JPH06330602A - Inorganic product having pattern - Google Patents

Abstract

PURPOSE:To prevent disappearance of pattern by disposing a chevron pattern layer as overlapping of chevron arches continuously from one direction to another direction nearly in the middle in thickness direction in the longitudinal section and forming as eddy pattern layer in the cross section. CONSTITUTION:Pattern like that of marble in three colors of white, black and grey is formed on surface of a planer, ceramic plate 40. A chevron pattern layer 40 from one to other direction as overlapping of chevron arches is formed continuously nearly in the middle in thickness direction in the longitudinal section of the ceramic plate 40. In the cross section of the ceramic plate 40, an eddy pattern layer is formed at three positions in right to left direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a patterned inorganic product having a marble-like pattern.

[0002]

2. Description of the Related Art Recently, large-scale marble-patterned porcelain plates have been attached to inner and outer walls and floors to enhance the aesthetic appearance of buildings. Such a large-scale marble-patterned porcelain plate is usually a marble-patterned painted portion (thickness: 2 mm) formed by screen-printing or transferring with a glaze or the like on the surface of the inorganic substrate 45, as shown in FIG. Degree) 46 is provided.

[0003]

However, in the above-mentioned porcelain plate, the marble-like pattern on the surface of the porcelain plate can be provided with gloss, but not with a texture.
That is, when the surface of the porcelain plate is polished (for example, mirror-polished) in order to give it a texture, as shown in FIG. 16, the painted portion 46 is scraped off and the pattern itself disappears and disappears. . Therefore, the inorganic substrate 45
In addition, there is a structure in which a plurality of marble-like pattern layers are provided in the thickness direction so that the pattern layers appear on the surface of the inorganic substrate 45 even when polishing is performed. However, in this case, there is a problem that the pattern layer peels off from the boundary between the pattern layers.

The present invention has been made in view of such circumstances, and even when the surface is polished, the pattern such as a marble tone does not disappear and disappears, and moreover, the pattern layer is separated from the boundary between the pattern layers. The purpose is to provide a patterned inorganic product that does not fall off.

[0005]

In order to achieve the above object, the patterned inorganic product of the present invention has a chevron pattern layer extending from one direction to the other in a substantially central portion in the thickness direction of a longitudinal section. In the state where the arches are overlapped with each other, they are continuously provided, and a spiral pattern layer is formed in the cross section.

[0006]

That is, the patterned inorganic product of the present invention has a mountain-shaped pattern layer extending from one direction to the other in a substantially central portion in the thickness direction of a longitudinal section, with a mountain-shaped arch being overlapped,
It is continuously provided and a spiral pattern layer is formed on the cross section. As described above, the patterned inorganic product of the present invention is provided with a plurality of pattern layers in the thickness direction. Therefore, even if the surface is polished, or any cross section is cut in the thickness direction. Also, patterns such as marble appear. Further, this marble-like pattern has a luster and a texture by the polishing process. Moreover, since the pattern layers overlap each other in a chevron pattern in the vertical cross section and in a spiral pattern in the cross section, the pattern layers do not peel off from the boundary between the pattern layers. In the present invention, the substantially central portion refers to a portion extending in the longitudinal direction between the front surface and the back surface, as indicated by the broken line in FIG.

Next, the present invention will be described in detail based on embodiments.

[0008]

1 is a plan view showing an embodiment of the present invention, and FIG. 2 is a partially enlarged view thereof. In these figures, 40 is a flat-shaped ceramic plate (600 m) formed in a square shape.
m × 600 mm), and the surface thereof is provided with a marble-like pattern in three colors of white, black and gray.
As shown in FIG. 3, the porcelain plate 40 has a mountain-shaped pattern layer 40a extending from one direction to the other in a substantially central portion in the thickness direction of its longitudinal section continuously in a state where mountain-shaped arches are overlapped. As shown in FIG. 4, the swirl pattern layers 40b are formed on the cross section at three positions in the left-right direction.

As the ceramic plate 40, the ceramic materials shown in Table 1 below are used, and as the coloring agent, an inorganic pigment (tile pigment) is used. In addition, the ceramic plate 40
Has a water absorption of 1% by weight (hereinafter abbreviated as “%”) or less and a bulk density of 2.0 to 2.2 g / cm ³ .

[0010]

[Table 1]

The porcelain plate 40 as described above is manufactured by using the apparatus shown in FIG. That is, in FIG.
Reference numerals 2 and 3 are rotary displacement type uniaxial eccentric screw pumps, and hoppers 4, 5 and 6 are attached to the pumps 1, 2 and 3, respectively. Then, the first colored slurry colored in white is supplied to the hopper 4 attached to the first pump 1,
After flowing into the first pump 1, by the pump action, the first pump 1
From the first main pipe 7. Similarly, the second colored sludge colored in black is supplied to the hopper 5 attached to the second pump 2, flows into the second pump 2, and is then pumped from the second pump 2 to the second main pipe 8. To be done. Similarly, the third colored sludge colored in gray is supplied to the hopper 6 attached to the third pump 3, flows into the third pump 3, and is pumped to the third main pipe 9 from the third pump 3. Pumped.

Each of the main pipes 7, 8 and 9 is equipped with a pressure gauge 10, 11, 12 on the upstream side of the middle portion thereof and a flow meter 13, 14, 15 on the downstream side thereof, respectively. Each pressure gauge 10, 11, 12 and each flow meter 1
Bypass valves 16, 17, and 18 are mounted between 3, 14, and 15, respectively. And each bypass valve 16,
17 and 18 are bypass pipes 19, 20 and 21, respectively.
It is connected to the pumps 1, 2, and 3 via. Each of these main pipes 7, 8 and 9 is connected to the inlet of one merge pipe 22, and the outlet of this merge pipe 22 is connected to the inlet 23 a of the static mixer 23.

As shown in FIG. 6, the static mixer 23 includes a right side element 3 in a casing 33 of its main body.
A mixing body constructed by mounting three sets of one set of elements 32 consisting of 2a and the left side element 32b is built in. And the outlet 23b of this static mixer 23
Is connected to a central inlet 26a of a hermetically sealed flat mold 26 via a connecting pipe 24 having a pressure gauge 25 attached to an intermediate portion thereof. In FIG. 5, 28 is a first control panel for controlling the first pump 1, 29 is a second control panel for controlling the second pump 2, and 30 is a third control panel for controlling the third pump 3. is there. Reference numeral 31 is a main control panel that receives signals from the flow meters 13, 14, 15 and the pressure gauge 25 and controls the control panels 28, 29, 30 by these signals. This main control panel 31 evenly passes the colored sludge pumped from the pumps 1, 2 and 3 into the flat mold 26 by passing it through the static mixer 23, and when the sludge is pressed into the flat mold 26. By controlling the pressure, and by detecting a pressure increase in the flat mold 26 by a signal from the pressure gauge 25, each bypass valve 16, 17, 1 is detected when this detection signal reaches a constant value.
8 has the function of opening. 27 is a vacuum pump.

The flat mold 26 is made of a water-permeable resin mold, and comprises an upper mold 35 and a lower mold 36, as shown in FIG. As shown in FIGS. 8 and 9, the lower mold 36 includes an inlet side part 37 and a mold part 38, and
The left and right side surfaces 37a are formed in a shape that expands outward from the central inlet 26a toward the mold portion 38 side (that is, in a substantially triangular shape in plan view), and the front end central surface 37d is rearward. It is formed on a downward sloping surface that slopes toward the bottom. Moreover, the bottom surface of the inlet side portion 37 is
As a whole, it is formed into an inclined surface which is inclined upward from the central inlet 26a toward the mold portion 38 side, and FIG.
As shown in FIG. 11 and FIG. 11, the inlet side portion 37 is formed such that, in the left-right direction, the left and right side portions 37c are formed in a concave portion with respect to the central portion 37b, and the rear end edge portion of the inclined surface is shallow. It is formed on the flat surface 39. Further, the mold portion 38 is formed in a recess having a substantially quadrangular shape in a plan view, and a front end surface 38a thereof is formed in a downward inclined surface which is inclined toward the rear side. On the other hand, in the upper die 35, a portion corresponding to the die portion 38 of the lower die 36 is formed in the concave portion 35a, and the front end surface 35b of the concave portion 35a is formed in an upward inclined surface that is inclined toward the rear side.

The above-mentioned colored patterned porcelain plate is manufactured as follows using such an apparatus. That is, first, the first pump 1 pumps the first base sludge to the first main pipe 7, the second pump 2 pumps the second base sludge to the second main pipe 8, and the third pump 3 pumps the third base sludge. The slurry is pumped to the third main pipe 9. The colored sludges pressure-fed from the pumps 1, 2 and 3 are merged by the confluence pipe 22, and then are pressure-injected into the interior from the inlet 23a of the static mixer 23. Next, the colored slurry pressed into the static mixer 23 is semi-mixed in the static mixer to the extent that, for example, a streak pattern as shown in FIG. 12 is formed. The streak-mixed mixed sludge thus semi-mixed and streaked is pressure-fed from the outlet 23b of the static mixer 23, and then pressure-fed into the inside from the central inlet 26a of the flat mold 26. The mixed sludge with a streak press-fitted into the flat mold 26 has an inlet side part 3
While flowing into 7 and passing through the inlet side 37, the inlet side 3
7, the bottom surface of the bottom surface 7 is gradually shallower, the left and right side portions 37c of the bottom surface are formed in a concave portion, and the left and right side surfaces 37a of the inlet side portion 37 are formed.
Is gradually expanded to the outside, as shown in FIG. 13, while passing through the central portion 37b of the bottom surface, the mold portion 3
As it approaches 8, it spreads to both left and right side portions 37c, and is divided into several streak patterns. After that, when it passes through the flat surface 39 and flows into the mold portion 38, since the mold portion 38 is formed deeper and more uniform than the flat surface 39, it moves substantially straight and becomes substantially parallel. A number of streak patterns that extend are formed. At the same time, the slurry in the mold portion 38 is pressed against the inner surface of the mold portion 38 by the casting pressure, and the water permeability of the mold portion 38 is utilized to perform pressure dehydration.

On the other hand, when the flat mold 26 is filled with a predetermined amount of sludge and the internal pressure exceeds a certain value, this is transmitted to the main control panel 31 by the detection signal of the pressure gauge 25, and by the control of the main control panel 31. Each bypass valve 16, 17, 18 is opened. As a result, the colored slurry pressed into the main pipes 7, 8, 9 from the pumps 1, 2, 3 is returned to the pumps 1, 2, 3 via the bypass pipes 19, 20, 21. The molded product thus obtained is demolded, fired (the firing temperature is 1100 ° C. to 1200 ° C.), and then polished to produce a colored patterned porcelain plate.

As shown in FIG. 3, the color-patterned porcelain plate produced in this manner has a chevron-shaped pattern layer 40 extending from one direction to the other at a substantially central portion in the thickness direction of its longitudinal section.
a is continuously formed in a state in which mountain-shaped arches are overlapped, and as shown in FIG.
0b is formed. In this way, this colored patterned porcelain plate has a plurality of marble-like patterned layers formed in the thickness direction. Therefore, even if the surface is polished, it has a glossy and textured marble-like pattern. Appears. Moreover, since the marble-like pattern layers overlap each other in the shape of a mountain in the vertical section and in the shape of a spiral in the cross section, the pattern layers do not peel off from the boundary between the pattern layers.

Further, according to the above apparatus, since the color pattern of the colored porcelain plate is formed along the press-fitting direction when it is press-fitted into the flat mold 26, the directionality is reproducible. Similar patterns can be formed. Furthermore, the color pattern is set as follows, that is, each pump 1,
Changing the pumping amount of each colored slurry sent from 2 and 3; making the pumping amount uneven; adjusting the viscosity of each colored slurry; changing the flow rate balance for each color of each colored slurry. Changing the degree of semi-mixing in the static mixer, changing the press-fitting pressure and the press-fitting speed into the flat mold 26, and the central inlet 26a of the flat mold 26.
The shape of the pattern can be freely changed by changing the position and shape of the shape and changing the flow of the slurry in the mold portion 38. In addition, the flow rate and pressure of the pumps 1, 2 and 3 and each colored slurry are electrically controlled, enabling continuous operation.
The pattern has some reproducibility.

In the above example, a flat-plate-shaped porcelain plate was prepared, but the present invention is not limited to this, and a curved-plate-shaped porcelain plate as shown in FIG. 14 or a special-shaped porcelain plate is prepared. Good.

Further, in the above embodiment, the left and right side portions 37c are formed as recesses with respect to the central portion 37b of the inlet side portion 37 of the lower mold 36, but the present invention is not limited to this, and the inlet is the above. The entire side part 37 may be formed as a straight upward slope.

Further, in the above-mentioned embodiment, the ceramic plate is manufactured by the casting method using the water-permeable resin mold, but the invention is not limited to this, and the ceramic plate may be manufactured by the extrusion method.

[0022]

As described above, the patterned inorganic product of the present invention has a mountain-shaped pattern layer extending from one direction to the other in a substantially central portion in the thickness direction of a longitudinal section in a state where mountain-shaped arches are superposed. , Are continuously provided, and the spiral pattern layer is formed on the cross section. As described above, the patterned inorganic product of the present invention is provided with a plurality of pattern layers in the thickness direction. Therefore, even if the surface is polished, or any cross section is cut in the thickness direction. Also, patterns such as marble appear.
Further, this marble-like pattern has a luster and a texture by the polishing process. Moreover, since the pattern layers overlap each other in a chevron pattern in the vertical cross section and in a spiral pattern in the cross section, the pattern layers do not peel off from the boundary between the pattern layers.

[Brief description of drawings]

FIG. 1 is a plan view showing a porcelain plate according to an embodiment of the present invention.

FIG. 2 is a partially enlarged view of the ceramic plate.

FIG. 3 is a vertical sectional view of the ceramic plate.

FIG. 4 is a cross-sectional view of the ceramic plate.

FIG. 5 is an explanatory view of an apparatus for producing the ceramic plate.

FIG. 6 is an explanatory diagram of a static mixer used in the above apparatus.

FIG. 7 is a cross-sectional view of a main part of a flat type used in the above device.

FIG. 8 is a perspective view of a lower mold of the flat mold.

FIG. 9 is a plan view of the lower mold.

FIG. 10 is a sectional view of an inlet side portion of the lower mold.

11 is a cross-sectional view of a main part of a flat mold using the lower mold shown in FIG.

FIG. 12 is an explanatory diagram of a streak pattern formed in the static mixer.

FIG. 13 is an explanatory diagram showing a flow of sludge in the flat mold.

FIG. 14 is a perspective view showing a modified example of the ceramic plate.

FIG. 15 is an explanatory diagram showing a conventional example.

FIG. 16 is an explanatory diagram showing a state after polishing processing in the conventional example.

[Explanation of symbols]

 1,2,3 pumps 7,8,9 main pipe 23 static mixer 26 flat 37 inlet side 38 mold 40 ceramic plate 40a chevron pattern layer 40b whirlpool layer

Claims (1)

[Claims] 1. A substantially central portion in a thickness direction of a longitudinal section,
A patterned inorganic product characterized in that a mountain-shaped pattern layer extending from one direction to another direction is continuously provided in a state where mountain-shaped arches are overlapped and a spiral pattern layer is formed in a cross section.