JPH11188190A - Sewing method and fabric-state member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid the core material part of a fabric-state member given so- called piping processing from obstructing sewing by crushing a part making the sewing route of a core material housing part with a core material and then sewing them at the time of sewing the fabric-like material housing the core material in the core material housing part and constituting a bag, etc. SOLUTION: The bag, etc. such as a golf bag is constituted by sewing plural fabric-state member pieces (1a, 1b) together and its form is kept by the core material housed in the core material housing part 2 between the respective pieces 1. At this time, in advance of the sewing operation of a part including the tip parts 2a and 2b of the core material housing parts like the end edges 4 and 5 of the fabric-like member 10, the tip parts 2a and 2b in the state of housing the material 3 are pressurized by an ultrasonic pressurizing device as a preparing process. Thereby, the parts 2a and 2b of the part 2 are crushed with the material 3 and this crushing operation is executed so as to cover a part making the sewing route of the parts 2a and 2b to ensure smooth sewing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of sewing a cloth member constituting a bag or the like and a cloth member sewn by the sewing method.

[0002]

2. Description of the Related Art Some bags are manufactured by sewing a plurality of cloth members together. Further, such a bag is provided with a core material accommodating portion, and a pipe-shaped core material is accommodated in the core material accommodating portion, so that the outer shape of the bag is maintained in a predetermined shape. Some have been given.

FIG. 2 shows a golf bag which is an example of such a bag.

As shown, this golf bag is
A plurality of cloth-like member pieces 1 are sewn together, and are held in a predetermined shape by a core material 3 accommodated in a core material accommodating portion 2 between the cloth-like member pieces 1.

In this case, as shown in FIG. 3, the core material accommodating portion 2 is folded so as to sandwich the core material 3, and is sandwiched between the edges of the cloth member pieces 1a and 1b. Piece 1a,
1b is sewn together. The core member 3 is made of, for example, a resin material and has a certain degree of rigidity in a normal state.

By the way, in sewing such a bag, it is necessary to sew a cloth-like member including the end of the core material accommodating portion 2, for example, as shown at a point A of the golf bag in FIG.
That is, in the case of the cloth member 10 in which the cloth member pieces 1a and 1b of FIG.
It is necessary to perform sewing work on the end sides 4 and 5 including the end sides.

However, in such a sewing operation,
The end of the core 3 accommodated in the core accommodating portion 2 becomes an obstacle. That is, if the sewing operation is performed while the core material 3 is stored in the end portions 2a and 2b of the core material storage portion 2, the sewing is performed from the cloth member 1a or 1b to the cloth member 1b or 1a. When proceeding, it will come into contact with the protrusion of the core material storage portion 2. On the other hand, since the sewing attachment is adjusted according to the thickness of the cloth-like member pieces 1a and 1b, it cannot be applied to the protrusion of the core material accommodating portion 2 properly. Can not.

Therefore, conventionally, the end portion 2 of the core material accommodating portion of the core material 3 is provided.
It is necessary to cut out the portion accommodated in a before the sewing operation to create a state where there is no core material 3 at the end portion 2a of the core material accommodation portion.

[0009]

However, in such a cutting operation of the end portion of the core material 3, the end portion of the core material 3 accommodated in the core material accommodation portion 2 as shown in FIG. It is necessary to perform a troublesome operation such that after dragging out from the 2a side and cutting one end, further dragging out from the core material housing end 2b side and cutting the other end,
This has caused an increase in the number of manufacturing steps and an increase in manufacturing cost.

The present invention has been made in view of such a problem, and a sewing method and a core material capable of preventing a core portion of a cloth-like member subjected to a so-called piping process from interfering with sewing. It is an object of the present invention to provide a cloth-like member in which parts do not interfere with sewing.

[0011]

According to a first aspect of the present invention, in a sewing method for sewing a cloth-like member in which a core material is accommodated in a core material accommodating portion, a portion of the core material accommodating portion serving as a sewing path is sewn. After squeezing together with the core material, sewing is performed.

[0012] In the second invention, a portion of the core material accommodating portion serving as a sewing route is an edge portion including an end portion of the core material accommodating portion of the cloth-like member. Crush the end of the material storage section.

According to a third aspect of the present invention, in the crushing operation, the sewing attachment adjusted in accordance with the thickness of the portion other than the core material accommodating portion of the cloth-like member is attached to the crushed core material accommodating portion. The portion of the core material accommodating portion serving as a sewing route is flattened to such an extent that it does not stick.

In the fourth invention, the crushing operation includes:
This is performed by pressurizing a portion of the core material accommodating portion to be crushed.

In the fifth invention, the crushing operation includes:
This is performed by applying pressure to the portion of the core material accommodating portion to be crushed while applying ultrasonic vibration.

In the sixth invention, the crushing operation includes:
This is performed by applying pressure while applying heat to a portion of the core material accommodating portion to be crushed.

In the seventh aspect of the present invention, in the cloth-like member in which the core material is accommodated in the core material accommodating portion, a portion of the core material accommodating portion serving as a sewing path is crushed together with the core material.

In the eighth invention, the portion of the core material accommodating portion which serves as a sewing path is an edge portion including an end portion of the core material accommodating portion of the cloth-like member. Was crushed.

[0019]

According to the first to sixth aspects of the present invention, the sewing is performed after the portion of the core material accommodating portion serving as the sewing path is squashed together with the core material.
The protrusion of the core material accommodating portion in which the core material is accommodated does not obstruct. In particular, as in the third invention, the sewing operation using the attachment can be efficiently performed by flattening the portion of the core material accommodating portion serving as the sewing path to the extent that the attachment for sewing does not stick. It can be carried out.
Further, the crushing work as a preparation step of the sewing work can be performed extremely easily by, for example, the method of the fourth to sixth inventions, so that the man-hour for the sewing work and the cost required for the sewing work can be significantly reduced. . In particular, by applying ultrasonic vibration together with pressurization as in the fifth invention or applying heat together with pressurization as in the sixth invention, the crushing operation can be performed extremely easily and efficiently. It becomes possible.

In the seventh and eighth aspects of the present invention, the cloth-like member is squeezed together with the core at a portion serving as a sewing path of the core material accommodating portion. The protrusion of the accommodated core material accommodating portion can be performed without obstruction. Also, in the manufacture of the cloth-like member, it is only necessary to crush the portion of the core material accommodating portion serving as the sewing route, so that the cloth-like member can be manufactured extremely easily, and the number of manufacturing steps and manufacturing costs are greatly reduced. Can be reduced.

[0021]

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

The sewing method according to the present invention is performed prior to the sewing operation along the edges 4 and 5 including the ends 2a and 2b of the core material accommodating portions of the cloth member 10 as shown in FIG. There is a feature in the preparation step, and the other steps are the same as the conventional sewing method. Therefore, the following description focuses on the steps that characterize the present invention.

In the sewing method according to the present embodiment, prior to sewing the portion including the ends 2a and 2b of the core material accommodating portions, such as the edges 4 and 5 of the cloth member 10 shown in FIG. Then, as a preparatory step, the end portions 2a and 2b of the core material accommodating portion with the core material 3 accommodated therein are pressed by an ultrasonic pressure device. Thus, the cloth member 20 according to the embodiment of the present invention shown in FIG.
Then, the ends 2a and 2b of the core material accommodating portion 2 are crushed together with the accommodated core material 3 as shown in FIG.

The crushing operation is performed by the end portion 2
a, 2b are executed so as to cover a portion to be a sewing route, and the crushed core material receiving ends 2a, 2b
b is flattened to such an extent that the sewing attachment adjusted according to the thickness of the cloth-like member piece 1a or 1b, for example, does not hit the end portion 2a or 2b of the core material accommodating portion. Is made.

The ultrasonic pressurizing device is a well-known type used for pouching work of, for example, a resin sheet.
The pressurized portion is welded by applying pressure while melting the pressurized portion by applying heat generated by ultrasonic vibration. In the present embodiment, the end portions 2a, 2b of the core material receiving portions are flattened by applying ultrasonic vibration to the end portions 2a, 2b of the core material receiving portions by such an ultrasonic pressing device. It can be easily crushed to a perfect state.

Further, in order to perform such a crushing operation, the core 3 is made of a material which can be flattened by an ultrasonic pressing device. For example, like a conventional core material, it may be made of a resin material such as vinyl chloride.

The material of the cloth member 20 is not limited.
For example, natural fibers, chemical fibers, vinyl, or the like, or processed fibers thereof may be appropriately selected.

In the state where the ends 2a and 2b of the core material storage portions are crushed in this manner, sewing operations are performed on the edges 4 and 5 including the ends 2a and 2b of the core material storage portions. In this case, since the ends 2a and 2b of the core material accommodating portions are crushed together with the core material 3, when the sewing proceeds from the cloth member 1a to the 1b side or from the 1b side to the 1a side, However, the sewing attachment does not bump into the protrusion at the core material accommodating portion 2, and the sewing operation can be performed without any problem.

In the preparation step of the sewing work, the end portions 2a and 2b of the core material accommodating portions are merely crushed and crushed by an ultrasonic pressurizing device. No complicated work is required, the work can be remarkably facilitated, the number of manufacturing steps can be significantly reduced, and the manufacturing cost can be reduced.

In the above-described embodiment, the crushing operation of the end portions 2a and 2b of the core material accommodating portions is performed by the ultrasonic pressurizing device. However, the present invention is not limited to such an embodiment. Absent. Specifically, for example, the end portions 2a and 2b of the core material storage portion may be pressurized only by pressure, or the pressure may be applied while directly heating the end portions 2a and 2b of the core material storage portion. , These methods, the material of the cloth member 20,
What is necessary is just to select suitably according to the material of the core material 3, etc.

In the above embodiment, the cloth-like member 2
Although the sewing of No. 0 was performed at the end sides 4 and 5, the present invention is not limited to such a form, and the portion where the core material accommodating portion 2 of the cloth-like member 20 is disposed serves as a sewing path. Is applicable in any case. That is, even when there is a portion serving as a route for sewing work outside the ends 2a and 2b of the core material storage portion 2, the portion serving as a sewing route of the core material storage portion 2 is crushed and then the sewing operation is performed. What should be done is.

In the above embodiment, the cloth-like member 2
Although 0 is a golf bag, the scope of the present invention is not limited to the cloth-like member 20 constituting the golf bag, and a so-called piping process is performed, and sewing of a portion on which the piping process is performed is performed. Naturally, the present invention can be applied to a cloth-like member 20 of a type that performs the following.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing a golf bag.

FIG. 3 is a perspective view showing a cloth member.

[Explanation of symbols]

 1a Cloth-like member piece 1b Cloth-like member piece 2 Core material accommodating part 2a End 2b End 3 Core 4 Edge 5 Edge 20 Fabric 20

Claims (8)

[Claims] 1. A sewing method for sewing a cloth-like member in which a core material is accommodated in a core material accommodating portion, wherein a portion of the core material accommodating portion serving as a sewing path is squeezed together with the core material before sewing. A sewing method characterized by the above-mentioned. 2. A portion of the core material accommodating portion serving as a sewing path is an edge portion including an end portion of the core material accommodating portion of the cloth-like member. The sewing method according to claim 1, wherein the portion is crushed. 3. In the crushing operation, the sewing attachment adjusted in accordance with the thickness of a portion of the cloth-like member other than the core material accommodating portion does not stick to the crushed core material accommodating portion. The sewing method according to claim 1 or 2, wherein a portion of the core material accommodating portion serving as a sewing route is flattened. 4. The sewing method according to claim 1, wherein the crushing operation is performed by pressing a portion of the core material accommodating portion to be crushed. 5. The crushing operation according to claim 1, wherein the crushing operation is performed by pressing a portion of the core material accommodating portion to be crushed while applying ultrasonic vibration. The sewing method described in 1. 6. The crushing operation according to claim 1, wherein the crushing operation is performed by pressing a portion of the core material accommodating portion to be crushed while applying heat. Sewing method. 7. A cloth member in which a core material is accommodated in a core material accommodating portion, wherein a portion of the core material accommodating portion serving as a sewing path is crushed together with the core material. 8. A portion of the core material accommodating portion serving as a sewing path is an edge portion including an end portion of the core material accommodating portion of the cloth-like member, and the end of the core material accommodating portion is crushed. The cloth member according to claim 7, characterized in that: