JP2657200B2 - Mesh elastic warp knitted fabric - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the improvement of a mesh-like elastic warp knitted fabric formed by cross-knitting an inelastic yarn and an elastic yarn, and more particularly to a foundation for girdle and body suit and a leotard for swimsuit and so on. The present invention relates to improvement of an elastic warp knitted fabric used as a material for secondary sports products.

[0002]

2. Description of the Related Art Conventionally, elastic warp knitted fabrics used as materials for foundations such as girdle and body suits and secondary sports products such as leotards and swimwear include power nets,
It is mainly an elastic warp knitted fabric composed of an inelastic yarn and an elastic yarn knitted with a Russell knitted fabric such as a satin net and a triconet. In recent years, as disclosed in Japanese Utility Model Publication No. 59-2148, 2. Description of the Related Art An elastic warp knitted fabric, which is formed by cross-knitting two kinds of elastic yarns and inelastic yarns, and which is rich in the vertical and horizontal directions, is known.

[0003]

The girdle,
Foundations such as body suits and leotards,
For sportswear such as swimwear, the use of elastic warp knitted fabrics that excel in balance in the vertical and horizontal directions and excellent stretching power is required to improve the comfortable wearing feeling and diversify product designs. Elastic warp knitted fabrics such as conventional power nets, satin nets, and triconets cannot meet this demand.
In the case of the elastic warp knitted fabric disclosed in Japanese Utility Model Publication No. 59-2148, the mixing ratio of the elastic yarn is high, so that the stitches are easy to run, and it has a rubber-like feel and provides a refreshing feeling. Poor air permeability due to poor knitted fabric structure and small space ratio causes problems such as stickiness to the skin due to sweating when worn.

SUMMARY OF THE INVENTION The present invention has been developed to solve the above-mentioned problems, and has a good balance between elongation in the vertical and horizontal directions, and a mesh elasticity which is excellent in refreshing feeling and air permeability. Stretched by warp knitted fabric and one knitted fabric,
An object of the present invention is to provide a mesh-modulated elastic warp knitted fabric having a portion having different properties such as elongation force and suitable for manufacturing products such as a seamless girdle and a body suit.

[0005]

Means for Solving the Problems As a means for solving the above-mentioned problems and achieving the object, the present invention provides a mesh knitting method in which an inelastic yarn is knitted by being threaded through two sets in a half set. A mesh-like elastic warp knitted fabric in which the first elastic yarn is inserted as a partial weft in the course direction and the second elastic yarn is inserted on the same wale into the ground structure, and the knit has a void ratio of 5.0%. ～6.9%, ventilation amount of 90cm ³ / cm ² · sec
~123.2cm ³ / cm ² · sec, the elongation ratio of the vertical and horizontal direction
A mesh elastic warp knitted fabric characterized by being in the range of 0.8 to 1.2 has been developed.

Further, according to the present invention, in the mesh elastic warp knitted fabric configured as described above, the first elastic yarn and the second elastic yarn are used.
Elastic yarn is a polyurethane elastic yarn, and the fineness of the yarn is the first elastic yarn <a second mesh-tone elastic warp knitted fabric is an elastic yarn <br /> and development.

The inelastic yarn used in the present invention may be any of a filament yarn such as a synthetic fiber, a semi-synthetic fiber and a regenerated fiber, a spun yarn, a twisted yarn and the like, but in order to achieve the object of the present invention. Is preferably a multifilament yarn of nylon or polyester, and a warp knitted fabric made of inelastic yarn has a general 6 to 24 course length in which inelastic yarn is threaded through two sets in a half set. Any mesh knit may be used, and mesh knitting used for a 6-course power net is particularly preferable.

The first elastic yarn is a bare yarn of an elastic fiber such as a polyether or polyester polyurethane elastic yarn, and the second elastic yarn is an elastic fiber such as a polyether or polyester polyurethane elastic yarn. Or a composite elastic yarn obtained by coating the bare yarn with a filament yarn such as a synthetic fiber, a semi-synthetic fiber, a regenerated fiber, or a spun yarn, and the coated yarn is preferably a cotton yarn.

The first elastic yarn is inserted with a swing width of 1 to 3 stitches every 1 to 11 courses by a threaded thread through a full set, but preferably 1 to 3 stitches every 3 to 6 courses. It is better to insert with a swing width between them. On the other hand, it is preferable that the second elastic yarn is knitted structure inserted in a zigzag pattern every course on the same wale by a threaded full set.

Next, the fineness of the inelastic yarn used in the present invention is preferably 30 to 70 denier in the case of a filament yarn, and the fineness of the first elastic yarn is 20 to 70 denier.
The fineness of the second elastic yarn is preferably from 70 to 560 denier, and the fineness may be appropriately selected according to the elongation and elongation required for products such as girdle and body suit.

[0011] When fabrics with different elongation and elongation force are obtained by a single knitted fabric to obtain a fabric, as shown in FIG.
The elastic yarn is preferably used, and the first elastic yarn preferably has the same fineness in both the A portion and the B portion, and the fineness of the second elastic yarn used in the A portion and the B portion is determined by the elongation and elongation force required for the product. May be appropriately selected according to the conditions.

Further, the object of the present invention is to prevent run of the knitted fabric, eliminate rubber-like, cool feeling and elongation in the warp and weft directions. It is provided by inserting a yarn and a second elastic yarn, and can be achieved by appropriately selecting the type of the ground structure and knitting conditions according to the fineness of the inelastic yarn to be used.

Also, in order to increase the void ratio of the stitches and to provide air permeability and a refreshing feeling when worn by adopting a mesh structure of the mesh knitting, the void ratio of the stitches is 5% to 6.9% and the air permeability is It is preferably in the range of 90 cm ³ / cm ² · sec to 123.2 cm ³ / cm ² · sec. Even if the value falls below or exceeds this range, the desired favorable breathability and refreshing feeling when worn can be obtained. Testing has shown that there is none.

[0014]

The mesh elastic elastic warp knitted fabric according to the present invention is configured as described above, so that the mesh knitted fabric can exhibit a refreshing feeling and air permeability due to the ground structure, and the first elastic yarn can be used in the horizontal direction. The second elastic yarn has an effect of exhibiting the elongation and the elongation force in the vertical direction by the second elastic yarn, and the mesh knitting structure of the ground structure, the fineness of the inelastic yarn and the elastic yarn, and the knitting conditions are appropriately selected. Thereby, there is an effect that the run is less likely to occur, the elongation in the vertical and horizontal directions is well-balanced, and good air permeability and a refreshing feeling can be exhibited.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Some embodiments of a mesh elastic warp knitted fabric according to the present invention will be described below with reference to the accompanying drawings.

Example 1 FIG. 1 is a basic knitting structure diagram of Example 1, in which inelastic yarns 1 and 2 are threaded through a 1-in-1-out half set, and symmetrical wrapping is applied to each of the 3-wale yarns. A knitted fabric of one repeat is knitted in six courses, the first elastic yarn 3 traverses between three wales every three courses and every six courses, is inserted as a partial weft, and the first elastic yarn 3 is formed.
An example is shown in which the second elastic yarn 4 having a larger thickness is inserted in a zigzag shape on the same wale to knit the knitted fabric A. The first elastic yarn 3 and the second elastic yarn 4 are knitted by threading through a full set.

[0017] The mesh elastic warp knitted fabric A of Example 1 above
Is a Russell knitting machine “RSE4-3” manufactured by KARL MAYER.
K "(28 gauge, 130 inch width), knitted with the yarn use and knitting structure shown in Table 1, and finished under the dyeing conditions shown in Table 2. Example 2 describes the use of yarn, knitting structure and knitting conditions (runner) of this elastic warp knitted fabric A.
The results are shown in Table 1 together with the cases of Comparative Examples 1 and 2, and the finish amount and various properties are shown in Table 3 together with the cases of Example 2 and Comparative Examples 1 and 2.

Example 2 FIG. 2 is a basic knitting structure diagram of Example 2, which is different from Example 1 in that the denier of the second elastic yarn 4 is smaller than that of the second elastic yarn 4 of Example 1. The only difference is that the knitted fabric B was knitted using 4 'and changing the yarn length of L4 shown in Table 1, and the knitting structure and other yarn lengths were exactly the same. That is, knitting was performed using the same knitting machine as in Example 1 with the yarn use and knitting structure shown in Table 1, and finished under the dyeing processing conditions shown in Table 2.
Table 3 shows the amount of finish and various properties of the elastic warp knitted fabric B.

Comparative Example 1 Knitting was carried out using the same knitting machine as in Examples 1 and 2 with the yarn use and knitting structure shown in Table 1, and finished under the dyeing conditions shown in Table 2, and An elastic warp knitted fabric for comparison disclosed in JP-A-2148 was obtained. Table 3 shows the finishability and various characteristics of this elastic warp knitted fabric.

Comparative Example 2 Knitting was carried out using the same knitting machine as in Examples 1 and 2 using the yarn use and knitting structure shown in Table 1, and finished under the dyeing conditions shown in Table 2 to obtain an elasticity for comparison. A warp knitted fabric was obtained. Table 3 shows the finishability and various characteristics of this elastic warp knitted fabric.

[0021]

[Table 1]

[0022]

[Table 2]

[0023]

[Table 3]

The elongation, elongation, air permeability, stitch void ratio, refreshing sensation and run of each elastic warp knitted fabric shown in Table 3 were measured and evaluated according to the following methods. (1) Elongation: Using a constant elongation type tensile tester, width 2.
A test piece adjusted to 5 cm and a length of 16 cm is placed between chucks 1
It was attached to a testing machine at 0 cm and the elongation at a load of 2.25 kg was measured. (2) Elongation force: The force at the time of 80% elongation was measured using the same tester and test piece as in the measurement of elongation. (3) Aeration: Measured by the JISL-1018 Frazier method. (4) Space ratio of stitch: Using a computer image analyzer, the ratio of the yarn portion and the gap portion in a fixed area is expressed as a ratio. Space ratio = total space area / total area × 100 (%) (5) Refreshing feeling : Sensitivity test was conducted by 10 subjects, and the degree of cool feeling was judged in four stages. ◎ = very refreshing ○ = a little refreshing △ = no refreshing × = no refreshing due to rubber-like (6) Run: The knitted fabric is loosened from the end of the elastic warp knitted fabric and pulled by hand, The likelihood of running was determined in three stages. ◎ = No run ○ = Slight run recognized △ = Very easy to run

As apparent from Table 3, the elastic warp knitted fabrics of Examples 1 and 2 were superior to the elastic warp knitted fabrics of Comparative Examples 1 and 2 in the following points. There is no feeling of rubber like and there is a refreshing feeling. Vertical and horizontal stretch is balanced. Do not run.

The elastic warp knitted fabrics of Comparative Examples 1 and 2 all have a poor cooling sensation, and those of Comparative Example 1 are close to the range of the present invention in the ratio of elongation in the direction of warp and weft, the porosity and the air permeability. However, it was inferior in that it was rubber-like, had a poor refreshing feeling, and was liable to generate orchids. On the other hand, Comparative Example 2 was inferior in that the space ratio and the air permeability were within the range of the present invention, but the elongation in the vertical direction was large and the balance between the elongation in the vertical and horizontal directions was poor.

The yarns used in Examples 1 and 2 and Comparative Examples 1 and 2 are shown below. * NFY50-17-1205 Nylon thread (50 denier, 17 filament, semi-dal circular cross section) manufactured by Toray Industries, Inc. * "OP" T-127, 40D polyurethane elastic thread manufactured by Toray DuPont (trade name "Operon", type 127C) * "OP" T-127C, 210D Polyurethane elastic yarn manufactured by Toray DuPont (trade name "Operon", type 127C, 210 denier) * "OP" T-127C, 420D Toray DuPont Polyurethane elastic yarn (trade name "Operon", type 127C, 420 denier) In Examples 1 and 2 and Comparative Examples 1 and 2, the warp stretch of the elastic yarn was 1 in the case of a 40 denier elastic yarn.
It is 75% for the elastic yarns of 00%, 210 denier and 420 denier.

Third Embodiment FIG. 3 schematically shows a third embodiment. In this embodiment, the elastic warp knitted fabrics A and B shown in the first and second embodiments are alternately arranged in the width direction of the knitted fabric. Knit and mix, 12 total width
A knitted fabric A of two sides and a knitted fabric B of one side are continuously knitted with a knitting width of 3.4 inches. According to this embodiment, the elongation and elongation of the knitted fabric A and the part B based on the difference between the second elastic yarns 4 and 4 ', for example, a girdle, a body suit, etc., due to the difference in elongation and elongation force. It is particularly suitable as a knitted fabric for the manufacture of foundations, where the forces are required to be partially different.

Example 4 FIG. 4 is a basic knitting structure diagram schematically showing Example 4, in which inelastic yarns 1 and 2 are threaded through a 1-in-1-out half set to form stitches, and eight courses are formed. The first elastic yarn 3 is inserted as a partial weft across three wales every three courses and every eight courses, and the second elastic yarn 3 is knitted.
An example is shown in which the elastic yarns 4 are inserted and knitted in a zigzag shape on the same wale. The first elastic yarn 3 and the second elastic yarn 3
The elastic yarn 4 is knitted by threading the full set.

Example 5 FIG. 5 is a basic knitting structure diagram schematically showing Example 5, in which inelastic yarns 1 and 2 are threaded through a 1-in-1-out half-set to form a stitch and form 10 courses. The knitting of one repeat mesh knitted fabric, the first elastic yarn 3 is inserted as a partial weft across three wales every 5 courses and 10 courses,
An example is shown in which the second elastic yarns 4 are inserted and knitted in a zigzag shape on the same wale. The first elastic yarn 3 and the second elastic yarn 4 are knitted by threading through a full set.

Example 6 FIG. 6 is a basic knitting structure diagram schematically showing Example 6, in which inelastic yarns 1 and 2 are threaded through a half set of 1 in 1 out to form a stitch and form 12 courses. The first elastic yarn 3 is inserted as a partial weft across three wales every 5 and 12 courses, and the second elastic yarn 4 is inserted in a zigzag manner on the same wale. An example is shown. The first elastic yarn 3
The second elastic yarn 4 is knitted by being threaded through a full set.

Example 7 FIG. 7 is a basic knitting structure diagram schematically showing Example 7, in which non-elastic yarns 1 and 2 are threaded through a half set of 1 in 1 out to form a stitch and form 14 courses. The first elastic yarn 3 is inserted as a partial weft across the three wales every 7 courses and 14 courses, and the second elastic yarn 4 is inserted in a zigzag manner on the same wale. An example is shown. The first elastic yarn 3
The second elastic yarn 4 is knitted by being threaded through a full set.

Example 8 FIG. 8 is a basic knitting structure diagram schematically showing Example 8, in which inelastic yarns 1 and 2 are threaded through a half set of 1 in 1 out to form a stitch and form 22 courses. The first elastic yarn 3 is inserted as a partial weft across three wales every 11 or 22 courses, and the second elastic yarn 4 is inserted in a zigzag manner on the same wale. An example is shown. The first elastic yarn 3
The second elastic yarn 4 is knitted by being threaded through a full set.

The inelastic yarn 1 used in each of the above embodiments
And 2 may be any of a filament yarn such as a synthetic fiber, a semi-synthetic fiber, and a regenerated fiber, a spun yarn, and a twisted yarn, but in order to achieve the object of the present invention, a multifilament of nylon or polyester is used. Preferably, the first elastic yarn 3 is a bare yarn of an elastic fiber such as a polyether-based or polyester-based polyurethane elastic yarn,
Further, the second elastic yarn 4 is a bare yarn of an elastic fiber such as a polyether-based or polyester-based polyurethane elastic yarn or a composite obtained by coating the bare yarn with a filament yarn such as a synthetic fiber, a semi-synthetic fiber, a regenerated fiber, or a spun yarn. Elastic yarn is preferred, and cotton yarn is preferred as the coating yarn.

Although the main embodiments of the present invention have been described in detail above, the present invention is not limited to these embodiments, but can achieve the object of the invention and do not depart from the gist of the invention. Naturally, various design changes are possible.

[0036]

As described in detail above, the mesh-adjusted elastic warp knitted fabric according to the present invention has a mesh knitted ground structure in which an inelastic yarn is knitted by threading two sets into a half set. A mesh elastic warp knitted fabric in which a first elastic yarn is inserted as a partial weft in a course direction and a second elastic yarn is inserted on the same wale and knitted;
0% ～6.9%, air permeability ^{90cm 3 / cm 2 · sec~123.2cm 3} / cm 2
・ Second, its unique braided configuration, as the elongation ratio in the vertical and horizontal directions is in the range of 0.8 to 1.2
According to the numerical value range , it has a balanced elongation in the vertical and horizontal directions, has excellent stretching power, breathability and cool feeling, and has characteristics that are difficult to run, such as girdle, body suit It has the characteristics that it is most suitable as a knitted fabric for foundations and sportswear such as leotards and swimwear.

[Brief description of the drawings]

FIG. 1 is a first embodiment of a mesh elastic warp knitted fabric according to the present invention.
FIG.

FIG. 2 is a basic knitting structure diagram of Example 2.

FIG. 3 is a partial plan view schematically showing a third embodiment;

FIG. 4 is a basic organization chart of Example 4.

FIG. 5 is a basic organization chart of Example 5.

FIG. 6 is a basic organization chart of Example 6.

FIG. 7 is a basic organization chart of Example 7.

FIG. 8 is a basic organization chart of Example 8.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inelastic thread 2 Inelastic thread 3 1st elastic thread 4 2nd elastic thread 4 '2nd elastic thread

Claims (2)

(57) [Claims] 1. A mesh knitted ground structure in which an inelastic yarn is threaded through two sets in a half set and knitted,
An elastic warp knitted fabric in which an elastic yarn is inserted as a partial weft in a course direction and a second elastic yarn is inserted and knitted on the same wale, and a stitch void ratio of 5.0% to 6.9%,
Air permeability ^{90cm 3 / cm 2 · sec~123.2cm 3} / cm 2 · sec,
A mesh elastic warp knitted fabric characterized in that the elongation ratio in the vertical and horizontal directions is in the range of 0.8 to 1.2. 2. The first elastic yarn and the second elastic yarn are polyurethane elastic yarns, and the fineness of the yarn is less than the first elastic yarn <second elastic yarn.
The mesh elastic warp knitted fabric according to claim 1, which is an elastic yarn.