JPS5936672B2 - Adhesion method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an adhesion method that allows an adhesive sheet such as a vinyl chloride sheet to be easily and beautifully adhered to the surface of a core material when manufacturing decorative plates such as face edges. It is something.

The inventor previously proposed manufacturing a plaque as shown in FIG.

That is, in FIG. 1, 1 is a substrate, and this substrate 1
A large number of suction holes 2 are formed in the. A core material receiving jig 3 is placed on this substrate 1, and a core material 4 made of particle board or the like is placed on this receiving jig 3.
A vinyl chloride sheet 5 whose back surface is coated with an adhesive is adhered to the surfaces 4a, 4b, and 4c of the core material 4, and the surface and the substrate 1 are further covered with a flat rubber sheet 6. Therefore, when the air existing between the rubber sheet 6 and the substrate 1 is sucked in from this state through the suction hole 2 using a vacuum pump (not shown), the rubber sheet 6 is converted into vinyl chloride by atmospheric pressure. The vinyl chloride sheet 5 is pressed onto the surface of the sheet 5, and by this pressure and the elastic force of the rubber sheet 6 itself, the vinyl chloride sheet 5 is adhered along the surfaces 4a, 4b, and 4c of the core material 4.

Thereafter, a decorative plate is constructed by cutting off the excess portion of the vinyl chloride sheet 5, or if necessary, bending it and gluing it to the bottom surface 4d of the core material 4. However, in this case, since the side surfaces 4a and 4c of the core material 4 are arranged in a substantially vertical direction, even if a force fl as shown in FIG. 3a is generated due to the elastic force of the rubber sheet 6 itself, The force f2 that this acts on in the horizontal direction is extremely small, so there is almost no pressure force other than the pressure force due to atmospheric pressure.
There was a consideration that the adhesion state of the adhesion sheet 5 would deteriorate.

The present invention provides an adhesive method that solves these conventional problems.

An embodiment of the present invention will be described below with reference to FIGS. 2 and 3.

In FIGS. 2 and 3b, parts with the same symbols as in FIG. 1 have the same functions. One surface of 7a and Tb is formed in a shape that roughly follows the surfaces 4a and 4c of the core material 4 and the side surface of the receiving jig 3, and the other surface is formed with an inclined surface that widens outward as it goes downward. It is a jig with a roughly triangular cross section. Note that these jigs 7a and Tb may be integrally molded from aluminum, resin, hard rubber, or the like. If it is made of hard rubber that has some elasticity, its elasticity allows it to better conform to the surfaces 4a and 4c of the core material 4. In addition, 8 is a pasting sheet 5
This is a protective sheet made of a material with a small coefficient of friction that covers the surface of the adhesive sheet 5, and improves the slip between the adhesive sheet 5 and prevents the adhesive sheet 5 from wrinkling or twisting when adsorbed. It is intended to prevent Therefore, jigs 1a and Ib are placed on the sides of the core material 4 as shown in FIG.
When the core material 4 and the jigs 7a and 7b are covered with a rubber sheet 6 and adsorbed, the jigs 7a and Ib are moved to the surface 4a of the core material 4 and It is strongly pressed against 4c.

That is, even if the same force fl as before is generated on the rubber sheet 6 as shown in FIG. The pressing force due to the atmospheric pressure and the pressing force due to the above-mentioned force F3 are simultaneously applied to Tb, and as a result, the jigs Ta and Tb are strongly pressed against the surfaces 4a and 4c of the core material 4.
Therefore, the adhesion sheet 5 can be applied reliably and beautifully to the surfaces 4a and 4c of the core material 4. As mentioned above,
The present invention provides an excellent effect in that the sticking sheet can be beautifully stuck even to the surface of the core material that is arranged in the vertical direction.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing a conventional bonding method, FIG. 2 is a cross-sectional view showing a bonding method according to an embodiment of the present invention, and FIG.
b is a vector diagram for explaining the operation of the conventional system and the above-mentioned embodiment. 1... Board, 2... Inlet, 3...
...Receiving jig, 4...Core material, 4a, 4c...
...Surface, 5... Vinyl chloride sheet, 1a
, 7b... Jig, 8... Protective sheet.

Claims (1)

[Claims] 1. Place the adhesive sheet on the surface of the core material, place a jig with a substantially triangular cross section on the side of the core material, and place the adhesive sheet on one surface of this jig. Then cover the surfaces of the core material and the jig that are arranged in a direction other than the vertical direction with a rubber sheet, and then cover the rubber sheet and the core material with a rubber sheet. Pressing the rubber sheet onto the surface of the core material and the jig by removing the air existing between the
An adhesion method characterized in that the above-mentioned one surface of the above-mentioned jig is pressed against the surface of the above-mentioned core material arranged in a substantially vertical direction, and the above-mentioned sticking sheet is stuck onto the surface of the above-mentioned core material.