JP2006289751A - Method for producing three-dimensional laser label by injection molding - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for producing a three-dimensional laser label which is three-dimensional and resistant to falling and can indicate abundant colors. <P>SOLUTION: A laser pattern or a mark 10 is formed on a transparent thin film 20, press processing is applied, so that the laser pattern or the mark 10 is made three-dimensional to be resistant to falling. Although a bottom color by a conventional technique can indicate only an aluminum foil color, the laser pattern or the mark 10 of the present invention can indicate the abundant colors of a printed ink layer 30, is simple in production process, can reduce costs remarkably, and solve the problem that, for example, the conventional technique can apply only to a plane, no spatial effect exists, and falling is easy, raising functions clearly. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a method of manufacturing a three-dimensional laser label by injection molding, and in particular, a three-dimensional laser by injection molding which forms a laser design or mark on a transparent thin film, and further presses to make the laser design or mark a corresponding three-dimensional shape. The present invention relates to a label manufacturing method.

As shown in FIG. 1, the laser label according to the prior art is used by rotating and printing the laser design or mark 1 on the surface of the aluminum foil 100 using the hologram technique, and then attaching the printed laser label on the article. . FIG. 2 is a perspective view showing a state in which the laser label is stuck on a mobile phone, which is used for enhancing aesthetics, displaying a company trademark, or preventing counterfeiting.
However, since the design or mark 1 is located on the surface of the aluminum foil 100, the bottom color that can be displayed by the laser label is the color of the aluminum foil, and it is not easy to change the bottom color. It is technically very difficult to change the base color to a different color such as seven colors, which is one of the disadvantages in the prior art. Furthermore, since the laser label is manufactured on an aluminum foil, it can be applied only on a flat or slightly curved surface, and the laser label does not have a three-dimensional effect. When the laser label is pasted on a very curved article, a crease is formed in the laser label, it cannot be fixed to the surface of the article, and it is dropped even if it is forcibly stuck. That is, the laser label is used. There are limitations above, which is also a drawback in the prior art. In addition, it is difficult to use laser labels according to the prior art to prevent forgery, and the labels are easily forged or peeled off because they are pasted on articles, which is also a drawback of the prior art. ing.

As another conventional technique, first, the design is printed on the transparent thin film, and then the hollow thin film is printed on the transparent thin film on which the design is formed, and the laser label processed by the hologram technique is then hollowed out. Some of them are attached to the part and further formed by injection molding to form a plastic layer. Although the laser label according to the prior art can be prevented from being peeled off, only a single color of the aluminum foil can be displayed, and it is necessary to stick on a flat surface, and there is a disadvantage that it does not have a three-dimensional effect, Furthermore, the manufacturing process is complicated and the manufacturing cost is high.

It is an object of the present invention to form a laser design or mark on a transparent thin film, further press-work, make the laser design or mark into a corresponding three-dimensional shape, and arrange it in a three-dimensional form, so that it is difficult to drop off and printing It is an object of the present invention to provide a method for manufacturing a three-dimensional laser label by injection molding, which can display abundant colors of the formed ink layer, has a simple manufacturing process, and can greatly reduce the cost.

In order to solve the above-mentioned problems, the present invention is a method for manufacturing a three-dimensional laser label by injection molding, which can be applied only to a flat surface of a laser label according to the prior art, is monotonous and easily drops off. This invention solves the disadvantages of high production costs.

The invention of claim 1 is a method of manufacturing a three-dimensional laser label by injection molding, the manufacturing method comprising: (A) a step of rotationally printing a laser design or mark on a transparent thin film using hologram technology; B) printing ink on the laser design or transparent thin film having a mark; (C) printing a medium layer on the laser design or transparent thin film having mark and ink; and (D) the laser design. Or a step of pressing the thin film having the mark to form a three-dimensional shape, (E) a step of modifying the three-dimensional thin film already having the laser design or mark, and (F) a step of completing the member by injection molding. When completed, the laser pattern or mark is interposed between the transparent thin film and the ink layer. A method of producing a three-dimensional laser label according molding.

  According to a second aspect of the present invention, when the laser design or mark is formed on a transparent thin film, the transparent thin film is still transparent in appearance. It is.

  A third aspect of the present invention is the method of manufacturing a three-dimensional laser label by injection molding according to the first aspect, wherein the laser design or mark is rotationally printed on the front surface or the back surface of the transparent thin film.

  The invention according to claim 4 is characterized in that the laser design or mark is an artistic figure, a trademark or a design for preventing forgery, and manufacturing a three-dimensional laser label by injection molding according to claim 1, 2 or 3 Is the method.

  The invention according to claim 5 is the method for producing a three-dimensional laser label by injection molding according to claim 1, wherein the ink is attached to the surface of the transparent thin film by colored printing.

  The invention according to claim 6 is the method for producing a three-dimensional laser label by injection molding according to claim 1, wherein the medium layer is attached to the surface of the transparent thin film by printing.

  The invention according to claim 7 is the method for producing a three-dimensional laser label by injection molding according to claim 1, wherein one surface of the ink is in contact with a transparent thin film and the other surface is in contact with a medium layer. .

  The invention according to claim 8 is characterized in that the plastic layer formed by injection molding is joined using the medium layer and a transparent thin film having a laser design or mark and ink. This is a manufacturing method of a three-dimensional laser label by molding.

  The invention according to claim 9 is the method for producing a three-dimensional laser label by injection molding according to claim 1, wherein the bottom color displayed by the laser design or mark is the color of the ink.

  A tenth aspect of the present invention is the method of manufacturing a three-dimensional laser label by injection molding according to the first aspect, wherein the laser design or mark has a shape corresponding to a shape formed on the transparent thin film.

By forming a laser design or mark on a transparent thin film and further pressing it, the laser design or mark is made into a three-dimensional shape, it is difficult to drop off, and the bottom color according to the conventional technology can only display an aluminum foil color In comparison, the laser design or mark according to the present invention can display the rich colors of the printed ink layer, the manufacturing process is simple, the cost can be greatly reduced, and obviously the function is enhanced. Yes.

The present invention is a manufacturing method of a three-dimensional laser label by injection molding, FIG. 3 is a flowchart showing the manufacturing process of the manufacturing method of a three-dimensional laser label by injection molding of the present invention, and FIG. 4 is a three-dimensional manufacturing method by injection molding of the present invention. It is sectional drawing which shows the member manufactured by the manufacturing method of a laser label. The manufacturing method includes:
(A) A step of rotationally printing a laser design or mark 10 on the transparent thin film 20 using hologram technology, wherein the laser design or mark 10 is an artistic figure, a trademark, a design for preventing forgery, or the like. be able to. The laser design or mark 10 can be rotationally printed on the front or back surface of the transparent thin film 20 to enhance its selectivity. FIG. 4 shows an embodiment in which rotation printing is performed on the back surface of the transparent thin film 20, but the embodiment is not limited thereto. When the laser design or mark 10 is formed on the transparent thin film 20, the transparent thin film 20 is still transparent in appearance, and does not affect the laser design or mark 10. The mark 10 can be clearly seen.

The manufacturing process further includes (B) a step of printing the ink 30 on the transparent thin film 20 having the laser design or mark 10, and the colored ink 30 is attached to the surface of the transparent thin film 20 by color printing. The colored printing may employ a screen printing method or other similar techniques.

The manufacturing process further includes the step of (C) printing a medium layer on the transparent thin film 20 having the laser design or mark 10 and the ink 30, wherein one surface of the ink 30 is in contact with the transparent thin film 20, and the other surface Is in contact with the medium layer 40, and its purpose is to bond the ink 30 to the transparent thin film 20, and the ink 30 is not dropped for a long time between the plastic layer 50 completed in the next step, You can keep beauty.

The manufacturing process further includes (D) a step of pressing the transparent thin film 20 having the laser design or mark 10 to form a three-dimensional shape, and the laser design or mark 10, the ink 30 and the medium layer 40 by a mold. The transparent thin film 20 having the above is pressed to make a three-dimensional shape. The laser design or mark 10 becomes a three-dimensional shape by making the transparent thin film 20 three-dimensional.

In the manufacturing process, (E) the three-dimensional thin film already having the laser design or mark is corrected, and the transparent thin film 20 of the laser design or mark 10 already forming the three-dimensional shape corrects the periphery.

The manufacturing process further includes (F) a step of completing a member by injection molding, wherein the laser design or mark 10 is interposed between the transparent thin film 20 and the ink 30 layer. The plastic layer 50 is formed by injection molding, and all members are completed. The plastic layer 50 is connected to the transparent thin film 20 having the laser design or mark 10 and the ink 30 through the medium layer 40. At this time, the laser design or mark 10 is interposed between the transparent thin film 20 and the ink 30 layer.

FIG. 5 is a perspective view showing a state in which a member manufactured by the method of manufacturing a three-dimensional laser label by injection molding according to the present invention is applied to a mobile phone, but this embodiment does not limit the present invention. The completed laser design or mark 10 ′, 10 ″, 10 ′ ″ is located between the transparent thin film and the ink layer of the mobile phone housing, and the housing has a relatively low horizontal portion 200. And the protrusion part 300 of a comparatively high position is provided. Since the laser design or mark 10 'is located in the relatively low position horizontal portion 200, the bottom color displayed by the laser design or mark 10' is the color of the ink 30 in the relatively low position horizontal portion 200. Since the laser design or mark 10 ″ is located at the protrusion 300 at a relatively high position, the bottom color displayed by the laser design or mark 10 ″ is the ink color of the protrusion 300 at a relatively high position. is there. If the color of the ink 30 of the horizontal portion 200 at a relatively low position and the color of the ink 30 at a relatively high position are different colors such as red and blue, the laser design or mark 10 ′ and the laser design or Each mark 10 ″ displays the color of the corresponding ink 30. As described above, when the laser design or mark 10′10 ″ is formed on the transparent thin film 20, the transparent thin film 20 is still transparent, so that the color of the ink 30 is not affected. The laser label of the invention is given abundant color choices, and the function is clearly advanced with the fact that the bottom color can only display the color of the aluminum foil as in the prior art laser label.

As shown in FIG. 5, the transparent thin film 20 having the laser pattern or mark 10 ′ ″ is pressed, and the laser pattern or mark 10 ′ ″ protrudes along the protrusion 300 at a relatively high position, The other portions are horizontally arranged along the relatively low horizontal portion 200, and the laser design or mark 10 '' 'has a three-dimensional shape, and can only be placed on the plane of the prior art. It solves the shortcomings.

In addition, since the laser design or marks 10 ′, 10 ″, 10 ″ ″ of the present invention are formed on the transparent thin film 20, there is no problem of dropping off. The laser design or marks 10 ', 10' ', 10' '' cannot be peeled off because they are not adhered to the surface of the member, and the laser design or marks 10 ', 10' ', 10' ''. Can also be used to prevent forgery. The present invention is simpler to manufacture than the prior art and can greatly reduce production costs.

It is a top view which shows the laser label by a prior art. It is a perspective view which shows a mode that the laser label by a prior art was affixed on the mobile telephone. It is a flowchart which shows the manufacturing process of the manufacturing method of the solid laser label by the injection molding of this invention. It is sectional drawing which shows the member manufactured by the manufacturing method of the solid laser label by the injection molding of this invention. It is a perspective view which shows a mode that the member manufactured by the manufacturing method of the solid laser label by the injection molding of this invention was implemented in the mobile phone.

Explanation of symbols

1, 10, 10 ′, 10 ″, 10 ′ ″ Laser design or mark 20 Transparent thin film 30 Ink 40 Medium layer 50 Plastic layer 100 Aluminum foil 200 Horizontal portion 300 Projection

Claims (10)

A method of manufacturing a three-dimensional laser label by injection molding,
The manufacturing method includes:
(A) Rotating and printing a laser design or mark on a transparent thin film using hologram technology;
(B) printing the ink on the transparent thin film having the laser design or mark;
(C) printing a medium layer on the transparent thin film having the laser design or mark and ink;
(D) pressing the thin film having the laser design or mark into a three-dimensional shape;
(E) modifying the three-dimensional thin film already having the laser design or mark;
(F) completing a member by injection molding,
A method of manufacturing a three-dimensional laser label by injection molding, wherein when completed, a laser design or mark is interposed between a transparent thin film and an ink layer.   2. The method of manufacturing a three-dimensional laser label by injection molding according to claim 1, wherein when the laser design or mark is formed on a transparent thin film, the transparent thin film is still transparent in appearance.   2. The method of manufacturing a three-dimensional laser label by injection molding according to claim 1, wherein the laser design or mark is rotationally printed on the front or back surface of the transparent thin film.   4. The method of manufacturing a three-dimensional laser label by injection molding according to claim 1, wherein the laser design or mark is an artistic figure, a trademark, or a design for preventing forgery.   2. The method of manufacturing a three-dimensional laser label by injection molding according to claim 1, wherein the ink is attached to the surface of the transparent thin film by colored printing.   2. The method of manufacturing a three-dimensional laser label by injection molding according to claim 1, wherein the medium layer is attached to the surface of the transparent thin film by printing.   2. The method of manufacturing a three-dimensional laser label by injection molding according to claim 1, wherein one surface of the ink is in contact with a transparent thin film and the other surface is in contact with a medium layer.   The three-dimensional laser label by injection molding according to claim 1, wherein the plastic layer formed by injection molding is bonded using the medium layer and a transparent thin film having a laser design or mark and ink. Method.   2. The method of manufacturing a three-dimensional laser label by injection molding according to claim 1, wherein the bottom color displayed by the laser design or mark is the color of the ink. 2. The method of manufacturing a three-dimensional laser label by injection molding according to claim 1, wherein the laser design or mark has a shape corresponding to a shape formed on a transparent thin film.

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