JPH06278356A - Transfer method and its transfer device - Google Patents

Abstract

PURPOSE:To indicate a transfer method and its transfer device which prevent not only generation of a flashlike part on an end part of a transfer part but also deterioration of an external appearance quality of a card. CONSTITUTION:The title device possesses a process turning positively a heat roller 10 and platen roller 11 while heating a heating part 22 so that transfer of a transfer layer 14 of a transfer film 12 is performed up to the midway from one end part to the other end part of a transfer position of a medium 15 and a process turning reversely the heat roller 10 and platen roller 11 while heating the heating part 22 so that the transfer of the transfer layer is performed up to the one end part from the other end part of the transfer part of the medium 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer method and a transfer apparatus for forming a protective layer on an image or character information such as a card, passport or passbook.

[0002]

2. Description of the Related Art Conventionally, for example, a transfer method to a card and a transfer apparatus thereof are known as shown in FIGS.

4 to 6, the plastic card 3 and the transfer film 4 pass between the heat roller 1 and the platen roller 2, and the guide rollers 5 and 6 are provided. A protective layer is formed on the surface of the guided transfer film 4 facing the plastic card 3.

The plastic card 3 which has been conveyed in contact with the transfer film 4 receives heat from the heated heat roller 1 as the heat roller 1 and the platen roller 2 rotate, and also the heat roller 1 and the platen roller 2
The protective layer 7 of the transfer film 4 is transferred onto the plastic card 3 under the pressure. In order to form a rectangular protective layer 7 from the transfer film 4 on the plastic card 3, a pressing surface portion 8 having a longer radius than the heat roller 1 is provided on the peripheral surface of the heat roller 1 so as to protrude from the transfer film 4. When the plastic card 3 is fed, the heat roller 1 is rotated clockwise in FIGS. 4 and 5 to thermally transfer the rectangular protective layer 7 from the transfer film 4 to the plastic card 3.

[0005]

However, since the conventional transfer method and transfer apparatus thereof rotate the heat roller 1 and the platen roller 2 only in the clockwise direction, depending on the material of the protective layer 7 of the transfer film 4, As shown in FIG. 6, the plastic card 3 protrudes from a predetermined position, and a burr-like portion 9 is formed on the rear end side of the transfer portion 8 to deteriorate the appearance quality of the plastic card 3.

It is an object of the present invention to provide a transfer method and a transfer apparatus for which the burr-like portion is unlikely to occur.

[0007]

In order to solve the above-mentioned problems, a transfer method according to claim 1 of the present invention is such that a medium to be transferred and a transfer film are sandwiched by a heat roller and a platen roller. A transfer method for heating a heat roller to transfer the medium to a medium while rotating the heat roller and a platen roller, wherein a transfer layer of a transfer film is formed from one end of a transfer portion of the medium to a middle of the other end. To heat the heating portion of the heat roller while rotating the heat roller and the platen roller in the forward direction so that the transfer layer is transferred from the other end to the one end of the transfer portion of the medium. As described above, the method further includes the step of rotating the heat roller and the platen roller in reverse while heating the heating portion of the heat roller.

A transfer method according to a second aspect of the present invention is the transfer method according to the first aspect, wherein the heat roller and the platen roller are placed between the step of rotating the platen roller in the forward direction and the step of rotating the platen roller in the reverse direction. And a step of advancing the medium and the transfer film to the other end of the transfer portion, and a step of sandwiching the transfer film and the medium by the heat roller and the platen roller. Characterize.

Further, in the transfer device according to the third aspect of the present invention, the transfer film and the medium to be transferred are sandwiched between the heat roller and the platen roller, and the heat roller is rotated while being heated. The transfer layer of the transfer film is transferred while moving in one direction of the medium, and after the transfer by the heat roller, the medium and the transfer film are separated from the opposite direction of the moving direction.

A transfer device according to a fourth aspect of the present invention is the transfer device according to the third aspect, wherein after the transfer is performed from one end of the medium by the heat roller and the platen roller, the heat roller and the platen are transferred. Pause by the roller is temporarily stopped, the medium is idly fed to the other end of the medium, the transfer film is partially peeled, and then the card and the transfer ribbon are idly fed in the opposite direction, and the transfer film is fed from the other end of the medium. It is characterized by having a function of peeling.

[0011]

According to the transfer method of the first and second aspects of the present invention, the medium and the transfer film are transferred from one end of the medium to the middle of the other end of the medium by the normal rotation of the platen roller. So that the transfer layer is transferred from the other end to the one end of the transfer area of the medium, the transfer roller is rotated in reverse after being heated and transferred by the heat roller. Since it has a step of rotating the heat roller and the platen roller in reverse while heating the roller, the transfer is restarted from the other end side of the medium, and the transfer layer is transferred to the end of the transfer layer on the medium surface. The burr is prevented from coming out.

According to the medium transfer device of the third to fourth aspects of the present invention, after the transfer is performed from one end of the medium to the middle of the medium by the reversing device, the transfer is performed from the other end side of the medium. Therefore, it is possible to prevent burrs from being generated at the end of the transfer layer that is transferred to the surface of the medium.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A transfer method and a transfer apparatus therefor according to embodiments of the present invention will be described below with reference to the drawings when a medium is a card.

FIGS. 1 and 2 show a sectional structure of a transfer method according to an embodiment of the present invention. Reference numeral 10 is a heat roller, reference numeral 11 is a platen roller, reference numeral 12 is a base 13 and a transfer layer 14. And a reference numeral 15 is a card as a medium.

Between the heat roller 10 and the platen roller 11, the card 15 sent from the card carrying rollers 16 and 17 and the transfer film 12 sent from the guide roller 20 are carried, and the heat roller 10 and The transfer film 12 and the card are sandwiched between the platen roller 11. The card 15 transfers the transfer layer 14 of the transfer film 12 by heating the heat roller 10.
Is transferred to the outside of the transfer device by the card transport rollers 19 and 20. After the transfer film 12 has been transferred by the heat roller 10, the transfer film 12 is guided by the guide roller 21 and separated from the card 15. A heating portion 22 having a large radius is provided on the peripheral surface of the heat roller 10 so as to sandwich the card 15 and the transfer film 12 by the heating portion 22 and the platen roller 11. The transfer layer 14 of the film 12 is transferred from the base 13 to the surface of the card 15. The heat roller 10, the platen roller 11, and the card transport rollers 16 to 19 are controlled by the controller 23.

The controller 23 sets a target value of the rotation angle of the heat roller 10, and the target value and the heat roller 1 are set.
The heat roller 10 is compared with the actual measured value of the rotation angle from 0.
And a target temperature value of the heating unit 22 of the heat roller 10 are set, and the target value is compared with the measured value of the temperature from the heating unit 22 and is fed back to the target value. And a temperature control means for controlling the heating unit 22. Further, the control device 23 moves from the card holding position of the card carrying roller 16 to the platen roller 1
1 to the contact point P, the distance from the front edge to the rear edge of the card 15, the distance from the front edge of the card 15 to the transfer portion 15a, the distance from the front edge to the rear edge of the transfer portion 15a, and the transfer portion. A distance from the rear end of the card 15a to the rear end of the card 15 is set, and platen roller control means for controlling the amount of rotation of the platen roller 11 in the plus direction and the minus direction based on the carry amount of the card carry roller 16 is provided. It is provided with a conveyance roller control means for controlling the rotation of the conveyance rollers 16 and 18 and a guide roller control means for controlling the guide rollers 20 and 21.

In the control device 23, first, the transfer film 1
2 is guided to the guide rollers 20 and 21, and the heat roller 1
The heating unit 22 of 0 has the platen roller 11 and the transfer film 1
Position it so that it touches via 2, and make it stand by. next,
Transfer film 1 by rotating guide rollers 20 and 21
Start sending 2 from right to left in Figure 1. In this case, heating unit 2
As shown in FIG. 3, the transfer film 1 is separated from the platen roller 11 at a position where pressure is not applied.
2 will be sent by air.

In this state, the card conveying rollers 16 and 18
When the card is rotated, the card 15 moves the card conveying roller 16,
It is sandwiched by 17 and eventually comes into contact with the transfer film 12. When the card 15 is nipped by the card transport rollers 16 and 17, the card 15 is transmitted from the card transport rollers 16 and 17 to the platen roller control means of the control device 23. As a result, the transfer portion 15a of the card 15 is sent to the contact point P of the platen roller 11, and the heat roller 10 rotates to bring the front end portion of the card 15 to the contact point P of the platen roller 11 and the heating portion 22 of the heat roller 10. Will be pinched.
The heating unit 22 is heated by the comparing unit of the heating unit 22 until the front end of the transfer portion 15a of the card 15 is nipped by the platen roller 11 and the heating unit 22 of the heat roller 11. Platen roller 11 and heat roller 1
The transfer part 15a of the card 15 by the heating part 22 of No. 1
When the front end of the card is pinched, the heat roller 11 rotates and the transfer portion 15a starts from a position separated from the front end of the card 15 by a predetermined distance.

After the start of transfer, the heat roller control means
When the heat roller 10 rotates by a predetermined angle and the rotation angle of the heating unit 22 reaches a target value for starting the idling of the card 15 and the transfer film 11 as shown in FIG. 2, the rotation of the heat roller 10 is stopped, The pressure applied to the transfer film 12 and the card 15 by the heating unit 22 is released, and the card transport roller 18 and the guide rollers 20 and 21 are rotated to temporarily transfer the transfer film 12 and the card 15 to the left in FIG. The release of pressure by the heating unit 22 may be performed by moving the heat roller 10 upward.

After the idle feeding of the card 15 and the transfer film 12 is started, the idle feeding amount of the transfer film 12 and the card 15 can be detected by the rotation amount of the platen roller 11, so that a predetermined amount can be detected based on the rotating amount of the platen roller 11. Send to the left by air. The card 15 is fed until the rear end of the transfer portion 15a of the card 15 is located at the contact point P of the platen roller 11.

After that, the platen roller 11 and the heat roller 10 are stopped, and the transfer film 12 and the card 15 are rotated in the right direction in FIGS. 1 to 3 by the reverse rotation of the conveying rollers 16 and 18 and the guide rollers 20 and 21. Then, the transfer film 12 and the card 15 are separated by the guide roller 20. As a result, the transfer layer 14 becomes the base 13
Then, the transfer layer 14 is transferred onto the card 15 after being peeled off.

At this time, the transfer portion 15a of the card 15
Since the front end and the rear end of the card are both transfer start positions, the transfer layer 14 is transferred to the transfer portion 15a of the card 15 without being clearly disturbed, and burrs are formed at the end of the transfer layer 14 on the surface of the card 15. It is prevented from coming out.
The platen roller 11 and the heat roller 10 may be rotated in reverse during the reverse rotation by switching the control mode.

[0023]

According to the transfer method of the first and second aspects of the present invention, after the transfer is performed from one end of the card to the middle of the other end of the card, the card and the transfer film are postponed. Since it also peels off from the other end of the card, burrs are prevented from appearing at the end of the transfer layer that is transferred to the surface of the card, and burr-like parts are prevented from occurring at the end of the transfer part, and the appearance of the card The deterioration of quality can be prevented.

According to the card transfer device of the third and fourth aspects of the present invention, after the transfer is performed from one end of the card to the middle of the card by the reversing device, the peeling is also performed from the other end of the card. As a result, the edge of the transfer layer transferred to the surface of the card is prevented from becoming jagged and irregular, and the occurrence of burrs at the edge of the transfer area is prevented, and the deterioration of the appearance quality of the card is prevented. be able to.

[Brief description of drawings]

FIG. 1 is a sectional configuration diagram of a transfer method according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a state in which transfer is performed halfway on a card by the transfer method according to the embodiment of the present invention.

FIG. 3 is a cross-sectional view of a state in which a transfer film is peeled off by reversely running a card by a transfer method according to an embodiment of the present invention.

FIG. 4 is a cross-sectional configuration diagram in which transfer is performed to a predetermined portion of a card by a conventional heat roller having a protrusion.

FIG. 5 is a cross-sectional view after transfer is performed with a conventional heat roller having protrusions.

FIG. 6 is a diagram showing a problem when transfer is performed by a conventional heat roller having a protrusion.

[Explanation of symbols]

 10 Heat Roller 11 Platen Roller 12 Transfer Film 13 Base 14 Transfer Layer 15 Card 15a Transfer Part 16, 17, 18, 19 Card Conveying Roller 20, 21 Guide Roller 22 Heating Section

Claims (4)

[Claims] 1. A medium to be transferred and a transfer film are sandwiched by a heat roller and a platen roller,
A transfer method for heating a heat roller to transfer it to a medium while rotating the heat roller and the platen roller, wherein the transfer layer of the transfer film is formed from one end of the transfer portion of the medium to the middle of the other end. A step of rotating the heat roller and the platen roller in the forward direction while heating the heating portion of the heat roller so as to perform the transfer, and transferring the transfer layer from the other end to the one end of the transfer portion of the medium. And a step of rotating the heat roller and the platen roller in reverse while heating the heating portion of the heat roller. 2. The transfer method according to claim 1, wherein the step of separating the heat roller and the platen roller between the step of rotating the platen roller in the forward direction and the step of rotating the platen roller in the reverse direction, the medium and the transfer film. And a step of sandwiching the transfer film and the medium by the heat roller and the platen roller, respectively. 3. A transfer film and a medium to be transferred are sandwiched between a heat roller and a platen roller, and the heat roller is rotated while being heated to move the transfer layer of the transfer film in one direction of the medium. And a transfer device that separates the medium and the transfer film from a direction opposite to the moving direction after the transfer by the heat roller. 4. The transfer device according to claim 3, wherein after the transfer is performed from one end of the medium by the heat roller and the platen roller, nipping by the heat roller and the platen roller is temporarily stopped, It is characterized by having a function of idling the medium to the end and peeling the transfer film halfway, then feeding the card and the transfer ribbon in the opposite direction to peel the transfer film from the other end of the medium. Transfer device.