) de la maille d'élargissement (3) en même temps que ou après l'étape δ.
  2. Procédé de tricotage du tissu tricoté selon la revendication 1, caractérisé en ce que lors de la formation de deux mailles d'élargissement (3, 3) qui forment une paire à des positions distantes dans la direction longitudinale de la première fonture (FB), la première maille d'élargissement (3) et l'autre maille d'élargissement (3) sont insérées dans la largeur de tricotage du tissu tricoté de telle sorte qu'une direction d'insertion de la première maille d'élargissement (3) et une direction d'insertion de l'autre maille d'élargissement (3) ont des directions opposées entre elles.
  3. Procédé de tricotage d'un tissu tricoté selon la revendication 1, caractérisé en ce que les étapes α à ε sont répétées de façon continue.
EP12006854.9A 2011-10-03 2012-10-02 Procédé de tricotage d'une étoffe tricotée Not-in-force EP2581478B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011219501A JP5922903B2 (ja) 2011-10-03 2011-10-03 編地の編成方法

Publications (2)

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EP2581478A1 EP2581478A1 (fr) 2013-04-17
EP2581478B1 true EP2581478B1 (fr) 2015-11-25

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EP (1) EP2581478B1 (fr)
JP (1) JP5922903B2 (fr)
KR (1) KR101347667B1 (fr)
CN (1) CN103031660B (fr)

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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
CN104005167B (zh) * 2014-05-23 2016-02-24 孟振晓 斜纹针织品、编织方法及其应用
CN104831458B (zh) * 2015-04-24 2016-11-30 广东溢达纺织有限公司 纬编罗纹织物及其编织方法和应用
CN105747351B (zh) * 2016-01-27 2018-03-20 厦门翔鹭化纤股份有限公司 一种一体成型3d飞织鞋面及其制备方法
CN107287745A (zh) * 2017-08-22 2017-10-24 江苏金龙科技股份有限公司 一种电脑横机双面衬纬上的挑孔方法
CN111886132B (zh) 2018-03-29 2022-12-06 日本制铁株式会社 被覆金属板及具有该被覆金属板的接合件
CN110725048B (zh) * 2019-10-25 2021-04-23 惠州学院 一种仿加捻线横向置于针织物表面的方法
JP2023016596A (ja) * 2021-07-21 2023-02-02 株式会社島精機製作所 横編機によるパイル編地の編成方法
CN113699660B (zh) * 2021-08-10 2023-04-07 信泰(福建)科技有限公司 无锯齿感一体收针、加针编织的编织工艺、织物及鞋面

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JPH0473245A (ja) * 1990-07-13 1992-03-09 Shima Seiki Mfg Ltd 編出し方法及びその編地
JP2538421B2 (ja) 1990-12-13 1996-09-25 株式会社島精機製作所 ニツト製品に於ける衿首用編地の編成方法
JPH0830300B2 (ja) * 1991-04-10 1996-03-27 株式会社島精機製作所 貼付け型ポケットを有する編地及びその編成方法
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JP3164507B2 (ja) * 1996-05-20 2001-05-08 株式会社島精機製作所 １×１リブ編地の伏せ目処理方法
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JP4503428B2 (ja) 2004-12-14 2010-07-14 株式会社島精機製作所 編地の編成方法およびその編成方法で編成された編地
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CN102264963B (zh) * 2008-12-26 2013-09-25 株式会社岛精机制作所 内放针方法及针织物
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Publication number Publication date
CN103031660A (zh) 2013-04-10
KR20130130603A (ko) 2013-12-02
EP2581478A1 (fr) 2013-04-17
CN103031660B (zh) 2014-10-08
JP5922903B2 (ja) 2016-05-24
JP2013079460A (ja) 2013-05-02
KR101347667B1 (ko) 2014-01-03

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