JP2601438Y2 - File box - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a file box for storing documents and the like in an upright state.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 11, in a file box for storing documents and the like in an upright state, a box having a substantially rectangular parallelepiped shape composed of opposed side plates 2, a back plate 3 and a bottom plate 4 is used. The body has an opening formed from one surface to another surface connected to the one surface.

The side plate 2 of the file box 1 is B5
It has an area corresponding to the size of the sheet to be stored, such as the size and A4 size. Therefore, for example, when the A4 size document is placed vertically with its long side vertical, the file box 1 also has the same size. The long side of the side plate 2 is made vertical and placed vertically. In addition, an A4 size document is arranged according to the storage state of the document, such as being placed horizontally with its short side vertical.

As shown in FIGS. 12 and 15, the surface of the side plate 2 is processed into an uneven shape, and a vertically long opening 2a is cut out in a concave portion thereof. The rear plate 3 is rectangular as shown in FIG. 13, and is provided with a rectangular label attaching surface 3a and a substantially elliptical window 3b. Further, similarly, as shown in FIG.
A rectangular label sticking surface 4a and a circular through hole 4b are provided.

[0005] The opening 2a or window 3b and the through hole 4b provided on each surface reduce the material cost and weight of the file box.

[0006]

However, in such a conventional file box 1, the opening 2a provided in the side plate 2 is not connected to the edge of the side plate 2, so that the file box 1 is not formed. At the time of punching, it was necessary to open the mold in the vertical direction in order to maintain the shape of the opening 2a, and an independent mold for forming the side plate 2 was required. For this reason, two molds for forming the side plate 2, one L-shaped mold for forming the back plate 3 and the bottom plate 4, and one mold surrounded by the above-mentioned surfaces and entering the inside. A total of four dies are required.

Furthermore, since each die must be opened in four directions during die cutting, the die cutting process is complicated, the operation is increased, and the molding machine becomes large. .

The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a file box which is simple in molding method and reduced in weight.

[0009]

In order to solve the above-mentioned problems, in a file box according to the present invention, a pair of opposed side plates at intervals and a rear edge of the side plates are provided continuously. A back plate, and a bottom plate connected to the bottom edge of the side plate, an opening is provided in the side plate,
In a file box formed by a mold, the opening is formed such that an opening edge of the opening is continuous with an edge of the side plate, and when the die is pulled out in a direction along a surface of the side plate,
When a parallel line parallel to the direction in which the mold is removed is imagined, all the parallel lines are formed so as to be in line contact or point contact over the entire periphery of the opening edge without being interrupted.

[0010] Further, the opening is provided so as to be continuous with the rear edge, or so as to be continuous with the bottom edge.

[0011] The side plate is provided with the first opening extending to the rear edge and the second opening extending to the bottom edge.

Further, a plurality of the respective openings are provided.

[0013] The opening is open over the rear edge and the bottom edge.

[0014]

In the above structure, when the opening edge of the opening is continuous with the edge of the side plate and the mold is pulled out in a direction along the surface of the side plate, When imagining a parallel line parallel to the direction in which the mold is pulled out, without blocking all the parallel lines, on the entire periphery of the opening edge,
Because it is molded to be in line or point contact,
When cutting, the mold can be opened along the side plate, and the mold does not need to be opened perpendicular to the opening, and the mold for forming the side plate does not need to be independent.

Therefore, the file box can be formed by using two dies for forming the back plate, the bottom plate, and the side plate, and the dies that enter the inside of each surface. As a result, the number of dies for forming the file box is reduced, and the number of operations for opening the dies for cutting is also reduced. Also, since the opening is formed in the side plate,
The file box can be reduced in weight.

Further, since the opening is provided so as to be continuous with the rear edge or the bottom edge, an arm for linearly connecting the front end of the back plate and the front end of the bottom plate is provided. Formed on the side plate, increasing the strength of the file box.

Further, since the side plate is provided with the first opening extending to the rear edge and the second opening extending to the bottom edge, the front end of the rear plate is provided with the first opening. An arm that linearly joins the tip of the bottom plate is formed on the side plate,
Further, a support portion is formed to be connected to the arm portion from a connection portion between the back plate and the bottom plate, thereby further increasing the strength of the file box.

Further, even if a plurality of the above-mentioned openings are provided, the same operation as described above occurs.

Further, since the opening is formed over the rear edge and the bottom edge, documents placed inside the file box can be easily checked.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the file box 1 is formed of a synthetic resin, and is provided continuously with a pair of side plates 2 facing each other at a distance and a rear edge 2 d of the side plates 2. The back plate 3 and the bottom plate 4 connected to the bottom edge 2e of the side plate 2 are integrally formed by a mold.

The side plate 2 has a fan shape, and a rear edge 2d which is a long side and a bottom edge 2e which is a short side whose base ends intersect perpendicularly, and a tip of each side is substantially arc-shaped. And a front edge portion 2f for B5 size or A4 size.
The size is suitable for the paper size. The side plate 2
Is provided with a first opening 2b as a first opening and a second opening 2c as a second opening.

The first opening 2b has a substantially triangular shape having an opening edge 5, and the opening edge 5 is formed at a rear edge 2d of the side plate 2.
It is notched to be continuous. The second opening 2c
It is also substantially triangular with an opening edge 6, and the opening edge 6 is notched so as to be continuous with the bottom edge 2 e of the side plate 2. Therefore, the width of each of the openings 2b and 2c is maximized on each of the edges 2d and 2e.

An arm 2h and a support 2g are formed on the side plate 2 by the oblique sides of the openings 2b and 2c. The arm 2h is formed so as to linearly connect the tip of the back plate 3 and the tip of the bottom plate 4, and the support 2g is connected to the bottom edge 2e and the rear edge. From the portion where the edge portion 2d is continuously provided, it extends in the direction of the front edge portion 2f so as to widen the width, and is connected to the arm portion 2h.

The first opening 2b and the second opening 2
As shown in FIG. 2, as shown in FIG. 2, when performing injection molding and shaping, when a parallel line 7 parallel to the direction A in which the mold indicated by the white arrow is drawn is imagined, all the parallel lines 7 are blocked. Instead, it is formed so as to be in point contact over the entire circumference of each of the opening edges 5 and 6.

As shown in FIGS. 3 and 4, the rear plate 3 has a substantially rectangular shape, and includes a rectangular label attaching surface 3a, a substantially elliptical window 3b, and a rectangular first cutout 3c. Is provided. The first notch 3 c is provided in the first side plate 2.
It is notched in a state continuous with the opening 2b.

As shown in FIG. 5, the bottom plate 4 has a substantially rectangular shape, and is provided with a rectangular label attaching surface 4a, a substantially elliptical through hole 4b, and a rectangular second cutout 4c. I have. The second notch 4c is notched in a state of being continuous with the second opening 2c of the side plate 2.

In this embodiment having the above structure, the opening edges 5 and 6 of the openings 2b and 2c of the side plate 2 are continuous with the rear edge 2d and the bottom edge 2e, respectively. When forming and punching, when a parallel line 7 parallel to the direction in which the mold is removed is imagined, all the parallel lines 7 are not obstructed, and point contact is made over the entire periphery of each of the opening edges 5 and 6. Each opening 2
There is no need to open the mold vertically with respect to b and 2c, and there is no need to separately manufacture a mold for forming the side plate 2.

The first opening 2b and the second opening 2c are provided so as to be continuous with the first notch 3c of the back plate 3 and the second notch 4c of the bottom plate 4, and The width of the portion 2g decreases in the direction from the front edge 2f to the rear edge 2d and the bottom edge 2e.

For this reason, the side plate 2, the back plate 3, and the bottom plate 4
Is formed, and a convex portion for forming each of the openings 2b and 2c is provided in this die. Even when a file box is manufactured, the die is moved in the direction in which the supporting portion 2g extends. Can be pulled out. Therefore, the number of dies and the direction in which the dies are opened can be reduced.

Thus, conventionally, four molds are used and
Although the mold was opened in the direction and the mold was cut out, the mold can be cut out by opening the mold in two directions by using two molds. Using one molding machine that can open the mold in the conventional four directions,
The two file boxes 1 can be manufactured at the same time, so that the manufacturing cost can be reduced or the molding period can be shortened to improve the productivity.

Further, since the side plates 2 are provided with the openings 2b and 2c, the material cost of the file box 1 can be reduced and the weight can be reduced.

Therefore, the molding method is simplified, and the weight of the file box is reduced.

Further, the tip of the back plate 3 and the tip of the bottom plate 4 are linearly connected by the arm 2h, and the arm 2h is connected to the connection between the back plate 3 and the bottom plate 4 by the support 2g. 2h, the strength of the file box 1 is also increased.

FIG. 6 shows a second embodiment of the present invention, in which openings 8 and 9 are continuous with the front edge 2f of the side plate 2,
In addition, when the openings 8 and 9 are formed by injection molding and cutting, when imagining a parallel line parallel to the direction A in which the mold indicated by the white arrow is drawn, all the parallel lines are not interrupted, and The openings 8a and 9a are formed so as to make line contact or point contact over the entire circumference.

For this reason, the side plate 2, the back plate 3, and the bottom plate 4
The file box 1 can be molded by using two molds, one mold capable of integrally molding and the other mold inside each surface. Therefore, the number of dies and the direction in which the dies are opened can be reduced.

Further, since the opening portions 8 and 9 are provided in the side plate 2, the material cost of the file box 1 can be reduced and the weight can be reduced.

Accordingly, the molding method is simplified, and the weight of the file box is reduced. In addition,
(1) shows the case where there is one opening, and (2) shows the case where there are a plurality of openings.

FIG. 7 shows a third embodiment of the present invention. The openings 10 and 11 are continuous with the rear edge 2d of the side plate 2, and the openings 10 and 11 are formed by injection molding. When performing the punching, when imagining a parallel line parallel to the direction A in which the mold of the white arrow is drawn, all the parallel lines are not interrupted,
The opening edges 10a and 11a are formed so as to make line contact or point contact over the entire circumference.

For this reason, the side plate 2, the back plate 3, and the bottom plate 4
The file box 1 can be molded by using two molds, one mold capable of integrally molding and the other mold inside each surface. Therefore, the number of dies and the direction in which the dies are opened can be reduced.

Further, since the side plates 2 are provided with the openings 10 and 11, the material cost and the weight of the file box 1 can be reduced.

Accordingly, the molding method is simplified, and the weight of the file box is reduced. In addition,
(1) shows the case where there is one opening, and (2) shows the case where there are a plurality of openings.

FIG. 8 shows a fourth embodiment of the present invention, wherein the openings 12, 13 are continuous with the bottom edge 2e of the side plate 2, and the openings 12, 13 are formed by injection molding. When performing the punching, when imagining a parallel line parallel to the direction A in which the mold of the white arrow is drawn, all the parallel lines are not interrupted,
The openings 12a and 13a are formed so as to make line contact or point contact over the entire circumference.

For this reason, the side plate 2, the back plate 3, and the bottom plate 4
The file box 1 can be molded by using two molds, one mold capable of integrally molding and the other mold inside each surface. Therefore, the number of dies and the direction in which the dies are opened can be reduced.

Further, since the side plates 2 are provided with the openings 12 and 13, the material cost and the weight of the file box 1 can be reduced.

Therefore, the molding method is simplified and the weight of the file box is reduced. In addition,
(1) shows the case where there is one opening, and (2) shows the case where there are a plurality of openings.

FIG. 9 shows a fifth embodiment of the present invention, in which the opening 14 has a rear edge 2d and a bottom edge 2e of the side plate 2. As shown in FIG.
And when the opening 14 is formed by injection molding and shaping, when a parallel line parallel to the direction A in which the mold indicated by the white arrow is drawn is parallel, all the parallel lines are blocked. Instead, it is formed so as to make point contact over the entire periphery of each opening edge 14a.

For this reason, the side plate 2, the back plate 3, and the bottom plate 4
The file box 1 can be molded by using two molds, one mold capable of integrally molding and the other mold inside each surface. Therefore, the number of dies and the direction in which the dies are opened can be reduced.

Further, since the opening 14 is provided in the side plate 2, the material cost of the file box 1 can be reduced and the weight can be reduced.

Therefore, the molding method is simplified and the weight of the file box is reduced.

FIG. 10 shows a sixth embodiment of the present invention. The opening 15 is continuous with the rear edge 2d or the bottom edge 2e of the side plate 2, and the opening 15 is formed by injection molding. When cutting out, when imagining a parallel line parallel to the direction A in which the mold indicated by the white arrow is drawn, all the parallel lines are not interrupted, and the line contact is made over the entire circumference of each opening edge 15a. Alternatively, it is formed so as to make point contact.

For this reason, the side plate 2, the back plate 3, and the bottom plate 4
The file box 1 can be molded by using two molds, one mold capable of integrally molding and the other mold inside each surface. Therefore, the number of dies and the direction in which the dies are opened can be reduced.

Further, since the opening 15 is provided in the side plate 2, the material cost of the file box 1 can be reduced and the weight can be reduced.

Therefore, the molding method is simplified, and the weight of the file box is reduced. This embodiment is different from the first embodiment in that a plurality of first openings and second openings are provided.

[0054]

[Effect of the Invention] As described above, in the present invention,
When shaping the file box with a mold and removing the mold, there is no need to make the mold for forming the side plate independent, and an integrated mold for forming the back plate, bottom plate, and side plate,
A file box can be formed by a mold that enters inside each of the surfaces. Thereby, the manufacturing cost of the mold is reduced, and the molding period of the mold is also shortened.

In addition, conventionally, four molds were used to open the mold in four directions and punching was performed. However, since two molds were used and the mold could be opened in two directions, molding was performed. The size of the machine can be reduced, or a plurality of file boxes can be manufactured by one molding machine, so that manufacturing cost can be reduced or productivity can be improved.

Further, since the opening is formed in the side plate, the weight of the file box can be reduced, and the manufacturing cost can be reduced.

Therefore, a file box which is simple in molding method and reduced in weight can be provided.

Also, since the opening is provided so as to be continuous with the rear edge or the bottom edge, an arm for linearly connecting the front end of the back plate and the front end of the bottom plate is provided. Since it is formed on the side plate, it becomes a highly rigid file box.

Further, the side plate is provided with the first opening extending to the rear edge and the second opening extending to the bottom edge, so that the front end of the rear plate is provided. An arm portion that linearly couples the tip portion of the bottom plate is formed on the side plate, and a support portion that is connected to the arm portion from a joint portion between the back plate and the bottom plate is formed, so that it is more rigid. File box.

Further, even if a plurality of the openings are provided, the same effect as described above can be obtained.

Further, since the opening is formed over the rear edge and the bottom edge, it is easy to confirm documents placed inside the file box, and the file is very easy to use. Become a box.

[Brief description of the drawings]

FIG. 1 is a side view of a file box showing a first embodiment of the present invention.

FIG. 2 is a side view showing a shape of an opening of the file box.

FIG. 3 is a front view of the file box.

FIG. 4 is a rear view of the file box.

FIG. 5 is a bottom view of the file box.

FIG. 6 is a side view of the file box showing the second embodiment of the present invention.

FIG. 7 is a side view of a file box showing a third embodiment of the present invention.

FIG. 8 is a side view of a file box according to a fourth embodiment of the present invention.

FIG. 9 is a side view of a file box according to a fifth embodiment of the present invention.

FIG. 10 is a side view of a file box showing a sixth embodiment of the present invention.

FIG. 11 is an external perspective view showing a conventional file box.

FIG. 12 is a side view showing a side plate of the file box.

FIG. 13 is a rear view showing a rear plate of the file box.

FIG. 14 is a bottom view showing the bottom plate of the file box.

FIG. 15 is a sectional view of a side plate of the file box.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 file box 2 side plate 2a opening 2b first opening 2c second opening 2d rear edge 2e bottom edge 2f front edge 2g support 2h arm 3 back plate 3a label sticking surface 3b window 3c 1 Notch 4 Bottom plate 4a Label sticking surface 4b Through hole 4c Second notch 5 Opening edge 6 Opening edge 7 Parallel line

Claims (6)

(57) [Scope of request for utility model registration] 1. A pair of side plates facing each other at an interval, a back plate connected to a rear edge of the side plate, and a bottom plate connected to a bottom edge of the side plate. An opening is provided in the side plate, and in a file box injection-molded by a mold, the opening has an opening edge continuous with an edge of the side plate, and a surface of the side plate. When pulling out the mold in the direction along, when imagining a parallel line parallel to the direction in which the mold is pulled out,
A file box, wherein all of the parallel lines are formed so as to be in line contact or point contact with the entire periphery of the opening edge without being interrupted. 2. The file box according to claim 1, wherein the opening is provided so as to be continuous with the trailing edge. 3. The file box according to claim 1, wherein the opening is provided so as to be continuous with the bottom edge. 4. The side plate is provided with a first opening extending to the rear edge and a second opening extending to the bottom edge. File box. 5. The file box according to claim 1, wherein a plurality of said openings are provided. 6. The file box according to claim 1, wherein the opening is opened over the rear edge and the bottom edge.