JPH06118820A - Gloss processor - Google Patents

Abstract

PURPOSE:To attain gloss processing at high speed by transmitting radiation heat from a heating/press-fixing means to a film, before an image supporting member and the film having a glossy layer are heated/press-fitted. CONSTITUTION:The film 2 with the glossy layer wound on a film supplying roll 16 is sent to roller covers 20 and 21 via a guiding roller 5. The roller covers 20 and 21 are held at a temperature for melting the glossy layer with the radiation heat from a heating roller 6a or a temperature approximate to the above- mentioned temperature, and the film with the glossy layer 2 is sufficiently heated by the roller covers 20 and 21 while being carried and sent to a pair of heating rollers 6a and 6b. Moreover, an image supporting member 3 whose top surface side is formed by an image forming device is supplied by a pair of carrying rollers 4 and carried to a pair of the heating rollers 6a and 6b via a carrying guide 12. Then, the image supporting member 3 and the film with the glossy layer 2 are integrated into one body by heating/pressurizing by a pair of the heating rollers 6a and 6b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image supporting member on which an image is formed and a film having a gloss layer, which are heat-pressed in a superposed state, and then the film is peeled to form the image supporting member with the gloss layer. The present invention relates to a gloss processing device for transferring to the top.

[0002]

2. Description of the Related Art Heretofore, a gloss processing apparatus has been devised which performs a gloss processing by applying a gloss layer to an image supporting member on which an image is formed. The main configuration of the gloss processing device will be described with reference to FIGS. 3 and 4.

A film 2 with a gloss layer comprising a gloss layer 2a which is a thermoplastic resin and a base film 2b is a heat roller having a guide roller 5 for guiding the film 2 with the gloss layer from a film supply roll 16 and a heater 7 inside. It is taken up by a take-up roller 9 for taking up a used film through a pair 6 and a roller pair 8. The image supporting member 3 output from an image output device (not shown) passes through the conveying roller pair 4, the conveying guide 12, the heat roller pair 6, the conveying guide 13, the roller pair 8 and the conveying guide 17 which convey the image supporting member 3. Output from the pair of paper discharge rollers 10 to the paper discharge tray 11 arranged on the left side thereof. Also, roller pair 8
A peeling member 15 for peeling the image supporting member 3 from the glossy layer-attached film 2 is provided in the vicinity of. A cooling fan 14 is arranged below the transport guide 13.

Next, the operation of the conventional gloss processing device will be described.

First, the image supporting member 3 having an image formed on the upper surface side by an image forming apparatus (not shown) is a pair of conveying rollers 4.
Is supplied to. The image supporting member 3 passes through the conveyance guide 12, and is heated by a heater 7 in advance to a temperature of a temperature at which the gloss layer 2a of the film 2 with the gloss layer is melted.
And is superposed on the film 2 having a gloss layer.
At this time, the gloss layer 2 a side of the film 2 with a gloss layer is in contact with the image forming surface side of the image supporting member 3. Then, the image supporting member 3 and the glossy layer-attached film 2 are integrated by being heated and pressed by the heat roller pair 6 and then passed over the transport guide 13. At this time, both materials are cooled by the cooling fan 14, and the adhesive force between them is further strengthened.

Next, the integrated two materials are conveyed to the roller pair 8. When the integrated film with gloss layer 2 and the image supporting member 3 are sent to the exit of the roller pair 8, the peeling member 1
Reference numeral 5 is rotated by a driving unit (not shown) to bring the tip of the peeling member 15 into contact with the tip of the image supporting member 3 and peel the image supporting member 3 having the gloss layer 2a attached thereto from the base film 2b. At this time, since the adhesive force between the glossy layer 2a and the image supporting member 3 is stronger than the adhesive force between the glossy layer 2a and the base film 2b, the glossy layer 2a is transferred to the image surface side on the image supporting member 3. The used base film 2b is wound around the winding roller 9.

Image support member 3 having the glossy layer 2a transferred thereto
Is sent to the paper discharge roller pair 10 via the conveyance guide 17 by the roller pair 8, and the paper discharge tray 1 is discharged by the paper discharge roller pair 10.
1 is ejected on the top.

[0008]

However, in the gloss processing apparatus as described above, the gloss layer 2a is provided on the image support member 3 as the gloss layer 2a.
In order to apply sufficient heat so that the toner can be transferred to the side, the processing speed must be slowed to some extent to lengthen the contact time with the heat roller pair 6, and high-speed gloss processing is difficult. It was

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a gloss processing apparatus capable of performing gloss processing at high speed with a simple structure.

[0010]

In order to achieve this object, the gloss processing apparatus of the present invention uses a radiant heat from the thermocompression bonding means to polish the radiant heat from the image supporting member and the film having the gloss layer before thermocompression bonding. A heat transfer means is provided for transfer to the film having the layers.

[0011]

In the gloss treatment apparatus of the present invention having the above-mentioned structure, the heat transfer means is heated by the radiant heat from the heat compression bonding means, the film having the gloss layer is preheated by the heat transfer means, and then the heat compression bonding means is used. The image supporting member and the film having the gloss layer are thermocompression bonded.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic configuration diagram of the gloss processing apparatus of this embodiment, and FIG. 2 is an enlarged cross-sectional view of a heat transfer portion to a film of the gloss processing apparatus of this embodiment. The same members as those of the conventional gloss processing device shown in FIG. 3 are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIGS. 1 and 2, in the gloss processing apparatus of this embodiment, roller covers 20 and 21 are installed so as to surround the heat roller 6a. Roller cover 20,
21 is made of, for example, a steel press, and is kept at a high temperature by radiant heat from the heat roller 6a.
The roller cover 20 is in contact with the base film 2b side of the film 2 with a gloss layer, and transfers heat from the contact portion of the roller cover 20 directly to the film 2 with a gloss layer. The roller cover 21 is arranged on the side of the gloss layer 2a of the film 2 with the gloss layer with a slight clearance so as not to contact the gloss layer 2a. To heat.

Next, the operation of the gloss processing device of this embodiment will be described with reference to FIG.

The film with gloss layer 2 wound on the film supply roll 16 is sent to the roller covers 20 and 21 via the guide roller 5. Roller cover 20,
21 is a gloss layer 2a due to radiant heat from the heat roller 6a
Is maintained at a temperature at which it melts, or at a temperature close to it, and while the film 2 with a gloss layer is being conveyed, it is sufficiently heated by the roller covers 20 and 21 and sent to the heat roller pair 6. The image supporting member 3 on which an image is formed on the upper surface side by an image forming apparatus (not shown) is a pair of conveying rollers 4.
Is fed by the sheet feeding means, and is fed to the heat roller pair 6 via the feeding guide 12. Then, at the entrance of the heat roller pair 6, the glossy film 2 and the image supporting member 3 are superposed. At this time, the gloss layer 2a of the film 2 with the gloss layer
The side is in contact with the image forming surface side of the image supporting member 3.

The image supporting member 3 and the film with gloss layer 2 are integrated by heating and pressing by the heat roller pair 6. Both integrated materials pass over the conveyance guide 13 and are cooled by the cooling fan 14 so that the adhesive force between the two materials becomes stronger and they are conveyed to the roller pair 8. At the exit of the roller pair 8, the image supporting member 3 is peeled from the base film 2b by the peeling member 15, and the gloss layer 2a is transferred to the image supporting member 3 side. The used base film 2b is wound around the winding roller 9. The image supporting member 3 to which the glossy layer 2a is transferred is sent by the roller pair 8 to the paper discharge roller pair 10 via the conveyance guide 17, and is discharged onto the paper discharge tray 11 by the paper discharge roller pair 10.

As described above, after the film 2 with the gloss layer is sufficiently heated in advance by the roller covers 20 and 21 which are kept at a high temperature by the radiant heat from the heat roller 6a, the film 2 with the gloss layer and the image supporting member 3 are Is heat-pressed by the heat roller pair 6, so that sufficient heat can be applied to the film 2 with a gloss layer, and the gloss treatment can be performed at high speed.

The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the invention.

For example, in this embodiment, the gloss processing apparatus is described as an independent apparatus, but it may be a gloss processing apparatus incorporated in the image forming apparatus.

[0021]

As is apparent from the above description, according to the gloss processing apparatus of the present invention, the gloss processing speed can be increased with a simple structure.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a gloss processing apparatus according to an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of a heat transfer portion to a film of the gloss processing device of one embodiment of the present invention.

FIG. 3 is a schematic configuration diagram of a conventional gloss processing device.

FIG. 4 is an enlarged cross-sectional view of a film peeling portion of the gloss processing device.

[Explanation of symbols]

 2a Gloss layer 2b Base film 2 Film with gloss layer 3 Image support member 6a Heat roller 6b Heat roller 6 Heat roller pair 20 Roller cover 21 Roller cover

Claims (1)

[Claims] 1. An image supporting member on which an image is formed and a film having a glossy layer are heat-pressed in a superposed state,
In a gloss processing device for transferring the gloss layer onto the image forming surface of the image supporting member, before the image supporting member and the film having the gloss layer are thermocompression bonded, radiant heat from the thermocompression bonding means is applied to the gloss layer. A gloss processing apparatus comprising heat transfer means for transferring to a film having