JPH0526445U - File for binding - Google Patents

Abstract

(57) [Abstract] [Purpose] To improve the efficiency of bookbinding work by heating the file to which the thermoplastic adhesive is applied and to improve the safety aspect. [Structure] A thermoplastic adhesive 6 is applied to the inside of the spine cover 4 in a file base 5 in which a front cover 2 and a back cover 3 can be folded via a spine cover 4. At least the spine cover portion to which the thermoplastic adhesive 6 is applied is formed of a heat conductive member. As a result, the heat from the heating means is transmitted to the thermoplastic adhesive 6 through the spine cover 4, and the thermoplastic adhesive 6 is melted to bond the material in the file 1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a bookbinding file, and more specifically, to an improvement of a bookbinding file in which materials such as papers and documents are adhered and bound with a thermoplastic adhesive.

[0002]

[Prior Art]

 As a conventional bookbinding file of this type, it is known that the back cover is coated with a thermoplastic adhesive.As a bookbinding machine for binding this file, a heating means and a heating surface side of this heating means are used. A file supporting portion for supporting a bookbinding file is provided, and the thermoplastic adhesive applied to the back of the bookbinding file is heated by a heating means, so that the material is bound in the bookbinding file. Some are known (see Japanese Utility Model Laid-Open No. 60-102960).

[0003]

[Problems to be solved by the device]

 However, since the spine of a conventional bookbinding file of this type uses a member made of paper, cloth, plastic, or a combination thereof, the heat from the heater is blocked by the members of these files. However, there is a problem that it takes time to melt the thermoplastic adhesive and the bookbinding efficiency is poor. In order to solve this problem, it is possible to raise the temperature of the heating part to a higher temperature, but this method has a problem in terms of safety because the temperature of the heating part becomes higher.

The present invention has been made in view of the above circumstances, and provides a file for bookbinding, which efficiently transfers heat from a heating means and melts an adhesive in a short time to perform bookbinding. The purpose is.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the bookbinding file of the present invention is premised on a bookbinding file in which a thermoplastic adhesive applied to the spine cover is melted by heating to bind materials, and at least a heat The back cover part to which the plastic adhesive is applied is formed of a heat conductive member.

In the present invention, as the heat conductive member, for example, a metal sheet, a conductive plastic sheet, a metal vapor deposition film, a metal woven cloth, or any of the above materials mixed with metal powder, or the above composite member, etc. It is possible to use a member having good thermal conductivity.

Further, if the above-mentioned heat conductive member forms at least the spine cover portion to which the thermoplastic adhesive is applied, the entire file may be formed of the heat conductive member, but it is preferable. Form the spine cover with a thermally conductive member with a U-shaped cross section and attach the front cover and back cover to the standing pieces on both sides, or open the spine cover at the application site of the thermoplastic adhesive. Is preferably provided, and the opening is covered with a heat conductive plate member.

[0008]

[Action]

 According to the bookbinding file of the present invention configured as described above, at least the back cover portion to which the thermoplastic adhesive is applied is formed of the heat conductive member, so that the heat from the heating means can be shortened in a short time. When the material is transferred to the thermoplastic adhesive, the thermoplastic adhesive melts, and the melted adhesive permeates the edges and sides of the material to fix the material. Further, the thermoplastic adhesive can be melted without raising the heating temperature more than necessary.

Further, the back cover is formed of a heat-conductive member having a U-shaped cross section, and the front cover and the back cover are attached to the upright strips on both sides of the back cover, respectively, so that the constituent materials of the file can be reduced. At the same time, the degree of freedom in designing the file is increased, and the strength of the file is increased.

Furthermore, by covering the opening provided at the site where the thermoplastic adhesive is applied on the spine cover with the heat conductive plate member, the material of the file can be further reduced and the flexibility in designing the file can be achieved. And the efficiency of file manufacturing work can be improved.

[0011]

【Example】

 An embodiment of the present invention will be described below in detail with reference to the drawings.

First Embodiment FIG. 1 is a partial sectional perspective view of the bookbinding file of the first embodiment of the bookbinding file of the present invention.

The bookbinding file 1 of the present invention has a file base 5 in which a front cover 2 and a back cover 3 can be folded via a spine cover 4, and a file base 5 coated on the inside of the spine cover 4. And a thermoplastic adhesive 6.

The file base 5 is formed of a single heat conductive member such as a metal sheet, a conductive plastic sheet, or a metal vapor deposition film, or a composite member thereof.

The thermoplastic adhesive 6 is formed of a base polymer, waxes, a plasticizer, a tackifier, an antioxidant, a filler, and the like. As the base polymer, for example, ethylene-vinyl acetate copolymer, Ethylene-acrylic acid ester copolymers, polyamides, polyesters, etc. are used.

In order to bind the material A using the bookbinding file 1 of the present invention configured as described above, it is possible to perform bookbinding using the desk-top bookbinding machine 10 as shown in FIG. That is, after the documents A are stored in the file base 5 in an aligned state, the file 1 is held upright on the heating surface of the heating unit 11 of the bookbinding machine 10 by the file supporting units 12 and 12. When the heating unit 11 is heated in this state, the heat from the heating unit 11 is efficiently transmitted to the thermoplastic adhesive 6 through the spine cover 4 formed of the heat conductive member, and the thermoplastic adhesive Material 6 is melted, and the melted adhesive penetrates into the gap between the end portion and the side portion of the material A, so that the material A is bonded in the file 1. Therefore, since the heat from the heating unit 11 is transferred to the thermoplastic adhesive 6 in a short time, the efficiency of the bookbinding work can be improved, and the temperature of the heating unit 11 cannot be increased more than necessary. The bookbinding work can be performed safely. Furthermore, it is also possible to use a thermoplastic adhesive 6 having a high melting temperature which could not be used conventionally.

In FIG. 2, reference numeral 13 is a sensor for detecting a file, which is attached to the file support 12 to detect the presence or absence of a file, and the detection signal is displayed by a lamp, a buzzer, or the like (not shown). It is transmitted to the means and the control unit of the heating unit 11.

Second Embodiment FIG. 3 is a partial sectional perspective view of a second embodiment of the bookbinding file of the present invention.

The bookbinding file in the second embodiment is a case where the spine cover of the file base is formed of a heat conductive member. That is, a spine cover 4 having a U-shaped cross section is formed by a heat conductive member, and the cover sheet 2 and the back cover sheet 3 are attached to the both-side upright pieces 4a and 4a of the spine cover sheet 4, respectively, to bind the bookbinding file. This is the case where 1 is formed.

By forming only the back cover 4 with the heat conductive member as described above, it is possible to use any material for the front cover 2 and the back cover 3, so that the number of constituent materials can be reduced. At the same time, it is possible to increase the degree of freedom in designing the bookbinding file. Further, since the spine cover 4 is formed in a U-shaped cross section, the strength of the file 1 can be increased by forming the spine cover 4 with a metal sheet, for example.

Since the other parts of the second embodiment are the same as those of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted.

Third Embodiment FIG. 4 is a perspective view of a third embodiment of the bookbinding file of the present invention, and FIG. 5 is a sectional view taken along line VV of FIG.

The bookbinding file in the third embodiment is a case in which the constituent materials are reduced and the degree of freedom in designing the file is further increased. That is, a rectangular opening 7 is provided in a portion of the spine cover 4 of the file base 5 to which the thermoplastic adhesive 6 is applied, and a heat conductive plate is provided so as to cover the opening 7 on the back surface side of the spine cover 4, that is, the side surface of the material to be adhered. This is a case where the member 8 is attached and the thermoplastic adhesive 6 is applied to the heat conductive plate member 8.

With the above-mentioned configuration, the heat conductive member can be used only in the minimum necessary range, so that it is possible to reduce the number of constituent materials and the degree of freedom in designing the file. Can be further increased. In addition, since the heat conductive plate member 8 can be adhered to the file base 5 after the thermoplastic adhesive 6 is applied to the heat conductive plate member 8, the file manufacturing work can be performed efficiently.

Since the other parts of the third embodiment are the same as those of the first and second embodiments, the same parts are designated by the same reference numerals and the description thereof will be omitted.

[0026]

[Effect of the device]

 As described above, according to the present invention, since it is configured as described above, the following effects can be obtained.

1) According to the bookbinding file of claim 1, since at least the spine cover portion coated with the thermoplastic adhesive is formed of the heat conductive member, the bookbinding work can be performed in a short time. You can do it safely.

2) According to the bookbinding file of claim 2, the spine cover is formed of a heat-conductive member having a U-shaped cross section, and the back cover and the back cover are attached to the standing pieces on both sides of the spine cover, respectively. As a result, in addition to the above 1), it is possible to reduce the number of constituent materials, increase the degree of freedom in designing the file, and increase the strength of the file.

3) According to the bookbinding file of claim 3, an opening is provided in the spine cover at the site where the thermoplastic adhesive is applied, and the opening is covered with the heat conductive plate member. In addition to 1), the number of constituent materials can be further reduced, the degree of freedom in design can be increased, and the efficiency of file manufacturing work can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a part of a first embodiment of a bookbinding file of the present invention in section.

FIG. 2 is a schematic sectional view showing a bookbinding state of the bookbinding file of the present invention.

FIG. 3 is a perspective view showing a part of a second embodiment of the bookbinding file of the present invention in section.

FIG. 4 is a perspective view showing a third embodiment of the bookbinding file of the present invention.

5 is a cross-sectional view taken along the line VV of FIG.

[Explanation of symbols]

 1 Binding File 2 Cover 3 Back Cover 4 Back Cover 4a Standing Piece 6 Thermoplastic Adhesive 7 Opening 8 Thermal Conductive Plate Member

Claims (3)

[Scope of utility model registration request] 1. In a bookbinding file in which a thermoplastic adhesive applied to the spine cover is melted by heating to bind materials, at least the spine cover applied with the thermoplastic adhesive is used as a heat conductive member. A bookbinding file characterized by being formed by forming. 2. The back cover is formed of a heat conductive member having a U-shaped cross section, and the back cover and the back cover are attached to the standing pieces on both sides of the back cover, respectively. File for binding. 3. The bookbinding file according to claim 1, wherein an opening is provided at a portion of the spine cover where the thermoplastic adhesive is applied, and the opening is covered with a heat conductive plate member.