JPS5556034A - Clay-free enamel ground coat - Google Patents
Clay-free enamel ground coatInfo
- Publication number
- JPS5556034A JPS5556034A JP12991978A JP12991978A JPS5556034A JP S5556034 A JPS5556034 A JP S5556034A JP 12991978 A JP12991978 A JP 12991978A JP 12991978 A JP12991978 A JP 12991978A JP S5556034 A JPS5556034 A JP S5556034A
- Authority
- JP
- Japan
- Prior art keywords
- coat
- refractory
- clay
- frit
- blending
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000003298 dental enamel Anatomy 0.000 title abstract 3
- 238000001354 calcination Methods 0.000 abstract 2
- 239000004927 clay Substances 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000007872 degassing Methods 0.000 abstract 1
- 239000000499 gel Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 239000000741 silica gel Substances 0.000 abstract 1
- 229910002027 silica gel Inorganic materials 0.000 abstract 1
Landscapes
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Glass Compositions (AREA)
Abstract
PURPOSE: To provide the title coat suitable for use in production of enamel having a smooth surface and high dielectric strength by blending a colloidal refractory into frit without adding clay followed by wet pulverization.
CONSTITUTION: A small amt. of a colloidal refractory is blended into frit without adding clay, and the blend is pulverized with a wet mill to an average grain size of 6.5μm or below which is smaller than a usual size of about 10W15μm, thus obtaining an enamel ground coat. The refractory may be silica gel or alumina gel, and the refractory content of the cost is about 1W7%. By blending the refractory, melting of the coat is retarded in the early stage of calcination of the coat, and the presence of microcracks formed by film shrinkage before calcination accelerates degassing of the coat to reduce formation of air bubbles.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53129919A JPS5827214B2 (en) | 1978-10-21 | 1978-10-21 | Clay-free enamel glaze |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53129919A JPS5827214B2 (en) | 1978-10-21 | 1978-10-21 | Clay-free enamel glaze |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5556034A true JPS5556034A (en) | 1980-04-24 |
| JPS5827214B2 JPS5827214B2 (en) | 1983-06-08 |
Family
ID=15021636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53129919A Expired JPS5827214B2 (en) | 1978-10-21 | 1978-10-21 | Clay-free enamel glaze |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5827214B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912978A (en) * | 1982-06-30 | 1984-01-23 | デグツサ・アクチエンゲゼルシヤフト | Vehicle for carrying out precise screen print and relief-like decoration on ceramic and other article |
| JPH0474732A (en) * | 1990-07-09 | 1992-03-10 | Ngk Insulators Ltd | Enamel glaze and enamel product having stone-grain produced by using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52127913A (en) * | 1976-04-20 | 1977-10-27 | Matsushita Electric Ind Co Ltd | Product coated with an layer of selffcleaning type |
-
1978
- 1978-10-21 JP JP53129919A patent/JPS5827214B2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52127913A (en) * | 1976-04-20 | 1977-10-27 | Matsushita Electric Ind Co Ltd | Product coated with an layer of selffcleaning type |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912978A (en) * | 1982-06-30 | 1984-01-23 | デグツサ・アクチエンゲゼルシヤフト | Vehicle for carrying out precise screen print and relief-like decoration on ceramic and other article |
| JPH0152331B2 (en) * | 1982-06-30 | 1989-11-08 | Degussa | |
| JPH0474732A (en) * | 1990-07-09 | 1992-03-10 | Ngk Insulators Ltd | Enamel glaze and enamel product having stone-grain produced by using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5827214B2 (en) | 1983-06-08 |
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