JPH06269310A - Rear pad member for back pack type bag - Google Patents

Abstract

PURPOSE:To provide a rear pad member which eliminates work of sewing a back plate on armor fabrics in this invention to solve problems of difficulty in fitting to the bending of a line as caused by irregularities and readiness to wrinkle near an angle of the bending as noted in the work of sewing the back plate on the armor fabrics of the conventional back pad member. CONSTITUTION:In a rear pad member of a back pack type bag which is made up of a rear plate 1, a cushion material 2 and armor fabrics 3 and has irregularities on the external surface thereof, the armor fabrics 3 are cut according to the irregularities of the cushion material 2, the end rim forming a valley part of the armor fabrics 3 cut is bent downward and joined on the end rim of another armor fabrics 3 cut to form a hollow part 4. Then, a surface fastener 5 is wrapped on a lower outside of the hollow part 4 to sew the end rim of the armor fabrics 3 securely on the surface fastener 5 and a surface fastener 5 is set on the rear plate 1 corresponding to the surface fastener 5 fixed on the hollow part 4. A cushion material 2 is arranged at a raised part between the rear plate 1 and the armor fabrics 3 to make a rear pad member for the back type bag.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a backrest member for a backpack-type bag such as a school bag and a rucksack, which has a cushioning member inside and has an uneven surface on the outer surface, and has a structure for attaching an outer cloth. It is about improvement.

[0002]

2. Description of the Related Art In the case of a backrest member of a conventional backpack type bag, when a cushion material such as sponge or urethane is inserted inside to form unevenness on the outer surface, the outer cloth and the back cloth are formed at the valleys without the cushion material. The plate was directly fixed by sewing (see FIGS. 1 and 2). For this reason, in the conventional back support member, it is difficult to perform the sewing work on the back plate which is hard and thick in correspondence with the bending of the line formed by the cushion material, and the work requires extra labor.

On the contrary, it was not possible to form the unevenness of the cushion material gently. Further, in the conventional back support member, since the thickness of the sewn portion is only the thickness of the back plate and the outer cloth, there is a drawback that the sewn portion lacks a sense of volume. Further, in the conventional back support member, since only one piece of exterior fabric is used, the effect of unevenness of the cushion material appears on the exterior fabric after sewing, and a part of the exterior fabric, particularly wrinkles near the corners, is wrinkled. There was also the problem of easy occurrence.

[0004]

SUMMARY OF THE INVENTION Therefore, according to the present invention, by providing a back support member which does not require the sewing work of the exterior cloth and the back plate, any line bend formed by the cushion material can be bent. It is possible to deal with it, and wrinkles do not occur on the exterior fabric due to the influence of the unevenness of the cushion material
Another object of the present invention is to provide a backrest member that can give a feeling of volume to a portion where the cushion material is not inserted.

That is, the present invention intends to provide the backing member which can reduce the work labor for the manufacturer and which is more attractive to the consumer than the conventional one.

[0006]

In the present invention, the back plate 1,
In a backrest member of a backpack bag having a cushion material 2 and an exterior material 3 and having irregularities on the outer surface, the exterior material 3 is cut according to the irregularities of the cushion material 2, and the valley of the cut exterior material 3 is cut. Bend the edge that forms the part downward,
The recess 4 is formed by joining with the other edge of the cut outer fabric 3, and the surface fastener 5 is covered under the recess 4 to sew the edge of the outer fabric 3 and the surface fastener 5. Fixed and
As a backrest member for a backpack-type bag in which a hook-and-loop fastener 5 fixed to the recess 4 is provided on the back plate 1, and a cushion material 2 is arranged in a raised portion between the back plate 1 and the exterior cloth 3. There is.

Further, by inserting a pie pin 6 into the recess 4,
It is used as a back support member of a backpack type bag in which the exterior material 3, the hook-and-loop fastener 5, and the pie pins 6 are fixed by sewing.

[0008]

The present invention has the following actions. Unlike the conventional one, the exterior cloth 3 of the present invention is preliminarily cut according to the unevenness formed by the cushion material 2. Therefore, in the present invention, the outer cloth 3 can be fixed to the back plate 1 due to the influence of the unevenness of the cushion material 2 without causing wrinkles near the corners.

The edge of the cut outer fabric material 3 that forms the trough is joined to the edge of another cut outer fabric material 3 to form a recess 4, and a surface on the lower outside of the recess 4 is a surface. The fastener 5 is encapsulated and integrally fixed by sewing. On the other hand, the back plate 1 is also provided with a hook-and-loop fastener 5, and the hook-and-loop fastener 5 of the recess 4 is surface-bonded to fix the exterior material 3 and the back plate 1.

Therefore, in the backrest member of the present invention, unlike the conventional backrest member, it is not necessary to sew a soft outer cloth to the back plate 1 having a firm thickness, which is troublesome. Moreover, it becomes possible to form the unevenness of the cushion material 2 in a more complicated curved line. Further, according to the present invention, since the thickness of the recess 4 is generated even in the valley portion where the cushion material 2 is not inserted, the outer cloth 3 and the back plate 1 are sewn and fixed to each other. As you can see, there is no lack of volume.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be described below with reference to the drawings. FIG. 3 is an overall perspective view showing the back support member 7 according to the embodiment of the present invention. In the back support member 7 of this embodiment, a sponge which is a cushion material 2 is formed on a plastic back plate 1 in a U-shape having a large thickness and a T-shape having a small thickness, and is arranged. The outer cloth 3 is put on the upper part, and there is no difference in these structures from the conventional back support member 7 of FIGS. 1 and 2.

However, in the conventional backrest member 7, one sheet of outer cloth 3 is used, whereas in this embodiment, the outer cloth 3 is cut in advance according to the unevenness of the cushion material 2, The edge forming the trough of the trimmed exterior fabric 3 is bent downward to join with the other edges of the trimmed exterior fabric 3 to form a recess 4 protruding downward, and the surface fastener 5 The exterior cloth 3 and the back plate 1 are surface-bonded and fixed via the.

Therefore, in this embodiment, it is necessary to forcibly sew the outer cloth 3 to the back plate 1 in accordance with the unevenness caused by the cushion material 2 as in the conventional back support member 7. As a result, wrinkles do not occur near the corners of the uneven surface. Although a plastic plate is used for the back plate 1 in this embodiment, the material of the back plate 1 is not limited in the present invention.
There is no problem even if the above is performed, and similarly, the cushion material 2 may be made of another resin foam such as urethane.

FIG. 4 shows an A- of the back support member 7 of this embodiment.
It is sectional drawing in the A line. FIG. 4 shows the structure around the recessed portion 4 of this embodiment. As described above, the edges of the exterior fabric 3 preliminarily cut in accordance with the unevenness of the cushion material 2 are joined to each other, and the outer fabric 3 is cut downward. A recess 4 having a protruding shape and a r-shaped cross section is formed. The surface fastener 5 is encapsulated on the lower outer side of the recess 4, and in that state, that is, the surface fastener 5 is encapsulated at the edge forming the trough of the exterior cloth 3, the exterior cloth 3 and the surface. The fastener 5 is integrally sewn and fixed by the sewing thread 8.

Therefore, also in this embodiment, the same sewing work process as that of the conventional back support member 7 is required, but the conventional back support member 7 holds the soft exterior cloth 3 firmly and has a thick back plate. 1 is forcibly sewn and fixed to No. 1, the sewing work in this embodiment is merely to sew two thin outer cloths 3 and a surface fastener 5 encapsulating the same. Therefore, the sewing work is easier than the conventional one, and the work efficiency can be improved.

On the back plate 1, a surface fastener 5 corresponding to the surface fastener 5 sewn and fixed to the outside of the recess 4 is adhered and fixed by an adhesive, and both surface fasteners 5 are in contact with each other. The outer cloth 3 and the back plate 1
It is fixed with a sponge in between. Therefore, the backrest member 7 of this embodiment is similar to the conventional one in that the outer cloth 3
Since the back plate 1 and the back plate 1 are not directly fixed by sewing, the exterior material 3 and the back plate 1 are detachably fixed by the hook-and-loop fastener 5.
If any of the back plate 1, the cushion material 2, and the exterior cloth 3 is damaged or the quality is deteriorated, only one member (for example, the exterior cloth 3) is replaced without replacing the other member. Can be easily replaced.

FIG. 5 is a partially enlarged sectional view showing another embodiment of the present invention. The mounting structure of the back plate 1, cushion material 2, exterior fabric 3, and surface fastener 5 in this embodiment is as follows.
Similar to the embodiment of FIGS. 3 and 4, but in this embodiment,
A pie pin 6 is inserted into the recess 4 and the pie pin 6 is sewn and fixed together with the exterior fabric 3 and the surface fastener 5.

As described above, in the conventional backrest member 7, since the exterior fabric 3 is directly sewn and fixed to the backboard 1, the sewing thread 8 appears on the surface of the completed backrest member 7, The wrinkles near the corners had a bad appearance on the back support member 7. The disadvantages of this conventional example are solved by the embodiment shown in FIGS. 3 and 4. In the embodiment shown in FIGS. 3 and 4, the sewing thread 8 does not appear in the appearance, and the recess formed by the recess 4 is not formed. The line represents the uneven line of the cushion material 2 and forms a pattern.

In the embodiment shown in FIG. 5, a pie pin 6 is added to the recess 4 in order to improve the appearance of the backing member 7 shown in FIGS. 3 and 4, and red, blue, yellow, etc. Back support member 7 with completed pie pins 6 colored in various colors,
In addition, it has the shape of a backpack bag. In addition to this decorative effect, the pie pin 6 also serves as the core of the recess 4, so that when pressure is applied from above the recess 4, it is fixed only by the sewing thread 8 from the side. The durability of the recess 4 is also increased.

The usage state of the embodiment of the present invention having the above construction will be described below. The backboard 1 constitutes a backboard of a storage portion for a backpack-type bag such as a school bag and a rucksack, and the exterior fabric 3 is a fabric that comes into contact with the back and waist when the backpack-type bag is carried on the back, and is a cushion. Material 2
Is a member that serves to cushion the vibration and shock transmitted to the back and waist.

A cushion material 2 is arranged on the back plate 1 in consideration of appearance and touch when touching the body. In order to facilitate fixing of the exterior cloth 3 and the back plate 1, A band-shaped portion 9 into which the cushion material 2 is not inserted is formed. The exterior fabric 3 is
The cutting is performed by adding the dimension corresponding to the curve drawn by the cushion material 2 arranged on the back plate 1 and the dimension forming the r-shaped recess 4.

Out of the edges of the cut outer fabric 3, the back plate 1
The portion contacting with the outer peripheral portion 10 is adhered and fixed to the back plate 1 by a surface fastener 5 or an adhesive agent, but is in contact with the strip-shaped portion 9 in which the cushion material 2 is not inserted, and the end edge forming the trough is downward. It is folded and joined to the other edge of the cut outer fabric 3 to form a recess 4 having an r-shaped cross section, and a hook-and-loop fastener 5 is encapsulated below the recess 4 and sewn by a sewing thread 8. It is sewn and fixed integrally.

As described above, the pie pin 6 is also sewn and fixed in the embodiment of FIG. 5 when the sewn and fixed. On the other hand, a surface fastener 5 corresponding to the surface fastener 5 on the lower outer side of the recess 4 is also bonded and fixed by an adhesive to the strip-shaped portion 9 on the back plate 1 in which the cushion material 2 is not inserted. When the surface fastener 5 is surface-bonded, the exterior cloth 3 and the back plate 1 are fixed, and the back support member 7 is completed.

A gusset member, a front partition plate, a lid, a shoulder belt, and the like, which form a storage portion of the bag, are attached to the completed back support member 7, and a backpack-type bag such as a school bag and a rucksack is completed.

[0025]

EFFECTS OF THE INVENTION According to the present invention, it is not necessary to sew the outer cloth and the backboard, and the unevenness due to the cushion material can be formed on the line of a gentle bend, and the outer cloth is not wrinkled due to the influence of the cushion material. Provided is a backrest member capable of giving a feeling of volume to a portion where a cushion material is not inserted.

Therefore, the worker can be provided with the backing member which can easily install the outer cloth and can reduce the labor, and the user can obtain a voluminous appearance without wrinkles. You can receive a good back support member.

[Brief description of drawings]

FIG. 1 is a perspective view showing a school bag to which a conventional back support member 7 is attached.

FIG. 2 is a sectional view of a conventional back support member 7.

FIG. 3 is an overall perspective view showing a back support member 7 according to an embodiment of the present invention.

FIG. 4 is an AA showing a back support member 7 according to an embodiment of the present invention.
FIG.

FIG. 5 is a partially enlarged sectional view showing a back support member 7 according to another embodiment of the present invention.

[Explanation of symbols]

 1 Back Plate 2 Cushion Material 3 Exterior Fabric 4 Cavity 5 Surface Fastener 6 Pipin 7 Back Support Member 8 Sewing Thread 9 Band-shaped Part 10 Outer Part

Claims (2)

[Claims] 1. A backing member for a backpack-type bag having a back plate (1), a cushioning material (2), and an outer cloth (3), wherein the outer cloth (3) is a cushioning material. It is cut according to the unevenness of (2), the edge forming the valley of the cut outer fabric (3) is bent downward, and is joined with the edge of another cut outer fabric (3) to form a recess. Forming a part (4), enclosing a surface fastener (5) on the outer side below the recess (4), and fixing the edge of the exterior fabric (3) and the surface fastener (5) by sewing. The back fastener (5) corresponding to the hook-and-loop fastener (5) fixed to the portion (4) is provided on the back plate (1), and the cushion material (2) is provided on the raised portion between the back plate (1) and the exterior fabric (3). ) Is placed on the backrest member of the backpack type bag. 2. The pie pin (6) is inserted into the recess (4), and the exterior cloth (3), the surface fastener (5) and the pie pin (6) are sewn and fixed. Back support member for the backpack type bag described.