CN112654272A

CN112654272A - Fastener stringer and slide fastener

Info

Publication number: CN112654272A
Application number: CN201880096657.9A
Authority: CN
Inventors: 池口祥人; 坂本祥仁; 明和正树
Original assignee: YKK Corp
Current assignee: YKK Corp
Priority date: 2018-09-12
Filing date: 2018-09-12
Publication date: 2021-04-13
Anticipated expiration: 2038-09-12
Also published as: TWI678982B; TW202010432A; CN112654272B; WO2020053999A1

Abstract

The fastener stringer (30) includes a fastener tape (10) of a knit structure and fastener elements (20) provided on the fastener tape (10). A fastener tape (10) comprises: a 1 st belt region (11) in which a fastener element (20) is provided on the 1 st belt region (11); a 2 nd tape region (12) disposed so as to be distant from the fastener element (20) in the weft direction; and a 3 rd belt region (13) provided between the fastener element (20) and the 2 nd belt region (12). The width in the weft direction of the band 3 region (13) is not greater than the width in the weft direction of the band 2 region (12). The stretchable insert yarn (63c) is knitted in the 3 rd band region (13) with an amplitude over a plurality of wales. The wale interval of the 3 rd band region (13) is smaller than that of the 2 nd band region (12) due to binding by the stretchable inserted yarn (63c) of the 3 rd band region (13).

Description

Fastener stringer and slide fastener

Technical Field

The invention relates to a zipper teeth chain belt and a zipper.

Background

As disclosed in patent documents 1 and 2, it is known to knit an elastic thread into a fastener tape having a knit structure. Patent document 3 discloses the use of an elastic weft in a fastener tape having a woven structure rather than a knitted structure.

Documents of the prior art

Patent document

Patent document 1: japanese Kokoku publication Sho 62-25141

Patent document 2: japanese Kokoku publication Sho-54-72903

Patent document 3: japanese patent No. 4170282

Disclosure of Invention

In patent documents 1 and 2, an elastic insert yarn is woven into a tape center region that is relatively wide in the tape width direction of a fastener tape having a knitting structure. This can provide a sufficient amount of expansion and contraction in the belt width direction. However, when an object to be joined such as cloth is sewn to the belt central region, the stretching force of the belt region farther from the fastener element at the sewing position is hardly utilized in practice.

In patent document 2, a stretchable thread is used as a weft thread in a fastener tape having a woven structure. One thread is used as a weft in a woven fastener tape. Therefore, a stretchable thread is used in a large amount as a weft. In patent document 2, in order to sew fastener elements or the like to a fastener tape, the elastic force of the elastic weft thread is locally restricted, and the elastic thread is used wastefully.

As can be understood from the above description, the present inventors have found the following new problems: the waste use of the stretchable thread is eliminated as much as possible, the amount of the stretchable thread used is reduced, and a sufficient stretching force required for the fastener tape is secured.

A fastener stringer according to an aspect of the present disclosure includes a fastener tape of a knitted texture and fastener elements provided on the fastener tape, wherein,

the fastener tape comprises: a 1 st belt region on which the fastener element is provided; a 2 nd tape region disposed away from the fastener element in a weft direction; and a 3 rd belt region disposed between the fastener element and the 2 nd belt region,

the width in the weft direction of the band 3 region is not greater than the width in the weft direction of the band 2 region,

in the 3 rd band, the stretch insert yarn is knitted with an amplitude over a plurality of wales,

the wale spacing of the band 3 region is less than the wale spacing of the band 2 region due to binding by the stretch inserted yarn of the band 3 region.

In some embodiments, the wale interval of the 3 rd belt region is changeable from a 1 st interval smaller than the wale interval of the 2 nd belt region to a 2 nd interval larger than the wale interval of the 2 nd belt region against binding by the stretchable insert yarn of the 3 rd belt region when the 2 nd belt region is pulled in a manner that the 2 nd belt region is apart from the fastener elements in the weft direction.

In some embodiments, in the band 1 region, a non-stretch inserted yarn is knitted with an amplitude over a plurality of wales,

the stretch insert yarn of the 3 rd band and the non-stretch insert yarn of the 1 st band are knitted in 1 or more common wales.

In some embodiments, in the 2 nd band region, a non-stretch inserted yarn is knitted with an amplitude throughout a plurality of wales,

the stretch insert yarn of the 3 rd band and the non-stretch insert yarn of the 2 nd band are knitted in 1 or more common wales.

In certain embodiments, the 2 nd band region comprises a non-stretch plurality of inserted yarns woven at 1 wale spacing in the weft direction.

In some embodiments, the band 1 region comprises one inserted yarn that is non-stretch.

In some embodiments, the 2 nd band region is a mesh region and the 3 rd band region is a non-mesh region when the 2 nd band region is not pulled in the weft direction away from the fastener elements.

A mode of the present disclosure relates to a slide fastener, including:

a pair of fastener stringers having a fastener tape of a knit structure and fastener elements provided on the fastener tape; and

1 or more sliders for opening and closing the pair of fastener stringers,

A slide fastener according to an aspect of the present disclosure is mounted on an object to be connected, and includes:

a pair of fastener stringers having a fastener tape of warp knitting structure and fastener elements provided on the fastener tape; and

1 or more sliders for opening and closing the pair of fastener stringers,

the adherend is attached to the 2 nd belt region so that the 3 rd belt region is exposed,

the inserted yarn with elasticity in the 3 rd band is knitted with an amplitude over a plurality of wales,

In some embodiments, the flange portion (44) of the slider is movable in contact with the common wale.

Effects of the invention

According to one aspect of the present disclosure, the design and/or characteristics of the fastener stringer can be improved by narrowing the coil wale interval in the vicinity of the fastener element while suppressing wasteful use of the stretchable thread.

Drawings

Fig. 1 is a schematic front view of a slide fastener according to an embodiment of the present disclosure.

Fig. 2 is a schematic view showing a state where right and left fastener elements are coupled in a slider of a slide fastener according to an embodiment of the present disclosure.

Fig. 3 is a schematic cross-sectional view of a fastener stringer according to an embodiment of the present disclosure, and also shows a flange portion of a slider.

Fig. 4 is a schematic view showing a warp knitting structure of a fastener tape according to an embodiment of the present disclosure.

Fig. 5 is a schematic view showing a warp knitting structure of a fastener tape according to an embodiment of the present disclosure, and corresponds to a state in which the fastener tape extends in the tape width direction.

Fig. 6 is a schematic view showing the form of each thread constituting the warp knitting structure of the fastener tape according to one aspect of the present disclosure.

Fig. 7 is a photograph showing the left and right fastener stringers after being joined according to one embodiment of the present disclosure.

Fig. 8 is a schematic view showing a state where the slide fastener according to one embodiment of the present disclosure is sewn to an object.

Description of the reference numerals

10 zipper tape

11 1 st band region

12 nd band 2 region

13 band 3 region

20 zipper teeth

30 zipper teeth chain belt

40 slider

50 zipper

61 chain knitting yarn

62 tricot knitting yarn

63 inserted yarn

9a wale of coil

9b wale of coil

9c wales of coils

Detailed Description

A non-limiting embodiment of the present invention will be described below with reference to fig. 1 to 8. The features included in the disclosed embodiments can be combined in various ways, and the features can also be applied to slide fasteners other than the disclosed type of slide fastener. The overlapping description between the embodiments is omitted in principle. The main object of the present invention is to be described with reference to the drawings, and the drawings may be simplified for convenience.

Fig. 1 is a schematic front view of a slide fastener 50. Fig. 2 is a schematic view showing a state where the left and right fastener elements 20 are coupled in the slider 40 of the slide fastener 50. Fig. 3 is a schematic cross-sectional view of the fastener stringer, and also shows the flange portion 44 of the slider 40. Fig. 4 is a schematic view showing a warp knitting structure of the fastener tape 10. Fig. 5 is a schematic view showing a warp knitting structure of the fastener tape 10, and corresponds to a state in which the fastener tape 10 extends in the tape width direction. Fig. 6 is a schematic view showing the form of each thread constituting the warp knitting structure of the fastener tape. Fig. 7 is a photograph showing the left and right fastener stringers 30 after joining. Fig. 8 is a schematic view showing a state where the slide fastener 50 is sewn to the

objects

71 and 72.

In the present specification, the direction is defined as follows for the slide fastener. The front-rear direction coincides with the moving direction of a slider for opening and closing the slide fastener. The zipper is closed by the advance of the slider, namely the left zipper teeth chain belt and the right zipper teeth chain belt are combined. The zipper is opened by the retreating of the slider, that is, the left and right fastener stringers and the left and right fastener elements are separated from each other. The left-right direction is aligned with the horizontal row direction of the fastener stringer and the fastener elements which are coupled/uncoupled by the movement of the slider in the front-rear direction. The left-right direction is a direction orthogonal to the front-back direction and parallel to the tape surface of the fastener tape. The up-down direction is a direction orthogonal to the front-back direction and the left-right direction. The above direction can be redefined with reference to the following description.

The warp direction and the wale direction of the fastener tape formed by the warp knitting structure are the same as the above-described front-rear direction with respect to the slide fastener. The weft direction and the wale direction of the fastener tape formed by the warp knitting structure are the same as the above-described left-right direction with respect to the slide fastener. Warp and wale directions can alternatively be used. Also, the weft and course directions can alternatively be used. The wales are portions in which loops (knitting loops) are continuously formed on an axis extending in the warp direction.

As shown in fig. 1, the slide fastener 50 includes a pair of left and

right fastener stringers

30 and 1 or more sliders 40 for opening and closing the pair of left and right fastener stringers 30. Each fastener stringer 30 includes a fastener tape 10 of a knitted texture, more specifically, a warp-knitted texture, and a fastener element 20 provided on the fastener tape 10. As shown in fig. 4 and 6, the warp knitting structure of the fastener tape 10 includes a plurality of knitting yarns such as a chain knitting yarn 61, a tricot knitting yarn 62, and an insert yarn 63, but is not limited thereto. The warp knitting structure of the fastener tape 10 can have other kinds of knitting yarns added thereto, such as a warp insert yarn and a double-needle-bed yarn.

The fastener elements 20 are provided at side edges of the fastener tape 10 extending in the front-rear direction. As the fastener element 20, a spiral element is shown, but it is obvious that the kind of the fastener element 20 is not limited thereto. It is also easy to think of a form in which metal or resin fastener elements are fixed to the side edge portions of the fastener tape 10 at regular intervals. In the form in which the fastener element 20 is a spiral element, typically, the spiral element is sewn to the fastener tape 10, more specifically, the 1 st tape region 11 (see fig. 3) described later, by a sewing thread. A form in which the spiral element is knitted into the warp knitting structure of the fastener tape 10 together with the knitting of the fastener tape 10 can also be conceived. In the illustrated example, a front stopper is provided at the front end of the fastener element 20, and a rear stopper is provided at the rear end of the fastener element 20.

The slider 40 includes an upper blade 41, a lower blade 42, a connecting column (not shown) connecting the upper blade 41 and the lower blade 42, a pull-tab attachment portion 43, and a pull tab 46. The upper blade 41 is provided with a flange 44 for setting a moving path of the right and left fastener elements 20. The fastener tape 10 is passed through a gap between the flange portion 44 of the upper blade 41 and the flange portion 45 of the lower blade 42. Further, a flange portion for setting a moving path of the right and left fastener elements 20 may be provided on the lower blade 42. Similarly, a configuration is also conceivable in which a flange portion for setting the movement path of the right and left fastener elements 20 is provided in a split manner on the upper blade 41 and the lower blade 42. The slider 40 may be made of resin, metal, or ceramic, but is not limited thereto.

As described above, the fastener tape 10 is formed by a warp knitting structure, and in some forms including the example shown in the drawings, the warp knitting structure of the fastener tape 10 includes at least a chain knitting yarn 61, a tricot knitting yarn 62, and an insert yarn 63. As shown in fig. 4, all the wales included in the warp knitting structure of the fastener tape 10 include a combination of the loop(s) of the chain knitting yarn 61, the loop(s) of the tricot knitting yarn 62, and the portion(s) of the insert yarn 63 engaged with the loop of the chain knitting yarn 61 and/or the loop of the tricot knitting yarn 62, but are not necessarily limited thereto. One of the chain knitting yarn 61 and the tricot knitting yarn 62 may be omitted in 1 or more wales. The inserted yarn 63 may be omitted from 1 or more wales.

The warp knitting structure of the fastener tape 10 is constructed by continuously knitting loops (meshes) in the warp direction. To form 1 wale, the chain knitting yarn 61 is knitted in such a manner that loops are continuous in the warp direction. That is, 1 wale is constituted by the succession of the loops of 1 chain knitting yarn 61. In other words, the fastener tape 10 includes a plurality of wales individually constituted by a plurality of chain knitting yarns 61.

The tricot knitting yarn 62 is knitted so that loops are continuous in the warp direction like the chain knitting yarn 61, but unlike the chain knitting yarn 61, loops are alternately formed in adjacent 2 wales. Note that the method of forming the knitted fabric while forming the loops in the warp direction by the tricot knitting yarn 62 is not limited to the present description and the illustrated example, and may be other various methods. The tricot knitting yarn 62 and the chain knitting yarn 61 were knitted simultaneously, and engaged with each other during knitting to form 1 knitted fabric. The inserted yarn 63 extends in the warp direction while oscillating or meandering with an amplitude over 2 or more wales. The inserted yarn 63 is different from the chain knitting yarn 61 and the tricot knitting yarn 62, and the inserted yarn 63 is a thread which does not form a loop by itself. The insert yarn 63 is knitted into the loops of the chain knitting yarn 61 and/or the loops of the tricot knitting yarn 62 at a portion crossing the wale and/or into the loops of the chain knitting yarn 61 and/or the loops of the tricot knitting yarn 62 at a portion reversed in the traveling direction in the weft direction.

As shown in fig. 3 and 4, the fastener tape 10 includes a 1 st tape region 11, a 2 nd tape region 12, and a 3 rd tape region 13. The 1 st band 11 is a band into which the non-stretch insert yarn 63a is knitted with an amplitude over a plurality of wales. The 1 st band region 11 has a little stretchability in the weft direction due to the knitting structure, but does not exhibit sufficient stretchability in the weft direction due to the non-stretchable insert yarn 63 a. That is, the 1 st belt region 11 can be said to be a substantially non-stretchable belt region having no stretchability in the weft direction. The 1 st belt region 11 is provided with a fastener element 20. The knitting structure of the 1 st band region 11 is a warp knitting structure, and the stretchability in the weft direction obtained by this knitting structure is originally only a little.

The 2 nd tape region 12 is a tape region in which the non-stretchable insert yarn 63b is knitted over the amplitude of the plurality of wales, and is provided so as to be distant from the fastener element 20 in the weft direction (tape width direction). The 2 nd band region 12 has a little stretchability in the weft direction due to the knitting structure, but does not exhibit sufficient stretchability in the weft direction due to the non-stretchable inserted yarn 63 b. That is, it can be said that the 2 nd belt region 12 is substantially a non-stretchable belt region having no stretchability in the weft direction.

The 3 rd band 13 is a band into which the stretchable insert yarn 63c is knitted with an amplitude over a plurality of wales. The 3 rd band region 13 has stretchability in the weft direction based on the knit structure and the stretchable insert yarn 63 c. That is, the 3 rd band region 13 is an elastic band region having sufficient elasticity in the weft direction. Further, the stretchability of the 3 rd band region 13 in the weft direction is obtained entirely based on the inserted yarn 63c of stretchability. In other words, the 3 rd band 13 includes the stretchable insert yarn 63c instead of the non-stretchable insert yarns 63a and 63b, unlike the 1 st band 11 and the 2 nd band 12. This ensures and promotes the stretchability in the weft direction of the 3 rd band 13. The band 3 region 13 is disposed between the fastener element 20 and the band 2 region 12. The fastener tape 10 can be divided into the 1 st to 3 rd tape regions as described above. The 1 st to 3 rd belt regions 11 to 13 may be formed as separate non-overlapping regions or as partially overlapping regions.

In the form shown in fig. 4, the 1 st band 11 includes 4 wales, the 2 nd band 12 includes 9 wales, and the 3 rd band 13 includes 7 wales. The 1 st band region 11 and the 3 rd band region 13 overlap by the amount of 2

wales

9a, 9 b. The 2 nd band region 12 and the 3 rd band region 13 overlap by an amount of 1 wale 9 c. In some cases, the relationship that the number of wales included in the 1 st band region 11 < the number of wales included in the 3 rd band region 13 < the number of wales included in the 2 nd band region 12 holds.

The non-stretchable insert yarn 63a knitted into the 1 st band region 11 is, for example, a polyester yarn having a fineness of 84 to 660 dtex. The non-stretchable insert yarn 63b knitted into the 2 nd band 12 is, for example, a polyester yarn having a fineness of 84 to 660 dtex. The stretchable insert yarn 63c knitted into the 3 rd band region 13 is, for example, a polyurethane yarn having a fineness of 84 to 660 dtex.

By incorporating the non-stretch insert yarn 63a into the 1 st tape region 11, the stretch in the weft direction of the 1 st tape region 11 can be suppressed, and the stable fixing or sewing of the fastener element 20 to the 1 st tape region 11 can be promoted. Similarly, by incorporating the non-stretchable insert yarn 63b into the 2 nd band 12, the stretching in the weft direction of the 2 nd band 12 can be suppressed, and stable sewing of an object such as cloth or leather with respect to the 2 nd band 12 can be promoted. By incorporating the stretchable insert yarn 63c into the 3 rd band 13, local weft stretch in the 3 rd band 13 can be obtained.

As shown in fig. 4, when the 2 nd tape region 12 is not pulled so that the 2 nd tape region 12 is separated from the fastener element 20 in the weft direction, the wale interval W13 in the 3 rd tape region 13 is smaller than the wale interval W11 in the 1 st tape region 11 and the wale interval W12 in the 2 nd tape region 12 due to binding by the stretchable inserted yarn. On the other hand, as shown in fig. 5, when the 2 nd tape region 12 is pulled so that the 2 nd tape region 12 is apart from the fastener element 20, the wale interval W13 in the 3 rd tape region 13 is larger than the wale interval W11 in the 1 st tape region 11 and the wale interval W12 in the 2 nd tape region 12. That is, when the 2 nd tape region 12 is pulled so that the 2 nd tape region 12 is away from the fastener element 20, the wale interval of the 3 rd tape region 13 can be changed from the 1 st interval smaller than the wale interval of the 2 nd tape region 12 to the 2 nd interval larger than the wale interval of the 2 nd tape region 12 against the binding (i.e., the force for reducing the wale interval) by the stretch insertion yarn of the 3 rd tape region 13. The stretchability in the weft direction of the 3 rd band 13 is secured by the stretchable insert yarn 63c in the 3 rd band 13 extending in the weft direction.

In the present embodiment, the 3 rd band region 13 into which the stretchable insert yarn 63c is woven is provided between the fastener element 20 and the 2 nd band region 12, and the width in the weft direction of the 3 rd band region 13 is smaller than the width in the weft direction of the 2 nd band region 12. Further, when the 2 nd tape region 12 is pulled so that the 2 nd tape region 12 is separated from the fastener element 20 in the weft direction, the wale interval of the 3 rd tape region 13 can be changed from the 1 st interval smaller than the wale interval of the 2 nd tape region 12 to the 2 nd interval larger than the wale interval of the 2 nd tape region 12 against the binding by the stretch inserted yarn of the 3 rd tape region 13 (see the change of the wale interval W13 in fig. 4 and 5). This can prevent the object such as cloth or leather from being sewn to the 3 rd band region 13, and the inserted yarn 63c which suppresses stretchability is partly or entirely useless.

The change in the wale interval of the 3 rd belt region 13 from the 1 st interval to the 2 nd interval when the 2 nd belt region 12 is pulled so that the 2 nd belt region 12 is away from the fastener element 20 means that the wale interval of the 3 rd belt region 13 is maintained at the 1 st interval (smaller than the wale interval of the 2 nd belt region 12) when the 2 nd belt region 12 is not pulled so that the 2 nd belt region 12 is away from the fastener element 20. By narrowing the 3 rd band 13 in the weft direction, the possibility of sewing a material to be joined such as cloth or leather to the 3 rd band 13 into which the stretchable insert yarn 63c is knitted can be further reduced.

Further, in some forms, the width in the weft direction of the 3 rd belt region 13 is smaller than the width in the weft direction of the 2 nd belt region 12 both when the 2 nd belt region 12 is not pulled in such a manner that the 2 nd belt region 12 is away from the fastener element 20 and when the 2 nd belt region 12 is pulled in such a manner that the 2 nd belt region 12 is away from the fastener element 20. Further, the 3 rd tape region 13 is directly adjacent to the fastener element 20 provided in the 1 st tape region 11 and sewn to the 1 st tape region 11 by, for example, sewing, and is exposed between the fastener element 20 and the 2 nd tape region 12.

As described above, the fact that the wale interval of the 3 rd tape region 13 is maintained at the 1 st interval means that the density of the knitting yarns (chain knitting yarn, tricot knitting yarn, and insert yarn) of the fastener tape 10 is increased at the contact portion with the flange portion 44 of the slider 40. This can suppress wear of the fastener tape 10 due to friction with the slider 40. As described above, by maintaining the wale interval of the 3 rd tape region 13 at the 1 st interval, the appearance effect can be obtained that the 3 rd tape region 13 exposed between the fastener element 20 and the

objects

71 and 72 such as cloth and leather has a high-density and strong texture (see fig. 8). Further, as described above, the maintenance of the wale interval of the 3 rd band region 13 to be small by the insertion yarn 63c can be achieved by inserting the stretchable insertion yarn in the stretched state into the 3 rd band region 13.

Band 1, area 11 contains one inserted non-stretch yarn 63a, with one inserted yarn 63a being knitted with an amplitude over multiple (4) wales. The 2 nd band region 12 includes a plurality of non-stretchable insert yarns 63b, and each insert yarn 63b is knitted with an amplitude over a plurality (4) of wales. A plurality of insert yarns 63b are inserted at 1 wale intervals in the weft direction. Band 3 region 13 includes 2 insertion yarns 63c having stretchability, and each insertion yarn 63c is knitted with an amplitude over a plurality (4) of wales. Although not necessarily limited thereto, the inserted yarns have the same amplitude. In other words, a relationship is established between the number of wales crossed by the meandering inserted yarn 63a and the number of wales crossed by the meandering inserted yarn 63b and the number of wales crossed by the meandering inserted yarn 63 c. The relationship of the 2 nd tape region 12 > the 3 rd tape region 13 > the 1 st tape region 11 holds with respect to the number of inserted yarns 63. That is, the 2 nd tape region 12 contains the largest number of inserted yarns 63, the 1 st tape region 11 contains the smallest number of inserted yarns 63, and the 3 rd tape region 13 contains the middle of these.

The stretchable insert yarn is a yarn that can be stretched more largely than the non-stretchable insert yarn. For example, the stretchable insert yarn is a rubber thread, a polyurethane thread, a polyether ester thread, or the like. The elastic thread is also called an elastic thread. The non-stretchable insert yarn is a yarn which is slightly stretched or hardly stretched as compared with the stretchable insert yarn. For example, the non-stretch inserted yarn is nylon yarn, acrylic yarn, polyester yarn, or the like. Without being limited thereto, the stretchable insert yarn has a maximum elongation of 40 to 150% in the standard. On the other hand, the non-stretchable inserted yarn has a maximum elongation of 10% to 40% in the standard. The standard is a state where the line is not wet. The elongation was measured in accordance with JIS L-1013. Further, the inserted yarns can be monofilament or multifilament threads.

As shown in fig. 4, the 1 st band 11 and the 2 nd band 12 overlap each other, that is, the 3 rd band 13 and the 1 st band 11 are knitted in the

common wale

9a, 9b by the stretchable inserted yarn 63c and the non-stretchable inserted yarn 61 a. In the

common wale

9a, 9b, the inserted yarn 63a of the 1 st band region 11 and the inserted yarn 63c of the 3 rd band region 13 are alternately knitted in the warp direction. Typically, non-stretch insert yarn 63a is a stronger yarn (e.g., stronger tensile strength) than stretch insert yarn 63 c. Therefore, the presence of the non-stretchable insert yarn 63a in addition to the stretchable insert yarn 63c in the

common wales

9a and 9b can improve the abrasion resistance of the fastener tape 10 with respect to the slider 40, particularly the flange portion 44 thereof (see fig. 3). The flange portion 44 of the slider 40 is movable in a state of being in contact with one or both of the

common wales

9a and 9 b. The

wales

9a and 9b can also be referred to as slider contact regions. In the slider contact region, the stretchable insert yarn 63c and the non-stretchable insert yarn 63a are mixed.

The knitting of the inserted yarn 63 into the

wales

9a and 9b can be achieved by engaging the loops of the chain knitting yarn 61 and/or the loops of the tricot knitting yarn 62 with the inserted yarn 63, but is not necessarily limited thereto. The number of the

common wales

9a and 9b is not limited to 2, and may be 1 or more or 2 or more.

As shown in fig. 4, the stretchable insert yarn 63c of the 3 rd band 13 and the non-stretchable insert yarn 63b of the 2 nd band 12 are knitted in the common wale 9 c. It can also be understood that the 2 nd band region 12 overlaps the 3 rd band region 13 as in the above description about the relationship of the 1 st band region 11 and the 3 rd band region 13. The number of the common wales 9c is not limited to 1, and may be 1 or more or 2 or more.

Fig. 7 is a photograph showing the left and right fastener stringers 30 after joining. As described above, when the 2 nd tape region 12 is not pulled so that the 2 nd tape region 12 is apart from the fastener element 20 in a certain fastener element chain 30, the wale interval of the 3 rd tape region 13 is maintained at the 1 st interval smaller than the wale interval of the 2 nd tape region 12. As a result, as shown in fig. 7, the 2 nd band region 12 is configured as a mesh region, and the 3 rd band region 13 is configured as a non-mesh region. The following effects can be obtained: a design effect can be obtained in which the 3 rd tape region 13 exposed between the fastener element 20 and the

objects

71 and 72 such as cloth and leather is seen to have a high-density and strong texture (see fig. 8). The mesh region is a band region in which a plurality of holes are two-dimensionally arranged. The non-mesh region is a band region in which a plurality of holes arranged in a two-dimensional pattern are substantially closed.

As described above, when the 2 nd tape region 12 is pulled so that the 2 nd tape region 12 is apart from the fastener element 20 in a certain fastener element chain 30, the wale interval of the 3 rd tape region 13 can be changed from the 1 st interval smaller than the wale interval of the 2 nd tape region 12 to the 2 nd interval larger than the wale interval of the 2 nd tape region 12 against the constraint by the stretch inserted yarn of the 3 rd tape region 13. Therefore, when the 2 nd tape region 12 is pulled so that the 2 nd tape region 12 is separated from the fastener element 20 in a certain fastener element chain 30, the 3 rd tape region 13 is partially configured as a web region.

The fastener tape 10 can be manufactured using various general-purpose or special-purpose knitting machines.

Based on the above disclosure, those skilled in the art can make various modifications to the embodiments. Reference numerals are included in the claims for reference purposes and are not intended to limit the scope of the claims.

Claims

1. A fastener stringer comprising a fastener tape (10) of a knitted texture and fastener elements (20) provided on the fastener tape (10), the fastener stringer (30) being characterized in that:

the fastener tape (10) comprises: a 1 st belt region (11) in which the fastener element (20) is provided on the 1 st belt region (11); a 2 nd tape region (12) disposed away from the fastener element (20) in a weft direction; and a 3 rd belt region (13) provided between the fastener element (20) and the 2 nd belt region (12),

the width in the weft direction of the band 3 region (13) is not greater than the width in the weft direction of the band 2 region (12),

in the 3 rd band region (13), a stretchable insert yarn (63c) is knitted with an amplitude over a plurality of wales,

the wale interval of the band 3 region (13) is smaller than that of the band 2 region (12) due to binding by the stretchable insert yarn (63c) of the band 3 region (13).

2. The fastener stringer according to claim 1, wherein:

when the 2 nd tape region (12) is pulled so that the 2 nd tape region (12) is separated from the fastener element (20) in the weft direction, the wale interval of the 3 rd tape region (13) can be changed from the 1 st interval smaller than the wale interval of the 2 nd tape region (12) to the 2 nd interval larger than the wale interval of the 2 nd tape region (12) against the binding by the stretchable insert yarn (63c) of the 3 rd tape region (13).

3. The fastener stringer according to claim 1 or 2, wherein:

in the 1 st band region (11), a non-stretch insert yarn (63a) is knitted with an amplitude over a plurality of wales,

the stretchable insert yarn (63c) of the 3 rd band region (13) and the non-stretchable insert yarn (63a) of the 1 st band region (11) are knitted in 1 or more common wales.

4. The fastener stringer according to any one of claims 1 to 3, wherein:

in the 2 nd band area (12), a non-stretch insert yarn (63b) is knitted with an amplitude over a plurality of wales,

the stretch insert yarn (63c) of the 3 rd band (13) and the non-stretch insert yarn (63b) of the 2 nd band (12) are knitted in 1 or more common wales.

5. The fastener stringer according to any one of claims 1 to 4, wherein:

the 2 nd band region (12) contains a plurality of non-stretch insert yarns (63b), and the plurality of insert yarns (63b) are woven at 1 wale interval in the weft direction.

6. The fastener stringer according to any one of claims 1 to 5, wherein:

the 1 st band (11) contains one inserted yarn (63a) which is non-stretch.

7. The fastener stringer according to any one of claims 1 to 6, wherein:

when the 2 nd band region (12) is not pulled in a manner that the 2 nd band region (12) is away from the fastener element (20) in the weft direction, the 2 nd band region (12) is a mesh region, and the 3 rd band region (13) is a non-mesh region.

8. A zipper, comprising:

a pair of fastener stringers (30) having a fastener tape (10) of a knitted structure and fastener elements (20) provided on the fastener tape (10); and

1 or more sliders (40) for opening and closing the pair of fastener stringers (30),

the zipper (50) is characterized in that:

9. The zipper of claim 8, wherein:

10. A slide fastener attached to an object (71, 72), said slide fastener (50) comprising:

a pair of fastener stringers (30) having a fastener tape (10) of a warp knitting structure and fastener elements (20) provided on the fastener tape (10); and

the objects (71, 72) are attached to the 2 nd band region (12) so that the 3 rd band region (13) is exposed,

11. The zipper of claim 10, wherein:

12. The slide fastener according to any one of claims 10 to 11, wherein:

13. The zipper of claim 12, wherein:

a flange portion (44) of the slider (40) is movable in a state of being in contact with the common wale.