JP6133458B1 - Elastic warp knitted fabric - Google Patents

Abstract

An object of the present invention is to increase the degree of freedom of structural change in a jacquard knitted structure while making the elastic warp knitted fabric thin and light. A jacquard knitted structure and a support structure that is formed of only elastic yarns 20 and in which loops are formed at all stitch positions. [Selection] Figure 4

Description

  The present invention relates to a stretch warp knitted fabric, and particularly to a stretch warp knitted fabric having high stretchability.

  JP-A-2009-256829 (Patent Document 1) is a prior document disclosing the configuration of a stretch warp knitted fabric. The stretchable warp knitted fabric described in Patent Document 1 is a warp knitted fabric that includes a jacquard knitted structure and does not require a support structure. The jacquard organization includes a basic organization having a certain repeating unit and a changed organization changed from the basic organization. Loops are formed at all stitch positions of the jacquard organization.

  Japanese Patent Laid-Open No. 10-96147 (Patent Document 2) is a prior document disclosing other configurations of stretchable knitted fabrics. The stretchable knitted fabric described in Patent Document 2 is knitted using a warp knitting apparatus having a jacquard guide ridge and a plurality of guide ridges for knitting a supporting structure. In the elastic warp knitted fabric, an inelastic yarn is threaded through at least one guide rod of a plurality of guide rods knitting the support structure, and an elastic yarn is threaded through at least one guide rod. Yes.

JP 2009-256829 A Japanese Patent Laid-Open No. 10-96147

  In the elastic warp knitted fabric described in Patent Document 1, loops must be formed at all stitch positions even in a changed structure of a jacquard knitted structure. Therefore, restrictions are imposed on the configuration of the change organization, and the knitting in the jacquard organization cannot be freely changed.

  In the elastic warp knitted fabric described in Patent Document 2, there is no restriction on the configuration of the changed structure of the jacquard knitted structure. In addition, there is a limit to the measures that can be taken to meet the demand for weight reduction.

  The present invention has been made in view of the above problems, and an object thereof is to provide a stretch warp knitted fabric that is thin and lightweight and has a high degree of freedom in changing the structure in a jacquard knitted structure.

  An elastic warp knitted fabric according to the present invention includes a jacquard knitted structure and a support structure that is formed only of elastic yarns and has loops formed at all stitch positions.

  In one embodiment of the present invention, there is a stitch position in which no loop is formed in the jacquard knitted structure.

  In one embodiment of the present invention, the jacquard organization includes a basic organization having a certain repeating unit and a changed organization obtained by changing the basic organization. Only in the changed tissue, there is a stitch position where a loop is not formed.

  ADVANTAGE OF THE INVENTION According to this invention, the freedom degree of the structure change in a jacquard knitting structure | tissue can be made high, making an elastic warp knitted fabric thin and lightweight.

It is a knitting | organization organization chart which shows the basic unit of each basic operation | movement of the 1st jacquard cage | basket, the 2nd jacquard cage | basket, and the cage | casing which knitting | support a support organization concerning one Embodiment of this invention. 1 is a knitting organization diagram showing a basic organization of a jacquard knitting organization included in an elastic warp knitted fabric according to an embodiment of the present invention. It is a knitting | organization organization chart which shows the change organization of the jacquard knitting | organization organization contained in the elastic warp knitted fabric which concerns on one Embodiment of this invention. It is a knitting | organization organization chart which shows the support structure | tissue contained in the elastic warp knitted fabric which concerns on one Embodiment of this invention.

  Hereinafter, an elastic warp knitted fabric according to an embodiment of the present invention will be described with reference to the drawings. In the following description of the embodiments, the same or corresponding parts in the drawings are denoted by the same reference numerals, and the description thereof will not be repeated.

  As a knitting device for a stretch warp knitted fabric, for example, an RSJ5 / 1 raschel machine manufactured by KARL MAYER can be used. The RSJ5 / 1 Raschel machine manufactured by KARL MAYER is equipped with a split-type jacquard cage. Each of the two jacquard pots that are independently controlled is set with a half gauge. Two Jacquard traps constitute one complete mechanical gauge. A piezo element is attached to the jacquard jar. By applying an electric signal to the piezo element, the jacquard guide is controlled to be displaced by one stitch in either of the lateral directions.

  However, the knitting device is not limited to RSJ5 / 1 manufactured by KARL MAYER, but may be any knitting device provided with a jacquard mechanism, and the configurations of the control mechanism and the swing mechanism provided in the knitting device are not particularly limited. . There are no particular restrictions on the knitting conditions such as the yarn feed amount and the processing conditions.

  The stretch warp knitted fabric according to an embodiment of the present invention is knitted using three folds of a first jacquard ridge PJB1, a second jacquard ridge PJB2, and a ridge G2 knitting a support structure. However, the number of wrinkles used for knitting the elastic warp knitted fabric is not limited to three, and may be four or more. For example, an elastic yarn other than the elastic yarn constituting the support tissue may be inserted or knitted using a jar other than the jacquard heel and the heel for knitting the support tissue, or the inelastic yarn may be piled. May be knitted or inserted as Further, the supporting tissue may be knitted with a plurality of ridges combined as a unit, instead of knitting with one ridge.

  FIG. 1 is a knitting organization diagram showing basic units of basic operations of the first jacquard hoe, the second jacquard hoe and the heel that forms the supporting organization according to one embodiment of the present invention. As shown in FIG. 1, an inelastic thread 10 is threaded through each of the first jacquard ridge PJB1 and the second jacquard ridge PJB2. The elastic yarn 20 is threaded through the heel G2 knitting the support tissue.

  In the present embodiment, the non-elastic yarn 10 is made of bright fibers having a round cross section, which is made of nylon 6,6 and has a thickness of 44 dtex / 34f. However, the material of the inelastic yarn 10 is not limited to nylon 6 and 6, but may be other synthetic fibers such as nylon or polyester, regenerated fibers such as rayon or acetate, or natural fibers such as cotton. The inelastic yarn 10 is not limited to a filament yarn, and may be a spun yarn, a twisted yarn, a processed yarn, or the like. The thickness of the inelastic yarn 10 is not particularly limited.

  In the present embodiment, the elastic yarn 20 is made of a soft type fiber whose material is polyurethane and whose thickness is 50 dtex. However, the material of the elastic yarn 20 is not limited to polyurethane, and may be other elastic fibers. The thickness of the elastic yarn 20 is not particularly limited.

  As shown in FIG. 1, the basic operation of the first jacquard 筬 PJB1 and the basic operation of the second jacquard 筬 PJB2 are the same. Each basic operation of the first jacquard 筬 PJB1 and the second jacquard 筬 PJB2 has a repeating unit of 10/12 //. The basic operation of the first jacquard 筬 PJB1 and the basic operation of the second jacquard 筬 PJB2 may be different from each other. The basic operation of the heel G2 for knitting the supporting tissue has a repeating unit of 12/23/21/10 //.

  FIG. 2 is a knitting structure diagram showing a basic structure of a jacquard knitting structure included in the elastic warp knitted fabric according to one embodiment of the present invention. In FIG. 2, the basic structure is illustrated over 6 courses in the warp direction and 6 wales in the weft direction. In the warp direction, the A course and the B course to the F course are sequentially arranged from the knitting start side, and in the weft direction, the first wal and the second wal to the sixth wal are sequentially arranged from the left side in the drawing. In FIG. 2, the basic operation of the first jacquard 筬 PJB1 is indicated by a solid line, and the basic operation of the second jacquard 筬 PJB2 is indicated by a dotted line.

  As shown in FIG. 2, the first jacquard wall PJB1 and the second jacquard wall PJB2 are shifted from each other by 1 gauge. The first jacquard 筬 PJB1 and the second jacquard 筬 PJB2 form a loop in all courses and wales of the basic organization. Thereby, in the basic structure of the jacquard knitted structure included in the elastic warp knitted fabric according to this embodiment, loops are formed at all stitch positions.

  FIG. 3 is a knitting organization diagram showing a changed organization of the jacquard knitting organization included in the stretchable knitted fabric according to one embodiment of the present invention. The part shown in FIG. 3 is a part different from the part shown in FIG. 2 in an elastic warp knitted fabric.

  In FIG. 3, the changed tissue is illustrated over 6 courses in the warp direction and 6 wales in the weft direction. In the warp direction, the A course and the B course to the F course are sequentially arranged from the knitting start side, and in the weft direction, the first wal and the second wal to the sixth wal are sequentially arranged from the left side in the drawing. In FIG. 3, the basic operation of the first jacquard 筬 PJB1 is indicated by a solid line, and the basic operation and displacement of the second jacquard 筬 PJB2 is indicated by a dotted line.

  A pattern is formed on the elastic warp knitted fabric by the displacement of the second jacquard tack PJB2. Note that the displacement is not limited to the second jacquard wall PJB2, and it is sufficient that at least one of the first jacquard wall PJB1 and the second jacquard wall PJB2 is displaced. Further, the position of displacement and the mode of displacement are not particularly limited.

  As shown in FIG. 3, the second jacquard 筬 PJB2 is displaced at a place where a loop is formed at the third wal of the D course in the basic operation, and a loop is formed at the second wal of the D course.

  As a result, in the jacquard organization, no loop is formed in the third wal of the D course. Therefore, in only the jacquard organization, the organization is unwound from the third wal of the D course. In addition, each of the third wales of the E course and the third wales of the F course, which are loops formed after the third wal of the D course, is easy to unravel, and becomes a portion where the strength of the tissue is low. ing.

  In the present embodiment, in the jacquard knitted structure, there is a stitch position where no loop is formed only in the changed structure. Further, the jacquard knitted structure is composed only of the inelastic yarn 10. However, a stitch position where no loop is formed may exist in the basic structure of the jacquard knitted structure. A part of the jacquard knitted structure may be made of elastic yarn.

  FIG. 4 is a knitting structure diagram showing a support structure included in the stretchable warp knitted fabric according to one embodiment of the present invention. In FIG. 4, the supporting tissue is illustrated over 6 courses in the warp direction and 6 wales in the weft direction. In the warp direction, the A course and the B course to the F course are sequentially arranged from the knitting start side, and in the weft direction, the first wal and the second wal to the sixth wal are sequentially arranged from the left side in the drawing.

  As shown in FIG. 4, the heel G2 knitting the support tissue forms a loop in all courses and wales of the support tissue. Thereby, in the support structure | tissue contained in the elastic warp knitted fabric which concerns on this embodiment, the loop is formed in all the stitch positions. The support structure is composed of only the elastic yarn 20.

  Since loops are formed at all stitch positions of the supporting structure, it is possible to supplement the structure at the stitch position where no loop is formed in the jacquard knitted structure. As a result, it is possible to prevent the structure from being unraveled at the stitch position where the loop is not formed in the jacquard knitted structure.

  In the elastic warp knitted fabric according to the present embodiment, since there is no restriction that loops must be formed at all stitch positions in the jacquard knitted structure, the degree of freedom in changing the structure of the jacquard knitted structure is increased. be able to. As a result, various patterns can be expressed.

  In addition, the elastic warp knitted fabric according to the present embodiment has a support structure made of elastic yarns, compared to a conventional elastic warp knitted fabric in which the support structure is made of inelastic yarns and elastic yarns are inserted or knitted. Therefore, it is not necessary to knit the support structure constituted by the inelastic yarn, and high stretchability can be imparted while making the stretch warp knitted fabric thin and light.

  In order to enhance any of the properties of the elastic warp knitted fabric such as tight binding force, water absorption, hygroscopicity, and heat retention, other structures composed of elastic yarns or inelastic yarns may be knitted separately. .

  In addition, the said embodiment disclosed this time is an illustration in all the points, Comprising: It does not become a basis of limited interpretation. Therefore, the technical scope of the present invention is not interpreted only by the above-described embodiments, but is defined based on the description of the scope of claims. Further, all modifications within the meaning and scope equivalent to the scope of the claims are included.

  10 inelastic yarns, 20 elastic yarns, G2 ridges for knitting the support structure, PJB1 first jacquard ridges, PJB2 second jacquard ridges.

Claims (3)

Jacquard organization,
A stretch warp knitted fabric comprising a support structure that is formed of only elastic yarns and has loops formed at all stitch positions.   The stretch warp knitted fabric according to claim 1, wherein a stitch position where no loop is formed exists in the jacquard knitted structure. The jacquard organization includes a basic organization having a certain repeating unit and a changed organization obtained by changing the basic organization,
The stretch warp knitted fabric according to claim 2, wherein a stitch position where no loop is formed exists only in the changed structure.