JP2003319813A - Bag and manufacturing method of bag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bag which is capable of preventing penetration of water such as rainwater and excellent in waterproofness and which is also capable of carrying water. <P>SOLUTION: A tape T is stuck to a sewn place or a place of calked hole in the bag. In other words, the tape T is adhered to the sewn place or the calked hole provided in a lining material constituting the bag. The material of the tape T is made preferably the same as the lining material, and the material of vinyl chloride resin, polyurethane, vinyl acetate resin or polyethylene is used, for instance. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bag and a manufacturing method thereof, and more particularly to a waterproof function of a bag.

[0002]

2. Description of the Related Art Conventionally, as a method for improving the waterproof property of a bag, a material constituting a bag body is subjected to a water repellent treatment such as applying a fluororesin, or a non-water-permeable material such as vinyl chloride. There was a method of pasting as a backing. By using each of the above methods, it was devised so that water would not soak into the surface of the bag.

[0003]

However, even if the above method is used, it is not possible to prevent water from entering through a needle hole in sewing or a caulking hole for attaching a metal fitting or the like. In particular, since the contents of school bags are often books such as textbooks or printed paper, waterproofness is strongly required.

In particular, even if the fabric of the bag itself is water-repellent, water drops flow down the surface of the fabric, and the water drops collect at the sewing part with the bottom of the bag, so that water permeates through the needle holes in sewing. I will get out. Then, if the contents of the bag are highly absorbent such as paper, and the contents are in contact with the sewn portion, the contents will be rapidly wet.

In addition, the conventional bag cannot be used for carrying water because water leaks from a needle hole in sewing.

[0006] Therefore, an object of the present invention is to provide a bag which is capable of preventing the entry of water such as rainwater and which is excellent in waterproofness, and also to provide a bag which can carry water. Is.

[0007]

The present invention has been made to solve the above-mentioned problems, and firstly, it is a bag, and is sewn at a sewing point and / or a caulking hole. And / or a tape covering the caulking hole is provided.

According to the bag having the first structure, since the tape covering the sewn portion and / or the caulking hole is provided, the waterproof function can be enhanced. For example, at a sewn portion, even if a liquid such as water enters through a sewing needle hole or a gap between parts, since the sewn portion is blocked by the tape, the liquid may enter the inside of the bag. Absent. Also,
It can be used for carrying a liquid such as water by manufacturing the bag with a material that does not pass water.

The first configuration may be as follows. That is, "a bag, a backing material that constitutes the bag is provided with a sewn portion and / or a caulking hole, and is a tape that covers the sewn portion and / or the caulking hole, and is formed of the same material as the backing material. The tape is provided. ”

In the first structure, the surface of the bag may be treated to be water repellent. Further, in the first configuration, the bag may be made of a cloth that does not pass water. Further, in this first configuration, a material having no water permeability may be used as the backing material.

Secondly, in the first structure, the tape is provided inside the bag. Since the tape is not visible from the outside, the tape does not obscure the appearance of the bag. The second structure is characterized in that "the tape is provided on a backing material that constitutes the bag."
May be

Thirdly, in the first or second construction, the sewn portion and / or the caulking hole is provided in the backing material constituting the bag, and the tape is the same as the backing material. The tape is provided on the backing so as to cover the sewn portion and / or the caulking hole. Therefore, by making the material suitable for thermocompression bonding and high frequency bonding,
It becomes possible to easily bond by thermocompression or high frequency.

Fourthly, in any one of the first to third constructions, the tape is made of a waterproof material such as a vinyl chloride material, a polyurethane material, a vinyl acetate material, or a polyethylene material. It is characterized by The fourth configuration may be as follows. That is, "in any one of the above-mentioned first to third configurations, the tape is a waterproof material and is made of a vinyl chloride material, a polyurethane material, a vinyl acetate material, or a polyethylene material. It is formed by. "

Fifthly, in any one of the first to fourth constructions, the sewn portion overlaps the ends of the first and second fabrics of the plurality of fabrics forming the bag. In the case of a sewn portion that is also sewn together, the side of the cloth material on the side where the edge portion is located covers the edge portion of the cloth material and the portion of the second cloth material other than the end portion. The tape is attached along the sewn portion so as to extend over the portion excluding the end portion. Therefore, even a bag having a sewn portion on the inside can be appropriately waterproofed.

Sixthly, in any one of the first to fourth constructions, the sewn portion overlaps the end portions of the first and second fabrics of the plurality of fabrics forming the bag. In the case of a sewn part that is also sewn together, on the side opposite to the side where the end of the fabric is present, the part of the first fabric excluding the end and the part of the second fabric excluding the end A tape is attached along the sewn portion so as to straddle it. Therefore, it is possible to properly waterproof even the bag whose sewn portion is exposed to the outside.

The seventh is a method of manufacturing a bag,
The sewing place and / or the caulking hole is provided with a tape for covering the sewing place and / or the caulking hole.

According to the bag manufactured by the bag manufacturing method of the seventh structure, since the tape for covering the sewn portion and / or the caulking hole is provided, the waterproof function can be enhanced. For example, at a sewn portion, even if a liquid such as water enters through a sewing needle hole or a gap between parts, since the sewn portion is blocked by the tape, the liquid may enter the inside of the bag. Absent. Further, it can be used for carrying a liquid such as water by producing a bag with a water-impermeable material. In the seventh configuration, the tape may be provided on the backing material that constitutes the bag.

The seventh configuration may be as follows. That is, "a method of manufacturing a bag, in which a sewn portion and / or a caulking hole is provided in a backing material forming the bag, and the same material as the backing material is used so as to cover the sewn portion and / or the caulking hole. It is characterized in that the tape formed by is attached. "

In the seventh structure, the surface of the bag may be water repellent. Further, in the seventh configuration, the bag may be made of a cloth having no water permeability. Further, in the seventh configuration, a material having no water permeability may be used as the backing material.

Eighthly, in the seventh structure, the sewn portion and / or the caulking hole are provided in the backing material forming the bag, and the tape is made of the same material as the backing material. It is characterized in that the tape is provided on the backing so as to cover the sewn portion and / or the caulking hole. Therefore, by making the material suitable for thermocompression bonding and high-frequency bonding, it becomes possible to easily perform thermocompression bonding and high-frequency bonding.

Ninth, there is provided a bag manufacturing method,
The method is characterized by including a step of cutting the cloth forming the bag, a step of sewing the cut cloth, and a step of providing a tape covering the sewn portion at the sewn portion.

According to the bag manufactured by the bag manufacturing method of the ninth structure, since the tape covering the sewn portion and / or the caulking hole is provided, the waterproof function can be enhanced. For example, at a sewn portion, even if a liquid such as water enters through a sewing needle hole or a gap between parts, since the sewn portion is blocked by the tape, the liquid may enter the inside of the bag. Absent. Further, it can be used for carrying a liquid such as water by producing a bag with a water-impermeable material.

In the ninth structure, the surface of the bag may be water repellent. Further, in the ninth configuration, the bag may be made of a cloth having no water permeability. In addition, in this ninth configuration,
A material having no water permeability may be used as the backing material.

The tenth feature is that, in any one of the seventh to ninth configurations, the tape is provided on the inner side of the bag. Therefore, since the tape is not visible from the outside, the tape does not obstruct the eyes and the appearance of the bag is not spoiled. The tenth structure may be "characterized in that the tape is provided on a backing material forming a bag."

Eleventh, in any one of the seventh to tenth configurations, the tape is formed of a waterproof material such as a vinyl chloride material, a polyurethane material, a vinyl acetate material, or a polyethylene material. It is characterized by The eleventh configuration may be as follows. That is, "in any one of the above seventh to tenth configurations, the tape is a waterproof material and is made of a vinyl chloride material, a polyurethane material, a vinyl acetate material, or a polyethylene material. It is formed by. "

Twelfthly, in any one of the seventh to eleventh constructions, the sewn portion overlaps the ends of the first and second cloths of the plurality of cloths forming the bag. In the case of a sewn part that is sewn together, on the side where the end of the cloth is located, the end of the cloth is covered,
It is characterized in that a tape is attached along the sewn portion so as to straddle a portion of the first cloth other than the end portion and a portion of the second cloth other than the end portion. Therefore, even a bag having a sewn portion on the inside can be appropriately waterproofed.

[0027] Thirteenth, in any one of the seventh to eleventh constructions, the sewing portion overlaps the end portions of the first and second cloths of the plurality of cloths forming the bag. In the case of a sewn part that is also sewn together, on the side opposite to the side where the end of the fabric is present, the part of the first fabric excluding the end and the part of the second fabric excluding the end A feature is that a tape is attached along the sewn portion so as to straddle it. Therefore, it is possible to properly waterproof even the bag whose sewn portion is exposed to the outside.

[0028]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. Bag A based on the present invention,
As shown in FIG. 1, it has a main body 10 and a cover 50.

As shown in FIG. 2, the main body portion 10 includes a side surface portion 12 and a side surface portion 1 provided in parallel with the side surface portion 12.
4, and the side surface portion 1 provided between the side surface portion 12 and the side surface portion 14.
6 and 18, bottom portion 20, and top portions 22 and 24. The side surface portion 16, the side surface portion 18, and the bottom surface portion 20
And shall be constituted by one member. The side surface portion 16, the side surface portion 18, and the bottom surface portion 20 constitute a side bottom surface portion 26.

It should be noted that this FIG. 2 shows the main body 1 in FIG.
A configuration in which 0 is turned over is shown. That is, in FIG. 2, the surface exposed to the outside comes to the inside in the actual bag.

In the bag A, different members are assembled by sewing. That is, the side surface portion 12 and the top surface portion 24, the side surface portion 12 and the side bottom surface portion 26, the side surface portion 14 and the top surface portion 22, the side surface portion 14 and the side bottom surface portion 26.
Alternatively, the side bottom surface portion 26 and the upper surface portions 22 and 24 are connected by sewing. In addition, each part shown in FIG.
In some cases, the backing material that constitutes the. In other words, bag A
In the case where the cloth forming the above is composed of the front material and the backing material, each part shown in FIG. 2 indicates the backing material.

In the bag A of this embodiment, the tape T is provided at the sewing position. That is, the tape T is attached so as to close at least the needle hole at the sewing position. Further, the tape T is also provided in holes (for example, caulking holes) other than the sewing position. That is, the tape T is also provided on the crimped portion R (see FIG. 2) to which the metal fitting K is attached. This tape is made of a waterproof material, for example, a vinyl chloride material, a polyurethane material, a vinyl acetate material, a polyethylene material, or the like.

Here, in order to explain the sewn portion in the case of connecting the end portions of the respective portions and the manner of attaching the tape T to the sewn portion, the sewn portion between the side surface portion 12 and the upper surface portion 24 is taken as an example. Specifically, as shown in FIG. 3,
The side surface portion 12 and the upper surface portion 24 are sewn with a sewing thread S1 (see FIG. 3B) in a state where their ends are overlapped with each other, and further, the covering member H for covering the ends in a substantially U-shape. And then sewn with a sewing thread S2. By sewing the covering member H, the sewing thread S2 is exposed along the end of the covering member H.

A tape T is provided so as to cover the covering member H. That is, the tape T is attached so as to cover the covering member H and to extend over a part of the side surface part 12 and a part of the upper surface part 24. That is, the tape T is attached across a part of the portion of the cloth forming the side surface portion 12 excluding the end portion and a portion of the portion of the cloth forming the upper surface portion 24 excluding the end portion. ing. By doing so, the sewn portion is covered, and the needle holes formed by the sewing threads S1 and S2 are covered.

In the description of FIG. 3 above, the side surface portion 1
One of the 2 and the upper surface portion 24 hits the first cloth, and the other hits the second cloth.

When the side surface portion 12 and the upper surface portion 24 are made of a front material and a back material, the result is as shown in FIG. 9 (a).
That is, the side surface portion 12 includes the backing material 12-1 and the front material 12-2.
And the upper surface portion 24 also has a backing material 24-1 and a front material 24-2.
-1 and the backing material 24-1.

Also, at the sewn portion between the side surface portion 12 and the side bottom surface portion 26, the tape T is formed in the same form as the example shown in FIG.
Is provided.

Further, the tape T is provided in the same manner as in the example shown in FIG. 3 at the sewn portion between the side surface portion 14 and the upper surface portion 22 and at the sewn portion between the side surface portion 14 and the side bottom surface portion 26. That is, the sewn portion between the side surface portion 12 and the upper surface portion 24 and the sewn portion between the side surface portion 12 and the side bottom surface portion 26 are defined as the first circumferential sewing portion, and the sewn portion between the side surface portion 14 and the upper surface portion 22 and the side surface portion 14 are formed. When the sewn portion between the side surface portion 26 and the side bottom surface portion 26 is the second circumferential sewing location, the tape T is provided in a ring shape at the first circumferential sewing location, and also at the second circumferential sewing location. That is, the tape T is provided in a ring shape.

Tapes T are also provided at the sewn points between the side surface portion 16 and the upper surface portions 22 and 24 and at the sewn points between the side surface portion 18 and the upper surface portions 22 and 24.

Further, the main body 10 is provided with a metal fitting K for engaging with the cover portion 50, and the tape T is also attached to the location of the caulking hole of the metal fitting K.

FIG. 5 shows the method of manufacturing the bag A having the above structure.
Etc. will be described. First, the manufacturing process of the main body 10 will be described. First, the cloth is cut to create each part that constitutes the bag A (S10). That is, the side surface portion 12,
Fabrics such as the side surface portion 14, the upper surface portion 22, the upper surface portion 24, and the side bottom surface portion 26 are created. This step S10
It corresponds to the "process of cutting the fabric that forms the bag."

Then, each part is sewn to be assembled into a bag shape (S11). The space between adjacent parts of the above parts will be sewn. This step S11 corresponds to the “step of sewing the cut material”.

Then, the tape T is attached to the sewn portion (S12). That is, the tape T is attached to the first circumferential sewing portion and the second circumferential sewing portion, and the side bottom surface portion 2
The tape T is also attached to the sewn portion between 6 and the upper surface portions 22 and 24. In addition, the sewn portions between the side bottom surface portion 26 and the upper surface portions 22 and 24 are present on both sides in the longitudinal direction of the main body portion 10. If there are other sewn points, the tape T is also attached to the sewn points. This step S12 corresponds to the above-mentioned "step of providing a tape covering the sewn portion at the sewn portion". Note that the tape T is attached to all the sewn points, and when the sewn points have a circumferential shape, for example, when the above-mentioned first circumferential sewn point or the second circumferential sewn point, the tape T It is preferable that the ends of T are attached so as to overlap each other.

In addition to the sewn portion, the tape T is attached to the portion where the cloth has holes. For example, the tape T is also attached to the location of the caulking hole of the metal fitting K.

When the sewn portion and the caulking hole are provided in the backing material, the tape T is attached to the backing material. For example, in the example of FIG. 3, when the upper surface portion 24 and the side surface portion 12 are made of a front material and a backing material, the result is as shown in FIG. T will be glued.

If the cloth in the bag A is sewn with pockets or the like and the cloth is flat,
As shown in FIG. 4, the tape T is attached along the sewing position. In this case, the tape T may not be attached after the bag-like assembling, so that the pocket T may be sewn before the bag-like assembling, that is, immediately after the pocket is sewn on the cloth before the bag-like assembling. It is preferable to attach the tape T to the. That is, according to FIG. 5, step S
Since a work for sewing a pocket or the like is provided between 10 and step S11, the tape T is sewn after the sewing.
Is provided.

As a method for attaching the tape T, a method using an adhesive or a method using thermocompression bonding (for example,
Examples of the method include a method in which an adhesive layer provided on the tape T is melted by heat and adhered thereto, and a method by high-frequency compression bonding (that is, a method in which pressure is applied while melting is performed by high-frequency waves).

The above-mentioned method using an adhesive is a method in which an adhesive is interposed between the tape T and the surface to be adhered and then pressure is applied to adhere.

The method of thermocompression bonding and the method of high-frequency compression bonding are useful when the material of the tape and the material of the material of the bag are suitable for such adhesion. For example, when the tape is made of vinyl chloride and the cloth to which the tape is attached is also vinyl chloride, or when the tape is made of polyurethane and the cloth to which the tape is made is made of polyurethane as well, thermocompression bonding or high-frequency adhesion is used. By using the same material that can be used, it is possible to easily perform thermocompression bonding or high frequency bonding. Note that no adhesive is used in the case of the thermocompression bonding method or the high-frequency compression bonding method. Further, as a matter of course, in the case of the method using the adhesive, the material of the tape and the material of the cloth may be different materials.

After the tape T has been attached as described above, the main body 10 is turned over and the front side and the back side of the main body 10 are reversed. Then, the tape T becomes the main body 10
Will be inside.

After the main body 10 is manufactured as described above, the cover 50 is attached and the bag is manufactured. When the cover portion 50 is sewn to the main body portion 10, it is preferable that the tape T be attached from the inside of the main body portion 10 also to the sewn portion.

The bag A of this embodiment is constructed as described above, and since the sewn portion and holes such as caulking holes are closed by the tape T, the waterproof function can be enhanced. For example, at the sewn portion, even if a liquid such as water enters through the needle holes for sewing or the gaps between the respective parts, since the sewn portion is blocked by the tape T, the liquid enters the inside of the bag A. Never. Further, since the tape T is present inside the bag A, the tape T is not visible from the outside,
The tape T does not obstruct the eyes and the appearance of the bag is not spoiled.

In the bag A of this embodiment, the main body 1
0 or the surface of the cover part 50 is made water repellent, or the bag A is manufactured using a non-water-permeable material, and the non-water-permeable material is used as the backing material to further enhance the waterproof function. be able to.

In particular, in the bag A of this embodiment, a liquid such as water is transported by manufacturing the bag A using a cloth that does not pass water, or by using a material that does not pass water for the backing. It is also possible.

Next, the second embodiment will be described. Unlike the first embodiment, the second embodiment is a type of bag in which the sewing portion at the corner of the bag is exposed to the outside.
That is, in the first embodiment, the sewing position at the corner of the bag,
That is, while the first circumferential sewing location and the second circumferential sewing location are inside the main body, in the bag of the second embodiment, the first circumferential sewing location and the second circumferential sewing location. The circumferential sewing location is on the outside.

The bag B according to the second embodiment of the present invention is shown in FIG.
As shown in FIG. 3, the main body 110 and the cover 150 are provided.

The main body 110 is, as shown in FIG.
The side surface portion 112, the side surface portion 114 provided in parallel to the side surface portion 112, the side surface portions 116 and 118 provided between the side surface portions 112 and 114, the bottom surface portion 120, and the upper surface portions 122 and 124. have. In addition, the side surface portion 116
It is assumed that the side surface portion 118 and the bottom surface portion 120 are composed of one member. The side surface portion 116, the side surface portion 118, and the bottom surface portion 120 constitute a side bottom surface portion 126.

Incidentally, this FIG. 7 shows the main body 1 in FIG.
10 shows a configuration in which 10 is turned upside down. That is, in FIG. 7, the surface exposed to the outside comes to the inside in the actual bag.

In the bag B, different members are assembled by sewing. That is, the side surface portion 112 and the top surface portion 124, and the side surface portion 112 and the side bottom surface portion 12
6, side surface portion 114 and top surface portion 122, side surface portion 114 and side bottom surface portion 126, side bottom surface portion 126 and top surface portion 122, 1
24 are connected by sewing. In addition, each part shown in FIG. 7 may show the backing material which comprises the bag B in some cases. That is, when the material forming the bag B is composed of the front material and the backing material, each part shown in FIG. 7 indicates the backing material.

Then, in the bag B of this embodiment, a tape is provided at the sewing position. Further, the tape T is also provided in holes (for example, caulking holes) other than the sewing position. This tape is made of a waterproof material, for example, a vinyl chloride material, a polyurethane material, a vinyl acetate material, a polyethylene material, or the like.

Here, in order to explain the sewn portion in the case of connecting the ends of the respective portions and the manner of attaching the tape T to the sewn portion, the sewn portion between the side surface portion 112 and the upper surface portion 124 is taken as an example. More specifically, as shown in FIG. 8, the side surface portion 112 and the upper surface portion 124 are sewn with the sewing thread S1 (see FIG. 8B) in a state where the end portions are overlapped, Further, a covering member H for covering the end portion in a substantially U shape.
And then sewn with a sewing thread S2.

Then, the tape T is attached to the side opposite to the surface where the end of the side surface 112 and the end of the upper surface part 124 are superposed at the connection point where the side surface 112 and the upper surface part 124 are connected. Attached. That is, the side surface portion 112 and the upper surface portion 124
A tape T is attached along the joining position so as to cover the joining position.

In the description of FIG. 8 above, the side surface portion 1
One of 12 and the upper surface portion 124 hits the first cloth, and the other hits the second cloth.

When the side surface portion 112 and the upper surface portion 124 are made of a front material and a back material, it becomes as shown in FIG. 9 (b). That is, the side surface portion 112 has the backing material 112-1 and the front material 112-2, and the top surface portion 124 also has the backing material 12-2.
The tape T is attached to the backing material 112-1 and the backing material 124-1.

Further, the tape T is also provided at the sewing portion between the side surface portion 112 and the side bottom surface portion 126 in the same form as the example shown in FIG.

Further, the tape T is provided in the same manner as in the example shown in FIG. 8 also at the sewn portion between the side surface portion 114 and the upper surface portion 122 and at the sewn portion between the side surface portion 114 and the side bottom surface portion 126. That is, the sewn portion between the side surface portion 112 and the upper surface portion 124 and the sewn portion between the side surface portion 112 and the side bottom surface portion 126 are defined as the first circumferential sewing portion, and the side surface portion 114 and the upper surface portion 12 are sewn.
When the sewn portion between the two and the sewn portion between the side surface portion 114 and the side bottom surface portion 126 are used as the second circumferential sewing portion, the tape T is provided in a ring shape at the first circumferential sewing portion, and ,
The tape T is also provided in a ring shape at the second circumferential sewing portion.

Further, the side surface portion 116 and the upper surface portions 122 and 12
4 and the side surface 118 and the upper surface 122, 12
Tapes T are also provided at the sewing positions between the four.

The main body 110 also includes a cover 150.
Although a metal fitting K for locking the metal fitting is provided, the tape T is also attached to the portion of the metal fitting K where the caulking hole is formed.

A method of manufacturing the bag B having the above structure will be described. The manufacturing process of the bag B of this embodiment is almost the same as the manufacturing process of the bag A of the first embodiment. That is, when sewing each part, the sewing is performed so that the sewn portion faces the outside of the bag, and when the tape T is attached to the first circumferential sewing portion or the second circumferential sewing portion, the material end The same steps are performed except that the tape T is attached to the side opposite to the side where the parts are superposed.

First, the manufacturing process of the main body 110 will be described. First, the cloth is cut to create each part that constitutes the bag B. That is, the side surface portion 112, the side surface portion 114,
Fabrics such as the upper surface portion 122, the upper surface portion 124, and the side bottom surface portion 126 are created. This step corresponds to the “step of cutting the fabric that forms the bag”.

Then, each part is sewn to be assembled into a bag shape. The space between adjacent parts of the above parts will be sewn. This step corresponds to the “step of sewing the cut material”.

Then, the tape T is attached to the sewn portion (this step corresponds to "the step of providing the tape for covering the sewn portion with the sewn portion"). That is, the tape T is attached to the first circumferential sewing portion and the second circumferential sewing portion, and the side bottom surface portion 126 and the upper surface portions 122 and 124 are also attached.
Attach the tape T to the sewn area in between. When the tape T is attached to the first circumferential sewing portion and the second circumferential sewing portion, as shown in FIG. 8, the joining of the fabrics is performed on the side opposite to the surface where the end portions of the fabrics are superposed. A tape T is attached along the position so as to cover the bonding position. It should be noted that the sewing locations between the side bottom surface portion 126 and the top surface portions 122 and 124 are present on both sides of the main body 110 in the longitudinal direction. If there are other sewn points, the tape T is also attached to the sewn points. In addition, when the tape T is attached to all the sewn points and the sewn points have a circumferential shape, for example,
In the case of the first circumferential sewing portion or the second circumferential sewing portion, it is preferable to attach the tape T so that the ends thereof overlap each other.

In addition to the sewn portion, the tape T is attached to the place where the hole is formed in the cloth. For example, the tape T is also attached to the location of the caulking hole of the metal fitting K.

When the sewn portion and the caulking hole are provided in the backing material, the tape T is attached to the backing material. For example, in the example of FIG. 8, when the upper surface portion 124 and the side surface portion 112 are made of a front material and a back material, FIG.
Then, the tape T is adhered to the backing materials 112-1 and 124-1.

As in the case of the first embodiment, in the case where the cloth in the bag B is sewn with pockets or the like,
When the cloth is a flat plate, as shown in FIG. 4, the tape T is attached along the sewing position. In this case, the tape T may not be attached after the bag-like assembling, so that the pocket T may be sewn before the bag-like assembling, that is, immediately after the pocket is sewn on the cloth before the bag-like assembling. It is preferable to attach the tape T to the. That is, since the work of sewing a pocket or the like is provided between the above-mentioned step of cutting the cloth and the step of sewing each part, a step of attaching the tape T after the step of sewing each part is provided. Of.

The method of attaching the tape T is the same as in the case of the first embodiment.

After the tape T has been attached as described above, the main body 110 is turned over and the front and back sides of the main body 110 are reversed. Then, the tape T is inside the main body 110.

After the main body 110 is manufactured as described above, the cover 150 is attached and the bag is manufactured. When the cover 150 is sewn to the main body 110, it is preferable to attach the tape T from the inside of the main body 110 also to the sewn portion.

The bag B of this embodiment is constructed as described above, and since the sewn portion and holes such as caulking holes are closed by the tape T, the waterproof function can be enhanced. For example, at the sewn portion, even if a liquid such as water enters from the sewing needle hole or the gap between the parts, the sewn portion is blocked by the tape T, so the liquid enters the inside of the bag B. Never. Further, since the tape T is present inside the bag B, the tape T is not visible from the outside,
The tape T does not obstruct the eyes and the appearance of the bag is not spoiled.

In the bag B of this embodiment, the main body 1
Water-repellent finishing is applied to the surfaces of 10 and the cover part 150, or the bag B is manufactured using a non-water-permeable material, and a non-water-permeable material is used as the backing material to further enhance the waterproof function. be able to.

In particular, in the bag B of this embodiment, the bag B is manufactured by using a non-water-permeable material, or a non-water-permeable material is used as the backing material to carry a liquid such as water. It is also possible.

[0082]

According to the bag and the method for manufacturing the bag according to the present invention, since the tape covering the sewn portion and / or the caulking hole is provided, the waterproof function can be enhanced. For example, at a sewn portion, even if a liquid such as water enters through a sewing needle hole or a gap between parts, since the sewn portion is blocked by the tape, the liquid may enter the inside of the bag. Absent. Further, it can be used for carrying a liquid such as water by producing a bag with a water-impermeable material.

[Brief description of drawings]

FIG. 1 is a perspective view showing a bag according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of a main body portion of the bag according to the first embodiment based on the embodiment of the present invention.

3A and 3B are views showing a main part of a main body part in a bag of a first embodiment based on the embodiment of the present invention, FIG. 3A is a perspective view of the main part broken, and FIG. It is an XX sectional view.

FIG. 4 is an explanatory diagram showing another example of attaching a tape.

FIG. 5 is an explanatory view showing a manufacturing process of the bag according to the embodiment of the present invention.

FIG. 6 is a perspective view showing a bag according to a second embodiment of the present invention.

FIG. 7 is a perspective view showing a configuration of a main body portion of a bag according to a second embodiment based on the embodiment of the present invention.

8A and 8B are views showing a main part of a main body part of a bag according to a second embodiment based on the embodiment of the present invention, FIG. 8A is a perspective view of the main part broken, and FIG. It is an XX sectional view.

FIG. 9 is a diagram illustrating a case where a front material and a backing material are provided in the bag, and FIG. 9A is a cross-sectional view of the case of the first embodiment;
FIG. 7B is a sectional view of the second embodiment.

[Explanation of symbols]

A, B Bag 10, 110 Main body 12, 14, 16, 18, 112, 114, 116, 1
18 side surface part 12-1, 24-1, 112-1, 124-1 backing material 22, 24, 122, 124 upper surface part 26, 126 side bottom surface part H covering member T tape

Claims (13)

[Claims] 1. A bag, wherein the sewn portion and / or the caulking hole is provided with a tape covering the sewn portion and / or the caulking hole. 2. The bag according to claim 1, wherein the tape is provided inside the bag. 3. The sewn portion and / or the caulking hole are provided in a backing material constituting the bag, the tape is made of the same material as the backing material, and the tape is the sewn portion. The bag according to claim 1 or 2, which is provided on the backing so as to cover the caulking hole and / or the caulking hole. 4. The bag according to claim 1, 2 or 3, wherein the tape is made of a waterproof material such as a vinyl chloride material, a polyurethane material, a vinyl acetate material, or a polyethylene material. 5. The side where the end of the fabric is located when the sewn position is a sewn position where the ends of the first fabric and the second fabric of the plurality of fabrics forming the bag are overlapped and sewn. A tape along the sewn portion so as to cover the end of the cloth and the portion of the first cloth excluding the end and the portion of the second cloth excluding the end. The bag according to claim 1, 2 or 3 or 4, which is attached. 6. The side where the end of the fabric is located when the sewn place is a sewn position where the ends of the first fabric and the second fabric of the plurality of fabrics forming the bag are overlapped and sewn. On the side opposite to, a tape is attached along the sewn portion so as to straddle the portion of the first cloth excluding the end portion and the portion of the second cloth excluding the end portion. The bag according to claim 1, 2 or 3 or 4, which is characterized. 7. A method of manufacturing a bag, wherein a tape covering the sewn portion and / or the caulking hole is provided on the sewed portion and / or the caulking hole. 8. The sewn portion and / or the caulking hole are provided in a backing material forming the bag, and the tape is made of the same material as the backing material. The bag manufacturing method according to claim 7, wherein the backing material is provided so as to cover the caulking hole and / or the caulking hole. 9. A method of manufacturing a bag, the step of cutting the material forming the bag, the step of sewing the cut material, and the step of providing a tape covering the sewn area at the sewn area. A method for manufacturing a bag, comprising: 10. The method for producing a bag according to claim 7, wherein the tape is provided on the inner side of the bag. 11. The tape according to claim 7, wherein the tape is formed of a waterproof material such as a vinyl chloride material, a polyurethane material, a vinyl acetate material, or a polyethylene material. Bag manufacturing method. 12. The side where the end of the fabric is located when the sewn position is a sewn position where the ends of the first fabric and the second fabric of the plurality of fabrics forming the bag are overlapped and sewn. A tape along the sewn portion so as to cover the end of the cloth and the portion of the first cloth excluding the end and the portion of the second cloth excluding the end. The method for manufacturing a bag according to claim 7, wherein the method is to attach the bag. 13. A side where an end portion of the cloth is located when the sewn portion is a sewn area in which the ends of the first cloth and the second cloth of the plural cloths forming the bag are overlapped and sewn. A tape is attached along the sewn portion on the opposite side to the portion of the first cloth excluding the end portion and the portion of the second cloth excluding the end portion. The method for manufacturing the bag according to claim 7, 8 or 9 or 10 or 11.