JP2002362002A - Pattern printing film - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pattern printing film, with which a thermal pressure bonding with a favorable yield can be realized at the giving of a pattern on a resin base material sheet under the condition that a shape has a favorable accuracy and neither wrinkle nor poor adhesion nor the like develops. SOLUTION: A pattern printing is performed under the condition that the patterns (1) are uniformly scaled down by 1 to 10% in a film supplying direction at its thermal pressure bonding.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pattern printing film, and more specifically, to a thermocompression bonding or the like which needs to accurately reproduce the position and shape of a pattern on a resin base sheet. It relates to a useful pattern printing film.

[0002]

2. Description of the Related Art Heretofore, a pattern printing film has been considered, and this type of pattern printing film has been attached to a resin base material sheet.

[0003] The sticking of the picture printing film to the resin substrate sheet has been carried out, for example, in a continuous pattern which does not need to accurately reproduce the position and shape of the picture, in a transparent plain fabric, a single color fabric, or the like. Was something. Therefore, the appearance quality is not affected by the expansion and contraction of the pattern.

[0004]

In the case where such a pattern printing film is thermocompression-bonded to a resin substrate sheet by a heating and pressing roll, the wrinkle removing tension is required to ensure the appearance quality. However, this conventional pattern printing film has a problem that the pattern is stretched due to the wrinkle removing tension and a predetermined shape cannot be reproduced.

[0005] The present invention has been made in view of the above-mentioned facts, and has as its object the purpose of providing a pattern on a resin substrate sheet with good shape accuracy, wrinkles and poor adhesion. It is an object of the present invention to provide a pattern printing film that can be thermocompression-bonded with high yield without occurrence of the above.

[0006]

According to a first aspect of the present invention, there is provided a picture printing film in which a picture is uniformly printed on a scale of 1 to 10% in advance in a film supply direction (longitudinal direction) during thermocompression bonding. It is characterized by performing.

That is, the pattern printed on this film has been grasped in advance of the amount of extension after thermocompression bonding, and is scaled accordingly. This is to create a print original on a pattern print film by multiplying a pattern original reproduced on the surface of a resin base material sheet by a scale factor grasped in a preliminary experiment or the like.

Various printing methods such as gravure printing, toner printing, photographic printing, and color printing can be used as the printing method on the pattern printing film, but are not particularly limited.

The pattern printing film according to the second aspect of the present invention is characterized in that the pattern is uniformly printed by 1 to 10% beforehand in the film supply direction (longitudinal direction) during thermocompression bonding. Features.

That is, the pattern printed on the film has been grasped in advance of the amount of shrinkage after thermocompression bonding, and is scaled accordingly. In this technique, a pattern original reproduced on the surface of a resin base material sheet is multiplied by a scaling factor grasped in a preliminary experiment or the like to create a document to be printed on a pattern printing film.

In the pattern printing film according to the third aspect of the present invention, the pattern is printed in a direction perpendicular to the film supply direction at the time of thermocompression bonding (transverse direction) with the scale uniformly reduced by 1 to 10% in advance. It is characterized by becoming.

That is, the pattern printed on the film has been previously grasped by an amount which extends in a direction perpendicular to the film supply direction (transverse direction) after the thermocompression bonding, and is scaled down accordingly. . This is to create a print original on a pattern print film by multiplying a pattern original reproduced on the surface of a resin base material sheet by a scale factor grasped in a preliminary experiment or the like.

In the pattern printing film according to the fourth aspect of the present invention, the pattern is uniformly printed in a direction perpendicular to the film supply direction at the time of thermocompression bonding (transverse direction) by a factor of 1 to 10% beforehand. It is characterized by becoming.

That is, the pattern printed on the film has been reduced in the direction perpendicular to the film supply direction (transverse direction) after the thermocompression bonding, and is scaled accordingly. . In this technique, a pattern original reproduced on the surface of a resin base material sheet is multiplied by a scaling factor grasped in a preliminary experiment or the like to create a document to be printed on a pattern printing film.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings according to embodiments.

FIG. 1 is a diagram showing a picture printing film according to an embodiment of the present invention, showing a scale picture.

As shown in FIG. 1, a pattern (1) is uniformly formed in advance in the film supply direction (longitudinal direction) during thermocompression bonding.
The pattern is printed on a scale of 10% to 10%.
With this configuration, the picture (1) is stretched by the wrinkle removing tension at the time of thermocompression bonding, and is reproduced in a predetermined shape on the resin base material sheet.

As shown in FIG. 1, a three-color gravure printing is applied to a transparent background having a thickness of 25 to 100 μm as shown in FIG. 1) has a continuous band shape, is wound around a paper tube (4), and is supplied to a laminating apparatus by a picture printing film (3) in a roll state.

FIG. 2 shows a pattern printing film according to another embodiment of the present invention, and is a configuration diagram showing a double-size pattern.

As shown in FIG. 2, the pattern (2) is uniformly applied in advance in the film supply direction (longitudinal direction) during thermocompression bonding.
The pattern is printed at a scale of 10% to 10%.
This configuration is effective when the pattern printing film contracts more than the amount by which the pattern (2) is stretched due to the wrinkle removal tension during thermocompression bonding, and has a predetermined shape on the resin base material sheet. Is to be reproduced.

As shown in FIG. 2, a three-color gravure print is applied to a transparent background having a thickness of 25 to 100 μm as shown in FIG. 2) has a continuous band shape, is wound around a paper tube (4), and is supplied to a laminating apparatus with a picture printing film (3) in a roll state.

FIG. 3 is a structural view showing a state where the picture printing film of the present invention is attached to a resin substrate sheet according to one embodiment. 1 shows the appearance of a circular pattern (6) formed by pressing the pattern printing film of FIGS. 1 and 2 on a resin substrate sheet (5) by thermocompression bonding. The size of the circular pattern (6) is usually about 500 to 600 mm in diameter, but is not limited to this.

As shown in FIG. 3, the resin base sheet (5) is an acrylic resin plate having a size of 500 to 600 mm and a plate thickness of 2 mm.
, But is not limited to this.

In the resin substrate sheet (5) on which the pattern printing film is thermocompression-bonded, the pattern (6) can be reproduced with good shape accuracy. Further, the occurrence of wrinkles and poor adhesion can be suppressed.

FIG. 4 is a side view showing a laminating apparatus according to one embodiment used when manufacturing the picture printing film of the present invention.

As shown in FIG. 4, the thermocompression bonding roll (1
0a), (10b) and tension rolls (11a), (11
In b), the resin base sheet (12) and the pattern printing film (1)
3) is heated and pressed to perform thermocompression bonding.

As shown in FIG. 4, the pattern printing film (13) is supplied in a roll state, passes through an idler (14) and an idler (15), and is further fed into tension rolls (16a) and (16b). ) To apply a wrinkle removing tension, and after passing through an idler (17), a thermocompression bonding roll (10)
(a) and (10b).

As described above, according to the pattern printing film of the present invention, in the film supply direction (longitudinal direction) during thermocompression bonding,
Since the pattern is printed in a uniform scale of 1 to 10% in advance, the pattern is effective when the pattern is stretched by the wrinkle removal tension during thermocompression bonding. The picture is surely reproduced.

That is, a pattern can be provided on a resin base material sheet with good shape accuracy, no wrinkles or poor adhesion, and a good yield.

Further, according to another pattern printing film of the present invention, the pattern is printed in the film supply direction (longitudinal direction) at the time of thermocompression by uniformly preliminarily scaling the pattern by 1 to 10%. This is effective when the pattern printing film shrinks more than the amount by which the pattern is stretched due to the wrinkle removal tension during thermocompression bonding, and the pattern is reproduced in a predetermined shape on the resin substrate sheet.

That is, a pattern can be provided on a resin base material sheet with good shape accuracy, no wrinkles or poor adhesion, and a good yield.

According to still another pattern printing film of the present invention, a pattern is printed by uniformly reducing the pattern by 1 to 10% in the direction perpendicular to the film supply direction (transverse direction) during thermocompression bonding. This is effective when the pattern printing film is easy to stretch in the direction perpendicular to the supply direction (transverse direction), etc., and the pattern is more reliably reproduced in a predetermined shape on the resin base sheet. Becomes

Similarly, according to still another pattern printing film of the present invention, a pattern is printed in a direction perpendicular to the film supply direction at the time of thermocompression bonding (transverse direction) by previously scaling the pattern uniformly by 1 to 10%. This is effective when the pattern printing film is likely to shrink in the direction perpendicular to the supply direction (transverse direction), etc., and the pattern is more reliably reproduced in a predetermined shape on the resin base sheet. It will be.

[0034]

According to the pattern printing film according to the first aspect of the present invention, a pattern can be formed on a resin base sheet with good shape accuracy.
There is no occurrence of wrinkles or poor adhesion, and it can be provided with a good yield.

According to the picture printing film of the second aspect of the present invention, a picture can be provided on a resin substrate sheet with good shape accuracy, no wrinkles and poor adhesion, and with good yield.

According to the pattern printing film of the third aspect of the present invention, in addition to the case of the first or second aspect, the pattern is reliably formed on the resin base material sheet with good shape accuracy, such as wrinkles and poor adhesion. Is more reliably prevented and can be provided with a good yield.

According to the pattern printing film of the fourth aspect of the present invention, in addition to the case of the first or second aspect, the pattern is reliably formed on the resin base material sheet with good shape accuracy, such as wrinkles and poor adhesion. Is more reliably prevented and can be provided with a good yield.

[Brief description of the drawings]

FIG. 1 is a pattern printing film according to an embodiment of the present invention, and is a configuration diagram showing a reduced scale pattern.

FIG. 2 is a diagram showing a pattern printing film according to another embodiment of the present invention, showing a double-size pattern.

FIG. 3 is a configuration diagram showing a state where the pattern printing film of the present invention is attached to a resin base sheet according to one embodiment.

FIG. 4 is a side view showing a laminating apparatus according to one embodiment used when manufacturing the picture printing film of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Scaled circular pattern 2 Doubled circular pattern 3 Rolled pattern printing film 4 Paper tube 5 Resin base sheet which thermocompressed the pattern printing film 6 Circular pattern formed into a predetermined shape by thermocompression 10a Thermocompression roll 10b Thermocompression roll 11a Tension roll 11b Tension roll 12 Resin base sheet 13 Picture print film 14 Idler 15 Idler 16a Tension roll 16b Tension roll 17 Idler

Continuation of front page (72) Inventor Wataru Tanaka 1048 Kazuma Kadoma, Kazuma, Osaka Prefecture F-term in Matsushita Electric Works Co., Ltd.

Claims (4)

[Claims] 1. A pattern printing film, wherein a pattern is printed in advance in a film supply direction (longitudinal direction) at the time of thermocompression bonding by uniformly reducing the size of the pattern by 1 to 10%. 2. A pattern printing film, wherein a pattern is printed in a film supply direction (longitudinal direction) at the time of thermocompression bonding by uniformly scaling a pattern by 1 to 10% in advance. 3. The picture printing method according to claim 1, wherein the picture is printed in a direction perpendicular to the film feeding direction (transverse direction) at the time of thermocompression by uniformly reducing the picture size by 1 to 10% in advance. Item 3. The pattern printing film according to Item 2. 4. A picture printing method in which a picture is printed in a direction perpendicular to the film supply direction (transverse direction) at the time of thermocompression by uniformly scaling the picture by 1 to 10% in advance. The pattern printing film according to claim 2.