JP3338996B2 - Braided slide fastener - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a knitted slide fastener in which a continuous fastener element row is knitted and attached to a fastener element attachment portion on a longitudinal side edge of the fastener tape simultaneously with knitting of a warp knit fastener tape. is there.

[0002]

2. Description of the Related Art As a conventional braided slide fastener, for example, as shown in Japanese Patent Publication No. 38-11673, a fastener tape is knitted with a chain knitting yarn and a weft insertion yarn, and a fastener is attached to the longitudinal side edge of the fastener tape. Nylon yarns constituting an element row are inserted at the same time as knitting of a fastener tape, and are pressed and fixed by a sinker loop of a chain knitting yarn. As shown in JP-A-2-255104, a chain knitting yarn is used. A plastic element filament is weft-inserted into the longitudinal edge of the fastener tape knitted with the weft insertion yarn to form a fastener element row. , A chain stitch wale that holds down the upper leg of each fastener element, and holds down the lower leg of each fastener element It crowded hen and entangled and that the chain stitch of the wale, knit slide fastener attached to the fastener element row has been known, respectively.

[0003]

The above two woven slide fasteners are obtained by weaving a plastic monofilament into the longitudinal side edge of a fastener tape knitted with a chain knitting yarn and a weft insertion yarn. However, the former is a sinker loop of the ground structure.Since the fastener element row is simply pressed from above, dimensional stability cannot be obtained due to the longitudinal expansion and contraction of the chain stitch, and the close contact between the fastener element row and the ground structure. Insufficiently, it is not possible to maintain a stable mounting posture of the fastener element row, and there is a point that the engagement of the fastener element row is not performed smoothly, and the latter is a weft insertion projecting at the long side edge of the fastener tape The needle loop of the chain knitting yarn is entangled with the yarn, but the two needles of the chain knitting yarn for fixing arranged on the upper surface of the fastener element row The rows of loops are simply juxtaposed, and the single needle loops of each fixing chain knitting yarn are merely connected, so that they are easy to expand and contract in dimension, and the fastening of the fastener element rows is weak and parallel. Needle loops of the chain knitting yarn for fixing are likely to shift in the lateral direction, a stable mounting posture of the fastener element row is not obtained, meshing of the fastener elements is not performed smoothly, and it is easy to break during use. Had problems. Therefore, the present invention
By solving the conventional problems, the fastener element row is dimensionally stable to the longitudinal side edge of the fastener tape and firmly adheres to the ground tissue, always holding a stable mounting posture of the fastener element row, It is an object of the present invention to provide a braided slide fastener in which the function as a fastener is sufficiently maintained and a mesh of fastener elements is not broken even during use.

[0004]

According to the present invention, in order to achieve the above object, a continuous fastener element row is attached to a fastener element mounting portion at a longitudinal side edge of a fastener tape made of warp knitted ground structure. In the knitted slide fastener knitted at the same time as the knitting, the plurality of fixing chain knitting yarns knitted in the fastener element mounting portion, which are arranged in the longitudinal direction, mount the continuous fastener element row with the sinker loop on the lower side. Configure the ground tissue for placement, and with its needle loop up,
A needle loop group knitted and connected in the longitudinal direction is formed, and each leading needle loop for every two courses in the longitudinal direction is arranged on each fastener element upper leg of the continuous fastener element row, and The leading needle loop is disposed close to the ground tissue side of the gap between the fastener elements of the continuous fastener element row, and the leading needle loop surrounds the upper and lower legs of each fastener element of the continuous fastener element row. The knitted slide fastener is formed by knitting into a U-shape.
Also, in a knitted slide fastener in which a continuous fastener element row is knitted simultaneously with the knitting of the fastener tape, in the fastener element attachment portion on the longitudinal side edge portion of the fastener tape made of warp knitted ground structure, each of the fastener element attachment portions The plurality of fixing chain knitting yarns arranged in the longitudinal direction which are knitted in the double structure are arranged on the lower side so that the needle loops which are knitted and connected in the longitudinal direction are arranged on the continuous fastener element row. The needle loops which form the tissue and are knitted and connected in the longitudinal direction on the upper side thereof are formed by connecting the leading needle loops for every two courses in the longitudinal direction on each fastener element of the continuous fastener element row. Arranged on the leg, and the rear needle loop is placed between each fastener element in the continuous fastener element row. The knitted slide fastener is formed by arranging in close proximity to the ground tissue side and knitting the leading needle loop in a substantially inverted U shape surrounding the upper and lower legs of each fastener element in the continuous fastener element row. It was done.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a mounted state of a fastener element row according to a first embodiment of the present invention, FIG. 2 is a model sectional view of a mounted state of the fastener element row, and FIG. FIG. 4 shows an organization chart of the first embodiment.
It is each showing the organization chart of the knitting yarn used in the example. This braided slide fastener (hereinafter simply referred to as “fastener”) is knitted by a general warp knitting machine having a single row of needle beds, and the fastener tape 1 is provided except for the fastener element mounting portion 2 on the longitudinal side edge. As the ground structure, the tricot knitting yarn 15 (1-2 / 1-0) and the chain knitting yarn 14 (1-0 / 0-1) shown in FIG. Insertion thread 16 (0-0 / 4
-4). The weft insertion yarn 16 may be reciprocated in the lateral direction while changing the course 4 over the entire wale 3 of the fastener tape 1 and inserted in a zigzag shape in the longitudinal direction. The two wales 3 on the longitudinal side edge of the fastener tape 1 serve as fastener element mounting portions 2, and the monofilaments, which are continuous coil-shaped fastener element rows, reciprocate horizontally in the same course every other course 4. Thus, a fastener element row 5 is formed. The fastener element row 5 is held down by its upper leg 6 by a fixing chain knitting yarn 10 (1-0 / 0-1) knitted in the two wales 3 and the fastener tape 1 is formed. And at the same time as the knitting of the fastener elements. 1 and 2 show a fastener element row 5
(In FIGS. 1 and 2, the tricot knitting yarn 15 on the fastener tape side is omitted, and the weft insertion yarn 16 is 1 in FIGS. 1 and 2 for ease of illustration.)
It is shown as a main line, and various yarns are shown in a thin and loose stitch.However, in actuality, various yarns are made thicker or thinner in consideration of the function as a braided slide fastener. The stitches are also precisely tightened. This applies to FIGS. 5 and 6 of the second embodiment described later. The coil-shaped fastener element row 5 attached to the fastener element attaching portion 2 on the longitudinal side edge of the fastener tape 1 is formed of a monofilament made of a synthetic resin such as nylon, polyester, or the like. A portion corresponding to the connecting portion 9 is flattened by stamping, and is reciprocated horizontally in the same course every other course 4 to perform weft insertion. By bending, the upper leg 6 and the lower leg 7 are arranged in a vertically superposed state and connected in a coil shape. And this fastener element row 5
Is fixed by a chain knitting yarn 10 for fixing, which is different from the chain knitting yarn 14 of the ground structure to be knitted in the 2 wales 3, and the chain knitting yarn 10 for fixing moves down the sinker loop 11. Zipper element mounting part 2
And the weft insertion yarns 16 knitted as a part of the ground structure, thereby forming the ground structure of the mounting portion on which the coiled fastener element row 5 is placed. The needle loops 12 of the fixing chain knitting yarn 10 are arranged on the upper side and knitted in the longitudinal direction to form a continuous needle loop group as shown in FIGS. 1 and 2, and the leading needle loop 12a for every two courses Are arranged on each fastener element upper leg portion 6 of the coil-shaped fastener element row 5, and the rear needle loops 12b are arranged in the gaps between the fastener elements so as to interlock with the leading needle loops 12a as shown in FIG. By pulling the leading needle loop 12a from the upper leg 6 to the lower leg 7 of each fastener element in a substantially inverted U-shape to be pressed toward the tissue side, the fastener element row 5 is attached to the ground tissue. It was made. Since the stitches are arranged between the fastener elements and the needle loops 12 of the fixing chain knitting yarn 10 are drawn toward the ground structure, the upper and lower legs 6, 7 of each fastener element are at right angles to the ground structure. It is regulated in the direction and is attached in close contact with the ground tissue to ensure a stable attachment state, so that the smooth meshing function as a fastener can always be maintained. In addition, since a recessed space is formed between the fastener elements, the fastener can be easily bent in the longitudinal direction, the flexibility is improved, and the attachment to clothes or the like is improved. 3 and 4, the fixing tricot knitting yarn 13 is indicated by a dashed line, but the fixing tricot knitting yarn 13 can be appropriately arranged on the upper surface side of the fastener element row as required, and thereby, Chain knitting yarn 10
Lateral displacement can be prevented.

FIG. 5 is a plan view showing a mounted state of a fastener element row according to a second embodiment of the present invention, and FIG. 6 is a model sectional view showing a mounted state of the fastener element row. FIG. 7 is a structural diagram of the second embodiment, and FIG. 8 is a structural diagram of a knitting yarn used in the second embodiment. The fastener of the second embodiment is knitted by a warp knitting machine (for example, a double Russell knitting machine) having two rows of needle beds, and the fastener tape 21 has a fastener element mounting portion 22 at a longitudinal side edge portion. The chain knitting yarn 34 (1-0 / 0-0 / 0-1 / 1- 1) shown in FIG.
1) and the tricot knitting yarn 35 (1-2 / 1-1-1-0 /
1-1) and a weft insertion thread 3 inserted in a zigzag manner across four wales 23 over the entire fastener tape 21 adapted to withstand the lateral load of the fastener tape 21.
6 (0-0 / 2-2 / 4-4 / 2-2). The weft insertion thread 36 may reciprocate in the lateral direction while changing the course 24 over the entire wale 23 of the fastener tape 21 and may be inserted in a zigzag shape in the longitudinal direction. At the longitudinal side edge of the fastener tape 21, a fastener element mounting portion 22 of three wales 23 is provided, and a monofilament made of a synthetic resin such as nylon or polyester to be a coil-shaped fastener element row 25 is shown in FIG. The upper and lower legs 2 of each monofilament inserted by reciprocating in the horizontal direction while changing the course 24
6 and 27 are knitted into a double structure on three wales 23 by three fixing chain knitting yarns 30 (0-1 / 1-0 / 1-0).
/ 0-1), the coil-shaped fastener element row 25 is fixed and attached to the fastener element attaching portion 22 simultaneously with the knitting of the fastener tape 21. In addition, the tricot knitting yarn 35 similar to the fastener tape side is added to the ground structure in the fastener element mounting portion 22.
And a weft insertion thread 36.

More specifically, in the organization chart of FIG. 7, the needle position is set to the back needle (B) for each course.
1 shows a front needle (F), in which a needle loop of a knitting yarn is formed on the upper surface of a coiled fastener element row 25 to be knitted. In this embodiment, three needles are formed. Needle loops 32 are respectively formed above the fixing chain knitting yarns 30 knitted into a double structure, and the needle loops 32 are formed above the next fixing chain knitting yarns 30 as shown in FIG. By repeating this, three parallel stitches are formed on the upper surface of the coiled fastener element row 25 along the longitudinal direction, and FIG.
As shown in the figure, the upper leg 26 of each fastener element of the fastener element row 25 is pressed and fixed. Further, in the front needle (F), the needle loop 32 knitted on the upper surface side of each of the coiled fastener element rows 25 of the three parallel fixing chain knitting yarns has two courses as shown in FIGS. Each of the leading needle loops 32a is disposed on the upper leg portion 26 of each fastener element,
Are arranged in the gaps between the fastener elements and are entangled with the leading needle loop 32a and pulled toward the ground tissue side, so that the leading needle loop 32a is connected to the upper leg 2 of the fastener element.
The fastener element row 25 is attached in close contact with the ground tissue by being surrounded in a substantially inverted U shape from 6 to the lower leg 27. Since the stitches are arranged between the fastener elements, and the needle loops 32 of the fixing chain knitting yarn 30 are drawn toward the ground structure, the upper and lower legs 26 and 27 of each fastener element are arranged with respect to the ground structure. In addition to being regulated in a right angle direction, it is attached in close contact with the ground tissue, a stable attachment state is ensured, and a smooth meshing function as a fastener can always be maintained. Further, since a recessed space is formed between the fastener element rows 25, the fastener can be easily bent in the longitudinal direction, the flexibility is improved, and the attachment to clothes or the like is improved. 7 and 8, the fixing tricot knitting yarn 33 is indicated by a dashed line. The fixing tricot knitting yarn 33 is formed of two fixing tricot knitting yarns 33 arranged in parallel on the upper surface side of the fastener element row, particularly near the meshing portion 28. The stitches of the chain knitting yarns may be appropriately arranged between stitches as required, thereby preventing the fixing chain knitting yarns 30 from laterally shifting, and reliably preventing mesh cracks of the fastener element rows during use of the fasteners. be able to.
The tricot knitting yarn for fixing may be arranged between all the stitches of the three chain knitting yarns for fixing as in the second embodiment. In the back needle (B), the fastener tape portion and the portion on the longitudinal side edge of the fastener tape 21 on which the fastener element row 25 of the fastener element mounting portion 22 is placed are knitted. In this embodiment, the fastener is used. The tape part is a chain knitting yarn 34
And the tricot knitting yarn 35 and the weft insertion yarn 36, and in the element attachment portion 22 at the longitudinal side edge of the fastener tape 21, the tricot knitting yarn 35 excluding the chain knitting yarn 34 and the weft insertion yarn 36 form a fastener element row 25. The needle loop 3 below the double knitting fixing knitting yarn 30 is knitted as shown in FIG.
2c is intertwined with the needle loop of the tricot knitting yarn 35 to knit a dense structure.

According to the present invention, the fastener element row is attached and fixed in a substantially inverted U-shape by the fixing chain knitting yarns 10 and 30 from the upper leg to the lower leg so as to regulate the row of fastener elements in a direction perpendicular to the ground structure. The knitting yarn for fixing the fastener element rows (and the tricot knitting yarns 13 and 33 for fixing used as necessary) is also used for knitting the fastener tape. By using a thick, heat-shrinkable yarn, the yarn can be shrunk by heat-setting after completion of the fastener to increase the tightening of the yarn, improve dimensional stability, and strengthen the installation. It is possible to secure a stable posture without any wobble and to always maintain a smooth meshing function. In each of the embodiments, the number of the fixing chain knitting yarns is two or three, which is adopted in accordance with the size of the fastener element. Chain knitting yarn 14 for knitting a ground joint at the outer edge and the inner edge of the element mounting portion
The b, 34b, 14a, and 34a may be formed by using a yarn thicker than the chain knitting yarn of the other fastener tape portions to provide shape retention and reinforcement at the edges. And the continuous fastener element row knitted simultaneously with the knitting of the fastener tape, besides the coil-shaped fastener element row, bends in a U-shape in the horizontal direction on the surface of the fastener tape alternately in the vertical direction continuously along the longitudinal direction The present invention is also applicable to a zigzag type fastener element row which is attached while being formed in a zigzag shape. Further, in the case of the present invention, for example, the coil-shaped fastener element row is knitted on the fastener element mounting portion so that the meshing portions 8 and 28 face the fastener tape side and the connecting portions 9 and 29 face the outermost edge of the fastener element mounting portion. It is also possible to apply a hidden fastener type in which the fastener tape portion is folded and formed so as to be folded on the outer surface of the fastener element mounting portion.

[0009]

According to the present invention, the continuous fastener element row knitted at the same time as the knitting of the fastener tape is knitted in the longitudinal direction arranged above the chain knitting yarn for fixing and connected. 2
By arranging each leading needle loop of each course on the upper leg of each fastener element and arranging the trailing needle loop close to the ground tissue side of the gap between each fastener element, each fastener element From the upper leg portion to the lower leg portion, the front needle loop surrounds and mounts in a substantially inverted U-shape, so that each fastener element is regulated in a right angle direction and can be mounted in close contact with the fastener element mounting portion, Furthermore, since there is a stitch between each element, a stable mounting state is secured,
A smooth meshing function is maintained for a long time. Further, since a recessed space is formed between the fastener elements, the fastener can be easily bent in the longitudinal direction, the flexibility is improved, and the attachment of the fastener to clothing or the like is improved. Also, by knitting the fixing chain knitting yarn into a double structure, the same excellent effect as obtained by knitting into a single structure can be obtained.

[Brief description of the drawings]

FIG. 1 is a plan view of a main part schematically showing a mounted state of a fastener element row of a first embodiment of a braided slide fastener of the present invention.

FIG. 2 is a cross-sectional view of the main part.

FIG. 3 is an organization diagram of a first embodiment of a braided slide fastener of the present invention. It is.

FIG. 4 is a structural diagram of each knitting yarn used in FIG.

FIG. 5 is a plan view of a main part schematically showing a mounting state of a fastener element row according to a second embodiment of the braided slide fastener of the present invention.

FIG. 6 is a cross-sectional view of the main part.

FIG. 7 is an organization diagram of a second embodiment of the braided slide fastener of the present invention.

FIG. 8 is a structural diagram of each knitting yarn used in FIG. 7;

[Explanation of symbols]

 1,21 Fastener tape 5,25 Fastener element row 10,30 Fixing chain knitting yarn 12,32 Needle loop (fixing chain knitting yarn) 14,34 Chain knitting yarn 15,35 Tricot knitting yarn 16,36 Weft insertion yarn

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A44B 19/56

Claims (2)

(57) [Claims] 1. A braided slide fastener in which a continuous fastener element row is knitted simultaneously with the knitting of the fastener tape at a fastener element mounting portion at a longitudinal side edge of the fastener tape having a warp knitted ground structure. The plurality of fixing chain knitting yarns arranged in the longitudinal direction which are knitted in the mounting portion constitute a ground structure for mounting a continuous fastener element row with the sinker loop on the lower side, and the needle loop is formed. On the upper side, a needle loop group knitted and connected in the longitudinal direction is formed, and each leading needle loop for every two courses in the longitudinal direction is placed on each fastener element upper leg of the continuous fastener element row. And place the rear needle loop on the ground tissue side of the gap between each fastener element in the continuous fastener element row. A knitted slide fastener, wherein the leading needle loop is knitted so as to form a substantially inverted U-shape surrounding the upper and lower legs of each fastener element in the continuous fastener element row. 2. A knitted slide fastener in which a continuous fastener element row is knitted simultaneously with the knitting of the fastener tape at a fastener element mounting portion on a longitudinal side edge of the fastener tape made of warp knitted ground structure. A plurality of fixing chain knitting yarns arranged in the longitudinal direction which are woven into the double structure at the mounting portion, respectively, are knitted in the longitudinal direction on the lower side, and the needle loops which are continuous are placed on the continuous fastener element row. Needle loops which are formed in the ground structure for forming, and which are knitted and connected in the longitudinal direction on the upper side thereof, are connected to the leading needle loops for every two courses in the longitudinal direction of the continuous fastener element row. Arrange on the upper leg of each fastener element and connect the rear needle loop to each fastener element of the continuous fastener element row. The leading needle loops are arranged in a substantially inverted U-shape surrounding the upper and lower legs of each fastener element of the continuous fastener element row. And a braided slide fastener.