JPH0832245B2 - Synthetic resin end stop connecting band for slide fastener and mounting method of the end stop - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an end stopper such as an upper stopper and a lower stopper of a slide fastener, and more particularly to a connected end stopper and a method of mounting the same. Is.

[Conventional technology]

As a conventional end stopper of a slide fastener, for example, as shown in Japanese Utility Model Publication No. Sho 63-1855, in the case of a metal end stopper, an end stopper A above one end of a metal Y-shaped cross section
Was cut, and the forked part of the separated upper stopper A was straddled over the edge of the fastener tape, and this was caulked and attached. Similarly, for the lower stopper B, the length of the lower stopper B is cut from one end of the modified wire having an X-shaped cross section, and the two forked portions on both sides of the separated lower stopper B are attached to the fastener tape. It was mounted by staking over the edge.
(See FIG. 11 and FIG. 12) And, as for the end stopper made of synthetic resin, see, for example, Jikho Sho 57.
As shown in Japanese Patent No. 57944, an end stopper is attached by injection molding a synthetic resin directly onto the edge of the fastener tape using a machine for injection molding of the end stopper.

[Problems to be Solved by the Invention]

In the case of conventional metal end fasteners, slide fasteners using synthetic resin teeth do not harmonize in terms of feeling, and because they have the same color as synthetic resin teeth, There was a paint on the surface, but there is a problem that it will be peeled off due to collision with the slider or washing, and it will be unsightly.There is also a device for cutting the irregular line even when attaching the end stop. Since the size of the end stoppers is different, it is not easy to organize and store the colors according to the colored ones, and the color change in the end stopper mounting machine cannot be performed smoothly.

Also, for synthetic resin end stoppers, the heat management of the injection molding machine that injection-molds the end stoppers and the setting of the product to the molding die are complicated and the handling is not easy. It took time and there was a waste of time and materials to change colors, which was a problem.

Therefore, the present invention has been made to solve the above-mentioned problems, and the end stoppers can be easily arranged and stored, and the end stoppers can be easily supplied to the mounting machine, the mounting work, the color change, etc. It is an object of the present invention to provide a synthetic resin end stop connecting band for a slide fastener and a method of attaching the end stop that can be performed.

[Means for solving the problem]

In order to achieve the above-mentioned object, the present invention comprises a plurality of synthetic resin upper stoppers 2,2a having a bridge portion 6 with a thin thickness formed in the center thereof, which are connected in series by flexible connecting members 3,3a. And a synthetic resin end stop coupling band for slide fasteners.

Also, a large number of synthetic resin lower stoppers 2b each having a bifurcated upper and lower leg portion 7b on the left and right sides are connected in series by a flexible connecting member 3b to form a slide fastener composite. It is a resin end stop connecting band.

Further, attach a plurality of synthetic resin end stoppers 2 and 2a to both ends of the bridge portion 6 so that the neck portion of the cut becomes narrower.
You may comprise by the upper stop 2,2a provided with the bridge part 6 in which the notch 4 which has the protrusion parts 5,5 which were made to protrude in an arc shape from 7,7a is formed.

Then, a plurality of synthetic resin end stoppers 2, 2a, 2b are connected in series by flexible connecting members 3, 3a, 3b to each other in series, and the synthetic resin end stopper connecting bands 1, 1a, 1b for slide fasteners are terminated. Supplied to the fastener attaching processing machine, cut from the tips of the connecting belts 1, 1a, 1b at the portions of the flexible connecting members 3, 3a, 3b and end stoppers 2, 2 one by one
Separate into a and 2b, and send the separated end stoppers 2, 2a and 2b to the end stopper attachment portion of the fastener tape 10, and attach the end stoppers 2, 2a and 2b by heating and welding means. An end stopper made of a synthetic resin for a slide fastener is attached to the end portion of the connecting band.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an end stopper coupling band 1 of the present invention, and this embodiment shows an example of an upper stopper 2 attached to an upper end portion of a coupling tooth row 12 of a slide fastener. As shown in FIG. 1, the end stop connecting band 1 is formed by connecting a plurality of synthetic resin upper stops 2 in series with a flexible connecting member 3 such as a fiber thread or a synthetic resin monofilament. It is a connection. Each of the upper stoppers 2 has leg portions 7, 7 which are attached to the edges of the fastener tape 10 from the front and back sides on both sides of the central notch 4 as shown in FIG. A flexible connecting member 3 for connecting the upper stoppers 2 of adjacent members is embedded in one side portion of the leg portion 7. As shown in FIG. 3, a groove portion 8 is provided on the inner side of the leg portion 7 so that the core portion 11 at the edge portion of the fastener tape 10 is fitted when the leg portions 7 and 7 are bent from the center and sandwiched. ing. In addition, there is a notch 4 cut from the top and bottom in the center, the middle part of which is connected to form a bridging part 6. This bridging part 6 is accurate when bending both legs 7, 7 as shown in FIG. In addition, it is configured to be thinner than the thickness of the leg portion 7 so that it can be bent easily. Then, as shown in FIG. 1, the notch 4 has both legs so that the neck is narrowed.
Projection parts 5, 5 that protrude in an arc shape from 7, 7 are formed,
The protrusions 5 and 5 are shown in FIG. 5 so that when the leg portion 7 is bent at the bridging portion 6, it is prevented from being caught by clothes due to angular burrs formed at both ends of the bending of the bridging portion 6. As shown in the figure, it is provided adjacent to the bridge portion 6 so as to project from both bent ends of the bridge portion 6.

3 and 4 show a state in which the upper stopper 2 which is cut by cutting the end stopper connecting band 1 from the cutting line 18 as shown in FIG. 1 is attached to the fastener tape 10, and is cut off. As shown in FIG. 3, the upper stopper 2 has both legs 7, 7 bent inward from the central bridge portion 6, and the core 11 provided at the edge of the fastener tape 10 is grooved in the leg 7 from the front and back. 8 so that it fits into the ultrasonic vibration horn 13 as shown in FIG.
It is pressurized and heated by a heating device such as an anvil 14 and the core portion 11 and the leg portions 7, 7 of the fastener tape 10 are welded as indicated by reference numeral 15 in FIG. Install on the upper end of the tooth row 12.

FIG. 6 shows a state in which the end stop connecting band 1 is attached to the end stop mounting machine and supplied, and the end stop connecting band 1 is easily bent at the flexible connecting member 3. Therefore, as shown in FIG. 6, it can be wound around the reel 16 or the like for storage and is convenient to handle. Attach the reel to the stand
It is supplied to the chute 17 of the attachment processing machine in a continuous state from 16, and the end material which is separated by cutting the connecting material 3 one by one from the lower end of the chute 17 is sent to the welding processing part to the Fausner tape 10. It is attached. Therefore, it is possible to easily change the color of the end stopper by simply replacing the reel.

The end stopper connecting band 1 includes a mold provided with cavities for molding a plurality of end stoppers in the longitudinal direction of the mold, and the flexible connecting members 3 are arranged on both sides in the longitudinal direction along the cavity. , Injection molding synthetic resin into this mold and connecting material 3 at once
A plurality of end stoppers connected with each other are molded. By further repeatedly and continuously performing injection molding using this mold, a longer end stopper coupling band 1 can be obtained. In addition to injection molding, continuous molding can also be performed by providing a lot of end stopper cavities around the die wheel and extruding synthetic resin on the die wheel.

The end stopper connecting band 1a shown in FIG. 7 is formed by connecting the leg portions 7a of the adjacent upper stoppers 2a by a connecting portion 3a integrally formed of synthetic resin instead of the flexible connecting member 3. As shown in FIG. 8, 3a is made thinner than the thickness of the leg portion 7a so that the connecting portion 3a can easily cut from the cutting line 18a.

9 and 10 show an embodiment in which a lower stopper 2b for attaching the end stopper connecting band 1b to the lower end portion of the coupling tooth row 12 of the slide fastener is connected. The end stopper coupling band 1b includes a lower stopper 2b having upper and lower leg portions 7b that are bifurcated on the left and right sides,
The upper and lower leg portions 7b are connected by flexible connecting members 3b, 3b embedded in the tips thereof. Then attach the bottom stopper 2b to the 10th
As shown in the figure, in order to attach to the edge portion of the fastener tape 10, as in the case of the end stopper connecting band 1 of the upper stopper 2 described above, it is wound around a reel, and the reel is attached to a shout of a machine for attaching end stoppers. The lower stoppers 2b, which are continuously supplied and cut by separating the flexible connecting members 3b, 3b from the lower end of the chute, are individually fed to the welded portion and attached to the fastener tape 10.

〔The invention's effect〕

As described above, the present invention includes a large number of synthetic resin upper stoppers each having a bridge portion formed to have a reduced thickness in the center, and upper and lower leg portions that are bifurcated to the left and right respectively. Since a large number of synthetic resin lower stoppers are connected to each other in series by flexible connecting members, the upper stopper and the lower stopper can be easily wound and stored. Can be easily organized and stored, and can be smoothly and easily supplied to the end stopper attachment processing machine. Especially when changing colors, it can be easily replaced with the upper and lower stoppers of the required color, and the upper and lower stoppers can be directly injection-molded and mounted using a machine dedicated to injection molding of end stoppers. Compared with the above, the replacement time due to the color change can be greatly saved, and there is no waste of material due to it, which is very convenient and inexpensive to install. And in the upper stopper,
Since the bridge portion having a thin thickness is provided in the center, the upper stopper can be bent accurately and easily from the center during mounting, and the mounting work in the mounting machine is facilitated.

Also, in the case where both ends of the bridge part are connected to the upper stopper with notches formed with protrusions protruding from both legs, the catches that occur at the bridge part due to the bending of the upper stopper are prevented. It is possible to prevent the user from feeling uncomfortable when the slide fastener attached with this is attached to clothes or the like and used.

Then, in order to attach the end stops to the fastener tape using the end stop connection band of the present invention, the end stop connection bands are continuously supplied, and the end stops are cut and separated one by one from the tip thereof and supplied. Therefore, the supply work becomes very easy and easy, and the mounting machine itself can be simplified, and the synthetic resin end stopper can be easily installed not only at the slide fastener manufacturing plant but also at the processor handling the slide fastener. This is a very useful invention as it becomes possible.

[Brief description of drawings]

FIG. 1 is a plan view of an end stopper connecting band of the present invention, and FIG.
II-II line sectional drawing, FIG.3 and FIG.4 is each sectional drawing which shows the attachment state of an end stop, FIG.5 is a perspective view which attached the end stop (upper stop) to the fastener tape. FIG. 6 is a perspective view showing a state in which the end stopper connecting band is wound on a reel and supplied to a mounting machine, FIG. 7 is a plan view of another embodiment, and FIG.
Fig. 9 is a sectional view taken along the line VIII-VIII in Fig. 9, Fig. 9 is a perspective view of an end stopper connecting band of the lower stopper, and Fig. 10 is a perspective view in which the end stopper (lower stopper) is attached to the fastener tape. FIG. 12 and FIG. 12 are perspective views of a conventional example of an upper stopper and a lower stopper, respectively. 1,1a, 1b …… End stop connecting band 3,3a, 3b …… Flexible connecting material 4 …… Incision 6 …… Bridge part 7,7a, 7b …… Leg part 10 …… Fusner tape 12 …… Service Tooth row 18,18a ... Cutting line

Claims (4)

[Claims] 1. A plurality of synthetic resin upper stoppers (2) (2a) having a bridge portion (6) having a thin center portion.
Is a synthetic resin end stop connecting band for slide fasteners, which are connected to each other in series by flexible connecting members (3) and (3a). 2. A plurality of synthetic resin lower stoppers (2b) having upper and lower legs (7b) which are bifurcated to the left and right, respectively, are connected in series by a flexible connecting member (3b). Synthetic resin end stop connection band for slide fasteners that are connected. 3. A plurality of synthetic resin upper stoppers (2) (2a)
However, at both ends of the bridge portion (6), a notch (4) having protrusions (5) and (5) that are arcuately protruded from both leg portions (7) and (7a) so that the neck portion of the notch becomes narrower (4) 2. The synthetic resin end stop coupling band for slide fasteners according to claim 1, which is an upper stop (2) (2a) provided with a bridge portion (6) formed with (1). 4. A large number of synthetic resin end stoppers (2) (2a).
Synthetic resin end stop connecting strips for slide fasteners (1) (1a) (1b) in which (2b) are connected to each other in series by flexible connecting members (3) (3a) (3b) It is supplied to the machine and cut at the flexible connecting members (3), (3a) and (3b) from the ends of the connecting belts (1), (1a) and (1b), and one end stopper (2) (2a) and (2b) are separated, and the separated end stoppers (2), (2a) and (2b) are sent to the end stopper attachment portion of the fastener tape (10), and the end stopper (2) is heated and welded.
(2a) (2b) is attached to the slide fastener synthetic resin end stopper A method of attaching the end stopper of the connecting band.