JPH01124401A - Joint device - Google Patents

Abstract

PURPOSE: To certainly thread a joining article with an article to be joined by integrally providing a large number of filamentlike hook elements bent and having acute ends formed to the leading end parts thereof to the single surface of a sheetlike base piece in an erected state. CONSTITUTION: A large number of hook element rows each composed of a group of hook elements are parallelly arranged on the surface of a base piece 1 and the acute ends 4 of respective hook elements 2 of the same row are respectively turned in the same direction and the acute ends 4 of the respective hook elements 2 of the respective hook element rows are alternately turned in reverse directions in the same direction every other row. The acute ends 4 allow the hook elements 2 to engage with the textures or fiber bundles of an article to be joined. Therefore, the female element threaded with a joining jig 3 is dispensed with and the number of parts required in the joining of the joining article and an article to be joined is reduced by half to make it possible to simplify the structure of a joining medium and the labor for attaching one of joining jigs S to the article to be joined is eliminated to reduce cost. Especially, since each hook element 2 is formed of a filament material, the respective hook elements 2 can be certainly hooked with the article to be joined having a dense surface structure to thread the joining jig S with the article to be joined.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) This invention is a method for converting sheet-like bonded materials such as pieces of cloth into textile products and textile materials.
t of manufactured mountings etc. The present invention relates to a joining tool that serves as a joining medium for joining textile objects.

(Prior Art) As a conventional technology, there is, for example, Japanese Patent Publication No. 46-5419.

(Problems to be Solved by the Invention) Conventionally, for example, when two pieces of fabric are overlapped and joined together, a male body with a large number of hooks and a female body with a large number of loops are joined together. Since the hook group and the loop group were sewn to each other and the hook group and the loop group were interlocked to connect the two fabrics, a joining device with a male body and a female body was required to join both the fabrics. The object and the object to be welded are
The time required to do so was complicated and costly.

SUMMARY OF THE INVENTION The object of the present invention is to provide a joining tool capable of accurately joining an object to an object to be joined using a single joining medium.

(Means for Solving the Problems) The present invention provides a sheet-like base piece with a plurality of bent ends on one side thereof each bent to form a sharp end in order to hang onto an object made of I-fiber. The gist of this is a connector in which individual filament-like hook bodies are integrally erected.

(Function) A joint comprising a sheet-like base piece and a large number of filament-like hook bodies each erected in a bent state on one side of the base piece and each having a sharp end formed at its tip. The tool is attached to the object to be joined, and each hook body is hooked to the grain or fiber bundle of the object to be joined made of 1M fiber, and the object to be joined is firmly attached to the object through a single joining tool.

(Example) Next, a first example of the present invention will be described with reference to FIGS. 1 to 4.

A joining tool S, which serves as a joining medium for joining various sheet-like materials such as pieces of cloth to textile materials such as 1 mmM'' in a state of folding, is made up of a sheet-like base piece 1, The base piece 1 is provided with a plurality of hook bodies 2 to 2 which are each integrally arranged upright on the surface side of the base piece 1 and each curved into a hook shape, and in this example, the base piece 1 is made of a thermoplastic synthetic resin material. Each hook body 2 is made of a fiber material such as stainless steel wire or synthetic resin monofilament of about 20 to 30 microns and is elastically deformable, and the height of each hook body 2 is, for example, 100 to 1000 microns. Each hook body 2 is integrally embedded and fixed near its base end, and a hook body 2 whose length is shorter than that of the hook body 2 is provided on the surface side of the base piece 1. Continuous pile pieces 3 to 3 are implanted in each hook body 2 so as to face each other.

Near the tip of each hook body 2, a sharp end 4 is formed by cutting the filament material diagonally into a sharp shape in order to hang the hook body 2 on the grain or fiber bundle of the object to be joined. has been done.

On the surface side of the base piece 1, a large number of rows of hook bodies each having two groups of hook bodies arranged in a row are arranged in parallel, and each of the sharp ends 4 of each hook body 2 in the same row is oriented in the same direction, and The sharp ends 4 of the hook bodies 2 in each row of hook bodies are oriented in the same direction in every other row and alternately in opposite directions.

Incidentally, an adhesive is applied to the back side of the base piece 1 as necessary in order to adhere the base piece 1 to the bonded product of the iti-katai, and a release paper is affixed via this adhesive.

Next, a method for manufacturing the above-mentioned joining tool S will be explained according to FIG. to form a plurality of coil bodies 8 in which a large number of loops 7 to 7 are arranged in a row by winding the fiber material 5 many times at slight intervals, and then heat fixing the loop shape of the fiber material 5. Next, each coil body 8 is heat-treated together with the rod body 6 at a predetermined temperature.

Next, the surface layer of the base sheet material 9 formed in a sheet shape from a thermoplastic synthetic resin material is heated to melt and soften, and in this state, each coil body 8 is attached to the surface layer of the base sheet material 9. The lower ends of each coil body 8 are crimped and embedded in the surface layer portion, and the surface layer portion is hardened to be fixed to the base sheet material 9, and the plurality of coil bodies 8 are attached to the surface of the base sheet material 9. Attach parallel to the side. However, each coil body 8 may be adhered to the base sheet material 9 with an adhesive.

Furthermore, each loop 7 of each coil body 8 is cut diagonally at a position away from the top of each loop 7, that is, at a loop side position on one side of each loop 7 so that the cut end becomes sharp. Then, each rod 6 is removed from each coil body 8 to create a joint base material K. When cutting each loop 7, each coil body 8 is cut alternately at opposite loop sides.

Then, when the connector base material K is cut into an appropriate shape, a large number of hook bodies 2, each of which is formed by bending the fiber material 5 into a hook shape, are planted in a forest shape on one side of the base piece 1. Thus, it is possible to manufacture a joining tool S in which a sharp end 4 is formed at the tip of each hook body 2.

In addition, the cross-sectional shape of the rod 6 is formed into a heart shape, a semicircle shape, or a crescent shape to form the hook body 2 in FIGS. 4(a), (b),
It may be formed into the shape shown in (c). Alternatively, the two coil bodies 8 may be fixed to the base piece 1 in a joined state. Furthermore, the coil body 8 may be formed by winding the fiber material 5 around a rod body 6 bent in a zigzag shape, for example.

Next, the operation and effects of the embodiment having the above configuration will be explained.

Now, in this example, on one side of the sheet-like base piece 1, a large number of filament-like hooks are provided, each of which is bent and has a sharp end 4 at its tip, in order to hang it on a textile object to be joined. The bodies 2 are each integrally erected.

Therefore, there is no need for a female body that tightly attaches to the joining tool S, and each hook body 2 of the joining tool S can be entangled with the grain or fiber bundle of the object to be joined and hung accurately. Effects of reducing the number of parts required for joining objects to be joined by half, simplifying the structure of the joining medium, eliminating the labor required to attach one side of the joining tool S to the objects being joined, and reducing costs. There is.

In particular, since each hook body 2 is made of a filamentous material, it is possible to securely hook each hook body 2 and firmly attach the joining tool S even to objects having a dense surface structure. can.

Next, a second embodiment of the present invention will be explained according to FIGS. 5 and 6. In this embodiment, the base piece 1A of the connector S and the plurality of fibrous hook bodies 2A are each made of thermoplastic synthetic resin. The base piece 1A is formed by laminating an upper sheet piece 10 and a lower sheet piece 11, and
Each hook body 2A is erected in a cut-and-raised manner on the surface side of the upper sheet piece 10, and a lower sheet piece 11 is provided on the surface side of the base piece 1A to support the hook body 2A in an upright state. Protrusions 12 to 12 protruding closely from the base end of each hook body 2A on the top pass through holes 13 respectively opened in the upper sheet piece 10 by cutting and bending each hook body 2A. It stands out. The cross-sectional area near the tip of each hook body 2A gradually decreases toward the tip.
A sharp end 48 is formed at the tip of each of the parts A.

Each hook body 2 A 4. are arranged vertically and horizontally with respect to the surface side of the base piece 1Δ, and in this example, each sharp end 4A of each hook body 2A in the same row is oriented in the same direction, and each sharp end 4A of each hook body 2A in each row is The ends 4A are oriented in the same direction in every other row and alternately in opposite directions. However, the orientation direction of each hook body 2A in each hook body row can be set arbitrarily.

Next, a method for manufacturing the joining tool S of the second embodiment described above will be explained with reference to FIGS. 7 to 11.

As shown in FIG. 7, the contour shape of the hook body 2A is marked on the lower surface of the handling mold 14 provided for forming each hook body 2A under heating by hammering method, excluding the proximal edge of the hook body 2A. Molding protrusions 15 are curved along the contour of the hook body 2A so as to surround the hook body 2A, and are arranged in the vertical and horizontal directions.
are formed, and the width h1 and depth h2 of each molding recess 16 are stepped in a stepless manner toward the tip 16a of the recess 16.

Then, with the upper sheet material 18 placed on the fixing plate 17, the heated punching die 14 is moved down until each forming protrusion 15 is crimped onto the fixing plate 17, as shown in FIG. The sheet material 18 pressed by each protrusion 15 is cut by slits 19 along the outline of the hook body 2A except for the proximal edge of each hook body 2A. Pressurized by the molding recess 16, a large number of hook bodies 2A having the same shape as the molding recess 16 are individually hammered and molded.

On the other hand, as shown in FIG. 10, a large number of protrusions 12 are arranged in the vertical and horizontal directions at intervals equal to the arrangement interval of each hook body 2A.
The lower sheet material 20 on which ~12 is protruded is the upper sheet material 1.
Mold 8 and t separately. Then, the upper sheet material 18 is superimposed on the lower sheet material 20 and bonded so that each protruding piece 12 of the lower sheet material 20 is placed directly under the base end of the hook body 2Δ of the upper sheet material 18. When both sheet materials 18.20 are fixed by means or welding means, each hook body 2A! ! A connector base material K is formed in which the end portions are bent upward by each protruding piece 12 to stand up, and a large number of hook bodies 2A stand up in a forest shape on one side of the base piece sheet material 9B, A joining tool S can be produced by cutting this joining tool base material K into an appropriate shape. In addition to the shape shown in FIG. 5, the hook body 2A can be formed into the shapes shown in FIGS. 12(a) to 12(d).

Next, a third embodiment of manufacturing the joining tool S will be described with reference to FIGS. 13 and 14. A large number of fiber materials 5B wound in parallel around the roll 21 are pulled out from the roll 21. The base piece sheet material 9B is intermittently transferred with an appropriate number of rods 22 placed in parallel, and the recesses 23a into which each rod 22 is fitted are recessed on the lower surface. When the filament material 5B is stopped, the hot plate 23 is moved down to separate a part of the filament material 5B between each rod 22 and each recess 23a of the hot plate 23. A loop row in which a large number of loops 24 are arranged in a row is formed by inserting the loops 24 into a loop shape, and each loop 24 is heat-set. heat weld to the sheet material 9B. Then, in the same manner as in the first embodiment, each loop 24 is cut to form a joining tool INK, and this joining tool base material K is cut into an appropriate shape to produce a joining tool.

Next, a fourth embodiment of manufacturing the connector S will be described with reference to FIGS. 15 to 17. For example, a large number of hook strips 26 curved in an S-shape may be punched out using a punching die 14A configured in substantially the same manner as the punching die 14 in the example, or the fibrous material 5C may be formed in the same manner as in the first embodiment. A coil body 28 formed by winding a large number of times around a rod body 27 is heat-set, and then a portion of each loop of the coil body 28 is cut diagonally, the rod body 27 is extracted, and a large number of C. form a shaped hook strip 26. Then, a large number of hook strips 26' are randomly fixed in an upright state on a base piece sheet material whose surface is coated with adhesive using an electrodeposition flocking machine to form a connector base material.
A joining tool can be produced by cutting this joining tool base material.

Note that the operations and effects of the second to fourth embodiments are substantially the same as those of the first embodiment, so their explanations will be omitted. In addition to the above-mentioned examples, methods for creating the joint base material include a method in which a pile cloth is created using woven iso, tram, sewn iso, etc., and then the pile is heated and cut. May be adopted.

(Effects of the Invention) That is, in the present invention, on one side of a sheet-like base piece, a large number of filaments are formed, each of which is bent and has a sharp end at its tip, in order to be attached to a textile object to be joined. By erecting the hook bodies in the form of one piece, there is no need for a female body that tightly attaches to the joining tool, and each of the hook bodies can be accurately hooked to the object to be joined to cover a single joining tool. It can be tightly attached to the object to be joined, and has the effect of reducing the number of parts required for joining the object and the object to be joined by half, thereby reducing the labor involved in attaching the joining tool.

[Brief explanation of the drawing]

1 to 4 show a first embodiment of the present invention, in which FIG. 1 is an enlarged side view of the joint, FIG. 2 is a perspective view, and FIGS. 3 (A), (B), (C) is a perspective view showing the tJ construction process of the joint tool, and FIG. 4 (A). (b) and (c) are enlarged side views showing other examples of the hook body, Figs. 5 to 12 show the second embodiment of the present invention, and Fig. 5 is an enlarged side view of the joining tool; Figure 6 is Xl-X of Figure 5.
I-line enlarged cross-sectional view, Figure 7 is a back view of the punched hole used for forming the contact fitting, Figure 8 (A)
, (0) and (c) show the molded state of the hook body in Figure 7 (7).
X2-X21i1. Expanded vertical cross-sectional views shown along the X3-X3 line and the X4-X4 line, FIG. 9 is a plan view of the upper sheet material, FIG. 10 is a plan view of the lower sheet material, and FIG. 11 is an exploded view of the connector base material. Cross-sectional view, Figure 12 (a), (b), (
c), (d) are enlarged side views showing other examples of the hook body, 1st
Figure 3 is a side view showing the third embodiment of the method for manufacturing a connector, Figure 14 is a perspective view of the base material of the connector, and Figure 15 is a handling mold used in manufacturing the connector of the fourth embodiment. back view, 1st
FIG. 6 is a perspective view showing the coil body in the fourth embodiment, and FIGS. 17(a) and 17(b) are plan views of the hook strip, respectively. 1.1A...Base piece 2.2A...Hook body 4.4A...Sharp end S...Connector applicant Tsu 1) Promotion agent Patent attorney Hidehiko Okada (1 other person) No. 1 Figure 20

Claims (1)

[Claims] On one side of the sheet-like base piece, a large number of filament-like hook bodies, each bent and each having a sharp tip at its tip, are integrally erected in order to hook onto a fiber object to be joined. A joint tool characterized by: