JP4868871B2 - Cooking device - Google Patents

Description

The present invention relates to a cooker using a glass coating material provided with a glassy surface layer on a base material such as metal as a top plate, and in particular, a glass coating material having a glassy surface layer interspersed with highly reflective fine particles. It relates to the one using .

  Conventionally, Patent Documents 1 to 3 have been proposed as metallic adjustment products. The material described in Patent Document 1 is obtained by sequentially forming an undercoat layer, an intermediate overcoat layer, and a transparent metallic overcoat layer to which metal mica-coated powder mica is added on an iron plate. Since this product is provided with an intermediate saddle layer, the number of steps is increased and the manufacturing cost is increased, and the metallic effect is flat and the design property is poor.

The material described in Patent Document 2 includes a mica layer in an upper cocoon layer in a cocoon product composed of a lower cocoon layer and an upper cocoon layer. Moreover, the material of patent document 3 is trying to suppress the melting | dissolving of a mica by mixing a mica powder heterogeneously in the upper cocoon slurry in the cocoon product which consists of a lower cocoon layer and an upper cocoon layer. In any case, since the mica powder is mixed and dispersed in the glaze, it is difficult to suppress melting into the glaze during baking, so there is a problem that the metallic shine is reduced, and the resulting metallic The tone effect of the tone was also flat.
JP-A-1-149975 (Japanese Patent Publication No. 6-53936) JP-A-4-325438 (Patent No. 3001018) JP 2001-342581 A

The present invention has been made to solve the above-mentioned problems, and has a deep mica-like or metallic light-reflective coating structure that gives a feeling of depth, and the brightness of the light-reflecting member made of mica is observed by the observer. A cooker equipped with a top plate that has excellent design characteristics by using the glass effect that can not be obtained with conventional candy products, using a glass coating material that exhibits an excellent design effect that changes depending on the position of the product. To do.

And this invention made | formed in order to solve said problem disperse | distributes and arrange | positions the light reflection member which consists mainly of mica fine particles on the surface of the colored glass base layer provided on the base base material, and the top is transparent A cooker characterized in that a glass coating material coated with a glass surface layer is assembled as a top plate of a cabinet with a built-in heating means. The heating means is a gas burner, and the top plate is preferably embodied in a form in which a burner hole for the gas burner is formed.

In addition, the glass coating material used in the present invention is arranged by dispersing a light reflecting member mainly composed of mica fine particles on the surface of the colored glass underlayer provided on the base substrate, and covering the surface with a transparent glass surface layer. It is characterized by this. In the glass coating material, the transparent glass surface layer is melted and formed as a transparent glass surface layer at a baking temperature of 800 ° C. or lower, which is lower than the baking temperature of the colored soot forming the colored glass underlayer. Embodied in form.

Further, the glass coating material is a black glass underlayer in which the base substrate is a steel plate for enamel coated with a hollow enamel containing nickel, and the colored glass underlayer is mainly composed of a black pigment and transparent glass. It can be embodied in a certain form, and a form in which the enamel lower arm serves also as the black glass underlayer is also preferable.

In a more preferred embodiment, the light reflecting member is formed from one or a plurality of scaly powder mica fine particles having a plane portion having a major axis of 50 to 150 μm, and the light reflecting member is disposed on the colored glass underlayer. Are dispersed in a state where they are interspersed with a gap, and are interposed between the colored glass underlayer and the transparent glass surface layer.

In addition, the glass coating material is produced by baking a colored glass base layer on a base substrate, and then dispersing and disposing a light reflecting member mainly composed of mica fine particles, on which a transparent glass surface layer is formed. A slip mainly composed of a transparent frit for forming is coated, and the colored glass underlayer is baked at a temperature lower than the baking temperature and not higher than 800 ° C., and the colored glass underlayer, the transparent glass surface layer, The light reflecting member is sandwiched between the two and is integrally baked on the base substrate.

In this manufacturing method, it is preferable that the slip mainly composed of the transparent frit for forming the transparent glass surface layer is composed of a composition not containing fine clay, and the major axis of the planar portion is 50 to 150 μm. An aqueous slip containing scaly mica fine particles and a binder is sprayed by air spray on the surface of the colored glass underlayer that has been pre-baked and formed in a state where a gap is provided and the colored glass underlayer is visually observed from the gap. A form in which the mica fine particles are arranged in a possible state is particularly preferable.

Since the glass coating material used in the present invention is configured by dispersing and arranging light reflecting members mainly composed of mica fine particles between the colored glass underlayer provided on the base substrate and the transparent glass surface layer, External light is incident from the transparent glass surface layer on the surface, and the reflected light from the underlayer is observed as the background color, and the portion with the incident light is the reflected light from the surface of the light reflecting member made of scale-like mica. As a result, a brilliant glow effect is observed in mica-like or metallic tone, and these reflected lights are observed through the transparent glass surface layer. An excellent glow effect that makes you perceive.

In the glass coating material , the light reflecting member is composed of mica fine particles of scaly powder having a major axis of 50 to 150 μm in the plane portion, and is scattered in a state where gaps are provided between the glass base layers colored in black. In the case of being provided, there is an effect that the synergistic effect is particularly excellent by the combination of the lacquer black background color based on the light absorption of the black glass underlayer and the glow effect by the mica fine particles. In addition, the light reflecting member has a design in which the brightness of the light reflecting member made of mica arranged on the base substrate with the mica plane being parallel and slightly inclined at a random angle changes depending on the position of the observer. A glass coating material having a luminous effect with excellent properties can be obtained.

Further, since the glass coating material used in the present invention is vitrified as a whole, it is difficult to be scratched or worn, and does not deteriorate or fade in a short time like an organic paint film. Therefore, as a highly durable material, it can be preferably used as a surface material of a table top of a part that is easily damaged or hot, such as a gas range or an electric range.

According to the method for producing a glass coating material , the mica fine particles are not mixed in the glaze, and the baking temperature is relatively low such as 800 ° C. or lower. Since the fine particles are prevented from being melted, the luminous effect of the mica fine particles is not deteriorated.

Further, by air spraying an aqueous slip containing scaly mica fine particles and a binder, it is possible to spray the glass underlayer in a scattered manner, so that there is an advantage that the preferred light reflecting member described above can be easily formed. can get.
Thus, according to the method for producing a glass coating material , the glass coating material of the first invention excellent in glow effect can be produced industrially, and can be provided in a field of use that makes use of its performance.

According to the cooking device of the present invention , since a specific glass coating material is used for the top plate (surface material of the table top), scratches and abrasion scratches are difficult to occur, and it does not deteriorate or fade like organic paints. In addition to the advantages unique to conventional cocoon products, such as the heat resistance unique to non-combustible materials, it is possible to provide a more attractive cooking device because it can exhibit a brilliant design effect that was not possible with conventional cocoon products. It is.
Therefore, the present invention has a very large industrial value as a cooking device that has solved the conventional problems.

Next, an embodiment relating to a glass coating material used in the present invention and an embodiment of a method for producing a glass coating material used in the present invention will be described with reference to FIGS.
(Glass coating material used in the present invention )
The basic structure of the glass coating material used in the present invention is arranged by dispersing a large number of light reflecting members 31 mainly composed of mica fine particles 3a on the surface of the colored glass base layer 2 provided on the base substrate 1, The top is coated with a transparent glass surface layer 4. In the example of FIG. 1, the base substrate 1 is exemplified by a conventional black undercoating layer 21 containing nickel as an adhesion component on a hollow steel plate 11 in advance.

  And the said transparent glass surface layer 4 is an important component in this invention, The baking temperature is lower than the baking temperature of the said colored glass base layer 2, and is a glass layer at the temperature of 800 degrees C or less. Those formed by melting are preferred. Further, in order to obtain a deep glow effect, the thickness is preferably set to 10 μm or more, more preferably 30 μm or more.

  In the present invention, by using the relatively thick transparent glass surface layer 4 in this way, incident light from the outside and reflected light from the colored glass underlayer 2 and the many light reflecting members 31 are reflected on the surface of the transparent glass surface layer 4. By refracting, there is an advantage that a deep glow effect that gives a depth sensation as if looking at an underwater object can be obtained.

  As described above, since the transparent glass surface layer 4 is required to have high transparency, it is not preferable that the surface has irregularities because the transparency is impaired. In the present invention, the smoothness of the surface of the transparent glass surface layer 4 is preferably such that the surface roughness Ry defined in JIS-B0601-1994 is 25 μm or less, more preferably 2.0 μm or less.

Next, the most characteristic light reflecting member 31 of the present invention will be described.
The mica fine particles 3a used in the present invention, which is the causative substance of the glow effect, are originally obtained as a scaly powder having a thickness of about 50 μm or less. In the present invention, the average major axis of the planar portion is adjusted in particle size. It is preferable to use particles having a size in the range of 50 to 150 μm because the desired glow effect of the present invention can be easily obtained.

And it is especially preferable that the dispersed state of these mica fine particles 3a is in a state of being dispersed in fine spots as illustrated in FIG.
That is, a large number of flat objects formed from one or a plurality of mica fine particles 3a are dispersed on the colored glass base layer 2 in a state where gaps 32 are provided between the colored glass underlayers 2 and below the colored glass. It arrange | positions between the base layer 2 and the transparent glass surface layer 4, and is comprised so that it may act as the light reflection member 31 after being baked.
Thus, the light reflecting member 31 is arranged in a state in which the portion of the colored glass underlayer 2 is visible from the gap 32, and does not completely cover the colored glass underlayer 2.

  In this structure, external light is incident through the transparent glass surface layer 4, and reflected light from the base layer 2 is observed as a background color through the gap 32. Moreover, in the case of the black base layer 2, it is observed as a black background color by light absorption. Further, the incident light is reflected from the surfaces of the many light reflecting members 31 made of the mica, and exhibits a glitter effect that shines in a mica-like or metallic tone.

  Furthermore, since the surface of the mica fine particles 3a of the light reflecting member 31 is inclined in a random direction at a slight angle with respect to the base, the shine of the reflected light changes according to the position of the observer. It also exhibits an excellent glow effect. Furthermore, in the case of the light reflecting member 31 composed of a plurality of mica fine particles 3a, the light effect is further promoted because the light reflecting member 31 is observed as a visually bright large spot.

(Method for producing glass coating material used in the present invention )
Next, the manufacturing method of the glass coating material used by this invention is demonstrated .
The glass coating material manufacturing method includes the following three steps as basic steps, and the light reflecting member 31 is sandwiched between the colored glass base layer 2 and the transparent glass surface layer 4 and baked on the base substrate. Has its characteristics.
a) A base preparation step in which a black colored glass base layer 2 is preferably baked and formed on the steel plate itself or the base substrate 1 having a steel plate surface subjected to enamel brazing.
b) A reflecting member arranging step in which the light reflecting member 31 mainly composed of the mica fine particles 3a is dispersed and arranged on the surface of the colored glass base layer 2.
c) A surface layer forming step of forming a transparent glass surface layer 4 by coating a slip mainly composed of a transparent frit and firing the colored glass underlayer 2 at a temperature lower than the baking temperature and at a temperature of 800 ° C. or lower.

(Preparation process)
In the example of FIG. 1, the base substrate 1 is obtained by applying a conventional black undercoat layer 21 containing nickel as an adhesion component to a hollow steel plate 11 in advance, and a colored glass underlayer 2 is baked thereon. Therefore, conventional methods are applied. Moreover, if it is suitable as a background color, the colored glass base layer 2 can also be used with the black undercoat layer 21. An appropriate baking temperature for the colored glass underlayer 2 is preferably selected to be 830 ° C. or higher from the relationship with the baking temperature of the transparent glass surface layer described later.

(Reflective member placement process)
In order to arrange the mica fine particles constituting the reflecting member 31 on the surface of the colored glass base layer 2, a method of spraying an aqueous slip containing mica fine particles and a binder by air spray is preferably employed. In this case, the aqueous slip is preferably a slip in which 100% of water contains 10% or less of mica fine particles, preferably 5% or less, and an appropriate amount of a binder.

  As the mica fine particles, those whose particle size is adjusted in the range of an average major axis of the plane portion of 50 to 150 μm are preferable. This mica fine particle is a mineral that is originally available as a scaly powder having a thickness of about 10 μm or less. In addition to colorless fine particles obtained by adjusting the particle size of the mineral itself, there is also a color processed with titania added to the surface. Any of these can be applied to the present invention.

  A particularly important point in this reflecting member arranging step is that the mica slip is sprayed on the surface of the colored glass base layer 2 previously baked and formed with the gaps 32 provided as shown in the illustration of FIG. Then, the mica fine particles 3a are arranged in such a state that the colored glass underlayer 2 can be visually observed from the gap 32.

  In order to realize such a dispersed state, the mica content of the aqueous slip described above is an important factor, and if the content is within the above-mentioned range, the mica fine particles can be dried by spraying. 3a can be fixed by a binder in a state of being dispersed on the surface of the colored glass underlayer 2 and in conformity with the shape of the surface of the colored glass underlayer 2, that is, a wide plane portion of the mica fine particles is directed generally upward. It is. In this case, the wide planar portion of the dispersed mica fine particles is inclined with the direction being slightly biased naturally and randomly depending on the shape of the surface of the colored glass underlayer 2.

(Surface layer forming step)
After passing through the above steps, a slip mainly composed of a transparent frit is coated and baked under the temperature condition to form a transparent glass surface layer 4, and the colored glass underlayer 2 and the transparent glass surface layer 4 are interposed between the light The reflective member 31 is sandwiched and integrated.
In this case, in order to obtain a deep glow effect, the thickness of the transparent glass surface layer 4 is preferably set to 10 μm or more, more preferably 30 μm or more.

  Further, in order to obtain the luminous effect of the light reflecting member 31 more effectively, the transparent frit for forming the transparent glass surface layer 4 or the slip thereof does not contain a component that inhibits transparency or a mill additive. This is very important. For example, the transparent frit itself should not contain components that tend to cause emulsion such as titania, zirconia, and fluorine, and the mill additive should not contain clay (kaolin, montmorillonite, etc.). preferable. Instead of clay, colloidal silica or the like may be used.

Thus, by this production method, the glass coating material used in the present invention described in detail above can be produced industrially.
According to this manufacturing method , in particular, the background color is observed by reflected light or light absorption from the underlayer 2 through the gaps 32 between the light reflecting members 31, and the reflection from the surfaces of the many light reflecting members 31 made of mica fine particles. In order to exhibit a glittering effect shining in a mica or metallic tone by light, the surface of the mica fine particles 3a of the light reflecting member 31 is inclined in a random direction at a slight angle with respect to the base. Since it can arrange | position, the advantage that the brightness effect excellent in the design property that the brightness of reflected light changes with the position of an observer is exhibited is acquired.

( Cooker of the present invention )
FIG. 3 shows an example of the cooking device of the present invention. The first invention is a top plate 51 which is a top plate of the cabinet 5 having a built-in heating gas device having a gas burner 6 and provided with ignition adjustment buttons 62 on the front surface. The glass coating material is applied. In this case, it is preferable that a burner hole 52 for exposing the gas burner 6 is formed and a positioning (not shown) is provided so that the five virtues 61 are arranged. Further, a glass coating material that is bent in advance may be applied to the four peripheral portions of the top plate 51, but it is preferable to protect the frame shape with a frame material made of stainless steel. In addition,
Here, although the gas range was illustrated, it is applicable also with an electric range.

  Thus, according to the cooker of the present invention, it is possible to exhibit the wear resistance, corrosion resistance, heat resistance, etc., which are the features of the glass coat material used for the top plate, as well as specific to the glass coat material of the present invention. An excellent metallic glow effect can be achieved, providing a more attractive cooker that cannot be obtained with conventional candy products.

The principal part cross-sectional conceptual diagram for demonstrating the glass coat material used by this invention. The cross-sectional illustration figure for demonstrating the light reflection member of the glass coat material used by this invention. The principal part perspective view which shows the cooking device of this invention.

1: base substrate, 11: steel plate for enamel 2: colored glass underlayer, 21: black undercoat layer 3a: mica fine particles, 31: light reflecting member, 32: gap 4: transparent glass surface layer

Claims (2)

A cabinet in which a heating means is incorporated in a glass coating material in which a light reflecting member mainly composed of mica fine particles is dispersed and disposed on the surface of a colored glass underlayer provided on a base substrate, and the surface thereof is covered with a transparent glass surface layer. A cooking device characterized by being assembled as a top plate. The cooking device according to claim 1, wherein the heating means is a gas burner, and a burner hole for exposing the gas burner is formed in the top plate.

Images