JPH0617972U - clear file - Google Patents

Abstract

(57) [Summary] [Purpose] It is an object of the present invention to provide a clear file that can be manufactured at low cost without the partition sheet in the clear file shifting. [Structure] A transparent resin-made transparent sheet having heat-sealing properties is inserted between a front surface and a back surface of a rectangle which are continuous in a state of being folded at one end at a folding portion. The opaque or colored partition sheet made of synthetic resin having heat fusion properties is formed, and the bottom portion is formed by heat welding the three parts of the front surface portion, the back surface portion and the partition sheet at one side orthogonal to the folded portion. However, the other side is opened at the entrance.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a clear file which is used, for example, when a stamp sheet, newspaper scraps, etc., are put in the binder and the like, and are filed.

[0002]

[Prior art]

 A conventional clear file is a flat bag made of transparent synthetic resin film, and colored paper is inserted into this transparent bag as a partition sheet to store stamp sheets and newspaper scrap on both sides of the bag. It can be used as a space.

[0003]

[Problems to be solved by the device]

 With the conventional clear file described above, the partition sheet is only inserted into the bag, so the partition sheet can easily slip or move when inserting or removing stamp sheets or newspaper scraps stored in the clear file. There was a problem that it would come out.

Further, the clear file is made into a flat bag made of a transparent and thin synthetic resin film, and an opening / closing port formed at one end is opened, and it takes a lot of trouble to insert the partition sheet from here. There was also the problem that the manufacturing cost would be too expensive to finish. The present invention has been proposed in view of the above problems, and it is an object of the present invention to provide a clear file that can be manufactured at low cost without the partition sheet in the clear file shifting.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the clear file according to the present invention first comprises a rectangular front surface and a rear surface in which a transparent sheet made of a synthetic resin having heat-sealing property is continuously folded at one end at a folded portion. And a partition sheet made of an opaque or colored synthetic resin having heat fusion properties and interposed between the front surface portion and the back surface portion. The front surface portion, the back surface portion and the partition sheet are divided into three parts. It is characterized in that the person is heat-welded on one side orthogonal to the folded portion to form the bottom and the other side is opened at the inlet / outlet port.

Next, a transparent sheet made of a synthetic resin having a heat-melting property is formed into a rectangular front surface portion and a rear surface portion which are continuous in a state where the transparent sheet is folded back at one end portion, and the front surface portion and the back surface portion. It is composed of an opaque or colored partition sheet made of synthetic resin having a heat-sealing property, and is heat-sealed at the other end facing the folded-back portion of the front surface portion and the back surface portion. It has a cylindrical shape, and the three parts of the front and back parts and the partition sheet are heat-welded on one side orthogonal to the folded part to form the bottom part, and the other side is opened to the inlet and outlet. To do.

[0007] A transparent resin-made transparent sheet having heat-sealing properties is provided between the front surface and the back surface of the rectangle, which are continuous in a state of being folded at one end at the folding portion, and between the front surface portion and the back surface portion. It consists of an intervening opaque or colored partition sheet made of synthetic resin having heat-sealing properties.The other end of the front and back surfaces facing the folded-back portion and the side edge of the partition sheet are heat-sealed. One of the features is that the bottom part is formed by heat-welding one side orthogonal to the front surface part and the back surface part, or the front surface part and the back surface part, and the folded part of the partition sheet, and the other side is opened to the inlet and outlet. Is one.

[0008]

[Action]

 First, a transparent synthetic resin transparent sheet wound in a roll and having a heat fusion property. A transparent resin synthetic sheet supplied from a supply source, and a rectangular front surface and a back surface that are continuous in a state of being folded at a folded portion. To form a part. Next, an opaque or colored partition sheet made of a synthetic resin having heat fusion property is interposed between the front surface portion and the back surface portion, and one side of the front surface portion and one side of the back surface portion are heat-welded. Then, the bottom is formed, but at this time, the portion corresponding to the bottom of the partition sheet is welded while being sandwiched between the front surface portion and the back surface portion.

Further, in the case of welding the front surface portion and the back surface portion on the side facing the folded-back portion, when the front surface portion and the back surface portion are welded, the partition sheet is placed between the front surface portion and the back surface portion. It may be welded while being sandwiched between. After that, the desired clear file is formed by cutting into a predetermined size.

The clear file thus formed is formed in a state in which the partition sheet mounted therein is securely fixed between the front surface portion and the back surface portion.

[0011]

【Example】

 An embodiment of a clear file according to the present invention will be described below with reference to the drawings. 1 is a partially cutaway perspective view of the clear file, FIG. 2 is a sectional view taken along the line AA in FIG. 1, and FIG. 3 is a sectional view taken along the line BB in FIG. Indicates a clear file as a whole.

The clear file 1 has a rectangular front surface portion 4 and a rear surface portion 5 which are continuous in a state in which a transparent sheet 2 made of a synthetic resin having a heat fusion property such as polypropylene is folded back at a folded portion 3 at one end. And a partition sheet 6 made of colored synthetic resin having heat fusion property such as polypropylene interposed between the front surface portion 4 and the rear surface portion 5, the front surface portion 4, the back surface portion 5 and One side 1a, which directly intersects the folded-back portion 3 with the three parts of the partition sheet 6, is heat-welded 7 to form a bottom portion 8, and the other side 1b is opened as an inlet / outlet opening 9.

The procedure for forming the clear file 1 will be described below. First, the apparatus for producing the clear file 1 is a thin film forming the front surface portion 4 and the back surface portion 5 as shown in FIG. A material roll 11 wound with a flat tubular material 10 and a material roll 13 wound with a material 12 of a partition sheet 6 are provided close to each other. Next, between the cutter 14 and the roll heater 15, the cutter 14 that cuts open one side edge portion of the material on the lower side of the material roll 11 in the material feeding direction, the roll heater 15 that welds the opening portion, The insertion portion 16 for inserting the material 12 fed from the material roll 13 into the material 10 opened in the opening, the fusing blade 18 having the heating device 17 on the lower side of the roll heater 15, and the fusing blade 18 The cutting blade 19 is provided with an interval (an interval of the length of one clear file) L provided.

In the device for manufacturing this clear file, the material 12 fed from the material roll 13 is inserted by the insertion portion 16 while the one side edge is opened by the cutter 14, and this opening is welded by the roll heater 15. When it is sent to the fusing blade 18 after being cut, the two clear files are fused and cut into continuous lengths of 2 L. The cut portion thus fused is in a state in which the front surface portion 4, the back surface portion 5 and the partition sheet 6 are welded (indicated by a dotted line in the figure).

Then, the two pieces of the clear file 1 are melted and cut into continuous lengths of 2 L, and the material 20 is conveyed by the continuous length of 2 L of the two pieces of the clear file 1, and then the central portion thereof is cut by the cutting blade 19. Then, two clear files 1 having the cut-out portion as the loading / unloading port 21 are simultaneously formed. After that, the through hole 23 for a file is formed in the portion welded by the roll heater 15.

As in the above-described embodiment, one side edge portion of the material 10 formed into a tubular shape by the cutter 14 is opened, the material 12 is inserted therein, and then the opening is welded by the roll heater 15. With this arrangement, the roll heater 15 can be used to weld the side edge of the partition sheet 6, and when the material 10 is folded back at the folding portion 3, a cutter is used. It goes without saying that the step of opening one side edge of the material 10 at 14 can be omitted.

Further, as shown in FIG. 6, the fusing blade 18 of the above-described embodiment is replaced with a welding tool 22, and the distance between the welding tool 22 and the cutting blade 19 disposed on the lower side thereof is set to the length of the clear file 1. If the material feed is made slightly longer or shorter than L by α, and the material is fed at a pitch of the length L of the clear file 1, the clear files 1 can be formed one by one. Further, as shown in FIG. 7, when the welding tool 22 and the fusing blade 18 are provided close to each other and the material is fed at a pitch of the length L of the clear file 1, the clear files 1 are formed one by one. Can be done.

In addition, the welding by the roll heater 15 of the above-described embodiment and the file through hole 23 can be omitted, and the cutting tool such as a cutter can be a manual cutting tool such as scissors or knife. Is. It

[0019]

[Effect of device]

 As described above, the clear file of the present invention is configured so that the partition sheet mounted in the clear file is firmly fixed between the front surface part and the back surface part, There is an advantage in that the partition sheet does not easily move or come out when a stamp sheet or newspaper scrap is put in or taken out, and a clear file can be easily handled.

The clear file is completed when the partition sheet is inserted before the bottom or side edges are welded, the bottom or side edges are welded, and cut to a predetermined size. , A thin transparent synthetic resin film is used to open the flat bag inlet / outlet port, and the laborious work of inserting a partition sheet from here can be omitted, enabling mass production and significantly reducing manufacturing costs. There is also an advantage that you can do it.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of a clear file.

FIG. 2 is a sectional view taken along the line AA in FIG.

FIG. 3 is a sectional view taken along line BB in FIG.

FIG. 4 is a perspective view showing an outline of an apparatus for manufacturing a clear file.

FIG. 5 is an explanatory diagram showing positions where the material of the clear file is cut.

FIG. 6 is an explanatory diagram showing a state in which the position for cutting the material of the clear file is changed.

FIG. 7 is an explanatory diagram of a state in which the position for cutting the material of the clear file is further changed.

[Explanation of symbols]

 1 ... Clear file 2 ... Transparent sheet 3 ... Folded portion 4 ... Front surface portion 5 ... Back surface portion 6 ... Partition sheet

Claims (3)

[Scope of utility model registration request] 1. A transparent resin-made transparent sheet having heat-sealing property is provided between a front surface portion and a back surface portion of a rectangle which are continuous at a folded portion at one end portion, and between the front surface portion and the rear surface portion. It consists of an opaque or colored partition sheet made of synthetic resin having heat-fusion property, and the bottom part is formed by heat-sealing the three parts of the front surface portion, the back surface portion and the partition sheet at one side orthogonal to the folded portion. The clear file is characterized in that the other side is formed and the other side is opened in and out. 2. A transparent resin-made transparent sheet having heat-sealing properties is provided between a rectangular front surface portion and a rear surface portion which are continuous at a folded back portion at one end, and between the front surface portion and the back surface portion. It is composed of an intervening opaque or colored partition sheet made of a synthetic resin having a heat-sealing property, and the other end portion facing the folded portion of the front surface portion and the back surface portion is heat-sealed to form a tubular shape. The clear file is characterized in that the bottom portion is formed by heat-welding the three parts of the front surface portion, the back surface portion, and the partition sheet at one side orthogonal to the folded portion, and the other side is opened at the inlet / outlet port. 3. A transparent resin-made transparent sheet having heat-sealing properties is provided between a front surface portion and a back surface portion of a rectangle which are continuous in a state of being folded back at a folding portion at one end, and between the front surface portion and the back surface portion. It consists of an intervening opaque or colored partition sheet made of synthetic resin having heat-sealing properties, and heat-melts the other end of the front surface portion and the back surface portion facing the folded-back portion and the side edge portion of the partition sheet. Along with wearing, one side orthogonal to the front part and the back part or the front part and the back part and the folded part of the partition sheet is heat-welded to form the bottom part, and the other side is opened to the inlet / outlet opening. File.