JPS54112582A - Bulb - Google Patents
BulbInfo
- Publication number
- JPS54112582A JPS54112582A JP1896578A JP1896578A JPS54112582A JP S54112582 A JPS54112582 A JP S54112582A JP 1896578 A JP1896578 A JP 1896578A JP 1896578 A JP1896578 A JP 1896578A JP S54112582 A JPS54112582 A JP S54112582A
- Authority
- JP
- Japan
- Prior art keywords
- particle size
- mean particle
- powder
- per unit
- water content
- 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
Abstract
PURPOSE: To provide a strongly adhesive scattering coating of uniform membrane distribution and beautiful surface by specifying the product of the mean particle size of mixture powder containing anhydrous silica and alumina fine powder as main components and coating amount per unit area.
CONSTITUTION: The product of mean particle size (mμ) of mixture powder containing anhydrous silica and alumina fine powder as main components and coating amount per unit area (mg/cm2) is set to 5 to 20. A bulb is completed by mixing, for example, alumina fine powder of 400g containing 3 by weight % of water content in mean particle size of 20mμ, anhydrous silica powder of 500g containing 0.5 by weight % of water content in means particle size of 20mμ, and titanium oxide of 100g containing 0.5 by weight % of water content in mean particle size of 100mμ, and electrostatically coating it on the inner surface of a glass bulb. The mean particle size of the mixed powder is 30mμ at that time, and coating amount per unit area is 0.4 mg/cm2 with the product set to 12.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1896578A JPS588551B2 (en) | 1978-02-20 | 1978-02-20 | light bulb |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1896578A JPS588551B2 (en) | 1978-02-20 | 1978-02-20 | light bulb |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54112582A true JPS54112582A (en) | 1979-09-03 |
JPS588551B2 JPS588551B2 (en) | 1983-02-16 |
Family
ID=11986357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1896578A Expired JPS588551B2 (en) | 1978-02-20 | 1978-02-20 | light bulb |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS588551B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59169054A (en) * | 1983-03-17 | 1984-09-22 | 東芝ライテック株式会社 | Bulb |
-
1978
- 1978-02-20 JP JP1896578A patent/JPS588551B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59169054A (en) * | 1983-03-17 | 1984-09-22 | 東芝ライテック株式会社 | Bulb |
JPH0522336B2 (en) * | 1983-03-17 | 1993-03-29 | Toshiba Lighting & Technology |
Also Published As
Publication number | Publication date |
---|---|
JPS588551B2 (en) | 1983-02-16 |
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