JP3210304B2 - Coil fastener fittings - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coil fastener joint made of plastic fabric such as a papermaking dryer canvas and a mesh belt.

[0002]

2. Description of the Related Art A papermaking dryer canvas used as a plastic fabric, for example, in a dryer part of a paper machine, has a canvas body woven with a warp and a weft composed of synthetic fibers, and joints are provided at both ends of an end-shaped dryer canvas body. A part is provided, and both ends are connected and used as an endless shape. As a conventional joint, a weft is removed from both ends of an end-shaped canvas body, and a cord-shaped warp exposed by removing the weft is folded back. A warp loop seam structure joint for weaving the portion into the canvas body, meshing the warp loops formed at both ends of the canvas body, and inserting and connecting the connecting core wire to the warp loop common hole formed by meshing; A spiral filament made of synthetic resin monofilament is engaged with the warp loop, and a spiral wire fixing core wire is inserted into a common hole formed by meshing, and the spiral filaments formed at both ends of the canvas body are engaged with each other. Spiral seam joints are commonly used to connect and connect the connecting core wire to the spiral wire common hole formed by meshing It has been.

A coil-shaped fastener element made of a single synthetic resin wire preformed so as to lock each other in consideration of the easiness of joining and separating the joint portion from the general joint described above. 2. Description of the Related Art A coil fastener joint has been conventionally known in which a so-called coil fastener is used as a joint for a papermaking dryer canvas, in which a joint is formed by a slider using rows. For example, 50-7
No. 6101 discloses a paper dryer in which tapes each having a spiral element row (coil-shaped fastener element row) sewn to one end thereof are sewn to both ends of the canvas, meshed with each other, and a core wire is inserted into a common gap. A canvas junction is disclosed. Also, JP-A-60-48
No. 702 discloses a zipper coil (coil-shaped fastener element row) formed in advance so that an interference fit is obtained at both ends of a woven fabric used for papermaking, and the zipper coils are engaged with each other. A seam (coil fastener joint) in which a pin is inserted into a cylindrical pipe to be formed, and a seam forming tool (slider) are disclosed.

[0004]

However, in the canvas industry and the papermaking industry, the use of these coil fasteners as coupling members for papermaking dryer canvases has not been heard of in practice. is there. The reason for this is, for example, that
In the joint described in Japanese Patent Application Laid-Open No. 1 (1993) -1995, a tape having a spiral element row sewn to one end thereof is arranged on the canvas body, so that an uneven portion is formed at the canvas joint portion. In addition, there is a problem such as inferiority, abrasion, breakage, and the like, and a mark may be generated in a wet zone of high-grade paper. In addition, Japanese Patent Application Laid-Open No.
In the seam (coil fastener joint) described in JP-A-0-48702, since the zipper coil (coil-shaped fastener element row) is directly connected to the woven fabric body, there is no problem in terms of surface smoothness as described above. In order to obtain an interference fit, it is necessary to adjust the warp density of the canvas body according to the coil density of the zipper coil (number of meshing heads / inch). However, for canvas applications that are made to order for a wide variety of paper machine dryer parts, there is a disadvantage that the canvas specifications (particularly the canvas dimensional stability and air permeability related to the warp density) are restricted for the above reasons. Yes, and since the zipper coil is directly attached to a highly rigid woven fabric, the slider Waseshi and inconvenience difficult, because although Jippakoiru having meshing head there is disadvantage bonding wire than the spiral filament to be used for normal spiral seam joint is hardly inserted.

In view of the above problems, the present inventors have found that the present invention can be applied to a papermaking dryer canvas or the like custom-made to various specifications, and that the mutual coiled fastener element rows are engaged with each other. An object of the present invention is to provide a plastic woven coil fastener joint that is easy to lock and easy to insert a joining core wire.

[0006]

SUMMARY OF THE INVENTION A coil fastener joint according to the present invention comprises a coil made of a single stretchable synthetic resin wire rod preformed at each end of a plastic fabric body so as to lock each other. The string-shaped fastener element rows are attached to the loops of the warp constituting the plastic woven fabric body, and the coiled fastener element rows at both ends are engaged with each other from above and below, and are joined to a common hole formed by the engagement. in Koirufuasuna joint plastic fabric so as to bond by inserting the core wire in an endless shape, and the coiled off Asuna over the element rows is approximately with respect to the reference length when forming type 1-2
Is Shin length at 5% of the range, the element rows constitute
In a state where the coupling head distance is spread directly, characterized in that said are flops la <br/> stick fabric constituting the body taken in the folded loop warp <br/> Ri with al Koirufuasuna With the joint, the element collar of the coiled fastener element row is used for joining where the element row is blocked.
With a Coil <br/> Rufuasuna joint, which is a visible translucent color core, it solves the above problems.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A coil fastener joint according to the present invention will be described in detail below based on the illustrated embodiment.

FIG. 1 is a side view of a coil fastener joint according to the present invention. FIG. 2 shows a plan view of the coiled fastener element row during molding. FIG. 3 shows a side view of the coiled fastener element row of FIG. 2 as viewed from the engagement head side. FIG. 4 is a perspective view of a coil fastener joint forming slider that engages the coil-shaped fastener element rows with each other from above and below.

[0009] The coil fastener joint (1) of the present invention comprises:
As shown in FIG. 1, a coiled fastener element row (3) made of a single synthetic resin wire having elasticity, which is pre-molded to mutually lock each other, at each of both ends of a plastic woven fabric body (2). (Hereinafter simply referred to as this element row) is stretched within a range of about 1 to 25% with respect to a standard length dimension at the time of molding to form a folded loop (5) of a warp (4) constituting a plastic woven fabric main body. A plastic that is entangled and attached, and the element rows at both ends are engaged with each other from above and below, and a joining core wire (7) is inserted into a common hole (6) formed by the engagement so as to be joined endlessly. It is a coiled fastener joint of a woven fabric, and a common warp loop seam structure joint and a spiral seam structure joint that have been widely used in the past as described above, with a joining core wire, It is intended to bond holding the two ends of the plastic fabric.

[0010] Further, the coil fastener joint of the present invention comprises:
At the time of actual joint formation, the element rows can be easily engaged with each other from above and below by the slider (8). Therefore, compared with the conventional joint, joining and separation of the joint portions can be a joint which is much more labor and time intensive.

In the state where the present element row is attached to the plastic fabric, an interference fit enough to have a joining strength as a fastener for joining and holding a general double-sided base fabric is not so important. After the rows are meshed with each other, it is sufficient that a common hole is formed in such a manner that the meshing is prevented from being disengaged by a slight external force and that the joining core wire is inserted. That is, in the present invention, in order to maintain a tight interference fit between the element rows as in the related art, the warp density of the plastic fabric is not adjusted according to the coil density of the element rows, but the By extending the element row in the axial direction, the coil density of this element row is adjusted according to the warp density of the plastic fabric. By adopting such a joint forming means, it can be used for various custom-made canvas applications. Can also be adapted, and can be a joint in which the element rows can be easily engaged with each other from above and below.

[0012] It is preferable that the extension range is extended in a range of about 1 to 25% with respect to a standard length dimension at the time of molding of the element row. Here, the reference length dimension at the time of molding is a predetermined reference in the axial direction in the state where no external force is applied to the element row composed of a single synthetic resin wire rod having elasticity that has been molded in advance to lock each other. Refers to the length dimension. Extension is 2
If it exceeds 5%, not only the joining strength between the present element rows becomes too weak, but also the form maintenance and durability of the present element rows themselves are inferior, and they are unsuitable as joint members. Conversely, if the elongation is less than 1%, the warp density of the plastic woven fabric main body is likely to be limited, and at the same time, when the element rows are engaged with each other from above and below, it becomes difficult to engage and lock. More preferably, it is extended in the range of 5 to 20%.

Conventionally, coil fasteners are, for example, shown in FIG.
As shown in (1), the coil-shaped fastener element row (3) is used by joining the end of the cloth-like tape (10) having low rigidity, so that the coil-shaped fastener element rows are mutually locked by the joint forming slider. When stopping,
A lateral meshing type joint forming slider (3h) in which the meshing heads (3h) of the coil-shaped fastener element rows mutually mesh in a Y-shape from both left and right directions on the same plane as if the teeth of the spur gear mesh with each other. Locked in 11). However, as in the present invention, the coil-shaped fastener element row is directly used without using cloth tape.
When attached to a highly rigid plastic woven fabric, the meshing heads of the coiled fastener element rows in a Y-shape from both left and right directions on the same plane as if the spur gears are meshing with each other, it is possible for the woven fabric to be meshed. The higher the rigidity, the more difficult. Therefore, when the element rows are engaged with each other in the vertical direction, it is better to increase the axial extension rate of the element rows when the element rows are engaged. The distance between them becomes wider, and the meshing head of one element row (3h)
Can be easily inserted between the meshes (3d) of the other element row. Therefore, the elongation rate is preferably as large as possible in terms of meshing between the element rows. However, the bonding strength between the element rows until the core wire for bonding is inserted (the tensile strength at both ends of the plastic fabric in this case). In this regard, the larger the elongation ratio, the lower the bonding strength. Therefore, it is more preferable that the elongation rate is extended by 1 to 25% with respect to the reference length dimension at the time of molding the element row. More preferably, it is 5 to 20%.

This element row is formed, for example, by coil-forming a heat-and-heat-resistant synthetic resin monofilament usually used for a dryer canvas, and then pressing a portion corresponding to a joint head molding portion of the monofilament in the transverse direction of the monofilament. Forming a mating head that bulges into
Alternatively, it can be obtained by molding the engaging head of the above-mentioned form at predetermined intervals of the synthetic resin monofilament in advance, and thereafter coil-molding the monofilament. This element row is not specially molded, but should be molded to the same standard as the coiled fastener element row used for coil fasteners used for clothing and bag applications that are commonly used. used. For example, a moisture and heat resistant polyester monofilament having a wire diameter of 0.6 mm is formed into a coiled fastener element row having a coil density of 21 (number of meshing heads / inch), and a wire diameter of 0.8.
mm heat and moisture resistant polyester monofilament molded into a coiled fastener element row having a coil density of 16 (number of meshing heads / inch), and a moisture and heat resistant polyester monofilament having a wire diameter of 1.1 mm having a coil density of 11.5 mm.
It is preferable to use a coil-shaped fastener element row (number of meshing heads / inch). In the present invention,
Taking the above-mentioned coiled fastener element row as an example, for example, a double-woven texture plastic woven fabric having a warp density of 70 (pieces / inch) has a coil density of 21 (number of meshing heads / inch).
Is extended by about 20% to form a warp loop for every four warps of the plastic fabric, and the warp loop and the coiled fastener element row are connected to each other as shown in FIG. So as to straddle the element row (3) and the fixing core wire (12) at the same time,
By entangled and attached, the mutual density of the warp loop density and the coil density becomes equal, and a coil fastener joint having no problem in meshing the element rows can be obtained. Similarly, for a double-woven texture plastic woven fabric having a warp density of 60 (pieces / inch), a coiled fastener element row having a coil density of 15.8 (number of meshing heads / inch) is approximately 5.
By elongating by 3%, forming a warp loop for every four warp yarns of the plastic woven fabric, and attaching the warp loop and the coiled fastener element row so that the warp loop density and the coil density are mutually reciprocal. Equivalent
A coil fastener joint having no problem in meshing the element rows can be obtained. In this way, by extending the element row within the above numerical limitation range in order to match the coil density of the element row with the warp loop density, it can be used for a wide variety of custom-made canvas applications, and A coil fastener joint which can be easily engaged and locked from above and below is obtained.

In order to mesh the element rows with each other in the vertical direction, a slider for forming a joint for vertical engagement may be used. For example, as shown in FIG. 4, one side open insertion slot into which one of the coiled fastener element rows is inserted, and the other side into which the other element row is inserted, are provided on the front end vertical surface of the slider. An open insertion opening is formed, and each insertion opening has an element row meshing region which is shifted from each other in the vertical direction on the front end vertical surface and partially overlapped in the horizontal direction, and is provided behind the slider. The vertical direction on the end vertical surface,
A common outlet on both sides having the same area in both the left and right directions is formed, and a continuous oblong hole for guiding each coiled fastener element row inserted from the insertion port to the common outlet is formed in a vertical surface on both left and right ends of the slider. And a slider for forming a coil fastener joint which is provided with a guide locking groove having a pressure locking body for engaging the coil element rows with each other.

Further, it is preferable that the element color of the present element row be a translucent color. In this method, after joining and locking the element rows, the joining core wire is inserted into the common hole, which is a gap between the element rows formed by the engagement, but the element collar is made translucent at the time of insertion. By making the colors, the degree of insertion of a core wire that is not obstructed by the originally meshed element row can be easily seen, and the work of inserting the core wire can be further facilitated. Translucent monofilaments have been widely used in the past, and can be obtained by molding this into a coiled fastener element row as a raw yarn. Here, the translucent color indicates a transparent color that is more transparent.

Although the present invention has been described based on the illustrated embodiment, the present invention is not limited to the embodiment, and various modifications may be made to the specific structure within the scope of the present invention. It goes without saying that it is good.

[0018]

As described above in detail, according to the present invention, the coiled fastener element array is attached to the plastic woven fabric while being extended within the range of 1 to 25%, so that it can be used in a wide variety of applications such as canvas use. Thus, a coil fastener joint which can be used for a plastic woven fabric and is easy to engage and lock can be obtained. Also,
By making the element color of the coiled fastener element row a translucent color, it is possible to obtain a coil fastener joint in which the joining core wire can be more easily inserted. By obtaining such a coil fastener joint, it is possible to obtain a joint in which joining and separation of the joint portion are much more excellent in terms of labor and time than conventional joints.

[Brief description of the drawings]

FIG. 1 is a side view of a coil fastener joint of the present invention.

FIG. 2 is a plan view of a coiled fastener element row during molding. is there.

FIG. 3 is a side view of the coiled fastener element row of FIG. 2 as viewed from the engagement head side.

FIG. 4 is a perspective view of a slider that meshes the coiled fastener element rows with each other from above and below.

FIG. 5 is a plan view of a general coil fastener.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Coil fastener joint 2 Plastic fabric 3 Coiled fastener element row 3h Meshing head of coiled fastener element row 3d Intermeshing section of coiled fastener element row 4 Warp 5 Folded loop 6 Common hole 7 Joining core wire 8 Vertical meshing Slider for forming joints of type 9 Weft 10 Cloth tape 11 Slider for forming joints of lateral meshing type 12 Core wire for fixing coiled fastener element row

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masaaki Kojima 4919-3 Gofuku, Toyama-shi, Toyama Prefecture (72) Inventor Kiyoshi 2635-3, Kamikoizumi, Namerikawa-shi, Toyama Examiner Shigeharu Chiba (56) References Akira Mikai 50-76101 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A44B 19/40 D03D 1/00 D06H 5/00 D21F 1/12 D21F 7/10

Claims (2)

(57) [Claims] 1. A plastic woven fabric body comprising a coil-shaped fastener element row made of a single synthetic resin wire having elasticity and formed in advance at both ends of a plastic woven fabric body so as to be mutually locked. The coiled fastener element rows at both ends are engaged with each other from above and below, and the joining core wire is inserted into the common hole formed by the engagement so as to be joined endlessly. in Koirufuasuna joint plastic fabric was, the coiled off Asuna over element rows is about 1 with respect to the reference length when forming type
Is Shin length in the range of 25%, the element columns configure
That in a state where the coupling head distance is spread directly Koirufuasuna joint, characterized in that attached <br/> the folded loop of the warp constituting the flop <br/> plastic fabric Body. 2. A joining method in which an element collar of a coiled fastener element row is blocked by the element row.
2. The coil fastener joint according to claim 1, wherein the joint is of a translucent color that allows the core wire to be viewed .