JP3360653B2 - Antifouling flush toilet and adhesive film for antifouling flush toilet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large urinal or urinal such as a Western-style toilet, a Japanese-style toilet, a simple toilet or the like having an antifouling property (including easy cleaning).

[0002]

2. Description of the Related Art The antifouling treatment of the surface of a toilet bowl surface of a toilet bowl is useful for keeping the toilet bowl surface of a toilet bowl clean, and for keeping hygiene and aesthetic appearance high. As a method for this, conventionally, as shown in, for example, JP-A-4-240171, a chemically adsorbed monomolecular film containing fluorine is applied to the surface of a glazed product.
There has been proposed a method of forming the film through a siloxane-based monomolecular film. It is also disclosed that by adopting such a structure, the surface of the glazed product becomes water-repellent, and water-based stains such as toilet waste and tea astringent are less likely to occur.

[0003]

However, when the above-described water repellent treatment is performed on the toilet bowl surface of the flush toilet, the washing water that has exited from the small hole in the water passage of the rim portion diffuses throughout the toilet bowl surface. However, there is a problem that the unwashed area where the washing water is not supplied remains as a streak and flows down as it is.

For this reason, in the area where the washing water flows down in a streak form, dirt is easily removed due to the effect of the water repellent, resulting in a clean surface, but in the area where washing water is not supplied,
Dirt remained. That is, there is a problem in that the portion that has become clean due to the removal of dirt and the portion that remains without being washed off are mottled, so that the contamination is rather conspicuous.

The present invention has been made in view of the above circumstances, and has as its object to provide a flush-type toilet and an adhesive film for a flush-type toilet, which can reliably prevent the generation of dirt on the entire toilet bowl surface. Aim.

[0006]

According to the present invention, in order to solve the above-mentioned problems, a toilet bowl surface on which a water-repellent coating is formed and an upper portion of the toilet bowl surface are provided. Means for discharging washing water in a rotating direction, and wherein the coating is formed by applying an adhesive film having a water-repellent coating formed on the surface thereof to a toilet bowl surface. To provide an antifouling flush toilet. By doing so,
The washing water spreads over the entire toilet bowl surface, and the antifouling effect of the water-repellent coating is exerted on the entire toilet bowl surface.

[0007] In a preferred embodiment of the present invention, in a flush toilet, a toilet bowl surface on which a water-repellent coating is formed, and a direction in which the water in the toilet bowl is disposed above the toilet bowl surface and swirls. And a jet nozzle for jetting washing water. Since there is an ejection nozzle that ejects the washing water in a direction in which the stored water in the toilet bowl turns, the cleaning power of the washing water that spreads over the entire toilet bowl surface can be improved by the pressure of the ejection nozzle. In the above aspect, for example, the ejection nozzle is arranged in the bottomless area of the rim waterway having a bottomless area in a part thereof or in the bottomless rim of the rim waterway composed of the bottomless rim. I do. In this case, a plurality of ejection nozzles may be provided.

[0008] The jet nozzle may jet air by mixing air bubbles into the washing water. By doing so, the improvement of the washing effect and the water saving effect are simultaneously exhibited.

In another preferred aspect of the present invention, a toilet bowl surface on which a water-repellent coating is formed, a rim water passage provided on an upper edge of the toilet bowl surface, and a bottom surface of the rim water passage are provided. An elliptical or rectangular water injection hole having an opening area larger than that of the other water injection holes at an arbitrary position deviated to the right or left of the toilet bowl center line, and wherein the coating is repellent. An antifouling flush toilet characterized by being formed by applying an adhesive film having an aqueous film formed on the surface thereof to a toilet bowl surface. The presence of an elliptical or rectangular water hole with an opening area larger than the other water holes at any position off the left or right of the toilet center line causes the water in the toilet bowl to swirl, The washing water spreads over the entire surface, and the antifouling effect of the water-repellent coating is exerted on the entire toilet bowl surface.

In another preferred embodiment of the present invention, a toilet bowl surface on which a water-repellent coating is formed, a rim water channel provided on an upper edge of the toilet bowl surface, and a bottom surface portion of the rim water channel. Water spray holes provided, at least one of the water spray holes provided at the bottom of the rim water passage at the front end of the toilet has an oval or rectangular shape having a long diameter in the water flow direction of the water passage. The antifouling flush toilet, wherein the coating is formed by applying an adhesive film having a water-repellent coating formed on the surface thereof to a toilet bowl surface. At least one of the water spray holes provided at the bottom of the rim water passage at the front end of the toilet bowl has an elliptical or rectangular shape having a long diameter in the water flow direction of the water passage, so that the water in the toilet bowl is provided. The swirling water is swirled, and the washing water spreads over the entire toilet bowl surface, and the antifouling effect of the water-repellent coating is exerted on the entire toilet bowl surface.

In a preferred embodiment of the present invention, the coating is a silicone coating. By using a silicone coating, it adheres to the toilet bowl surface made of a glazed surface (inorganic substance) through a siloxane bond, so that the adhesion and abrasion resistance of the coating are improved.

In a preferred embodiment of the present invention, a fluorine component is contained. By containing the fluorine component, the water repellent effect is improved, and the antifouling effect is improved.

[0013] In a preferred aspect of the present invention, the coating is formed such that an organic cross-link is formed. By forming the organic cross-links, the alkali resistance of the coating is improved, and the deterioration of the coating due to urination is suppressed.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a water-repellent film that can be suitably used in the present invention will be described. As the water repellent film in the present invention, a film having a contact angle with water of 90 ° or more by a contact angle measuring device can be used, and preferably 110
Degrees or more, more preferably 140 degrees or more.

The water-repellent coating of the present invention may contain a monovalent metal component and / or a metal component having a Pauling electronegativity scale of less than 1.0. Here, as the metal component having a monovalent valence, Li, Na,
K, Rb, Cs, Ag, Cu, Au and the like can be suitably used, and as a metal component having a scale of Pauling's electronegativity of less than 1.0, Li, Na, K, Rb, Cs, B
a and Sr can be suitably used.

As the water-repellent film of the present invention, a silicone film, a fluorine resin film, a fluorine compound film, a film containing silicone and a fluorine resin, a film containing silicone and a fluorine compound, etc. can be suitably used.

The silicone coating is, for example, a silicone in which one or more organic groups are bonded to a silicon atom in the silicone, that is, a silicone having an average composition formula RpSiXqO (4
-Pq) / 2 (where R is a monovalent organic group having 1 to 18 carbon atoms, X is an alkoxy group having 1 to 4 carbon atoms, p and q are 0 <p <2, It is a number that satisfies 0 <q <4, 0 <p + q <4), and can be obtained by applying the uncured silicone to the toilet bowl surface and curing. The application method here is spray coating,
Known methods such as brush coating and sponge coating can be used.
For curing the silicone, well-known methods such as standing at normal temperature, heating, and irradiation with ultraviolet rays can be used. Also, a release sheet,
Using an adhesive layer disposed on a release sheet, a flexible film disposed on the adhesive layer, and an adhesive film including a silicone-containing coating formed on the surface of the flexible film, The silicone coating can also be formed by peeling the release sheet and bringing the adhesive layer into contact with the toilet bowl surface of the flush toilet.

The uncured silicone is a bifunctional silane derivative monomer (having two hydrolyzable groups per molecule,
A monomer forming a bifunctional siloxane bond in which two oxygen atoms are bonded to each silicon atom) and / or a trifunctional silane derivative monomer (having three hydrolyzable groups per molecule,
A monomer that forms a trifunctional siloxane bond in which three oxygen atoms are bonded to each silicon atom as an essential component, and a tetrafunctional silane derivative monomer (having four hydrolyzable groups per molecule, It is obtained by hydrolyzing and polycondensing a composition containing a monomer that forms a tetrafunctional siloxane bond in which four oxygen atoms are bonded to atoms.

Here, as the bifunctional silane derivative, dimethyldimethoxysilane, dimethyldiethoxysilane,
Diphenyldimethoxysilane, diphenyldiethoxysilane, phenylmethyldimethoxysilane, phenylmethyldiethoxysilane, γ-glycidoxypropylmethyldimethoxysilane, γ-glycidoxypropylmethyldiethoxysilane, γ- (meth) acryloxypropylmethyl Dimethoxysilane, γ- (meth) acryloxypropylmethyldiethoxysilane, γ-aminopropylmethyldimethoxysilane, γ-aminopropylmethyldiethoxysilane, heptadecafluorooctylmethyldimethoxysilane, heptadecafluorooctylmethyldiethoxysilane, etc. Can be suitably used.

Examples of trifunctional silane derivatives include methyltrimethoxysilane, methyltriethoxysilane, methyltriisopropoxysilane, methyltributoxysilane, ethyltrimethoxysilane, ethyltriethoxysilane, ethyltriisopropoxysilane, and ethyltritoxysilane.
Butoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, vinyltriisopropoxysilane, vinyltributoxysilane, n-propyltrimethoxysilane, n-propyltriethoxysilane, n
-Propyltriisopropoxysilane, n-propyltributoxysilane, n-hexyltrimethoxysilane, n-hexyltriethoxysilane, n-hexyltriisopropoxysilane, n-hexyltritbutoxysilane, n-decyltrimethoxysilane, n -Decyltriethoxysilane, n-decyltriisopropoxysilane, n-decyltributoxysilane, n-octadecyltrimethoxysilane, n-octadecyltriethoxysilane, n-octadecyltriisopropoxysilane, n-octadecyltributoxysilane, phenyl Trimethoxysilane, phenyltriethoxysilane,
Phenyltriisopropoxysilane, phenyltributoxysilane, γ-glycidoxypropyltrimethoxysilane, γ-glycidoxypropyltriethoxysilane, γ-glycidoxypropyltriisopropoxysilane, γ-glycidoxypropyltrit Butoxysilane, β- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, β- (3,4-epoxycyclohexyl) ethyltriethoxysilane, β- (3,4-epoxycyclohexyl) ethyltriisopropoxysilane, β- (3,4-epoxycyclohexyl) ethyl tri-butoxysilane, γ- (meth) acryloxypropyltrimethoxysilane, γ- (meth) acryloxypropyltriethoxysilane, γ- (meth) acryloxypropyltriisopropoxy Orchid, γ- (meth) acryloxypropyl tributoxysilane, γ-aminopropyltrimethoxysilane, γ-aminopropyltriethoxysilane, γ-aminopropyltriisopropoxysilane, γ-aminopropyltributoxysilane, γ-mercapto Propyltrimethoxysilane, γ-mercaptopropyltriethoxysilane, γ-mercaptopropyltriisopropoxysilane, γ-mercaptopropyltributoxysilane, trifluoropropyltrimethoxysilane, trifluoropropyltriethoxysilane, trifluoropropyltriisopropoxy Silane, trifluoropropyltributoxysilane, heptadecafluorooctyltrimethoxysilane,
Heptadecafluorooctyltriethoxysilane, heptadecafluorooctyltriisopropoxysilane, heptadecafluorooctyltributoxysilane, and the like can be suitably used.

As the tetrafunctional silane derivative, tetramethoxysilane, tetraethoxysilane, tetraisopropoxysilane, tetrabutoxysilane, dimethoxydiethoxysilane and the like can be suitably used.

Among the above uncured silicones, those having a γ-glycidoxypropyl group, a β- (3,4-epoxycyclohexyl) group, a γ- (meth) acryloxy group, etc., are organic crosslinks other than siloxane crosslinks. Can be formed, which is preferable.

In the above uncured silicone,
A curing agent may be added to enhance the room temperature curability.
Examples of the curing agent include lithium hydroxide, sodium hydroxide, potassium hydroxide, sodium methylate, sodium acetate, sodium formate, potassium acetate, potassium formate, potassium propionate, tetramethylammonium chloride, tetramethylammonium hydroxide and the like. Basic compounds; n-hexylamine, tributylamine, diazabicycloundecene, ethylenediamine, hexanediamine, diethylenetriamine, triethylenetetramine, tetraethylenebentamine, ethanolamines, γ-aminopropyltrimethoxysilane, γ- Aminopropylmethyldimethoxysilane, γ- (2-aminomethyl) -aminopropyltrimethoxysilane, γ- (2-aminomethyl) -aminopropylmethyldimethoxysilane, etc. Titanium compounds such as tetraisopropyl titanate and tetrabutyl titanate; aluminum compounds such as aluminum triisobutoxide, aluminum triisopropoxide, aluminum acetylacetonate, aluminum perchlorate, and aluminum chloride; tin acetylacetonate, dibutyltin Tin compounds such as octylate; cobalt octylate;
Metal-containing compounds such as cobalt acetylacetonate and iron acetylacetonate; and acidic compounds such as phosphoric acid, nitric acid, phthalic acid, p-toluenesulfonic acid, and trichloroacetic acid can be preferably used.

Further, metal oxide fine particles may be added to improve the hardness and abrasion resistance of the cured film, or to improve the gloss by increasing the refractive index. As the metal oxide, silica, alumina, cerium oxide, tin oxide, zirconium oxide, hafnium oxide, antimony oxide, iron oxide, titanium oxide, rare earth oxide, and the like can be used.

In the present invention, as the organic crosslinking, for example, a methacryl group, a vinyl group, an epoxy group, an amide group and the like can be suitably used.

Examples of the fluororesin used in the fluororesin coating include polyvinyl fluoride, polyvinylidene fluoride, poly (ethylene trichloride), polytetrafluoroethylene, polytetrafluoroethylene-propylene hexafluoride copolymer, and ethylene-polyethylene. Ethylene tetrafluoride copolymer, ethylene-polychlorinated ethylene trifluoride copolymer,
A tetrafluoroethylene-perfluoroalkylvinylether copolymer, a perfluorocyclopolymer, a vinylether-fluoroolefin copolymer, a vinylester-fluoroolefin copolymer, or the like can be suitably used, and the fluororesin coating is applied to the toilet bowl surface and cured. It is possible to get. Here, as a method of application, well-known methods such as spray coating, brush coating, and sponge coating can be used. Well-known methods, such as standing at normal temperature, heating, and irradiation with ultraviolet rays, can be used for curing the fluororesin. Further, the fluororesin coating is a release sheet, an adhesive layer disposed on the release sheet, and an adhesive film formed of a fluororesin film disposed on the adhesive layer,
It can also be formed by peeling the release sheet and bringing the adhesive layer into contact with the toilet bowl surface of the flush toilet.

Further, among the above-mentioned fluororesins, polyvinyl fluoride, polyvinylidene fluoride, polychlorinated ethylene trifluoride, polytetrafluoroethylene, ethylene-polytetrafluoroethylene copolymer, polytetrafluoroethylene-hexafluoropropylene copolymer, for tetrafluoride ethylene-perfluoroalkyl vinyl ether copolymer, a film has been marketed, the film one surface may be provided with an adhesive layer a release sheet, the adhesive toilet bowl surface by peeling the release sheet It is also possible to apply by bringing the layers into contact.

The fluorine compound used for the fluorine compound film includes lithium fluoride, magnesium fluoride, calcium fluoride, strontium fluoride, barium fluoride, scandium fluoride, yttrium fluoride, zirconium fluoride, and hafnium fluoride. , Manganese fluoride, iron fluoride, cobalt fluoride, nickel fluoride, copper fluoride,
Aluminum fluoride, gallium fluoride, indium fluoride, bismuth fluoride, lanthanum fluoride, cerium fluoride, praseodymium fluoride, neodymium fluoride, samarium fluoride, europium fluoride, terbium fluoride,
Dysprosium fluoride, holmium fluoride, erbium fluoride, thulium fluoride, ytterbium fluoride, lutetium fluoride, etc. can be suitably used.
It can be obtained by applying to the toilet bowl surface and curing. Here, as a method of application, well-known methods such as spray coating, brush coating, and sponge coating can be used. For the curing of the fluorine compound, well-known methods such as standing at normal temperature, heating, and irradiation with ultraviolet rays can be used.

The water repellent coating may contain an antibacterial agent. Antibacterial agents, silver, copper, antibacterial metals such as zinc and its compound fine particles or a carrier such as silica gel or zeolite, quaternary ammonium salt, nitrile derivative, imidazole derivative, benzothiazole derivative,
Isothiazole derivatives, thiazithiazole derivatives, triazine derivatives, sulfone derivatives, phenol derivatives, phenol ester derivatives, pyrrole derivatives and the like can be suitably used.

[0030]

1 shows an embodiment of a flush toilet A according to the present invention. In this embodiment, a bottomless rim region 1a is provided in a part of the rim water passage 1 of the toilet A, and the bottomless rim region 1a and the remaining bottomed rim region 1b are separated by a partition 1c.
It is divided by. In the bottomless rim area 1a, a jet nozzle 2 for washing water is provided.
The water supply pipe 3 is connected to an appropriate water supply source (not shown) such as a water pipe via a suitable water supply valve 4 such as a flash valve. Further, the water supply pipe 3 is branched on the way, and the branched end 3a is connected to the bottomed rim region 1b of the toilet A. A water-repellent coating is formed on the toilet bowl surface 10.

When the flush operation is performed with the toilet A constructed as described above, the water supply valve 4 is opened, and the flush water flows from the jet nozzle 2 into the bottomless rim region 1a from the branch end 3a of the water supply pipe. Each is supplied into the bottom rim region 1b. Washing water jetting direction of the jet nozzle 2 from being set in a substantially horizontal direction or slightly downward along the bowl surface 10, washing water released into a bottomless rim region 1a, the surface of the toilet bowl surface 10 To
It flows down while flowing in the turning direction shown by the thick arrow. Therefore, the inflow of the washing water flowing in the turning direction, the flow force in the same direction is applied to the accumulated water 20 which is stored in the bowl surface 10, as a result, the swirling flow as shown in thin arrow It will occur in the reservoir 20. At the same time, the branch end 3a of the water supply pipe 3 is also provided in the bottomed rim region 1b.
Washing water is supplied from the rim through the rim water hole 1d.
Temporarily increasing the amount of water is discharged into the toilet bowl surface 10 accumulated water 20 from, so causing the water level difference between the toilet bowl surface 10 and the drainage channel, it has prompted the generation of siphon action. Thus, in combination with the inflow of the washing water flowing in the swirling direction and the swirling flow of the stored water 20, the washing water spreads over the entire toilet bowl surface, and the antifouling effect of the water-repellent coating is exerted on the entire toilet bowl surface. Will be demonstrated.

FIG. 2 shows another embodiment of the present invention. The point that a water-repellent coating is formed on the toilet bowl surface 10 is the same as the embodiment of FIG. In this embodiment, the entire rim water passage 1 is a bottomless rim, and the rim water passage 1
It has a special feature in that a plurality of cleaning water jet nozzles 2 are disposed therein. In the illustrated embodiment, three jet nozzles 2 are arranged at appropriate intervals, and the jetting direction of the washing water at each jet nozzle 2 is set to the swirling flow direction of the stored water 20 (counterclockwise in the drawing). It has been set. Therefore, in the present embodiment, the washing water ejected from each ejection nozzle 2 and the swirling flowing pool water 20 allow the washing water to spread over the entire toilet bowl surface, and the antifouling effect of the water-repellent coating is reduced over the entire toilet bowl surface. Will be demonstrated in.

By the way, in the above embodiment, the ejection nozzle 2
Is disposed in the rim waterway region having no bottom. However, when the bottomless region is not provided in the rim waterway, the position of the ejection nozzle 2 is set immediately below the rim above the toilet bowl 10 as shown in FIG. It is also possible.

Further, although not shown, the ejection nozzle 2
If bubbles are mixed in the washing water spouted from the surface, the effect of pulverizing the contaminants by the bubbles can be used, so that the washing ability can be further improved. Further, the amount of water discharged in a certain time is reduced, and a water saving effect is provided.

FIGS. 4 and 5 show another embodiment of the present invention. A in the figure is the toilet bowl, is 10 the bowl surface, 1
2 is a trap inlet opening into the bowl bottom, the bowl surface 1
0 communicates with a trap drain not shown.
The point that a water-repellent coating is formed on the toilet bowl surface 10 is the same as the embodiment of FIG.

[0036] 1 is a rim water passage provided in the flights bowl surface 10 an upper edge portion, the bowl surface 1 over the entire circumference of the toilet bowl surface 10 an upper edge
0 bottom protrudes inwardly is formed so as to face the bowl surface 10, the feed water was opened in the toilet A upper rear surface in the bowl surface 10 rear side in the middle line that bisects the toilet unit A in the left and right It communicates with the mouth 14 through the water channel 15.

On the bottom surface of the rim water passage 1, a large number of water injection holes 6 which are vertically open in a circular shape over the entire circumference of the rim water passage 1 are formed at appropriate intervals. cage, 6a to be located at the bowl surface 10 front on the center line bisecting the inner bowl a on the left and right, several things 6b which in the bowl surface 10 rear portion disposed on the left and right of the center line, (in the illustrated example left) either one lateral with respect to the center line in the bowl surface 10 near the front end portion are several things 6c disposed is formed slightly larger diameter than the other.

Further, at a position slightly deviated to one of the right and left sides (left side in the illustrated example) from the connection portion of the rim water passage 1 with the water conduit 15, the washing water is replaced with the circular water injection hole 6. One long water hole 7 is formed in the flow direction.

The water hole 7 in the shape of a long hole is formed so that the opening direction is opened in the vertical direction, similarly to the water hole 6 in the circular shape. And has a sufficiently large opening area.

The toilet A thus configured is supplied with water from a water supply device such as a tank or a flush valve, and the flush water flowing into the rim water passage 1 via the water supply port 14 and the water conduit 15 is supplied to the toilet A. It ejected from the rim water passage 1 bottom of Imizu hole 6,7 to bowl plane 10.

The washing water flowing into the rim water passage 1 is
It flows toward the front of the rim water passage path 1 from the rear, and has directionality. Therefore, since Imizu hole 6 of the circular hole shape of the circular hole shape and the vertical direction of the opening direction, the bowl surface 10 of the wash water
Erupting vertically into the inside, whereas the long water hole 7
Due to the shape that is long in the flow direction, the washing water can be jetted into the toilet bowl surface 10 while maintaining the directivity in the rim water passage 1.

In addition, a large amount of cleaning water is supplied from the long hole-shaped water spray hole 7 in a concentrated manner as compared with the cleaning water spouted from the circular water hole 6. The washing water supplied from the hole 7 gives swirling force to the pool water in the toilet bowl surface 10 in combination with the above-described directionality. Furthermore, washing water in large quantities supplied in a concentrated from Imizu hole 7 of the long hole shape bowl surface 10
A swirling main flow is also formed inside. By the two actions described above, the washing water spreads over the entire toilet bowl surface, and the antifouling effect of the water-repellent coating is exerted on the entire toilet bowl surface.

FIG. 6 shows another embodiment of the present invention. The point that a water-repellent coating is formed on the toilet bowl surface 10 is the same as the embodiment of FIG. For example, in the case of this flush toilet, a rim water passage 1 is provided substantially all around the upper edge of the toilet bowl surface 10 of the toilet body A, and the rim water passage 1 is
The water conduit 15 communicates with a water source such as a low tank via a water supply port 14 thereof.

[0044] Furthermore, the flush toilet bowl is Ru Tei has a water stopper 16 at the rear end portion of one side of the rim water passage 1. For this reason, the washing water supplied from the water guide channel 15 to the rim water channel 1 does not branch due to the presence of the water stop portion 16 and all turn in one direction in one direction as indicated by the white arrow in the drawing. Then, the washing water flows around the rim water passage 1 substantially to the water stop portion 16, and during this time, flows down from the plurality of water injection holes 7 to the toilet bowl surface 10 sequentially. The diameter of the water injection hole 6 is usually about 4 to 12 mm, and the washing water flows down the toilet bowl surface 10 in a substantially vertical direction to the reservoir 8.

On the other hand, in the rim water passage 1 near the front end of the toilet,
A rectangular water injection hole 7 is formed in the water flow direction having a larger diameter than the other water injection holes 6. The water injection hole 7 has a rectangular shape that is long in the flowing direction of the cleaning water, and the cleaning water flows into the water injection hole 7 in a large amount with a strong water force. The washing water is jetted obliquely from the spray hole 7 in the traveling direction. For this reason, as shown in FIG. 6, a large amount of washing water spouting from the rectangular water injection hole 7 flows obliquely on the toilet bowl surface 10 and flows into one side of the reservoir 8 with strong water force. The water section 8 forms a strong swirling flow. By the two actions described above, the washing water spreads over the entire toilet bowl surface, and the antifouling effect of the water-repellent coating is exerted on the entire toilet bowl surface.

The size of the rectangular large water hole 7 depends on the amount of washing water to be supplied to the rim water channel 1 and the shape and inclination of the toilet bowl surface 10, but it is generally used. In this case, the size can be, for example, about 10 mm × 20 mm. In addition, the water spray hole 7 can be formed in an oval shape, and the ratio of the minor axis to the major axis in this case can be made approximately the same as that of the rectangular shape.

[0047]

According to the present invention, it is possible to provide a flush toilet and an adhesive film for the flush toilet, which can reliably prevent the generation of dirt on the entire toilet bowl surface.

[Brief description of the drawings]

FIG. 1 shows an embodiment of a flush toilet according to the present invention, wherein (A) is a cross-sectional plan view and (B) is an X- line of (A).
Front sectional view in X-ray.

FIG. 2 is a plan sectional view showing another embodiment of the flush toilet according to the present invention.

FIG. 3 is a front sectional view showing another embodiment of a flush toilet according to the present invention.

FIG. 4 is a partially cutaway plan sectional view showing another embodiment of a flush toilet according to the present invention.

FIG. 5 is a partially cut-away enlarged perspective view of a main part illustrating a state of jetting of washing water into a toilet bowl.

FIG. 6 is a plan sectional view showing another embodiment of the flush toilet according to the present invention.

FIG. 7 is a side sectional view illustrating a flush water jetting form in the flush toilet illustrated in FIG. 6;

[Explanation of symbols]

A: toilet bowl, 1: rim waterway, 1a: bottomless rim area,
1b ... bottom rim region, 1c ... partition wall, 1d ... rim water passage hole, 2 ... injection out nozzle 3 ... water supply pipe, 4 ... supply valve, 6 ... rectangular or oval non Imizu hole, 7
... Rectangular or oval water holes, 8 ... Sump section,
10 ... the toilet bowl surface, 12 ... trap entrance, 14 ... water supply port,
15: Headrace, 16: Water stop, 20: Reservoir

Continuation of front page (56) References JP-A-11-71805 (JP, A) JP-A-4-240171 (JP, A) JP-A-5-65733 (JP, A) JP-A-6-299587 (JP) JP-A-9-165809 (JP, A) JP-A-2000-143372 (JP, A) JP-A-52-7945 (JP, U) JP-A-6-57979 (JP, U) (58) Survey Field (Int.Cl. ⁷ , DB name) E03D 11/08 E03D 11/02 E03D 11/13 C09D 127/12-127/18 C09D 183/00-183/16

Claims (19)

(57) [Claims] 1. A toilet bowl surface on which a water-repellent coating is formed, and means disposed on an upper portion of the toilet bowl surface for discharging washing water in a direction in which stored water in the toilet bowl turns, and The coating,
An antifouling flush toilet characterized by being formed by applying an adhesive film having a water-repellent coating formed on the surface thereof to a toilet bowl surface. 2. A toilet bowl surface on which a water-repellent coating is formed, and a jet nozzle disposed on an upper portion of the toilet bowl surface and jetting washing water in a direction in which stored water in the toilet bowl turns, Further, the coating is formed by applying an adhesive film having a water-repellent coating formed on the surface thereof to a toilet bowl surface, and is an antifouling flush toilet. 3. A toilet bowl surface on which a water-repellent coating is formed, a rim water channel provided with a bottomless region in a part thereof, and a toilet bowl disposed in the bottomless region of the rim water channel. And a jet nozzle for jetting the washing water in a direction in which the stored water turns, and the coating is a sticking film having a water-repellent coating formed on the surface thereof.
An antifouling flush toilet characterized by being formed by being attached to a toilet bowl surface. 4. A toilet bowl surface on which a water-repellent coating is formed, a rim water passage composed of a bottomless rim, and washing in a direction in which stored water in a toilet bowl provided in the bottomless rim turns. A jet nozzle for jetting water, and the coating is formed by applying an adhesive film having a water-repellent coating formed on the surface thereof to a toilet bowl surface. A flush toilet. 5. The antifouling flush toilet according to claim 2 , wherein a plurality of the ejection nozzles are provided. 6. The antifouling flush toilet according to claim 2 , wherein the jet nozzle jets air bubbles by mixing air bubbles into the wash water. 7. A toilet bowl surface on which a water-repellent coating is formed, a rim water passage provided on an upper edge of the toilet bowl surface, and a water spray hole provided on a bottom surface of the rim water passage. An oval or rectangular water hole having a larger opening area than other water holes exists at an arbitrary position off the toilet center line to the left or right, and the film has a water-repellent film formed on the surface. An antifouling flush toilet, which is formed by applying an adhesive film to a toilet bowl surface. 8. A toilet bowl surface on which a water-repellent coating is formed, a rim water passage provided on an upper edge of the toilet bowl surface, and a spray hole provided on a bottom surface of the rim water passage. The water hole provided at the bottom of the rim water channel at least at the front end of the toilet among the water holes has an oval or rectangular shape having a long diameter in the water flow direction of the water channel, and the coating is An antifouling flush toilet characterized by being formed by applying an adhesive film having a water-repellent coating formed on the surface thereof to a toilet bowl surface. 9. The method according to claim 1, wherein the water-repellent coating is a silicone-containing coating.
The antifouling flush toilet according to Item. 10. The antifouling flush toilet according to claim 9, wherein the coating contains a fluorine component. 11. The antifouling flush toilet according to claim 9, wherein an organic bridge is formed on the coating. 12. The method according to claim 1, wherein the water-repellent coating is a silicone-containing coating.
The antifouling flush toilet according to Item. 13. The antifouling flush toilet according to claim 12, wherein the water-repellent coating contains a fluorine component. 14. The antifouling flush toilet according to claim 12, wherein an organic crosslink is formed in the water-repellent coating. 15. The film according to claim 14, wherein the film is a fluororesin film,
The antifouling flush toilet according to any one of claims 1 to 8, wherein the flush toilet is formed by being attached to a toilet bowl surface of the flush toilet. 16. An adhesive film for producing the antifouling flush toilet according to any one of claims 1 to 8, wherein the adhesive film is disposed on the release sheet and the release sheet. An adhesive layer, a flexible film disposed on the adhesive layer, and a silicone-containing coating formed on the surface of the flexible film, wherein the release sheet is peeled off and a toilet bowl surface of a flush toilet A water-repellent coating can be formed on the toilet bowl surface by bringing the adhesive layer into contact with the adhesive layer. 17. The coating on the surface of the flexible film,
2. The composition according to claim 1, further comprising a fluorine component.
7. The adhesive film for an antifouling flush toilet according to 6. 18. The coating on the surface of the flexible film,
17. An organic cross-link is formed.
Or the adhesive film for an antifouling flush toilet according to 17; 19. The adhesive film for producing the antifouling flush toilet according to any one of claims 1 to 8, wherein the water-repellent coating comprises a release sheet and the release sheet. -type sheet <br/> over preparative being arranged on adhesive layer, made of a fluororesin film disposed on the adhesive layer, the adhesive in the toilet bowl surface of the flushing toilet peel off the said release sheet A water-repellent coating can be formed on the stool surface by bringing the agent layer into contact with the toilet bowl.