JP4549727B2 - Multicolor pattern coated product, coating method and coating apparatus for the coated product - Google Patents

Description

  The present invention relates to a coated article, particularly a compact container or other decorative body, and a coating method thereof.

In decoration such as a lid of a compact container, in order to perform a half mirror decoration on the surface of the lid, using a transfer sheet having a half mirror layer, in-mold transfer (see Patent Document 1), or Attach a decorative body with a transparent hard plate on top of a glittering plate with aluminum or the like deposited on the back side of the transparent hard plate and printed with a transparent pattern on the surface. (Refer to Patent Document 2) Or, a concave portion is provided on the back side surface of the transparent lid, and a multicolor pattern is formed by filling different colored synthetic resins, or the concave portion is colored by hot stamping (see Patent Document 3). Etc. are conventionally known.
JP 2003-310343 A Japanese Utility Model Publication No. 51-147790 Japanese Utility Model Publication No. 62-38576

However, although the decoration described in the above-mentioned patent document is excellent in design effect, there is a problem that the production efficiency is low and the production cost is high.
In addition, multicolor patterns are also applied by mask coating, but masking work is required and production efficiency is not good.

  An object of the present invention is to solve the above-mentioned problems, and to form a concavo-convex decorative pattern by means of ridges, grooves, ridges, depressions, etc. on the back side or surface of a transparent or translucent substrate. A coated product that is painted by spraying paint from a certain direction on the pattern surface to be formed, and a compact container that is painted so that different colors are sequentially sprayed from a certain direction to separate the colors. The purpose is to provide other multi-color paint products and painting methods.

In order to solve the above-described problems, the present invention provides a coated product with a decorative pattern engraved on the back side of a transparent or translucent base material, and the decorative pattern is formed by an uneven surface and faces in a certain direction. A configuration is adopted in which each pattern surface is painted with a paint of a different color, and the color of each paint and its mixed color are expressed .

As an example of the decorative pattern, the decorative pattern is a parallel groove or protrusion , and the parallel groove or protrusion extends in a straight line or a curved line. Further, a configuration characterized in that the parallel grooves or ridges are semicircular in cross section is adopted.

As an example of a decorative article, the decorative pattern is a configuration characterized in that it is a concave portion or a convex portion arranged at a predetermined interval, and the concave portion or the convex portion arranged at a predetermined interval is semicircular in cross section The structure characterized by this is adopted.

As a decoration method, with a spray gun , sequentially paint different colors for each pattern surface facing in a certain direction on a transparent or translucent substrate engraved with a decorative pattern formed by uneven surfaces on the back side , Forming a portion where a plurality of different colors are overlaid, wherein at least one color is a transparent coating film, and a plurality of paint colors and mixed colors thereof are expressed , In addition, the transparent coating film employs a configuration characterized by using a clear paint .

A coating apparatus that coats a transparent or translucent base material engraved with a decorative pattern formed by an uneven surface on a back side as a coating apparatus while being transported at a constant speed on a transport line, the base material Is placed on a moving table with the back side up, and sprayed on the pattern surface of the decorative pattern with a spray gun installed on one side of the moving line moving table in the traveling direction, The rotating table is rotated by a predetermined angle by the rotating device, and then sprayed on the pattern surface of the decorative pattern by the spray gun installed on the one side surface, and the different colors are sequentially applied to the decorative pattern. The construction is characterized in that the paint is applied from different directions .

The coated product of the present invention is to apply a coating on a pattern surface facing in a certain direction to a base material formed with a decorative pattern by ridges, grooves, or protrusions, or depressions, and a pattern surface facing in a certain direction. Various patterns can be easily created by spraying different colors of paint.
In addition, since a separately painted product can be obtained only by molding and coating the base material, the production efficiency is improved, and the manufacturing cost can be reduced.

Next, the coated product of the present invention and the coating method thereof will be described with examples.
First, the coating apparatus used in common with each Example is demonstrated.

FIG. 1 shows an example of a coating apparatus. In the figure, A is various base materials on which various uneven patterns B are engraved.
C1, C2, and C3 are a plurality of spray guns that can change the injection directions Ca, Cb, and Cc to arbitrary directions, and D1, D2, and D3 are paints injected from the spray gun.
E is a plurality of transport lines using a belt conveyor or the like that transports the moving table F on which the substrate A is placed.
G is a rotating device that is located at the end of the transport line E, places the transported moving base F, rotates it to a desired angle, and sends it to the next transport line E.

In the first embodiment, chevron-shaped ridges are juxtaposed on the back side surface of the substrate.
FIG. 2 shows a cover of a compact container and other substrates to be coated. As shown in FIG. 2, the transparent or translucent substrate A1 has an uneven portion B1 on the back side surface of the substrate A1. A stripe decorative pattern is engraved.
The concavo-convex portion B1 is formed such that linear ridges composed of the slope B1a, the slope B1b, and the ridgeline 1 are arranged in parallel with an angle at an arbitrary angle.

Next, the coating method with respect to base material A1 is demonstrated.
The base material A1 is placed on the moving table F on the initial position of the conveying line E of the apparatus shown in FIG. 1 with the mountain-shaped uneven portion B1 facing upward, and the moving table F is fixed via the conveying line E. Transport at speed.

As shown in FIG. 3, the spray gun C <b> 1 adjusts from the side surface side in the moving direction of the moving base F to the injection direction Ca that is substantially perpendicular to the inclined surface B <b> 1 a of the concavo-convex portion B <b> 1 and injects an appropriate amount of paint D <b> 1.
At that time, since the spraying direction Ca of the spray gun C1 is directly directed to the slope B1a, the paint D1 adheres, but since the slope B1b is behind the spray direction by the ridge line 1, the paint D1 does not adhere.

When the operation is completed only by the above-described painting, the paint D1 single color stripe pattern is painted.
When the coated substrate A1 is viewed from the surface, a stripe pattern of the paint D1 single color can be developed through the transparent or translucent substrate A1.

  Following the first coating, the moving table F is conveyed onto the rotating device G, and the moving table F is rotated by 180 ° by the rotating device G and placed on the next conveying line E, with a constant speed. To transport.

As shown in FIG. 4, the spray gun C2 containing the paint D2 of a color different from the paint D1 is adjusted in the spray direction Cb substantially perpendicular to the inclined surface B1b of the concavo-convex part B1, and an appropriate amount of paint D2 is sprayed. To do.
At this time, as with the slope B1a, the paint D2 adheres to the slope B1b, but the paint D2 does not adhere to the slope B1a.

Through the above operation, as shown in FIG. 2C, the base material A1 is coated with the paints D1 and D2 in a stripe pattern with the ridge line 1 as a boundary.
When the coated substrate A1 is viewed from the surface, a two-color stripe pattern can be developed through the transparent or translucent substrate A1.
Therefore, a one-color or two-color stripe pattern can be appropriately selected and obtained depending on the number of times of painting.

Next, modified examples of the expression of various colors and patterns by changing the paint and the injection direction will be described.
Since the base material A1 is transparent or semi-transparent, a clear paint is used as a paint, or by reducing the spray amount of the paint, a transparent coating film is formed, and stripes are developed from the surface of the base material. The change of the color of the pattern and the gradation can be expressed.

  As a first example of the modified example, after the clear paint D1 is applied and fixed to the slope B1a, the paint D2 different from the paint D1 is sprayed from the upper surface of the base material A1 so that the slope B1b The paint D2 is attached, and a mixed color of the paint D1 and the paint D2 is developed on the slope B1a.

As a second example, the spraying direction of the spray gun C is adjusted so as to be substantially perpendicular to the slope of the concavo-convex part B1, and an appropriate amount of paint D is sprayed. It is also possible to increase the shaded portion so that the paint D does not adhere to the entire slope of the concavo-convex portion B1.
If you change the spray direction and apply different colors of paint, you can apply multiple colors on one slope.

  As a third example, the moving table F is rotated by 180 ° by the rotating device G, but it is rotated at a desired angle, and the incident direction from the spray gun C to the uneven surface is changed, and the shadow portion formed through the ridge line 1 is changed. You can also change the direction.

Next, a modified example related to the pattern of the uneven portion will be described.
In the said Example, although the uneven | corrugated | grooved part B1 was made into the uneven | corrugated pattern which arranged the linear ridge in the shape of a mountain, you may make it make a ridge parallel in the shape of a curved angle ridge (not shown).
Also, it may be a semicircular concave groove or a ridged line, and when the paint is sprayed, the ridgeline can block the spray on one slope of the uneven part and make a shadow part. That's fine.

As an example similar to the first example of the modified example, in particular, when the concavo-convex portion B1 is a semicircular concave groove or ridge, with respect to a certain range of the bottom surface of the concave groove or the top surface of the ridge. Then, the spraying directions Ca and Cb are adjusted, and the paints D1 and D2 are sprayed so as to overlap.
At that time, when the paint D1 is applied with a clear paint or is lightly applied, a mixed color of the paint D1 and the paint D2 can be expressed on the bottom surface or the top surface, and the paint color and the mixed color can be expressed. A parallel pattern can be obtained.

In the above embodiment, the substrate A1 is provided with an uneven portion on the back side surface, but the surface may be provided with an uneven portion, and in this case, the surface has a colored stripe and the surface feels compact. A container lid or the like can be obtained.
In this case, the substrate A1 can be not only transparent or translucent, but also can be colored and opaque.
Accordingly, the spraying pattern of the spray gun, the direction of incidence on the pattern surface, the number of colors of the paint, and the type are not limited to the embodiment, including the parallel pattern.

Next, an example of a decorative pattern in which concave grooves having a semicircular cross section are provided on the surface at equal intervals on the back surface side of the base material and are corrugated when viewed from above will be described.
As shown in FIG. 5, the transparent or semi-transparent substrate A2 has a concavo-convex pattern formed by a semicircular concave groove B2 extending in a wave shape at a constant interval on the surface 2 on the back surface side of the substrate A2. ing.
The pattern surface is composed of the surface 2, the curved surfaces B2a and B2b in the concave groove B2, and the bottom curved surface B2c. When viewed from above the base material A2, the pattern surface is a decorative pattern with a continuous waveform.

Next, the coating method with respect to base material A2 is demonstrated.
The base material A2 is placed on the moving table F on the initial position of the transport line E shown in FIG.
The moving table F is transported at a constant speed via the transport line E.

As shown in FIG. 6, an appropriate amount of paint D1 is sprayed from the side surface side in the traveling direction of the movable table F toward the curved surface B2a of the groove B2 with the spraying direction C of the spray gun C1.
At this time, since the spraying direction Ca of the spray gun C1 is directed to the curved surface B2a and the surface 2, the paint D1 adheres. Therefore, the paint D1 does not adhere.

  Next, the movable table F is conveyed onto the rotating device G, and the movable table F is rotated 180 ° by the rotating device G and placed on the next conveying line E, and the movable table F is conveyed at a constant speed.

Next, an appropriate amount of paint D2 is sprayed with the spray direction Cb of the spray gun C2 containing paint D2 of a different color from the paint D1 directed toward the curved surface B2b of the groove B2.
At this time, the paint D2 adheres to the curved surface B2b and the surface 2, but the paint D2 does not adhere to the curved surface B2a and the bottom curved surface B2c which are shaded by the end of the surface 2.

Further, the spray gun C3 containing the paint D3 having a different color from the paint D1 and the paint D2 is adjusted from the upper surface of the base A2 so that the spray direction Cc is directed toward the bottom curved surface B2c, and an appropriate amount of paint D3 is sprayed.
As a result, the coating material D3 adheres to the entire surface including the bottom curved surface B2c of the substrate A2.

  When the coated base material A2 is viewed from the front side, as shown in FIG. 5C, the surface 2 and the curved surface B2a coated with the coating material D1, the curved surface B2b coated with the coating material D2, and the coating material D3 are coated. The waveform pattern of the waveform by the bottom curved surface B2c can be expressed.

  The width of each color can be changed by adjusting the spraying direction of the spray gun, and the paint to be attached to the surface 2 can be wiped off with a cloth soaked with a solvent before the paint is fixed. Therefore, it is possible to set any color of the paints D1, D2, and D3 and colorless.

  Since the paint, the spraying direction, the number of spray guns, the number of colors, the front and back of the base material, and the like can be changed in the same manner as in the first embodiment and the modifications thereof, various decorative patterns can be expressed.

Next, a description will be given of a third embodiment of the decorative pattern in which convex strips having a semicircular cross section are provided on the front surface at equal intervals on the back surface side of the base material and are corrugated when viewed from above.
As shown in FIG. 7, a convex pattern is formed on the front surface 3 of the back surface of the base material A <b> 3 by a convex strip B <b> 3 having a semicircular cross section extending in a wavy shape at a constant interval.
The pattern surface is formed by the surface 3 and the left and right curved surfaces B3a and B3b of the ridge B3. When viewed from above the base material A3, the pattern surface is a decorative pattern having a continuous waveform.

Next, the coating method with respect to base material A3 is demonstrated.
The substrate A3 is placed on the moving table F shown in FIG. 1, moved at a constant speed, coated by the spray gun C1, rotated by the rotating device G, and coated by the spray gun C2 on the next conveying line E. This is the same as in the second embodiment.

As shown in FIG. 8, the spray direction C of the spray gun C1 is directed to the curved surface B3a, and an appropriate amount of paint D1 is sprayed.
At this time, the paint D1 adheres to the curved surface B3a, but the injection is blocked by the top of the ridge B3 and does not adhere to the shadow curved surface B3b and the surface 3.

Next, the paint D2 is ejected with the spray direction Cb of the spray gun C2 directed toward the curved surface B3b, and the paint D2 is adhered to the curved surface B3b.
Also in this case, the curved surface B3a and the surface 3 are not painted behind the top of the ridge B3.

Next, when sprayed from above the surface 3 with the spray gun C3, the paint D3 can be applied to the entire surface of the base material A3, and only the paint D3 can be applied to the surface 3.
When the substrate A3 is viewed from the surface side, as shown in FIG. 7C, a curved surface B3a coated with the paint D1, a curved surface B3b coated with the paint D2, and a surface 3 coated with the paint D3. The color pattern of the waveform can be expressed.

  The width of the color can be changed by adjusting the spray gun spray direction or changing the shape of the spray nozzle, etc., and the paint spray direction, the number of paint colors, the front and back of the base material, etc. should be selected as appropriate. Thus, various decorative patterns can be developed in the same manner as in the first embodiment and its modifications and the second embodiment.

Next, a description will be given of an example of a decorative pattern in which a plurality of recesses are provided on the surface on the back side of the base material and are polka dots when viewed from above.
As shown in FIG. 9, a transparent or translucent base material A4 is formed with a plurality of concave portions B4 recessed at equal intervals on the surface 4, and the concave portions B4 are formed by a spherical surface B4a and a spherical surface B4b. When viewed from above the base material A4, it is a polka dot decorative pattern.

Next, the coating method with respect to base material A4 is demonstrated.
The base material A4 is placed on the moving table F of the transport line E shown in FIG.
The moving table F is transported at a constant speed via the transport line E.

As shown in FIG. 9, an appropriate amount of paint D1 is sprayed from the side surface side of the moving table F in the traveling direction of the spray gun C1 toward the spherical surface B4a of the recess B4.
Since the spraying direction Ca of the spray gun C1 is directed to the spherical surface B4a and the surface 4, the paint D1 is applied to both of them, but the spherical surface B4b is shaded in the spraying direction by the upper end portion of the recess B4. Does not adhere.

  Next, when the moving table F is sent onto the rotating device G, rotated by 180 ° by the rotating device G, and placed on the next transfer line E, the moving table F is transferred again at a constant speed.

The spraying direction Cb of the spray gun C2 containing the paint D2 of a different color from the paint D1 is directed toward the spherical surface B4b of the recess B4, and an appropriate amount of paint D2 is sprayed.
At this time, the paint D2 is applied to the spherical surface B4b and the surface 4.

  When viewed from the front side of the base material A4, it is possible to develop a decorative pattern in which the spherical surface B4a coated with the paint D1 and the surface 4 are arranged in parallel with the spherical surface B4b coated with the paint D2 as a semicircular pattern.

In the above embodiment, half of the spherical surfaces are arranged in parallel as a pattern, but by changing the spraying direction of the spray gun and the rotation angle of the turntable, the painted surface can be multicolored and mixed colors can be expressed. it can.
Moreover, a recessed part can also be provided in the surface side of a base material, and various decoration patterns can be expressed by applying the modification of 1st Example besides this.

Next, an example of a decorative pattern in which a plurality of convex portions are provided on one side of a base material will be described.
As shown in FIG. 10, the transparent or semi-transparent substrate A5 has a plurality of hemispherical projections B5 that are projected at equal intervals on the surface 5, and has a polka dot shape when viewed from above the substrate A5. It is a decorative pattern.

Next, the coating method with respect to base material A5 is demonstrated.
It is the same as that of the said Example that the base material A5 is mounted in the movement stand F, is moved for every coating material at a fixed speed | rate, and is rotated with the rotating apparatus G. FIG.

An appropriate amount of paint D1 is sprayed with the spraying direction Ca of the spray gun C1 directed toward the curved surface B5a which is about half of the convex portion.
At this time, the paint D1 adheres except for the curved surface B5a and a part of the surface 5, but does not adhere to the curved surface B5b that is shaded through the vicinity of the top of the convex portion B5 and the shaded portion of the surface 5.

  Next, the coating material D2 is ejected onto the curved surface B5b from the injection direction Cb, so that the coating material D2 adheres to the curved surface B5b, and the shaded portion of the surface 5 which is the shadow of the curved surface B5a and the top is not colored.

  When the base material A5 is viewed from the surface side, there is a decorative pattern formed by the curved surface B5a coated with the paint D1 and most of the surface 5, the curved surface B5b coated with the paint D2, and a part of the surrounding surface 5. can get.

  By changing the paint, the jetting direction, the number of colors, and the like, various decorative patterns including multicolored colors, mixed colors, and the like can be developed as in the fourth embodiment.

Next, an example of a complicated pictorial decorative pattern as shown in FIG. 11 will be described.
The base material A6 is transparent or translucent, and the surface side is a spherical surface.
On the back surface side of the base material A6, a concave portion is carved on the front surface 6 to engrave a pictorial decoration pattern.

Next, the coating method with respect to base material A6 is demonstrated.
As in the previous embodiments, the substrate B is placed at a predetermined position on the moving table F of the transfer line E with the concave portion B6 on the back side of the base A6 facing upward, and is painted by two spray guns C1 and C2.

As shown in FIG. 12, a light-color paint D1 is thinly sprayed on the base material A6 placed on the moving base F from above the base material A6 in the spraying direction Ca by the spray gun C1 and is transparent. A coating film is formed.
At that time, a color gradation is expressed by the inclination of the pattern surface with respect to the spraying direction Ca from the spray gun C1.

Next, the black paint D2 is thinly sprayed by the spray gun C2 in the spray direction Cb toward the deep surface B6a of the pattern carving.
When the obtained decorative product is viewed from the surface side, the black painted portion reflects the light-colored coating layer with depth and clearly shows.
And, as the depth of carving, it appears to rise from the other parts, so that the decorative pattern expresses a three-dimensional decorative pattern with a clear gradation of light and shadow.

  Further, by changing the spraying direction by increasing the number of spray guns, the coated surface can be applied in multiple colors, and a changed decorative pattern can be expressed.

  The base A6 is formed into a circular shape or an oval shape, and can be used as a lid for a compact container or other decorative body. When the back surface is overlapped with a plate-like body that is printed as a background, An excellent decorative body can be obtained.

In each of the embodiments of the present invention, a paint in which the reflection of light changes depending on the viewing angle by mixing a metal such as fine aluminum into the paint, and the color changes may be used.
In that case, it is possible to obtain a decorative body in which the color of the decorative pattern changes depending on the viewing angle.

  In each example, the paint was sprayed almost entirely onto the painted surface with a spray gun. However, the spray gun was narrowed and sprayed and fixed locally to color the decorative pattern. Can be changed to any color in the horizontal direction.

In each embodiment, the substrate A is not only a flat plate-like material, but also a curved surface or the like, and a transparent or translucent material that causes light refraction and dispersion can be used.
Further, not only colorless and transparent, but also a colored transparent or translucent substrate mixed with colors from the manufacturing process of the substrate A can be used, and various changes can be made depending on the design of the decorative pattern.

The painting method of the coated product of the present invention can be varied in a smaller number of work steps than the conventional painting methods, such as contrast and gradation due to coloring of the decorative pattern, by changing the type and spraying direction of the paint according to the design of the decorative pattern. Can produce.
In addition to a compact top plate, etc., it can be widely used for coating various molded articles made of synthetic resin or glass made of transparent or translucent, molding decorative patterns, and the like.

It is explanatory drawing of the coating apparatus of this invention. It is explanatory drawing of the base material of 1st Example, (a) is a back view, (b) is a side end figure, (c) is a back view after coating. It is explanatory drawing at the time of the 1st coating, (a) is a schematic explanatory drawing, (b) is a principal part enlarged view. It is explanatory drawing at the time of the 2nd coating, (a) is a schematic explanatory drawing, (b) is a principal part enlarged view. It is explanatory drawing of the base material of 2nd Example, (a) is a back view, (b) is a side end figure, (c) is a back view after coating. It is explanatory drawing of the coating method, (a) is a schematic explanatory drawing, (b) is principal part expansion explanatory drawing. It is explanatory drawing of the base material of 3rd Example, (a) is a back view, (b) is a side end view, (c) is a back view after coating. It is explanatory drawing of the coating method, (a) is a schematic explanatory drawing, (b) is principal part expansion explanatory drawing. It is explanatory drawing of 4th Example, (a) is a reverse view of a base material, (b) is sectional drawing in the AA of FIG. (A), (c) is explanatory drawing of the coating method. It is explanatory drawing of 5th Example, (a) is a back view of a base material, (b) is sectional drawing in the AA of FIG. (A), (c) is explanatory drawing of the coating method. It is explanatory drawing of 6th Example, (a) is a back view of a base material, (b) is a back view after coating. It is explanatory drawing of the coating method, (a) is the coating explanatory drawing made into the sectional view in the AA line of Fig.11 (a), (b) is an expansion explanatory drawing of the principal part.

Explanation of symbols

A, A1, A2, A3, A4, A5, A6 Substrate B Concavity and convexity B1 Concavity and convexity B1a, B1b Slope B2 Concave groove B2a, B2b Curved surface B2c Bottom curved surface B3 Convex strips B3a, B3b, B5a, B5b Curved surface B4, B6 B B4a, B4b Spherical surface B5 Protrusion B6a Surface C, C1, C2, C3 Spray gun Ca, Cb, Cc Injection direction D, D1, D2, D3 Paint E Transport line F Moving table G Rotating device 1 Ridge line 2, 3, 4, 5, 6 Surface

Claims (9)

A decorative pattern is engraved on the back side of a transparent or translucent base material, and the decorative pattern is formed by an uneven surface , and is painted with a paint of a different color for each pattern surface facing in a certain direction . A painted product characterized by its color and its mixed color . 2. The coated product according to claim 1, wherein the decorative pattern is a parallel groove or ridge . The coated article according to claim 2, wherein the parallel grooves or ridges extend in a straight line or a curved line . 4. The coated product according to claim 2 , wherein the parallel grooves or ridges have a semicircular cross section . 2. The coated product according to claim 1 , wherein the decorative pattern is a concave portion or a convex portion arranged at a predetermined interval . 6. The coated product according to claim 5 , wherein the concave portions or the convex portions arranged at a predetermined interval have a semicircular cross section . The decorative pattern formed by uneven surfaces in a transparent or semi-transparent substrate which is engraved on the back side, as well as painting by a spray gun sequentially different paint colors for each pattern surface facing in a certain direction, a plurality of different colors A coating method characterized by forming a portion to be repainted, wherein at least one color is used as a transparent coating film to express the color of each of a plurality of paints and a mixed color thereof . The coating method according to claim 7 , wherein the transparent coating film uses a clear paint . A coating apparatus that coats a transparent or translucent substrate engraved on the back side with a decorative pattern formed by an uneven surface while it is transported at a constant speed on the transport line,
  The substrate is placed on a moving table with the back side up, and sprayed onto the decorative pattern surface by a spray gun installed on one side of the moving line moving table. After that, by rotating the moving table by a predetermined angle by a rotating device, and further sprayed on the decorative pattern surface with a spray gun installed on the one side surface, and for the decorative pattern, A painting apparatus characterized by coating different colors of paint sequentially from different directions.

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