JP3359616B2 - Warp knitted fabric that has power knitted fabric parts at both ends and can be stretched vertically and horizontally - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a warp knitted fabric having a power knitted fabric portion at both ends and capable of expanding and contracting vertically and horizontally, and more particularly, to a reference fabric and a power knitted fabric portion at both ends on one warp knitted fabric. And a warp knitted fabric that can be stretched in the vertical and horizontal directions.

[0002]

2. Description of the Related Art The textile industry, especially the industry relating to fabrics and garment products made with the fabrics, is a traditional industry and, in the old days, the production and sales were separated for each process, so that today's technology is In many cases, manufacturing processes that are presumed to be integrable from a technical point of view are still separated along customary extensions of the prior art.

For example, a cloth piece exemplified as a cloth piece 50 in FIG. 1 is obtained by superposing a band-shaped power knitted fabric 52 separately manufactured on one end (right side in FIG. 1) of a warp knitted fabric 51 having a plain appearance. It is prepared by joining by sewing or the like. In the conventional warp knitting industry, a warp knitting machine for knitting a plain warp knitted fabric is different from a machine (mainly a Russell lace machine) for manufacturing a power knitted fabric, and in many cases, a manufacturing plant ( Manufacturing companies). In recent years, with the technological progress of warp knitting machines,
Even if it is possible to knit a plain warp knitted fabric and a power knitted fabric with the same warp knitting machine as long as it is intended, it is customary to use two types of warp knitted fabric pieces joined by sewing or the like. I have been.

[0004] As illustrated in FIG.
The conventional customary method of joining and using more than one piece of knitted fabric by sewing or the like requires additional work such as sewing, so that the cost of the secondary product increases and a step is formed at the joint. This has the disadvantage that the appearance is inferior to that of a continuous knitted fabric. Further, warp knitted fabrics having elasticity both vertically and horizontally are required. A warp knitted fabric which has elasticity in both length and width and has partial power is required.

[0005]

SUMMARY OF THE INVENTION The present invention solves the problems of a conventional secondary product knitted fabric in which different knitted fabric portions are joined by sewing or the like, and the reference fabric and the power knitted fabric portion are integrated. It is an object of the present invention to provide a warp knitted fabric which is knitted, has no steps on the appearance, has elasticity both vertically and horizontally, and can reduce the cost.

[0006]

Means for Solving the Problems The present inventors have made intensive studies to solve the above-mentioned problems, and as a result, have accomplished the present invention. That is, in the present invention, the knitting rows by the warp knitting provided with the elastic yarns as the insertion yarns are arranged on all the wales, and the knitting rows on each wale are associated with the knitting rows on the adjacent wales. The warp knitted fabric of the reference structure is knitted by inserting a bobbin yarn having an elastic yarn with a predetermined knitting structure, and formed at the positions of both ends of the warp knitted fabric of the reference structure with the same structure as the reference structure. A power knitted fabric portion is disposed, and the power knitted fabric portion has a wale interval smaller than that of a reference structure, and the insertion yarn of the power knitted fabric portion is a yarn having a higher elasticity than the insertion yarn of the reference structure portion. The power yarns of the power knitted fabric portion are arranged with a higher tension than the yarns of the reference texture portion, and have a power knitted fabric portion at both ends and can be stretched vertically and horizontally. About knitted fabric.

[0007] In the warp knitted fabric of the present invention, the knitting structure of the waving yarn of the reference structure swings the waving yarn supplied to the specific wale to one of the right and left adjacent wales in the next course, and then further in the next course. Swing two wales in the opposite direction,
A knitting structure including a waving unit knitting structure that returns to the specific wale in a subsequent course, and in which the waving yarn is swung right and left over at least two courses between the unit knitting structures with the specific wool. Is preferred.

[0008] The knitting structure of the waving yarn may be substantially the same over the entire wale of the warp knitted fabric, and two waving yarns on adjacent wales knitted with the above-described knitting structure. May be knitted by shifting the phase by two courses in the wale direction to form one complete structure, and the one complete structure may be repeatedly arranged in the wale direction. In the present invention, at least two warp knitted fabrics each having a power knitted fabric portion at both ends are arranged adjacent to each other in the course direction, and the two adjacent warp knitted fabrics are preferably connected by a hollow knitting structure. .

When the warp knitted fabric of the present invention is used as a warp knitted fabric piece forming a part of the secondary product as described above, the length in the course direction is about 30 to 50 cm, On the other hand, since the knitting width of the current knitting machine is about 150 cm, setting only one knitted fabric of the present invention on the warp knitting machine is disadvantageous in terms of manufacturing cost. This is because, if the ground is knitted side by side in the course direction, it is advantageous in terms of production cost and dyeing and arrangement of the obtained warp knitted fabric. that time,
As described above, it is preferable to connect a plurality of warp knitted fabrics of the present invention with a hollow knitting structure, because unwinding the knitting yarns facilitates separation of adjacent warp knitted fabrics.

In order to knit a warp knitted fabric having a power knitted fabric portion at both ends according to the present invention, a plurality of reeds, preferably four reeds or six reeds, and more preferably four reeds dedicated to high-speed plain-colored Russells A warp knitting machine is used. In the warp knitted fabric of the present invention, various yarns used in conventional warp knitted fabrics, that is, various synthetic fibers, filament yarns of regenerated fibers, spun yarns containing natural fibers, artificial fibers and synthetic fibers, and spandex (polyurethane) yarns An elastic thread such as described above can be arbitrarily used depending on the intended product.

An elastic yarn is used as the insertion yarn. In the warp knitted fabric of the present invention, it is preferable that the elasticity of the insertion yarn used for the power knitted fabric portion is stronger than the elasticity of the insertion yarn used for the reference tissue portion. It is preferable to use an elastic yarn thicker than the insertion yarn used for the reference tissue portion, or to use a plurality of insertion yarns used for the reference tissue portion.

Further, as the bobbin yarn, a composite yarn of an elastic yarn and a non-elastic yarn is used, and preferably, a covering yarn having an elastic yarn as a core is used.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the accompanying drawings. FIG. 2 shows an example of a warp knitted fabric having a power knitted fabric portion at both ends of the present invention. In the warp knitted fabric 60 shown in FIG.
The reference texture portion 70 is arranged such that the warp knitted rows arranged with elastic yarns as insertion yarns in all the wales and the knitted rows on each wale are associated with the knitted rows on the adjacent wales. The warp-knitted fabric of the reference structure composed of the inserted yarns, and the warp-knitted fabric portion 70
The power knitted fabric portion 80 is formed continuously at both ends of the power knitted fabric.

Since the power knitted fabric portion 80 is formed so as to be continuous with the reference structure and the wale interval is made smaller than that of the reference structure portion 70, the power knitted fabric portion is different from the conventional example shown in FIG. Since it is formed continuously on the warp-knitted fabric portion of the reference structure, no step is formed on the warp-knitted fabric, and another step such as sewing as in the conventional example is not required, so that the cost can be reduced.

FIG. 3 is a structural diagram showing the threading of the warp knitted fabric portion of the preferred reference structure in the warp knitted fabric having the power knitted fabric portions at both ends of the present invention, with 10 wales and 12 courses. . As shown in FIG. 3, the warp yarns 1 to 10 to be knitted are supplied from the left side of the knitting needles in the first course, and knit the knitted knitting with each wale. Each of the knitting rows has an insertion yarn 1 made of an elastic yarn as shown in the figure.
1 to 20 are inserted (in FIG. 3, inserted yarns are shown only in the first, second, ninth, and tenth wale hollow knitting rows to simplify the drawing). Each of these
In order to mutually link a plurality of warp knitting rows provided with elastic yarns as insertion yarns, waving yarns 21 to 28 are inserted as shown in FIG. The knitting of the waving yarn will be described below with the specific wale being the second wale and the waving yarn 21 supplied to the second wale.

The waving thread 21 is supplied from the left side of the knitting needle of the second wale (specific wale) in the first course, is swung to the right side of the knitting needle of the first wale in the second course, and is then moved to the third course. At the left side of the knitting needle of the third wale. Next, the yarn 21 returns to the knitting needle of the second wale in the fourth course. In the present invention,
The knitting structure that returns from the first course to the fourth course is referred to as a waving unit knitting structure. Next, the waving thread 21 is swung to the right side of the second wale, and is swung to the same wale in the fifth course, that is, to the left side of the knitting needles of the second wale, and in the subsequent courses, the same knitting as described above is repeated. That is, the bobbin thread 21 forms one complete structure in four courses from the first course to the fourth course, and is swung by the right and left adjacent wale of the specific wale (in this case, the second wale), and while the specific wale In this case, it is swung to the left and right of the knitting needle on the same wale as necessary.

Therefore, the above-mentioned one complete structure is repeated in the waving yarn 21 as shown in the figure, and the waving yarns 22 to 28 of the other wale also behave in the same manner as the waving yarn 21 in the same course. This means that as long as the knitting structure shown in FIG. 3 is knitted, knitting can be performed with a reed for warp yarns 1 to 10 and a reed for waving yarns 21 to 28 to be knitted. In addition,
The organization shown in FIG. 3 can be knitted with three reeds. However, since one more reed is actually used for preventing disturbance, a total of four reeds are used. There are a myriad of methods for randomization, and in the present invention, any one of them may be adopted, and performing randomization is a common practice in this technical field. For this reason, in order to avoid complicating the drawing, the damping yarn is not shown in FIG.

FIG. 4 shows a power knitted fabric portion 8 at both ends of the present invention.
FIG. 3 shows the threading of a warp-knitted fabric portion 70 of another preferred reference structure in a warp-knitted fabric having 0. In the warp knitted fabric of the reference structure shown in FIG. 4, two types of yarns having different knitting structures are used. That is, the waving yarns 41, 42, 43, 44, 45, each of which has an elastic yarn as an insertion yarn,
Reference numeral 46 denotes a swing similar to the swing yarns 21 to 28 in FIG. On the other hand, the waving yarns 31, 32, 33, 34, 3 each having an elastic yarn as an insertion yarn.
Nos. 5 and 36 are given the same swinging motion only by shifting the phase by two courses in the wale direction with respect to the yarns 41 to 46.

The reed width of the warp knitting machine is determined according to the required width of the target warp knitted fabric. However, many warp knitting machines that are generally widely used have a warp knitted fabric width of about 150 cm at the time of knitting. On the other hand, the width of the warp knitted fabric having the power knitted fabric portions at both ends of the present invention, that is, the length along the course direction is 30 to 5 mm.
Many are about 0 cm. Therefore, setting only one warp knitted fabric having such a narrow width on the warp knitting machine extremely lowers the use efficiency of the warp knitting machine. In such a case, as illustrated in FIG. 5, a plurality of warp knitted fabrics 63a and 63b are arranged in the course direction and knitted while being connected by the hollow knitting 90 to knit a composite warp knitted fabric 64. It is extremely efficient to obtain the individual warp knitted fabrics 63a and 63b by unwinding the knitting knit 90 after performing the necessary dyeing arrangement, processing, and the like described above, and this is useful for cost reduction.

This method will be described with reference to FIG. 6 in the case of using a plain reed Raschel knitting machine with six reeds.
FIG. 6 illustrates an example of a preferred method of linking the warp knitted fabrics 63a and 63b with the row knitting row 90 connecting two adjacent warp knitted fabrics 63a and 63b. In order to clarify the explanation, in FIG. 6, elastic yarns (elastic yarns 11 to 20 shown in FIG. 3) used as insertion yarns in the knitting rows in the respective warp knitted fabrics 63a and 63b, and a plurality of The bobbins for linking the rows (the bobbins 21 to 28 shown in FIG. 3) are omitted. Also, the knitting rows 1a to 5a and 1b to 5b are also shown only in the upper part and the lower part, and the central part is omitted.

In FIG. 6, an insertion thread 91 made of an elastic thread is attached to the linking knitting row 90 shown by a thick solid line from the left and right.
a, 91 b cooperate with the knitting row 90. At this time, as shown in the figure, each of the insertion yarns 91a and 91b is continuously inserted into an adjacent warp knitted fabric for several courses, and cooperates with an insertion form one by one in the connecting knitting row 90 at intervals. In this case, the cooperation position is the insertion thread 91a in the wale direction,
It is arranged alternately at 91b. Also, the insertion thread 9 on the left side of FIG.
1b (indicated by a dashed line) is inserted into the wales 3b 3 wales to the left of the waist line 90 for connection,
The insertion thread 91a (shown by a broken line) on the right side in FIG. 6 is inserted by a wale 1a adjacent to the linking knitting row 90 for connection. In FIG. 6, the insertion yarns 91a and 91b are linked to the connecting knitting row 90 from the left and right every three courses from the first course to the 23rd course, but from the 24th course to the 31st course.
We do not cooperate until the course.

In any case, by appropriately arranging the insertion yarns 91a and 91b knitted by using separate reeds, when a plurality of continuous warp knitted fabrics are unwound by separating the connecting knitting row 90, warp knitting is performed. The separated ends of the knitted fabric are inserted into insertion yarns 91a and 91b.
It is preferable because the elastic restoring force collectively smoothes (cleans). The organization shown in FIG. 6 can be knitted with four reeds. However, since one more reed is actually used for preventing disturbance, a total of five reeds are used. As described with reference to FIG. 3, there are a number of random stoppage methods as many as possible, and in the present invention, any of these methods may be adopted. However, to avoid complication of the drawing, the anti-jamming thread is not shown in FIG. 6 because it is conventional in the art.

In the case of a plain Russell knitting machine with 6 reeds,
In FIG. 4, the knitting yarn for connection is used in place of the warp yarn 6, knitting is performed except for the waving yarn 34, and after finishing, the knitting yarn for connection is unwound to remove the knitting yarn. it can. In the case of a four-reed plain plain Russell knitting machine, in FIG. 3, a connecting knitting yarn is used in place of the warp yarn 5, the waving yarn 24 is removed in advance, and after finishing, the connecting knitting yarn is finished. Can be separated left and right, respectively.

Hereinafter, an example of a warp knitted fabric having power knitted fabric portions at both ends according to the present invention will be described. (Example) 44 dtex (40d) nylon 6 as a warp knitted in the warp knitted fabric having the reference structure shown in FIG.
A multi-filament yarn is inserted into this knitting row as a 310 dtex (280 d) polyurethane yarn as an insertion yarn.
A covering yarn covered with a 55 dtex (50d) nylon 6 multifilament yarn using a 22 dtex (20d) polyurethane yarn as a core was used as the bobbin yarn.

Knitting was performed with a knitting width of 40 cm using a 24-gauge warp knitting machine. At this time, the gap between the wale portions of the power knitted fabric portion was reduced to two thirds of the wale interval of the reference structure. In addition, the bobbin thread was positively fed by increasing the tension. The obtained warp knitted fabric was a warp knitted fabric in which the power knitted fabric portion was integrally knitted with the reference structure, and had excellent stretchability in both the vertical direction X and the horizontal direction Y.

[0026]

According to the present invention, the warp knitted fabric having the power knitted fabric portions at both ends is constituted as described above. Therefore, when the warp knitted fabric is manufactured, two knitted fabrics such as the conventional warp knitted fabric and the power knitted fabric are used. Means for joining the ground by means of sewing or the like can be omitted, and since the joined portion is formed continuously as a part of the warp knitted fabric, the appearance and touch can be made beautiful and smooth.

In a panty or the like, bringing the power knitted fabric portion to the hip position has a hip-up effect, and using the power knitted fabric portion in the waist portion has the advantage that a separate tape or belt is not required.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a method of joining a power knitted fabric to a warp knitted fabric having a plain appearance by sewing or the like, which is shown as a conventional technique.

FIG. 2 is a plan view of a warp knitted fabric having power knitted fabric portions at both ends according to the present invention.

FIG. 3 is an organization diagram showing an example of a preferable threading of a warp knitted fabric portion of a reference structure in the warp knitted fabric of the present invention.

FIG. 4 is an organization diagram showing another example of a preferable yarn use of the warp knitted fabric portion of the reference structure in the warp knitted fabric of the present invention.

FIG. 5 is a plan view showing an example of a composite warp knitted fabric formed by integrally knitting two warp knitted fabrics of the present invention by connecting them with a knitting yarn.

FIG. 6 is an organizational diagram showing a preferred method of linking a connecting knitting row and two adjacent warp knitted fabrics.

[Explanation of symbols]

 1-10: warp yarn to be knitted 11-20: yarn inserted into a knitted yarn 21-28, 31-36, 41-46 ... waving yarn 60: warp knitted fabric 64: composite warp knitted fabric 70: reference texture Warp knitted fabric part 80: Power knitted fabric part

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Claims (6)

(57) [Claims] 1. A knitting row of warp yarns having elastic yarns as insertion yarns is arranged on all wales, and a knitting row on each wale is linked to a knitting row on an adjacent wale. A warp knitted fabric of a reference structure is knitted by inserting a bobbin having an elastic yarn in a predetermined knitting structure, and a power formed with the same structure as the reference structure at both ends of the warp knitted fabric of the reference structure. A knitted fabric portion is disposed, and the power knitted fabric portion has a wale interval smaller than that of a reference structure, and the insertion yarn of the power knitted fabric portion is formed of a yarn having higher elasticity than the insertion yarn of the reference structure portion. And a warp knit having a power knitted portion at both ends and capable of extending and contracting vertically and horizontally, wherein the waving yarn of the power knitted fabric portion is arranged with a higher tension than the waving yarn of the reference structure portion. Earth. 2. The warp knitted fabric according to claim 1, wherein the insertion yarn used for the power knitted fabric portion is thicker than the insertion yarn used for the reference texture portion. 3. The warp knitted fabric according to claim 1, wherein the insertion yarn used for the power knitted fabric portion has a plurality of insertion yarns used for the reference texture portion. 4. The warp knitted fabric according to claim 1, wherein the waving yarn is a composite yarn of an elastic yarn and a non-elastic yarn. 5. The warp knitted fabric according to claim 4, wherein the waving yarn is a covering yarn having an elastic yarn as a core. 6. The warp knitted fabric according to claim 1, which is knitted by a 4- or 6-reed Russell warp knitting machine dedicated to high-speed plain fabric. Knitted fabric.