JPS54112582A - Bulb - Google Patents

Bulb

Info

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
Application number
JP1896578A
Other languages
Japanese (ja)
Other versions
JPS588551B2 (en
Inventor
Fukashi Hiraike
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP1896578A priority Critical patent/JPS588551B2/en
Publication of JPS54112582A publication Critical patent/JPS54112582A/en
Publication of JPS588551B2 publication Critical patent/JPS588551B2/en
Expired legal-status Critical Current

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
JP1896578A 1978-02-20 1978-02-20 light bulb Expired JPS588551B2 (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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