JPH028598B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for manufacturing a decorative plate having an uneven pattern on the surface of a metal plate.

[Conventional technology]

Decorative plates used for elevator landing doors, car doors, etc., are sometimes required to have an uneven pattern. It is made by applying paint to the grooves.

Figures 6 and 7 are shown in the above-mentioned document, and in the figures, 1 is a metal plate forming the landing door, 2 is a groove formed by etching on the surface of the metal plate 1; A transparent or opaque paint 3 is applied to the bottom. A groove 4 is also formed by etching and has a width narrower than the groove 2, and a similar paint 5 is applied to the bottom of the groove.

In this way, the grooves 2,
4 and paints 3 and 5, a decorative board with an uneven pattern is obtained.

[Problem that the invention seeks to solve]

The etching method, which is used as one of the conventional methods for manufacturing decorative boards as described above, tends to take a long time due to the preparation of processing fluid and the adjustment of work timings for processing all products using the same processing fluid.
Since it is based on chemical corrosion, there is a risk of pollution occurring during wastewater treatment, and complete treatment requires a huge amount of cost. Another problem with etching is that it is difficult to change the appearance by making the convex portions of the pattern of a material different from that of the substrate.

This invention was made in order to solve the above-mentioned problems, and its purpose is to provide a method for producing a decorative plate with a variable appearance, which is free from pollution, can process a concave-convex pattern on a metal plate in a short delivery time, and has a variable appearance. shall be.

[Means for solving problems]

The method for manufacturing a decorative plate according to the present invention includes finishing the surface of a metal plate, superposing a covering plate having patterned holes through the surface of the metal plate, and spraying a coating material into the patterned holes. A thermally sprayed layer is formed on the surface.

[Effect]

In the method for manufacturing a decorative board according to this invention,
The coating material is sprayed through the patterned holes in the cover plate, so
A convex pattern is formed on the surface of the metal plate.

〔Example〕

1 to 5 are diagrams showing an embodiment of the present invention.

In the figure, 6 is a stainless steel plate, an aluminum plate,
A metal plate formed of a brass plate, a red copper plate, etc., and whose surface 6a has been subjected to finishing processes such as mirror finishing, hairline processing (fine linear matte processing), and coloring processing,
7 is a cover plate made of a highly heat-resistant material and has a patterned hole 7a passing through it; 8 is a thermal spray gun for spraying a coating material 9 made of powder such as stainless steel, brass, ceramic, glass, etc.; Tsute pattern hole 7
a sprayed layer consisting of coating material 9 formed in a, 11
is an abrasive substrate with sandpaper 12 wrapped around it.

Next, a procedure for manufacturing a decorative board configured as described above will be explained.

The surface 6a of the metal plate 6 is finished as described above. On top of this, a cover plate 7 is closely adhered and superposed as shown in FIG. Next, the coating material 9 is thermally sprayed into the cover plate 7 by the thermal spray gun 8 . As a result, as shown in FIG. 4, a sprayed layer 10 having the same shape as the patterned hole 7a is formed on the metal plate 6 in a convex shape and is fixed.
The cover plate 7 is removed and the polished substrate 1 is removed as shown in FIG.
1 in the direction of arrow A to remove the surface 1 of the sprayed layer 10.
Polish 0a.

Now, the surface 6a of the finished metal plate 6
A change in appearance can be obtained by a combination of this and the surface 10a of the thermally sprayed layer 10. Note that the height of the sprayed layer 10 can be freely adjusted by adjusting the amount of sprayed coating material 9.
In addition, since the sprayed layer 10 has a convex shape, it can be used as an anti-slip panel, so it can be used not only on elevator landing doors or car doors where appearance is important, but also on elevator car floorboards, escalators, etc. It is also suitable for use as footboards in cars and floorboards in landing areas.

Since the sprayed layer 10 consists of a considerable amount of coating material 9, it is possible to simply color the surface 6a of the metal plate 6, or
Unlike colored metal plates, even if the surface 10a is scratched, the surface 6a of the metal plate 6 will not be exposed and the appearance will not be impaired.

Alternatively, the sprayed layer 10 can be formed over the entire surface 6a of the metal plate 6; in this case,
For the metal plate 6, it is possible to use an inexpensive material such as an ordinary steel plate or an aluminum plate, taking into consideration conditions such as fire prevention performance, weight, and strength.

〔Effect of the invention〕

As explained above, in this invention, the surface of a metal plate is finished, a covering plate having patterned holes passing through is superposed on the surface of the metal plate, and a coating material is thermally sprayed into the patterned holes and sprayed onto the surface of the metal plate. Since a layer was formed,
We provide decorative plates with a variety of appearances due to the combination of the metal plate surface and the convex sprayed layer surface, with a short delivery time.
It also has the effect of being able to be manufactured without the risk of causing pollution.

[Brief explanation of drawings]

1 to 5 are diagrams showing one embodiment of the method for manufacturing a decorative plate according to the present invention, in which FIG. 1 is an explanatory diagram of the operation of a thermal spray gun, FIG. 2 is a perspective view of the cover plate in FIG. 1, and FIG. 3
Figure 4 is a vertical cross-sectional view showing the overlapping of the cover plate, Figure 4 is a perspective view showing the completion of thermal spraying, Figure 5 is a vertical cross-sectional view showing the surface polishing of the sprayed layer in Figure 4, and Figure 6 is a conventional decorative plate. FIG. 7 is a sectional view taken along the - line in FIG. 6. In the figure, 6 is a metal plate, 6a is the same left surface, 7 is a cover plate, 7a is a patterned hole, 8 is a thermal spray gun, and 10 is a thermal spray layer. Note that the same reference numerals in the figures indicate the same parts.

Claims (1)

[Claims] 1. A first step of finishing the surface of the metal plate;
a second step of polymerizing a cover plate having patterned holes through it on the surface of the metal plate; and a third step of thermally spraying a coating material into the patterned holes of the cover plate to form a sprayed layer on the surface of the metal plate. A method for manufacturing a decorative board, which consists of steps. 2. The method for manufacturing a decorative board according to claim 1, wherein the covering material is metal. 3. The method for manufacturing a decorative board according to claim 1, wherein the covering material is ceramic.