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EP2333139A1 - Method of knitting tubular knitted fabric, and tubular knitted fabric - Google Patents

Method of knitting tubular knitted fabric, and tubular knitted fabric Download PDF

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Publication number
EP2333139A1
EP2333139A1 EP09804692A EP09804692A EP2333139A1 EP 2333139 A1 EP2333139 A1 EP 2333139A1 EP 09804692 A EP09804692 A EP 09804692A EP 09804692 A EP09804692 A EP 09804692A EP 2333139 A1 EP2333139 A1 EP 2333139A1
Authority
EP
European Patent Office
Prior art keywords
knitting
stitch
knitting yarn
knitted fabric
tubular knitted
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Withdrawn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
EP09804692A
Other languages
German (de)
English (en)
French (fr)
Inventor
Hideki Naka
Yoshinori Shimasaki
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 EP2333139A1 publication Critical patent/EP2333139A1/en
Withdrawn legal-status Critical Current

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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
    • D04B1/22—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 specially adapted for knitting goods of particular configuration

Definitions

  • the present invention relates to a knitting method of a tubular knitted fabric for strengthening a joining portion when joining two tubular knitted fabrics, and a tubular knitted fabric in which the joining portion of the tubular knitted fabrics is strengthened.
  • the knitting for strengthening the joining portion is carried out while joining a body and a sleeve (see for example, Patent Document 1).
  • Patent Document 1 the side end of the body and the side end of the sleeve that oppose each other are joined by tubular knitting.
  • the portion that is knitted by tubular knitting is mainly subjected to a tension when the body and the sleeve are pulled in directions of moving away from each other, and as the stitches of the relevant portion are contracted and the knitting yarn is fed out to the body and the sleeve, the joining portion of the body and the sleeve is maintained.
  • Patent Document 1 Japanese Patent No. 3968017
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a knitting method for strengthening a joining portion of tubular knitted fabrics with a simple knitting operation, and a knitted fabric knitted with the knitting method.
  • a knitting method of a tubular knitted fabric of the present invention is a method for knitting a tubular knitted fabric for strengthening a joining portion when joining two tubular knitted fabrics using a flat knitting machine having at least a pair of front and back needle beds so that stitches can be transferred between the front and back needle beds, and the method includes the following steps.
  • a knit knitting step of forming a new stitch on the pick up stitch by performing knit knitting on the pick up stitch.
  • the series of steps is preferably again performed with the front and the back changed with respect to the needle beds of the knitting needles used in the steps.
  • some of the stitches of a stitch row configuring the tubular knitted fabric already held on the knitting needles of the needle bed are preferably transferred to the empty needles of the needle bed opposing the stitches before hooking the knitting yarn on the knitting needle of the front and back needle beds.
  • the pick up stitch is formed on the knitting needle that has become an empty needle by the transfer.
  • the tubular knitted fabric of the present invention is a tubular knitted fabric comprising a joining portion where tubular knitted fabrics are joined, and knitted using a flat knitting machine having at least a pair of front and back needle beds so that stitches can be transferred between the front and back needle beds.
  • the tubular knitted fabric includes a plurality of cross-over knitting yarn portions crossed between opposing front and back knitted fabric portions at the joining portion. At least one part of the cross-over knitting yarn portion and at least one part of a knitting yarn portion configuring the tubular knitted fabric are intertwined so as to hook with each other, and positions of the two stitches connecting to the cross-over knitting yarn portion are shifted from each other in the wale direction.
  • the tubular knitted fabric of the present invention including a plurality of cross-over knitting yarn portions that cross between the opposing front and back knitted fabric portions at the joining portion of the two tubular knitted fabrics can be knitted.
  • the cross-over knitting yarn portion intertwines with the knitting yarn portion which is one portion of the knitting yarn that configures the tubular knitted fabric when crossing between the front and back knitted fabric portions.
  • the tension acting on the joining portion through the cross-over knitting yarn portion can be dispersed to different portions in the wale direction.
  • the tension does not concentrate at a specific area of the joining portion when pulled, thereby enhancing the strength of the joining portion.
  • the knitting method of the present invention is again performed with the front and the back changed with respect to the needle beds of the knitting needles used in the knitting thereby forming a symmetrically strengthened portion at the front and back knitted fabric portions of the tubular knitted fabric.
  • the symmetrically formed strengthened portion has a satisfactory visual balance, and disperses the tension acting on the joining portion substantially equally over the front and back knitted fabric portions thereby enhancing the strength of the joining portion.
  • the state of the stitches at the joining portion can be made simple and the joining portion does not become thick as shown in a first embodiment, to be described later.
  • first and second embodiments of the present invention will be described using a case of joining a body and a sleeve of a sweater by way of example. Both embodiments will be described using a four-bed flat knitting machine having a pair of front and back needle beds extending in a transverse direction and disposed opposite to each other in a cross direction, the four-bed flat knitting machine capable of transferring stitches between the front and back needle beds.
  • the lower front needle bed arranged in the flat knitting machine is referred to as FD
  • the lower back needle bed as BD the upper front needle bed as FU
  • BU upper back needle bed
  • FIG. 1 and 2 One example of a knitting method for strengthening a joining portion of a tubular knitted fabric using the flat knitting machine will be described in relation to joining the body and the sleeve based on knitting process diagrams of Figs. 1 and 2 .
  • Stitches held on knitting needles a to d specified with small alphabets in Figs. 1 and 2 are some of the stitches of the body, and the stitches held on knitting needles e to h are some of the stitches of the sleeve.
  • the number of knitting needles is less than the number used for the actual knitting for the sake of convenience of the explanation.
  • Fig. 1(A) shows a state immediately after knit knitting is carried out, with the state the stitches held on the knitting needles d and e of the BD and the knitting needles d and e of the FD, which are stitches on the adjoining side ends of the body and the sleeve, are overlapped by the transfer of the entire sleeve, to form one tube.
  • the stitches held on the knitting needles c, e, g of the BD are transferred to the knitting needles c, e, g of the opposing FU from such a state, as shown with a thin line arrow in Fig. 1 (A) .
  • a yarn feeder is then moved in the left direction to form pick up stitches on the knitting needles c, e, g of the BD, which are now empty needles after the transfer shown in Fig. 1(A) , and tuck stitches are formed on the knitting needles b, d, f of the FD, on which the stitches forming the body and the sleeve are held (see Fig. 1(B) ).
  • the pick up stitches of the BD and the tuck stitches of the FD are alternately formed in a rib form, in which case a cross-over knitting yarn portion 1 that connects the tuck stitch and the pick up stitch and crosses the BD and the FD intersects the knitting yarn portion (intersecting knitting yarn portion 2) which is one portion of the tube after the body and the sleeve are joined (see portion indicated with W in Fig. 1(B) ).
  • the cross-over knitting yarn portion 1 becomes an upper knitting yarn on the upper side in the vertical direction
  • the intersecting knitting yarn portion 2 becomes a lower knitting yarn on the lower side of the cross-over knitting yarn portion 1.
  • the yarn feeder is then moved in the right direction to carry out the knit knitting on the pick up stitches held on the knitting needles c, e, g of the BD in Fig. 1(B) to form a stitch 3 (new stitch), and a tuck stitch is formed on the stitch held on the knitting needle h of the BD so that the cross-over knitting yarn portion 1 does not shift (see Fig. 1(C) ).
  • a stitch 4 opposite stitch which is a stitch transferred from the BD to the FU in Fig. 1(A) is held on the FU opposing the BD on which the stitch 3 is held.
  • the intersecting knitting yarn portion 2 (lower knitting yarn) sandwiches the cross-over knitting yarn portion 1 (upper knitting yarn) from above and below by transferring the stitch 4 held at the FU to the knitting needles c, e, g of the BD, and thus the cross-over knitting yarn portion 1 and the intersecting knitting yarn portion 2, which are merely intersected in Fig. 1(B) , now intertwine with each other (see portion indicated with X of Fig. 2(E) ).
  • the cross-over knitting yarn portion 1 is crossed in a zigzag manner between a front knitted fabric portion (portion held on the knitting needles of the FD) and the back knitted fabric portion (portion held on the knitting needles of the BD), and the cross-over knitting yarn portion 1 and the intersecting knitting yarn portion 2 are intertwined so as to hook with each other.
  • a tension acting on the joining portion can be received by the entire joining portion such as in the diagonal direction and not only in the front-back direction.
  • a stitch 10 of the front knitted fabric portion and a stitch 20 of the back knitted fabric portion connecting to the cross-over knitting yarn portion 1 have the respective position in the wale direction in the tubular knitted fabric shifted from each other by one stitch, since one stitch is added in the wale direction in the knit knitting carried out in Fig. 1(C) . Therefore, the tension acting on the joining portion is not exerted on the portion of the same height in the wale direction in the tubular knitted fabric, but is dispersed to the portions of different heights, and hence a large tension does not locally act and an excessively large load does not apply on the knitting yarn.
  • the knitting may be continuously carried out with the front and the back of the needle beds simply symmetrically changed with respect to the knitting needles used in the knitting.
  • the stitches of the knitting needles c, e, g of the FD are transferred to the knitting needles c, e, g of the opposing BU so as to be front and back opposite to the knitting shown in Fig. 1(A) .
  • the symmetrically strengthened portion is formed in the front and back knitted fabric portions by carrying out knitting using the knitting needles that are front and back opposite from the knitting shown in Fig. 1(B), Fig. 1(C) , Fig. 2(D), and Fig. 2(E) .
  • Such knitting is preferably carried out since a satisfactory visual balance at the joining portion of the tubular knitted fabric can be obtained, and the tension acting on the joining portion can be dispersed substantially equally to the front and back knitted fabric portions.
  • the yarn feeder is moved in the left direction to form pick up stitches on the knitting needles b, d, f of the FU, and tuck stitches are formed on the knitting needles c, e, g, of the BU from a state in which one tube is formed as in Fig. 1(A) .
  • Such stitches are alternately formed in a rib form, and consequently, the cross-over knitting yarn portion 1 crossed between the front and back needle beds is formed.
  • the yarn feeder is then moved in the right direction to carry out the knit knitting on the stitches held on the knitting needles c, e, g of the FD which are the stitches of the body and the sleeve (see Fig. 3(B) ).
  • the cross-over knitting yarn portion 1 crossed between the front and back knitted fabric portions intersects the knitting yarn portion (intersecting knitting yarn portion 2) which is one portion of the tube after the body and the sleeve are joined (see portion indicated with Y of Fig. 3(B) ).
  • the cross-over knitting yarn portion 1 becomes the lower knitting yarn
  • the intersecting knitting yarn portion 2 becomes the upper knitting yarn.
  • the yarn feeder is moved in the left direction to carry out the knit knitting on the pick up stitches formed on the knitting needles b, d, f of the FU and form a stitch 3 (new stitch) continuing in the wale direction of the relevant pick up stitches.
  • the stitches 3 formed on the knitting needles b, d, f of the FU in Fig. 3(C) are transferred so as to overlap the stitches 4 (opposing stitch) held on the knitting needles b, d, f of the opposing BD to be in a state of Fig. 4(E) .
  • the cross-over knitting yarn portion 1 is crossed between the front and back knitted fabric portions, and the cross-over knitting yarn portion 1 and the intersecting knitting yarn portion 2 intertwine so as to hook with each other (see portion indicated with Z of Fig. 4(E) ), and thus the joining portion of the body and the sleeve is strengthened similar to the first embodiment.
  • the stitch 10 and the stitch 20 connecting to the cross-over knitting yarn portion 1 have the respective positions in the wale direction in the tubular knitted fabric shifted from each other by one stitch, and hence the tension acting on the joining portion can be dispersed to portions of different heights of the tubular knitted fabric.
  • the visual balance at the joining portion of the body and the sleeve becomes satisfactory, and the tension acting on the joining portion can be dispersed substantially equally to the front and back knitted fabric portions by successively knitting with the front and the back of the needle beds simply symmetrically changed with respect to the knitting needles used in the knitting, after carrying out the knitting shown in Figs. 3 and 4 .
  • the joining portion is strengthened by performing the knitting method of the present invention after joining the body and the sleeve to one tubular shape as shown in Fig. 1(A) and Fig. 3(A) .
  • the knitting method of the present invention can be used with the stitches at the side end of the body and the stitches at the side end of the sleeve simply overlapped or with the side end of the body and the side end of the sleeve simply brought adjoining to each other.
  • the joining portion can be strengthened at the same time as joining the body and the sleeve.
  • the present invention is not limited to the above embodiments, and may be appropriately modified within a scope not deviating from the gist of the invention.
  • the knitting shown in the embodiments may be carried out with a two-bed flat knitting machine.
  • the knitting needle of the other needle bed opposed to the knitting needle on which the stitches are held in one needle bed becomes the empty needle so that transfer and the like can be carried out.
  • the tuck stitch and the pick up stitch formed in the knitting yarn intersecting step may be formed not for every needle but for every plurality of needles.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Knitting Machines (AREA)
EP09804692A 2008-08-08 2009-07-29 Method of knitting tubular knitted fabric, and tubular knitted fabric Withdrawn EP2333139A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008205698 2008-08-08
PCT/JP2009/003597 WO2010016205A1 (ja) 2008-08-08 2009-07-29 筒状編地の編成方法、および筒状編地

Publications (1)

Publication Number Publication Date
EP2333139A1 true EP2333139A1 (en) 2011-06-15

Family

ID=41663434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09804692A Withdrawn EP2333139A1 (en) 2008-08-08 2009-07-29 Method of knitting tubular knitted fabric, and tubular knitted fabric

Country Status (4)

Country Link
EP (1) EP2333139A1 (ja)
JP (1) JPWO2010016205A1 (ja)
CN (1) CN102046866A (ja)
WO (1) WO2010016205A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5436279B2 (ja) * 2010-03-15 2014-03-05 株式会社島精機製作所 編地、およびその編成方法、ならびにデザイン装置
JP2012251262A (ja) * 2011-06-03 2012-12-20 Shima Seiki Mfg Ltd 編地の編成方法、および編地
JP5856783B2 (ja) * 2011-09-07 2016-02-10 株式会社島精機製作所 編地の編出し方法
CN108729002A (zh) * 2018-08-23 2018-11-02 福建荣荣新材料股份有限公司 一体编织成型的立体织物及其编织方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0772384B2 (ja) * 1990-06-05 1995-08-02 株式会社島精機製作所 編地の接合方法及び美しい接合部をもつ編地
JPH0772385B2 (ja) * 1990-06-21 1995-08-02 株式会社島精機製作所 接合された編地の編成方法
JP3164528B2 (ja) * 1997-02-17 2001-05-08 株式会社島精機製作所 横編機による編地の接合編成方法
DE60044618D1 (de) * 2000-06-05 2010-08-12 Shima Seiki Mfg Verfahren zum verbinden von strickwaren
CN1277967C (zh) 2001-02-02 2006-10-04 株式会社岛精机制作所 筒状针织品相互连接的方法及其针织品
JP4374310B2 (ja) * 2004-12-01 2009-12-02 株式会社島精機製作所 編地の編成方法
JP2006176912A (ja) * 2004-12-22 2006-07-06 Shima Seiki Mfg Ltd 袖付きニットウエアの編成方法
CN101155953B (zh) * 2005-04-12 2011-03-02 株式会社岛精机制作所 筒状针织物的编织方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010016205A1 *

Also Published As

Publication number Publication date
CN102046866A (zh) 2011-05-04
JPWO2010016205A1 (ja) 2012-01-12
WO2010016205A1 (ja) 2010-02-11

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