JP2007100223A - Structure for fixing emblem and method for fixing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve a commercial value of emblem by sticking an emblem to a surface material at a high bond strength in good appearance. <P>SOLUTION: A hot-melt resin 3 provided with release paper 2 is bonded to the back of a surface material 1. The surface material 1 is placed on a working table 4. The surface material is cut out by a laser cutter so as to form openings 5 fit to an emblem part in a state in which a superimposed part to an emblem material is left. The release paper 2 is peeled from the back of the surface material 1, the emblem material 6 is contact-bonded to the back of the surface material 6 in a heated state and the surface material 1 is temporarily fixed to the emblem material 6. The emblem material 6 is bonded to and integrated with the surface material 1 by adhesion by high-frequency welding in a state in which the emblem parts of the emblem material 6 are inserted into the openings 5 of the surface material 1 in a pressed state by a lower mold 7 equipped with projected parts 7a at parts corresponding to the shape of the emblem part 6 and by an upper mold 8 equipped with recessed parts 8a at parts corresponding to the shape of the emblem part 6. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an emblem attachment structure in which a logo, a pattern, a character, an emblem, or other emblem is attached to a surface material such as synthetic leather, artificial leather, or fabric, and an attachment method thereof.

Conventional attachment structures and attachment methods of the emblems are as follows.
A patch constituent material is formed by forming a surface material such as polyvinyl chloride on which a pattern or the like is formed by printing or the like on the surface of a thermoplastic synthetic resin such as polyurethane.
Place the same fabric as the polyester waterproof fabric with a waterproof film on the surface of the lower mold, or lay a backing fabric that has properties close to that of the waterproof fabric, and lay the waterproof fabric over the backing fabric. .

Next, the emblem component is positioned on the waterproof cloth, and the heater provided in the upper mold is driven to heat the upper mold to a predetermined temperature, for example, 210 ° C. Thereafter, the upper mold is lowered and the emblem component material is pressed in a heated and pressurized state.
Thereby, according to the shape of the concave portion and the convex portion of the upper mold, the surface material constituting the emblem constituting material and the polyurethane are formed into a desired shape, and at the same time as the emblems are formed, it is welded to the waterproof cloth and integrated. Become.
Thereafter, by raising the upper mold, the emblems are surely welded only to the waterproof cloth, and the backing cloth is removed to complete the attachment of the emblems to the waterproof cloth. (For example, refer to Patent Document 1).
JP-A-7-331520

However, in the case of the conventional example, it adheres to the surface of the waterproofing cloth that is the surface material, and the peripheral end face of the emblem component material is exposed on the surface, which has a bad appearance.
In addition, a part of the peripheral end surface of the emblem constituting material is likely to be peeled off from the waterproofing cloth due to washing or the like, and there is a disadvantage that the commercial value is impaired at an early stage. In particular, waterproof fabrics such as ski wear and sportswear having a waterproof film have a drawback that the adhesive strength cannot be increased due to waterproof treatment such as water repellent finish.
Furthermore, when only the logo portion is bonded with a logo or the like, the bonding area cannot be made large, so that the bonding strength cannot be increased, and there is a drawback that it is easy to peel off.

  This invention is made in view of said point, Comprising: The invention which concerns on Claim 1 attaches a badge with a high-strength material with high adhesive strength, and attaches it attractively so that it can improve a commercial value. An object of the invention according to claim 2 is to provide a patch that can be attached to a surface material with high adhesive strength and can be attached with a good appearance to improve the commercial value.

In order to achieve the above-described object, the emblem mounting structure of the invention according to claim 1
An opening that matches the shape of the emblem portion is formed in the surface material, and the entire surface of the portion other than the emblem portion of the emblem material is covered with the emblem portion of the emblem material in the opening of the front material. It is constructed by adhering to the back surface.

(Action / Effect)
According to the structure of the emblem attachment structure of the invention according to claim 1, the emblem portion of the emblem material is inserted into the opening of the front material, and the entire surface of the portion other than the emblem portion of the emblem material is bonded to the back surface of the front material. In addition, the peripheral end surface of the emblem material is not exposed to the surface.
Therefore, the patch part and other parts are a series of parts, and the entire surface of the part other than the patch part is bonded to the back surface of the front material, so the bonding area compared to the case where only the back surface of the patch part is bonded The adhesive strength is high, it is difficult to peel off, the life can be extended, and the commercial value can be improved.
Moreover, since only the emblem portion is inserted into the opening of the front material and exposed to the surface, and the peripheral end surface of the emblem material is not exposed to the surface, the appearance is good and the commercial value can be improved.
In addition, since it adheres to the back without adhering to the surface of the front material, it also reduces the adhesive strength even for surface materials such as ski wear and sportswear that have been subjected to waterproof treatment such as water repellent treatment. It can be installed well without any problems.

In order to achieve the above-mentioned object, the attachment method of the emblem of the invention according to claim 2
A hot melt resin with release paper is adhered to the back surface of the surface material, and then the surface material is lasered so as to form an opening that matches the shape of the patch portion while leaving the overlapping portion with the patch material. Cut out with a cutting machine, peel off the release paper, and then crimp the patch material on the back surface of the front material in a heated state, and then place the patch material on the lower mold, and from above, the patch part The upper die formed in a shape is set so that the convex surface thereof is in contact with the surface of the surface material, and the emblem material is attached to the back surface of the surface material by high-frequency welding while being pressed by the upper die and the lower die. The emblem material is integrated with the front material in a state where the emblem portion of the emblem material is fitted into the opening of the front material.

(Action / Effect)
According to the structure of the attachment method of the emblem of the invention according to claim 2, after bonding the hot melt resin provided with the release paper to the back surface of the front material, the opening for inserting the emblem portion is cut out by the laser cutting machine, and the heated state The emblem material was integrated with the back surface of the front material by crimping at the end, and finally, the emblem portion was fitted into the opening of the front material by high frequency welding with the upper mold and the lower mold pressed. The patch material is integrated with the front material in the state.

Therefore, since the surface material is cut out while being locally heated by the laser cutting machine, the cut surface is in a welded state, and it is possible to avoid fraying from the cut surface even in the case of cloth or leather.
In addition, high-frequency welding using the upper and lower molds makes it possible to bond the surface of the patch material other than the patch part to the back surface of the front material and insert the patch part into the opening at once. Attaching the patch to the surface material with strength and attaching it nicely can improve the value of the product.

According to the structure of the emblem attachment structure of the invention according to claim 1, the emblem portion of the emblem material is inserted into the opening of the front material, and the entire surface of the portion other than the emblem portion of the emblem material is bonded to the back surface of the front material. In addition, the peripheral end surface of the emblem material is not exposed to the surface.
Therefore, the patch part and other parts are a series of parts, and the entire surface of the part other than the patch part is bonded to the back surface of the front material, so the bonding area compared to the case where only the back surface of the patch part is bonded The adhesive strength is high, it is difficult to peel off, the life can be extended, and the commercial value can be improved.
Moreover, since only the emblem portion is inserted into the opening of the front material and exposed to the surface, and the peripheral end surface of the emblem material is not exposed to the surface, the appearance is good and the commercial value can be improved.
In addition, since it adheres to the back without adhering to the surface of the front material, it also reduces the adhesive strength even for surface materials such as ski wear and sportswear that have been subjected to waterproof treatment such as water repellent treatment. It can be installed well without any problems.

  Next, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a process diagram showing an embodiment of the emblem attachment method of the present invention, and each process will be described in order based on this process diagram.

(1) Hot-melt resin adhesion step As shown in the cross-sectional view of FIG. 1A, a hot-melt resin 3 provided with a release paper 2 is adhered to the back surface of the front material 1. In FIG. 1A, the thicknesses of the front material 1, the release paper 2 and the hot melt resin 3 are exaggerated (the same applies to FIG. 1B).

(2) Laser cutting step As shown in the cross-sectional view of FIG. 1B, the front material 1 to which the hot melt resin 3 provided with the release paper 2 is bonded is placed on the work table 4, and Cut out by a laser cutting machine (not shown) so that an opening 5 is formed in accordance with the shape of the emblem portion while leaving the overlapped portion.

(3) Crimping step As shown in the sectional view of FIG. 1 (c), the release paper 2 is peeled off from the back surface of the front material 1 and then superimposed on the emblem material 6, and in that state, for example, with an iron or the like, The patch material 6 is crimped to the back surface of the surface material 1 in a heated state, and the surface material 1 and the patch material 6 are temporarily fixed. In FIG. 1C, the thickness of the emblem material 6 is exaggerated as in the case of the surface material 1 and the hot melt resin 3.

(4) High-frequency welding process As shown in the cross-sectional view of FIG. 1 (d), the emblem material 6 is placed on the lower mold 7 in which a portion corresponding to the shape of the emblem portion 6a (see FIG. 2) is formed on the convex portion 7a. Place the upper mold 8 formed on the concave portion 8a corresponding to the shape of the emblem portion 6a (see FIG. 2) from above the front material 1 so that the convex surface thereof contacts the surface of the front material 1 set.
Thereafter, the upper mold 8 is lowered, and the hot melt resin 3 is melted by high frequency welding while being pressed by the upper mold 8 and the lower mold 7, so that the emblem material 6 is integrated with the back surface of the front material 1. Glue. Thus, the emblem material 6 is integrated with the front material 1 in a state where the emblem portion 6a (see FIG. 2) of the emblem material 6 is fitted into the opening 5 of the front material 1, and the attachment of the emblem is completed. In FIG. 1D, the thicknesses of the lower mold 7 and the upper mold 8 are exaggerated as in the case of the front material 1, the hot melt resin 3 and the emblem material 6.

As the material of the surface material 1, artificial leather, synthetic leather, fabric, or the like is used.
As the material of the emblem material, in addition to the material of the surface material 1, a polyester film, a polyurethane film, or a material obtained by vapor-depositing a metal foil on the film is used. Furthermore, the same material as the surface material 1 but having a different color is also used.
As the material of the lower mold 7, an insulating material such as a bakelite resin or a foamed sponge material is used. In addition, as the material of the upper mold 8, a conductive material such as brass is used.

  2 is a plan view showing an embodiment of the emblem mounting structure, FIG. 3 is a cross-sectional view (a cross-sectional view taken along line AA in FIG. 2), and the emblem portion 6a of the emblem material 6 bulges upward, In a state where the emblem portion 6 a is inserted into the opening 5 of the front material 1, the entire surface of the portion 6 b other than the emblem portion 6 a of the emblem material 6 is bonded and integrated with the back surface of the front material 1. In FIG. 3, the thicknesses of the front material 1 and the patch material 6 are exaggerated.

This emblem attachment structure is manufactured by the emblem attachment method described above. In FIG. 3, the hot melt resin 3 is melted by high frequency welding and is not shown.
In the method of the above embodiment, the emblem portion 6a of the emblem 6 is bulged and fitted into the opening 5 of the front material 1 by pressing with the lower mold 7 and the upper mold 8 in the high frequency welding process. For example, in the emblem material 6, a material in which the emblem portion 6 a is bulged in advance by another molding process may be used.

  As the hot melt resin 3 used in the above embodiment, for example, a urethane-based thermoplastic resin having a thickness of 70 μm and a melting temperature (melting point) of about 120 ° C. is used. For example, an ethylene vinyl acetate copolymer ( Depending on the material of the front material 1, such as EVA), a material having a suitable property may be used.

In addition, various lasers such as a carbon dioxide (CO ₂ ) laser and a YAG laser can be applied as the laser used in the laser cutting machine in the above embodiment. Further, the head unit for irradiating the laser is controlled by a microcomputer, and is configured so that it can be cut by moving the locus as designed. Moreover, as an oscillation frequency of a high frequency welding machine, if an example is shown, it will be about 40-42 MHz.

It is process drawing which shows the Example of the attachment method of the emblem of this invention, (a) is a figure with which it uses for description of a hot-melt-resin adhesion process, (b) is a figure with which it uses for description of a laser cutting process, (c) FIG. 4 is a diagram for explaining the crimping process, and FIG. 4D is a diagram for explaining the high-frequency welding process. It is a top view which shows the Example of the attachment structure of the emblem of this invention. It is an AA line expanded sectional view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Patch material 2 ... Release paper 3 ... Hot-melt resin 5 ... Opening 6 ... Patch material 6a ... Patch part 6b ... Parts other than a patch part 7 ... Lower mold 8 ... Upper mold

Claims (2)

  An opening that matches the shape of the emblem portion is formed in the surface material, and the entire surface of the portion other than the emblem portion of the emblem material is covered with the emblem portion of the emblem material in the opening of the front material. An attachment structure for the emblem, which is integrated by bonding to the back surface. A hot melt resin with release paper is adhered to the back surface of the surface material, and then the surface material is lasered so as to form an opening that matches the shape of the patch portion while leaving the overlapping portion with the patch material. Cut out with a cutting machine, peel off the release paper, and then crimp the patch material on the back surface of the front material in a heated state, and then place the patch material on the lower mold, and from above, the patch part The upper die formed in a shape is set so that the convex surface thereof is in contact with the surface of the surface material, and the emblem material is attached to the back surface of the surface material by high-frequency welding while being pressed by the upper die and the lower die. The emblem is integrally bonded to the front material while the emblem portion of the emblem material is fitted into the opening of the front material. Method of mounting.

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