KR101551849B1 - Knitting Fabric - Google Patents

Abstract

The purpose of the present invention is to provide a knit fabric having a pattern set in a direction crossed with a forming direction of a pile unit and a surface unit. According to an embodiment of the present invention, a knit fabric comprises: a floor unit knitted with a warp and a pile yarn; a pile unit protrudingly knitted by being connected to the floor unit with the pile yarn; and a surface unit stretched to one direction by being connected to the pile unit with the pile yarn and the surface yarn, wherein the pile unit and the surface unit have the pattern set in the direction crossed with the forming direction.

Description

{Knitting Fabric}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a knit fabric, and more particularly, to a knit fabric that forms a pile portion that is knitted with a double Raschel knitting machine and protrudes from the bottom portion and continues in the knitting direction.

Generally, a double Raschel knitting machine is a loom that knits a knit fabric into a knit fabric. For example, the double Raschel knitting machine includes six guide bars for supplying yarns by a swing operation and a lapping operation, a pair of trick plates arranged in the longitudinal direction of the guide bar and fixed in parallel in the longitudinal direction, A sinker for horizontally advancing and retracting toward each trick plate with the knitting needles sandwiched therebetween to close the latch provided on the knitting needle, and a latch opening wire for opening the latch provided on the knitting needle Respectively.

Therefore, two guide bars, which are located at the front and the rear of the guide bar, respectively, interact with the elevating operation of the knitting needles to knit the base part of the surface part and the bottom part of the joining piece, Organize a facial tissue connecting the back side.

Korean Published Patent Application No. 2003-0086036 (published on November 11, 2003)

Republic of Korea public patent 2011-0035702 (public on April 04, 2011)

A known knitted fabric has a three-dimensional three-dimensional structure formed by a surface portion, a bottom portion, and a pile portion connecting the surface portion and the bottom portion to the pile. The knitted fabric may be used in a three-dimensional structure having both sides, but may be used after forming the pile portions on the surface portion and the bottom portion by cutting the pile portion through the slitting process as a post-processing process after knitting.

Such a slab manufacturing process involves a slitting process of the pile portion, which increases the manufacturing cost of the slab and requires additional equipment.

An object of the present invention is to provide a knitted fabric which simplifies the manufacturing process of the knitted fabric and reduces the manufacturing cost. Another object of the present invention is to provide a knitted fabric which forms a surface portion on a pile portion extending in the knitting direction by connecting the end of the pile portion formed by the pile yarn to the surface yarn.

Another object of the present invention is to provide a knitted fabric having a pattern formed in a direction crossing a pile portion and a surface portion in a knitting direction. Another object of the present invention is to provide a knitted fabric having various wave shapes on the surface portion.

The knitted fabric according to an embodiment of the present invention includes a first guide bar, a second guide bar, and a third guide bar sequentially disposed in a single direction, and a lower portion of the knitting fabric corresponding to the lower side of the first guide bar and the third guide bar A bottom portion knitted with a double Lassell knitting machine including a first knitting needle and a second knitting needle to be arranged and knitted into a warp yarn fed from the first knitting needle to the first guide bar and a pile yarn fed to the second guide bar, A pile portion which is connected to the bottom portion by the pile yarn fed from the second knitting needle to the second guide bar and is projected and knitted, and a pile portion which is fed from the second knitting needle to the second guide bar and the third guide bar And the surface portion extending in the knitting direction by connecting the pile portion to the surface yarn supplied to the pile portion, wherein the pile portion and the surface portion cross each other in the knitting direction Direction.

The pile portion may be separated from other neighboring pile portions along the direction crossing the knitting direction within the group of the patterns. The surface portion may be separated from other neighboring surface portions along a direction crossing the knitting direction within the group of the patterns.

The pile portion and the surface portion may form a wave along the knitting direction in the group of the patterns.

A knitted fabric according to an embodiment of the present invention includes a bottom portion knitted with warp and pile yarn, a pile portion connected to the bottom portion by the pile yarn and projected and knitted, The pile portion and the surface portion may have a pattern set in a direction crossing the knitting direction.

The pile portion may be separated from other neighboring pile portions along the direction crossing the knitting direction within the group of the patterns. The surface portion may be separated from other neighboring surface portions along a direction crossing the knitting direction within the group of the patterns.

The pile portion and the surface portion may form a wave along the knitting direction in the group of the patterns.

As described above, according to the embodiment of the present invention, the pile portion is connected to the bottom portion by the pile yarn and is projected and knitted, and the pile yarn is connected to the end of the pile portion by the surface yarn, The manufacturing cost of the knitted fabric is reduced.

Since the pile portion and the surface portion are continuous in the knitting direction and have a pattern set in a direction intersecting the knitting direction, knitted fabrics of various structures are knitted.

Further, since the pile portion and the surface portion extend in the knitting direction in the group of the patterns and are separated from each other along the direction crossing the knitting direction, the surface portion of the knitted fabric can be variously deformed by treating at least one of the heat treatment and the kneading treatment, There is an effect that can be.

1 is a side view of a double Raschel knitting machine for knitting a knitting fabric according to an embodiment of the present invention.
FIG. 2 is a side view showing a process of knitting a knit fabric of the embodiment with the double raschel knitting fabric of FIG. 1. FIG.
FIG. 3 is a plan view showing a process of knitting a knit fabric of the embodiment with the double Lassell knitting machine of FIG. 1. FIG.
FIG. 4 is a state view showing knitting a knitted fabric according to an embodiment of the present invention. FIG.
FIG. 5 shows a pattern of a pile portion and a surface portion set in a direction crossing a knitting direction in a piece of paper according to an embodiment of the present invention.
6 is a photograph of the surface of the knitted fabric according to an embodiment of the present invention.
7 is a photograph of the left side of Fig.
8 is a bottom view photograph of Fig.
9 is a photograph of the bottom of the knitted fabric according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

1 is a side view of a double Raschel knitting machine for knitting a knitting fabric according to an embodiment of the present invention. Referring to FIG. 1, the double-Raschel knitting machine of one embodiment includes a plurality of guide bars for knitting a three-dimensional knitted fabric by supplying yarns (e.g., warp yarns, filament yarns, and surface yarns).

For convenience, the double Raschel knitting machine comprises first guide bars 11, 12 arranged in front of the rear (for the sake of convenience, the left side of FIG. 1) 2, and a third guide bar 3. The number of the guide bars may be further increased according to the number of the yarns, and the first guide bars 11 and 12 may be composed of two.

The double Raschel knitting machine has trick plates 7 and 9 arranged in the longitudinal direction on both lower sides of the first guide bars 11 and 12 and the second and third guide bars 2 and 3 and trick plates 7 and 9 The first and second knitting needles 101 and 102 and the sinker 15 and 17 and the latching opening wires 19 and 21 which are raised and lowered at one side of the latching wire 19 and 21.

The sinkers 15 and 17 move forward and backward in the horizontal direction (the left-right direction in FIG. 1) toward the trick plates 7 and 9 with the first and second knitting needles 101 and 102 therebetween, When the second knitting needles 101 and 102 descend, the latches provided on the first and second knitting needles 101 and 102 are closed.

The latching opening wires 19 and 21 move forward and backward in the horizontal direction to shift the first and second knitting needles 101 and 102 when the first and second knitting needles 101 and 102 are lifted, As shown in Fig.

The first guide bars 11 and 12 and the second and third guide bars 2 and 3 are mounted on the shaft 25 via a frame 23 in a substantially arc state. The shaft 25 can be rotated around the shaft 25 as a rotation center integrally with the frame 23 and can be moved in the forward and backward directions on the frame 23. [

The first and second guide bars 11 and 12 and the second and third guide bars 2 and 3 are rotated by the first and second inclination 41 and 42 and the pile yarn 27 in accordance with the rotation of the shaft 25, And sweep the surface yarn 28 to the selected first and second knitting needles 101 and 102 in the forward and backward directions (left and right in FIG. 1).

The first and second guide bars 11 and 12 and the second and third guide bars 2 and 3 move along the longitudinal direction of the shaft 25 independently of the swinging motion, A lapping operation for moving the first and second knitting needles 101 and 102 while moving the first and second knitting needles 41 and 42, the filament yarn 27 and the surface yarn 28 in the left and right direction (See Figs. 2 and 3).

The first guide bars 11 and 12 and the second and third guide bars 2 and 3 are provided with first guide blocks 11a and 12a extending in the longitudinal direction of the guide bar, And third guide blocks 2a and 3a, respectively.

First guides 11b and 12b for supplying first and second warp yarns 41 and 42 (knitting the bottom portion 32 in Figs. 4 to 9) are provided at the ends of the first guide blocks 11a and 12a, . A second guide 2b for supplying a pile yarn 27 (knitting a pile portion 31 connected to the bottom portion 32 in Figs. 4 and 8) is provided at the front end of the second guide block 2a do. A third guide 3b is provided at the tip of the third guide block 3a to supply a surface portion 33 connected to the pile portion 31 in the surface yarn 28 (Figs. 4 to 8) do.

The present embodiment exemplifies the two first guide bars 11 and 12 for supplying the first and second warp yarns 41 and 42 but may be constructed by only one of the first guide bars 11 and 12, 1 and the second warp yarns 41 and 42 may be supplied to knit the bottom portion 32. [

In the present embodiment, the double Lassell knitting machine is constituted such that the first and second warp yarns 41 and 42 are supplied to the first guide bars 11 and 12 located on the rear side, the second guide bar 2 positioned in the middle, And the surface yarn 28 is fed to the third guide bar 3 located on the front side to knit the knitted fabric as shown in Figs.

That is, the double Raschel knitting machine supplies the first warp yarn 41 and the second warp yarn 42 to the two first guide bars 11 and 12 located at the rear, The pile yarn 27 is fed to the second guide bar 2 located at the center and the first and second knitting needles 101 and 102 alternately interact with the front and rear knitting needles 101 and 102, And the pile portion 31 connected to the portion 32 is knitted. The double Raschel knitting machine also feeds the surface yarn 28 with the third guide bar 3 located at the front to connect the ends of the pile parts 31 while interacting with the front side first knitting needle 101, The surface portion 33 is formed to knit a knit fabric of a three-dimensional structure.

For example, the pile portion 31 may protrude from the bottom portion 32 in a length ranging from 2 mm to 200 mm. For example, the pile portion 31 may be formed to be 5 mm. When the length of the pile portion 31 is less than 2 mm, it is difficult to knit due to the minimum required work tolerance. To overcome this, post-processing is necessary.

When the length of the pile portion 31 exceeds 200 mm, the bottom portion 32 is knitted and the pile yarn 27 exceeds the range in which the pile portion 31 is not knitted. I. E. The file yarn 27 exceeds the limit of skipping in the longitudinal direction of the trick plate 7.9. To overcome this limitation, separate facilities are required.

The knitting of the bottom portion 32 by the rear side second knitting needle 102 is performed by a known method and the sinkers 15 and 17 and the latch opening wires 19 and 21 are operated by a known method. The description will be omitted.

A method of forming the pile portion 31 by the front and rear first and second knitting needles 101 and 102 (a method of forming a loop connected to the bottom portion 32 by the pile yarn 27) And a method of forming the surface portion 33 by the first knitting needle 101 (that is, a method of connecting the loop of the pile portion 31 to the surface yarn 28) will be described.

FIG. 2 is a side view showing a process of knitting a knitted fabric of the embodiment with the double raschel knitting fabric of FIG. 1, and FIG. 3 is a plan view showing a process of knitting the knitting fabric of one embodiment with the double Raschel knitting machine of FIG.

2 and 3, the first inclined yarn 41 and the second inclined yarn 42 knit the bottom portion 32 by the swinging operation and the lapping operation of the first guides 11b and 12b. The pile yarn 27 knits a loop of the pile portion 31 connected to the bottom portion 32 by the swinging operation and the lapping operation of the second guide 2b. Also. The surface yarn 28 knits the surface portion 33 connecting the ends to the pile portion 31 by the swinging operation and the lapping operation of the third guide 3b.

The second guide 2b interacts with the first knitting needle 101 while moving the pile yarn 27 (Figs. 2 (b), (c), 3 (a) and 3 (c)). At this time, the third guide 3b interacts with the first knitting needle 101 while moving the surface yarn 28 (Figs. 2 (b), (c), 3 (a) ).

The second guide 2b interacts with the second knitting needle 102 while moving the pile yarn 27 while the first guides 11b and 12b are in contact with the first warp 41 and the second warp 42 (Fig. 2 (d), (a), Fig. 3 (b), and (d)) while moving the second knitting needle 102.

More specifically, as shown in FIG. 2 (a), when the rear side second knitting needle 102 is lowered below the trick plate 9, the front side first knitting needle 101 is raised, The guides 11b and 12b and the second guide 2b underwrap and move backward (move from the rear to the front) ((d) in Fig.

2B, when the front side first knitting needle 101 is completely lifted up, the second guide 2b and the third guide 3b are pushed to the first knitting needle 101 by the pile yarn 27 and the surface And the front swing (moving from the front to the back) (the movement from (b) to (c) in FIG. 2).

As shown in Figs. 2B and 2C, the overlapping operation of the second guide 2b and the third guide 3b and the pile yarn 27 and the surface yarn 28 in the front swing, (Fig. 3 (a) and (1) to (2)) as shown in Fig. 3 (a).

2 (c), when the feeding of the pile yarn 27 and the surface yarn 28 is completed by the overlapping operation and the front swing, the front side first knitting needle 101 is lowered to the knock- And the rear side second knitting needle 102 is raised.

As shown in FIG. 2 (d), when the rear side second knitting needle 102 is raised, a knock over occurs in the front side first knitting needle 101 at the same time. A loop of one pile portion 31 is knitted by the pile yarn 27 fed to the first pile 101 and the surface yarn 28 fed at the same time to the first pile 101 is knitted by the surface portion 33 ). The surface yarn 28 connects the end of the pile portion 31 in the knitting direction.

At this time, the first guides 11b and 12b and the second guide 2b move to the front swing (forward to rearward) position (Fig. 2 (d) and Fig. 3 (b)). That is, the first guides 11b and 12b and the second guide 2b are provided with an underlapping operation for hooking the first warp yarn 41 and the second warp yarn 42 and the pile yarn 27 to the second knitting yarn 102 (Backward to forward movement) (move from (b) to (c) in Fig. 3).

The pile yarn 27 is fed to the second knitting needle 102 by the underlapping operation and the back swing of Figures 2 (d) and 2 (a), and the first warp yarns 41 and the second warp yarns 42, (FIG. 3 (b) (3)).

2 (a), when the feeding of the pile yarn 27 and the first and second multiplying yarns 41 and 42 is completed by the underlapping operation and the back swing, the rear side second knitting needle 102 is knocked The first knitting needle 101 is lowered to the over position and the front knitting needle 101 is raised.

2 (a), when the front side first knitting needle 101 is raised, a knock over occurs in the rear side second knitting needle 102 at the same time. As a result, the base fabric of the bottom portion 32 is knitted by the first and second warp yarns 41 and 42 and the filament yarn 27 fed to the second knitting needle 102.

3, the double Raschel knitting machine according to an embodiment includes an overlapping operation of the second guide 2b and the third guide 3b, a front swing (moving from the front to the rear) a, (B), the overlapping operation of the second guide 2b and the third guide 3b, and the operation of overlapping the front swing (backward movement) of the first guide 2b and the second guide 2b, (Moving from the front to the rear) (c), and the under-lapping operation of the first guides 11b, 12b and the second guide 2b and the back swing (moving from the rear to the front) The loops and the surface portion 33 of the bottom portion 32 and the pile portion 31 are knitted to knit a three-dimensional knitted fabric.

In Fig. 3, the first and second knitting needles 101 and 102 of the portion shown by the solid line in the pile yarn 27 and the surface yarn 28 are in an elevated state, and the first and second knitting needles 101 and 102 are in the lowered state. (1), (2), (3) and (4) show the path sequence of the first guides 11b and 12b, the second guide 2b and the third guide 3b. The first warp yarn 41 and the second warp yarn 42 are fed to the second knitting yarn 102 together with the pile yarn 27. [ And the pile yarn 27 is supplied to the first knitting yarn 101 together with the surface yarn 28. [

FIG. 4 is a state view of knitting a knitted fabric according to an embodiment of the present invention, and FIG. 5 shows a pattern of a pile portion and a surface portion set in a direction crossing a knitting direction in a knitted fabric according to an embodiment of the present invention .

2 to 4, the first knitting needle 101 knits the surface portion 33 using the surface yarn 28 in the loop of the pile portion 31 knitted by the pile yarn 27. That is, the surface yarn 28 forms the surface portion 33 by connecting the end portion of the pile portion 31 in the knitting direction. At this time, the pile portion 31 and the surface portion 33 form a pattern set in a direction crossing the knitting direction (left and right direction in Fig. 5).

That is, the second knitting needle 102 knits the bottom portion 32 with the first and second warp yarns 41, 42 and pile yarn 27. The pile yarn 27 projects from the bottom portion 32 by alternately connecting the bottom portion 32 and the surface portion 33 by the first and second knitting needles 101 and 102 to form the pile portion 31 . At this time, the first knitting needle 101 knits the surface portion 33 with the surface yarn 28 and the pile yarn 27.

The pile portion 31 and the surface portion 33 are connected in the knitting direction (left and right direction in Fig. 4) and have a pattern set in a direction crossing the knitting direction (lateral direction in Fig. 5). For example, the pattern of the file portion 31 and the surface portion 33 (which will be referred to as a file portion for the sake of convenience) has a group of three first, second, and third patterns P1, P2, and P3 .

The group of the first patterns P1 is knitted into two pile portions 31 and two blank portions E31 formed only on the bottom portion 32 without forming the pile portion. The second pattern P2 group is organized into three pile portions 31 in the neighborhood of the first pattern P1 group and three blank portions E31 formed only in the bottom portion 32 without forming the pile portion .

The third pattern P3 group is composed of four pile portions 31 in the neighborhood of the second pattern P2 group and four blank portions E31 formed only on the bottom portion 32 without forming the pile portion. do. The groups of the first, second, and third patterns P1, P2, and P3 are repeatedly arranged in a direction (left and right in FIG. 5) crossing the knitting direction. Thus, the knitted fabric of one embodiment can form three dimensions in various structures.

On the other hand, by not forming the pile portion 31 and the surface portion 33, the blank portion E31 can be knitted. That is, in the knitted fabric of the embodiment, the pile portion 31 and the blank portion E31 including the bottom portion 32 and the surface portion 33 are knitted into two and two, respectively, in the first pattern P1 group The pile portion 31 including the bottom portion 32 and the surface portion 33 and the blank portion E31 are knitted into three and three in the second pattern P2 group. The knitted fabric of one embodiment knits the pile portion 31 and the blank portion E31 including the bottom portion 32 and the surface portion 33 into four and four in the third pattern P3 group .

The pile yarn 27 and the surface yarn 28 supplied from the second and third guide bars 2 and 3 are not supplied to the first knitting needle 101, The bottom portion 32 is knitted by the second knitting needle 42 by supplying only the second knitting needles 41 and 42 to the second knitting needle 42. [ The hollow portion E31 without the pile portion 31 can be knitted by the second knitting needle 42 (see Figs. 2 (d), (a) and 3 (d) and 3 (b)).

Although not shown, the pile yarn and the surface yarn supplied from the second and third guide bars are supplied to the second knitting yarn like the first and second warp yarns of the first guide bar, The second knitting yarn may knit a bottom portion, that is, a blank portion without a pile portion.

6 is a photograph of the surface of the knitted fabric according to an embodiment of the present invention, Fig. 7 is a photograph of the left side of Fig. 6, Fig. 8 is a photograph of the bottom of Fig. 6, Is the photograph of the bottom of the piece of paper.

6 to 9, the knitted fabric of one embodiment knits the bottom portion 32 with the first and second warp yarns 41 and 42 and pile yarn 27, And the surface portion 33 is formed at the end of the pile portion 31 by the pile yarn 27 and the surface yarn 28. In this case,

The surface portion 33 connects the loop of the pile portion 31 to the surface yarn 28 and extends in the knitting direction of the knitting fabric together with the pile portion 31 (up and down direction in Figs. 6 and 7). At this time, the pile portion 31 and the surface portion 33 are separated in the direction crossing the knitting direction of the knitted fabric in each group of the first to third patterns P1 to P3. That is, the plurality of file portions 31 are separated from each other in the left and right directions in Figs.

The surface portion 33 together with the pile portion 31 forms a wave along the knitting direction (up and down direction in Figs. 6 and 7). For example, by heating the knitted fabric having the three-dimensional structure having the pile portion 31 and the surface portion 33 in the bottom portion 32 while applying a tensile force in the angular direction set with respect to the knitting direction, And the surface portion 33 may be formed in a wave shape.

Depending on the temperature of the heat treatment applied to the knitted fabric, the direction and size of the tensile force, and the duration, the pile portion 31 and the surface portion 33 may be regularly repeatedly formed or irregularly formed.

The knitted fabric of one embodiment may have various shapes and colors on the surface portion 33 by applying the surface portion 33 before or after forming the wave on the pile portion 31 and the surface portion 33 . For example, the knitted fabric may be printed with a roller brush or a rotary screen knife.

The knitted fabric of this embodiment can be used variously as clothes, bedding, shoes, curtains, vehicle seats and industrial materials.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And it goes without saying that the invention belongs to the scope of the invention.

2, 3: second and third guide bars 2a, 3a: second and third guide blocks
2b, 3b: second and third guides 7, 9: trick plates
11, 12: first guide bar 11a, 12a: first guide block
11b, 12b: first guide 15, 17: sinker
19, 21: latch opening wire 23: frame
25: shaft 27:
28: surface yarn 31:
32: bottom part 33: surface part
41, 42: first and second warp yarns 101, 102: first and second knitting yarns
E31: blank part P1, P2, P3: first, second and third patterns

Claims (8)

A first guide bar, a second guide bar, and a third guide bar, which are sequentially disposed in one direction, and a first knitting needle and a second knitting needle disposed corresponding to the lower side of the first guide bar and the third guide bar Knitted with a double Raschel knitting machine,
A bottom portion knitted from the first knitting needle into a warp yarn fed to the first guide bar and a pile yarn fed to the second guide bar;
A pile portion connected to the bottom portion by the pile yarn fed from the second knitting needle to the second guide bar and projected and knitted; And
And a surface portion connected to the pile yarn fed from the second knitting needle to the second guide bar and to the surface yarn fed to the third guide bar and continuing in the knitting direction,
Wherein the pile portion
Wherein the knitting yarn has a pattern set in a direction crossing the knitting direction.
The method according to claim 1,
The file unit includes:
And the other pile portions are separated from each other along the direction crossing the knitting direction in the group of the patterns.
3. The method of claim 2,
The surface portion
And are separated from each other with neighboring surface portions along a direction crossing the knitting direction in the group of the patterns.
The method of claim 3,
The pile portion and the surface portion
And form a wave in the group of patterns along the knitting direction.
A bottom portion knitted with warp and weft yarn;
A pile portion connected to the bottom portion by the pile yarn and projected and knitted; And
And a surface portion extending in one direction by connecting the pile portion to the pile yarn and the surface yarn,
Wherein the pile portion
Wherein the knitting yarn has a pattern set in a direction crossing the knitting direction.
6. The method of claim 5,
The file unit includes:
And the other pile portions are separated from each other along the direction crossing the knitting direction in the group of the patterns.
The method according to claim 6,
The surface portion
And are separated from each other with neighboring surface portions along a direction crossing the knitting direction in the group of the patterns.
8. The method of claim 7,
Wherein the pile portion
And form a wave along the knitting in the group of patterns.

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