JPS5696441A - Tubular bulb having double protective film and its manufacture - Google Patents

Tubular bulb having double protective film and its manufacture

Info

Publication number
JPS5696441A
JPS5696441A JP17344479A JP17344479A JPS5696441A JP S5696441 A JPS5696441 A JP S5696441A JP 17344479 A JP17344479 A JP 17344479A JP 17344479 A JP17344479 A JP 17344479A JP S5696441 A JPS5696441 A JP S5696441A
Authority
JP
Japan
Prior art keywords
silicone
tubular bulb
film
manufacture
protective film
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
JP17344479A
Other languages
Japanese (ja)
Other versions
JPS6237505B2 (en
Inventor
Chiyuki Shimizu
Kunio Ito
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.)
Momentive Performance Materials Japan LLC
Original Assignee
Toshiba Silicone Co Ltd
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 Toshiba Silicone Co Ltd filed Critical Toshiba Silicone Co Ltd
Priority to JP17344479A priority Critical patent/JPS5696441A/en
Publication of JPS5696441A publication Critical patent/JPS5696441A/en
Publication of JPS6237505B2 publication Critical patent/JPS6237505B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof

Landscapes

  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE:To obtain a glass tubular bulb which is hardly broken and whose fragments are not scattered when it is broken, by providing both a silicone elastic-body film and a silicone-resin film having a peculiar composition over the outer surface of the glass tubular bulb. CONSTITUTION:The outer surface of a glass tubular bulb 1 is coated with a silicone elastic-body film 2 and a silicone-resin film 3, in that order. The mean composition of the film 3 is represented by Ra<1>SiO4-a: (R<1> is a monohydrocarbon base subjected to no substitution or substitution with either the same base or different base. A is a number of 0.85-1.55.) Here, the silicone-resin film 3 should cover the entire surface of the silicone elastic-body film 2.
JP17344479A 1979-12-28 1979-12-28 Tubular bulb having double protective film and its manufacture Granted JPS5696441A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17344479A JPS5696441A (en) 1979-12-28 1979-12-28 Tubular bulb having double protective film and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17344479A JPS5696441A (en) 1979-12-28 1979-12-28 Tubular bulb having double protective film and its manufacture

Publications (2)

Publication Number Publication Date
JPS5696441A true JPS5696441A (en) 1981-08-04
JPS6237505B2 JPS6237505B2 (en) 1987-08-12

Family

ID=15960580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17344479A Granted JPS5696441A (en) 1979-12-28 1979-12-28 Tubular bulb having double protective film and its manufacture

Country Status (1)

Country Link
JP (1) JPS5696441A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984001856A1 (en) * 1982-11-08 1984-05-10 Charles K Beck Incandescent illuminating device with antifragility coating
JPS61114457A (en) * 1984-09-26 1986-06-02 ゼネラル・エレクトリツク・カンパニイ Reduction of ultraviolet rays radiation from lamp and product manufactured thereby
US5221140A (en) * 1991-07-29 1993-06-22 Oshino Electric Lamp Works, Ltd. Miniature lamps
JPH0628985U (en) * 1992-09-08 1994-04-15 大明電話工業株式会社 light bulb
WO2019150518A1 (en) * 2018-01-31 2019-08-08 株式会社ライフエレックス Automotive light bulb, manufacturing method for automotive light bulb, and manufacturing device for automotive light bulb

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS47298U (en) * 1971-10-22 1972-06-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS47298U (en) * 1971-10-22 1972-06-26

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984001856A1 (en) * 1982-11-08 1984-05-10 Charles K Beck Incandescent illuminating device with antifragility coating
JPS61114457A (en) * 1984-09-26 1986-06-02 ゼネラル・エレクトリツク・カンパニイ Reduction of ultraviolet rays radiation from lamp and product manufactured thereby
US5221140A (en) * 1991-07-29 1993-06-22 Oshino Electric Lamp Works, Ltd. Miniature lamps
JPH0628985U (en) * 1992-09-08 1994-04-15 大明電話工業株式会社 light bulb
WO2019150518A1 (en) * 2018-01-31 2019-08-08 株式会社ライフエレックス Automotive light bulb, manufacturing method for automotive light bulb, and manufacturing device for automotive light bulb

Also Published As

Publication number Publication date
JPS6237505B2 (en) 1987-08-12

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