JP3075455B2 - Joining method of continuous fastener chain - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a continuous fastener chain formed of a thermoplastic synthetic resin material having spaces at predetermined intervals , or a slider from each space.
ー, continuous fastener chain with upper stopper and lower stopper
The present invention relates to a joining method for connecting technicians in a space .

[0002]

2. Description of the Related Art Conventionally, in order to join long fastener chains or continuous fastener chains, the ends of the fastener chains are butted, a gold adhesive tape is stuck on the butted portions, and a stapler needle is placed on the tape. A method of joining with stopping at the end was adopted.

[0003] In addition, a length formed from a thermoplastic synthetic resin material.
As a joining method of continuous fastener chain, the fastener Jer
Overlap the ends of the fastener tape from which the
Pressure The overlapped portion by ultrasonic machining or high frequency processing
By condensation welding, bonding the fastener tape, this junction portion
Long fastener chain with fastener elements attached
Manufacturing method (see Japanese Patent Application Laid-Open No. 62-8703).
Is known.

Further, a fastener tape formed of a thermoplastic synthetic resin material provided with a core string for attaching an articulator is vertically cut, and the cut portion is heated and melted, immediately butted and welded, and the welded butted joint is welded. There is known a method of joining a fastener tape in which a portion is pressed and formed so as not to have a step with the other portion and the periphery of the butt joint is covered with a molten synthetic resin film (see Japanese Patent Application Laid-Open No. 2-239805). .

[0005]

Butting fastener chain together known from INVENTION Problems to be Solved] Conventionally, attaching the gold adhesive tape that portion, a method of joining stop at staples thereon is stepped at the junction of the fastener chain At the time of finishing or sewing fastener chains, the joints become obstacles and stop the operation of the machine or stop the transfer of fastener chains, which causes a problem in production.
You .

Also, the ends of the fastener tape are overlapped with each other.
Compression welding, bonding fastener tape, long fastener
In the method for producing chains, the polymer welding portion of the fastener tape is inflexible and rigid, so even if continuous fasteners are used.
Be applied to a junction of Sunachien, Ri Do a bonded portion in various processing steps failure, and processing can not be smoothly Question
There is a point.

Further, a butt joint of a fastener tape
Fastener that covers the periphery of the body with a molten synthetic resin film
-The joining method of the tape is the joining of the fastener tape, and when the joint is hardened because it is rigid, when the continuous fastener chain is finished, if this joint exists, it will be used for bags etc. and continuous automatic sewing will be performed In addition, there is a problem in that it is uneconomical because the cloth, such as a zipper chain having a joint portion and a sewn bag, must be discarded together.

[0008] The present invention has been made in consideration of the conventional problems, and is described in claim 1 of the present invention.
You may contact the continuous fastener chain with each other with a space portion
Continuously, it is formed in an endless state, and various processes are continuously performed.
What efficiently model improves performs work efficiency, and continuous full Asuna <br/> joint always space portion near the Chien, slide
When finished as a fastener, the joints will not hinder
Ku, without impairing the commercial value, in order to obtain a continuous fastener chain, it is the primary object to provide a contact accompaniment method continuous fastener chain.

[0009] The invention according to claim 2 provides the invention according to claim 1.
In addition to the purpose of Ming, the slider to the continuous fastener chain,
Continuous fastener chains equipped with upper and lower stoppers
Connected to form an endless state, such as pants
Sewn on the placket or bag fabric automatically
Continuous fasteners that can be manufactured and improve productivity
Of continuous fastener chain joining method to obtain
The purpose is to do.

[0010] The third aspect of the present invention is the first or second aspect.
In addition to the objects of the described invention, continuous fastener chains
When connecting and forming an endless state, the occlusion removal part
And the entire width of the fastener chain
To obtain a continuous fastener chain with a tough joint
To provide a continuous fastener chain joining method.
Is the purpose.

[0011] The invention described in claim 4 is the first or second aspect of the present invention.
In addition to the object of the invention is the third aspect, the continuous full of endless state
High quality continuous fasteners with no defects in fasteners
Joining of continuous fastener chains to obtain nut chains
The purpose is to provide a method.

[0012]

To achieve the previous SL object of Means for Solving the Problems], According to one aspect of the invention, the continuous fastener formed from a thermoplastic synthetic resin material having a space portion 4 at predetermined intervals connect the chain 1 each other in an endless state
To make continuous fastener chain 1 at its end.
Continuous fastener cut at the space portion 4 that, placed in a continuous <br/> state butt fastener chain 1 between the cut at the space portion 4, joining the continuous fastener chain 1 at least by welding the咬合Ko removing unit 8 The main configuration is the joining method of chains .
Ru shall Der.

The continuous fastener referred to in the present invention.
Is a zipper with spaces at regular intervals
Zipper chain and the long fastener chain
Finger with a long fastener chain without a base
It is something.

[0014] The invention according to claim 2 is the invention according to claim 1.
In addition to the bright configuration, inserted from the space portion 4 of the continuous fastener chain 1 in the fastener chain 1 to form the ends of the continuous fastener chain 1 which has been fitted with a top end stop 11 and bottom stop 12 before and after switching by placement into a state butted sectional portion 7 together with <br/> welding, Ru joining method der continuous fastener chain joining the continuous fastener chain 1.

The third aspect of the present invention provides the first or second aspect.
In addition to the constitution of the described invention, the end of the continuous fastener chain 1
Condition butt cutting portion 7 to each other formed in the space portion 4 of the end
Pull pulling the right and left fastener stringers 3 in placed, and cut portions 7, the portions of these are integrally welded at the same time, the joining method of the continuous fastener chain joining the continuous fastener chain 1.

[0016] The invention described in claim 4 is the first or second invention.
Is a continuous fastener chain 1 in addition to the constitution of the invention described in 3.
When failed portion 6 is present, remove and cut at the space portion 4 before and after the fastener chain 1 which the failed portion 6 is present, by arranging the cut portion 7 to each other in butting state
Welded, Ru bonding method der continuous fastener chain joining the continuous fastener chain 1.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A method for joining continuous fastener chains according to the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1, the method for joining continuous fastener chains according to the present invention is as follows: a continuous fastener chain 1 made of a thermoplastic synthetic resin material is joined to a continuous fastener chain 2 at predetermined intervals.
Is provided from the fastener stringers 3 and 3, and the space portion 4 is formed by removing the bite 2 from the long fastener chain 1 with the bite 2 attached to the fastener tape 5. However, in some cases, the space portion 4 may be formed without attaching the bite 2 to the fastener tape 5 from the beginning. In any case, space portions 4 are formed at predetermined intervals in the continuous fastener chain 1.

[0019] to connect the long fastener chain, and not long fastener chain of the end of the space portion until now, butt and the end of another long fastener chain, Tsu extend over both of the fastener chain And attach the golden adhesive tape,
It was stopped by a stapler from above. However, the continuous fastener chain according to this joining method has an adverse effect that the joining portion becomes an obstacle in the finishing step and the sewing step, and the operation and conveyance of the machine must be stopped.

Therefore, the present invention provides a fastener chain 1
Is performed in the space portion 4. For example, as shown in FIG. 1, the fastener tape 5 of the continuous fastener chain 1 may be used to join the continuous fastener chains 1.
If the product cannot be commercialized due to defective portions 6 such as dirt or scratches, the X portion shown in FIG.
After cutting the fastener chain 1 at the X-ray portion and removing the fastener chain 1 having the defective portion 6, the cut portions 7, 7 are butted, and ultrasonic heating or high-frequency heating is performed.
As shown in FIG. 2, the cut portion 7 is welded and joined.

At the time of welding the cut portion 7, at least a portion of the space portion 4 from which the occlusal element 2, that is, the fastener element has been removed, and a sewing thread or a core string used for attaching the occlusal element 2 remains in this portion . The bite remover 8 is always welded and joined, but the other fastener tapes 5 do not necessarily need to be welded. However, if possible, the fastener tape 5 may be made of a weak material, so that the fastener tape 1 is welded over the entire width of the fastener chain 1. good, if <br/> welding over the entire width of the fastener chain 1, the fastener tapes 5 at the junction 9
Is not turned over, which is convenient for processing.

As described above, the continuous fastener chain 1 is
Continuous fastener 1 connected in an undressed state ,
Finishing process, for example, as shown in FIGS.
Is inserted, the upper stopper 11 and the lower stopper 12 are attached, and the continuous fastener chain 1 is completed. Thereafter, the zipper chain is carried to a sewing process for commercialization. The fastener chain 1 is cut and commercialized in each space section 4 together with the fabric.

Next, in the embodiment shown in FIGS. 3 and 4, a space portion 4 is formed in the continuous fastener chain 1, and after the slider 10 is inserted from each space portion 4, an upper stopper is formed. 1
1. The continuous fastener chain 1 in which the lower stopper 12 is attached to the attachment end of the bite 2. If the continuous fastener chain 1 has a defective portion 6 such as a dirt or a scratch on the fastener tape 5 as shown in FIG. 3, for example, the fastener chain 1 is inserted into the space portion 4 before and after the fastener chain 1, as shown in FIG. After cutting at the location of the -Y line and removing the fastener chain 1 having the defective location 6, the cut portions 7, 7 are butted and welded as shown in FIG.
Is formed, and the two fastener chains 1 are joined to form a high-quality continuous fastener chain 1 having no defective portions 6 such as dirt or scratches.

The embodiment shown in FIG.
To join the continuous fastener chain 1 provided with the upper stopper 11 and the lower stopper 12, together with the welding of the bite remover 8 and the fastener tape 5, the left and right fastener stringers 3, 3 are drawn and the fastener stringer 3 is pulled. They are also welded together to form an integral joint 9 and a strong continuous
It can be finished to Snachien 1 . In the case of the continuous fastener chain 1 which is not equipped with the slider 10, the upper stopper 11, and the lower stopper 12, the gap between the bite 2 at the end of the space portion 4 and the joint 9 is the slider 10. It is sufficient that there is a gap into which the body 10 'can be inserted.

The above continuous fastener chain 1 of good quality as described in, for commercialization, as shown in FIG. 6, for example trousers
Placket or fabric 1 such as bag or futon cover
3 is attached by continuous automatic sewing and then the space of the continuous fastener chain 1 together with the fabric 13
The part 4 is cut. This cutting is at the location of the ZZ line shown,
That is, if there is the joint 4 in the space 4 or the space 4, the joint 9 is cut off and commercialized.

[0026]

The method for joining continuous fasteners according to the present invention has the structure described above, and the following effects can be obtained by this structure.

According to the first aspect of the present invention , continuous fastener chains 1 formed of a thermoplastic synthetic resin material having spaces 4 at predetermined intervals are connected to each other .
Because, cutting the continuous fastener chain 1 at the space portion 4 of the terminal, the continuous fastener was cut with a space portion 4 thien 1
Butt them together and weld at least the bite remover 8 to continue
By joining the fastener chain 1, the continuous file
Endless between the snach chains 1 at the space 4 at the end
Since the ends were butted and welded to each other in the state, the joint 9
There is no step on the surface and the flexibility is impaired
Process can be continuously and efficiently performed without any
Improvement can be achieved. And Ri by the first from <br/> fusion bonded points of the continuous fastener chain 1 that has been set in the space portion 4, when commercialized, the fastener chain 1 is beautiful appearance may, moreover咬合Ko removing unit 8 occlusal Since the sewing thread and the core string for attaching the child 2 and, in some cases, a part of the occlusal element 2 remain, the welding and joining of the cut portion 7 in the space portion 4 is easy, and furthermore, the most important in the transportation of the fastener chain 1 Since the bite removing portion 8 to which the tension is applied is welded, there is an effect that the conveyance and the finishing can be sufficiently performed.

[0028] The invention according to claim 2 provides the invention according to claim 1.
In addition to the light effect, the slider 10 is inserted from each space portion 4 of the continuous fastener chain 1, and the upper stopper 11,
End of the continuous fastener chain 1 the bottom end stop 12 is attached
The continuous cuts 7 are butt- welded together and welded.
By joining the Narchen 1 , the slider 1
0, top end stop 11, the equipment is the space portion 4 of the bottom end stop 12 you
There can easily be carried out, moreover immediately consecutive shape
Placed a placket or bags without necessity of stopping the running sewing process sends the sewing process of the fabric, the automatic sewing effect there Ru that Re very smoothly increased productivity can row Ukoto Figure.

The invention described in claim 3 is the invention according to claim 1 or 2
In addition to the effects of the described invention, the end of the continuous fastener chain 1
The cut portions 7 formed at the ends are abutted with each other , and the fastener stringer 3 on the left and right sides of the cut portion 7 is drawn, and these portions are simultaneously welded together to join the continuous fastener chain 1 .
As a result, the joining portion 9 of the continuous fastener chain 1 welds not only the cut portion 7 of the space portion 4 but also the left and right fastener stringers 3 at the same time, so that the joining strength in the longitudinal direction and the width direction of the fastener chain 1 is large, We can finish to strong fastener chain 1,
Moreover, since the ends of the fastener tape 5 are not scattered , there is an effect that the processing can be easily performed .

[0030] The invention described in claim 4 is the first or second aspect of the present invention.
Is the effect of the invention described in 3 above, and the addition of the continuous fastener chain 1
When failed portion 6 is present, the fastener chain 1 which failed portion 6 is present remove by cutting in the space portion 4 of the front and rear, and welded butt the cutting portion 7 to each other continuously fa
By junction the Sunachien 1, the continuous fastener chain 1 does not exist any defective portion 6, when the automatic sewing a continuous fastener chain 1, can be carried out very smoothly, yet beautiful appearance may be, besides goods Cost because the sewing fabric 13 is not wasted
There is an effect that can be down .

As described above, the joining method of the continuous fastener chain according to the present invention is completely new in that the joining of the fastener chain is performed by abutting the ends of the fastener chain in the space portion, unlike the conventional joining method of the fastener chain. This is a joining method, and the effect is extremely remarkable.

[Brief description of the drawings]

FIG. 1 is a plan view of a continuous fastener chain before joining.

FIG. 2 is a plan view of the continuous fastener chain after bonding.

FIG. 3 is a plan view showing a state before joining of a continuous fastener chain equipped with a slider or the like.

FIG. 4 is a plan view showing an embodiment of the same continuous fastener chain after bonding.

FIG. 5 is a plan view of a continuous fastener chain after bonding according to another embodiment.

FIG. 6 is a plan view showing an automatic sewing mode of the continuous fastener chain.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 fastener chain 2 bite 3 fastener stringer 4 space part 6 defective part 7 cutting part 8 bite part removal part 9 joint part 10 slider 11 upper stopper 12 lower stopper

Claims (4)

(57) [Claims] 1. A continuous fastener chain 1 made of a thermoplastic synthetic resin material having spaces 4 at predetermined intervals.
For connecting together, continuous fastener chain 1 is cut at <br/> space portion 4 of the terminal, butt continuous full <br/> Asunachien 1 s taken along the space portion 4, at least咬合Ko removal unit
Method of joining a continuous fastener chain, characterized in that 8 welded joining the continuous fastener chain 1. 2. Each space portion of the continuous fastener chain 1.
Slider 10 is inserted through 4 and upper stopper 11 and lower stopper 1
2 was attached, form at the end of the continuous fastener chain 1
Method for joining continuous fastener chain according to claim 1, wherein the butt of the disconnected portion 7 to each other for joining the continuous fastener chain 1 by welding. 3. The continuous fastener chain 1 is formed at an end thereof.
Was disconnected portion 7 abutting to each other, and pull pulling the right and left fastener stringer 3 of the cutting portion 7, the continuous fastener chain according to claim 1 or 2, wherein at the same time joining the continuous fastener chain 1 is integrally welded partial Joining method. 4. When the defective portion 6 exists in the continuous fastener chain 1 , the fastener chain in which the defective portion 6 exists.
1 Remove and cut at the space portion 4 of the front and rear, according to claim 1, 2 or 3 bonding method of the continuous fastener chain according to welded butt the cutting portion 7 to each other for joining the continuous fastener chain 1.