JPS62255184A - Simple thermal transfer press - Google Patents

Abstract

PURPOSE:To achieve the miniaturization and the simplification of a thermal transfer press, by a method wherein a transfer material and a foil sheet are fixedly placed on the flat pressure receiving plane of a pressure receiving table and a heating transfer material is kept and thermally pressed thereonto. CONSTITUTION:A transfer material 3 and a foil sheet 5 are fixedly placed on the pressure receiving plane 2 of a pressure receiving stand 1 so that the surface of a toner image 4 and the surface of a foil layer 7 are piled with each other. By holding the holder 11 of a heating transfer material 8, for instance in a state where a body 10 is heated at approx. 180 deg.C, the body 10 is pressed onto a foil sheet 5 and made to slide while thermally pressing the pressure receiving plane 2. Then, the heat of the heating transfer material 8 is transmitted to the toner image 4. The resin component contained in the toner is fused and the foil layer 7 adheres to the toner image 4. Thereafter, if the foil sheet is peeled off from the transfer material 3, the stenciled foil layer 7A of ABC is formed on the foil sheet 5 and the surface of the toner image 4 is colored in the color of the foil, for instance, required colors such as red, blue, yellow, etc.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a simple thermal transfer device, and in particular, to thermally transfer a foil to a toner image electrostatically copied onto the surface of a transfer material to obtain an image colored in the color of the foil. This invention relates to a simple thermal transfer device for.

[Conventional technology]

A so-called dry copying machine uses electrostatic effect, and the toner contained in the developer is electrostatically transferred to the electrostatic latent image surface formed on a transfer material such as paper or a plastic sheet, and the toner image is usually reproduced as a black toner image. be done.

Incidentally, in recent years, there has been a desire for the development of an apparatus that can further color a copied toner image in a desired color, and with this, toner is obtained by processing colored fine powder, such as carbon blank, with a resin. When this toner is heated to a predetermined temperature even after being transferred to the surface of the transfer material, the resin component inside the toner becomes molten and has the function of making it possible to thermally transfer other members to the surface of this toner. An electric thermal transfer device has been developed which is capable of thermally transferring a colored foil onto a toner image to color the surface of the toner image in a desired color of the foil.

[Problem that the invention seeks to solve]

The conventional device described above is large and has a complicated structure, making it expensive.

Therefore, an object of the present invention is to provide a simple thermal transfer device that is small and inexpensive.

[Means for solving problems]

In the present invention, a transfer material having an electrostatically copied toner image and a foil sheet having a foil layer provided on a film base material are placed on a smooth pressure receiving surface of a pressure receiving table so that the surface of the toner image and the surface of the foil layer are mutually aligned. The foil layers are placed so as to overlap each other, and the foil layer is thermally transferred to the toner image by gripping the heating transfer member against the pressure-receiving surface from above and applying thermal pressure.

C Embodiment] Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

1 to 5 show a first embodiment, in which l
is a pressure receiving table made of a heat insulating material, and has a heat resistant and smooth pressure receiving surface 2 on the upper surface.

3 is a transfer material on which, for example, the letters ABC are electrostatically copied as a toner image 4 by an electronic copying machine;
It is placed on the pressure receiving surface 2 with the surface facing upward. 5 is a foil sheet formed by coating foil layers 7 of various colors on one side of a transparent film base material 6 made of heat-resistant resin; They are placed on the transfer material 3 in an overlapping manner. Reference numeral 8 denotes a heating transfer body comprising a metal body 10 having a built-in heater unit 9 and a grip portion 11 made of a heat insulating material. Then, as described above, the transfer material 3 and the foil sheet are placed on the pressure receiving surface 2 of the pressure receiving table 1 so that the surface of the toner image 4 and the surface of the foil layer 7 overlap each other as shown in FIGS. 1 and 2. 5, and with the main body 10 heated to about 180 degrees, hold the grip part 11 of the heated transfer body 8 and press the main body 10 against the L of the foil sheet 5 as shown in FIG. 3 to receive pressure. It slides against surface 2 while being heated and pressurized. Then, the heat of the heating transfer member 8 is transmitted to the toner image 4, the resin component contained in the toner is melted, and the foil layer 7 is attached to the toner image 4. After that, when the foil sheet 5 is peeled off from the transfer material 3, the foil sheet 5 has AB and B as shown in FIGS. 4 and 5.
A non-foil layer portion fA of C is formed, and the surface of the toner image 4 is covered with the foil layer 7.
The foil is colored in a desired color, such as red, blue, or yellow, by thermal transfer. As a result, the structure is small and simple, consisting of the pressure receiving table I having a smooth pressure receiving surface 2 and the heating transfer body 8, and the surface of the toner image 4 and the surface of the foil layer 7 are overlapped with each other on the pressure receiving surface 2. Transfer material 3 and foil sheet 5
The colored image 4A can be easily obtained by placing the heated transfer member 8 on top of the transfer member 8 and applying heat and pressure thereon.

6 to 8 show a second embodiment, and the same parts as in the above embodiment are denoted by the same reference numerals. In the same figure, 1
is a pressure receiving table made of a heat insulating material, and a flat plate member 2A having heat resistance and elasticity, such as a silicone cloak, is arranged on the upper surface to form a smooth pressure receiving surface 2. This pressure receiving surface 2 includes a surface of a foil layer 7 and a toner image 4 as in the above embodiment.
The transfer material 3 and the foil sheet 5 are placed so that their surfaces overlap each other. In this case, the foil sheet 5 is fixed to one end of the mount 5A and the adhesive portion 5B, and the transfer material 3 is sandwiched between the mount 5A and the foil sheet 5. - 8 is a heating transfer body, in which a heater roller IOA, which is a main body made of a metal material such as aluminum and whose surface is treated with Teflon, is attached to a frame body 11B having a grip portion 11 and having a heat insulating material 11A disposed thereon; It is configured to be rotatably supported. Further, a hollow portion 10B is formed in the axial direction of the heater roller IOA, and a heater unit 9 fixed to the frame 11B is arranged in this hollow portion 10B. Then, as described above, the transfer material 3 is placed on the pressure receiving surface 2 formed on the top surface of the pressure receiving table 1 via the flat plate member 2A so that the surface of the toner image 4 and the surface of the foil layer 7 overlap with each other. It is placed in a state where it is sandwiched between the foil sheet 5,
For example, with the heater roller IOA heated to about 180 degrees, grip the gripping portion 11 of the heated transfer body 8, press the heater roller IOA onto the foil sheet 5, and press the heater roller IOA onto the foil sheet 5.
Due to the transfer of A, it slides against the pressure receiving surface 2 while being heated and pressurized. At this time, the heat of the heater roller IOA is transmitted to the toner image 4, the resin component contained in the toner is melted, and the foil layer 7 is attached to the surface of the toner image 4. Thereafter, when the foil sheet 5 is peeled off from the transfer material 3, an unfoiled layer portion 7A is formed on the foil sheet 5, and the toner image 4 is changed into an image 4A colored with the color of the foil by thermal transfer of the foil layer 7. As a result, the configuration is small and simple, consisting of the pressure receiving table 1 and the heating transfer member 8, and the transfer material 3 is arranged such that the surface of the toner image 4 and the surface of the foil layer 7 overlap each other on the smooth pressure receiving surface 2. and foil sheet 5,
The colored image 4A can be easily obtained by gripping the heating transfer member 8 from above and applying heat. Furthermore, in this embodiment, by forming the pressure receiving surface 2 with a member 2A having heat resistance and elasticity such as a silicon mat, it is possible to prevent heat from being transmitted to the lower part of the pressure receiving table 1, and the elasticity of the pressure receiving surface 2 makes it possible to prevent the transfer material 8. Moreover, the unevenness of the foil sheet 5 can be absorbed and thermal transfer can be performed satisfactorily. Furthermore, since the surfaces of the foil sheets 1-5 are heated and pressed by the transfer of the heater roller 10A, the work is smooth and almost uniform heat and pressure can be applied.

Furthermore, since the transfer material 3 is sandwiched between the mount 5A and the foil sheet 5, shifting of the transfer material 3 can be effectively prevented by rolling the heater roller IOA from the end on the adhesive part 5B side toward the other end. . Further, in each embodiment, the toner image 4
The portion where the foil layer 7 is thermally transferred may be a portion.

It should be noted that the present invention is not limited to the second embodiment, and various modifications can be made within the scope of the gist of the present invention. For example, the shape of the pressure receiving table may be selected as appropriate. Further, the pressure receiving surface only needs to be a smooth surface having heat resistance, and the means for forming the pressure receiving surface may be appropriately selected. Further, the heating transfer body may use the frame itself made of a heat insulating material as the gripping portion. In addition, the main body of the heating transfer body may be selected as appropriate, such as a fixed type or a movable type such as rotation, and the heat pressing surface of the main body may be selected as appropriate, such as a curved surface or a flat surface. Alternatively, the pressure may be applied. Further, the heating temperature of the heated transfer member may be appropriately selected depending on the relationship with pressure.

〔Effect of the invention〕

In the present invention, a transfer material and a foil sheet are placed on a smooth pressure-receiving surface of a pressure-receiving table, and by gripping the heated transfer member from above and applying heat, the foil layer of the foil sheet is applied to the toner image surface of the transfer material. It is possible to provide a small, inexpensive, and simple thermal transfer device capable of easily obtaining a colored image.

[Brief explanation of drawings]

1 to 5 show the first embodiment, FIG. 1 is an exploded perspective view, FIGS. 2 and 3 are partially cutaway side views showing the thermal transfer state, and FIGS. 4 and 5 are The transfer material and foil sheet after thermal transfer are shown; FIG. 4 is a perspective view, FIG. 5 is a sectional view, and FIG. 6 is a cross-sectional view.
Figures to Figures 8 show the second embodiment, Figure 6 is an exploded perspective view,
FIGS. 7 and 8 are cross-sectional views showing the thermal transfer state. 1-Pressure receiving table 2-Pressure receiving surface 3-Transfer material 4-) Toner image 5-Foil sheet 6-Film base material 7-Foil layer 8-Heating transfer body 11-Gripping part

Claims (1)

[Claims] It is composed of a pressure receiving table having a smooth pressure receiving surface, a transfer material having an electrostatically copied toner image, a foil sheet having a foil layer provided on a film base material, and a grippable heated transfer body, The transfer material and the foil sheet are placed so that the surface of the toner image and the surface of the foil layer overlap each other, and the foil layer is thermally transferred onto the surface of the toner image by gripping and thermally pressing the heated transfer body. A simple thermal transfer device featuring: