JPS5671242A - Manufacture of bulb - Google Patents

Manufacture of bulb

Info

Publication number
JPS5671242A
JPS5671242A JP14791779A JP14791779A JPS5671242A JP S5671242 A JPS5671242 A JP S5671242A JP 14791779 A JP14791779 A JP 14791779A JP 14791779 A JP14791779 A JP 14791779A JP S5671242 A JPS5671242 A JP S5671242A
Authority
JP
Japan
Prior art keywords
cleaning liquid
bulb
metal film
nozzle
inner face
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
JP14791779A
Other languages
Japanese (ja)
Other versions
JPS6250938B2 (en
Inventor
Takashi Ito
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 JP14791779A priority Critical patent/JPS5671242A/en
Publication of JPS5671242A publication Critical patent/JPS5671242A/en
Publication of JPS6250938B2 publication Critical patent/JPS6250938B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE:To prevent the damage at nondissolved portion of metal film reliably, by forming a film of cleaning liquid on a metal film formed on the inner face of a bulb when being dissolved in a dissolution liquid. CONSTITUTION:A cleaning liquid injection pipe 9 of double structure comprising of an inner pipe 10 and an outer pipe 11 while fixed with a nozzle 12 at the tip is inserted into a bulb 1. A cock 15 connected to the outside pipe 11 is opened to inject the cleaning liquid in spiral as shown on the arrow 16 through a slit 14 of the nozzle 12 to adhere the cleaning liquid on a metal film 2 thus to form a film of cleaning liquid, then the cleaning liquid is injected through a hole 13 of the nozzle 12 and impinged against the top inner face of the bulb 1 where the cleaning liquid flows down along the inner face of the bulb to clean out the dissolved liquid slightly adhered at the portion from the top to the large diameter section. Consequently the damage at nondissolved portion of metal film can be prevented reliably.
JP14791779A 1979-11-14 1979-11-14 Manufacture of bulb Granted JPS5671242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14791779A JPS5671242A (en) 1979-11-14 1979-11-14 Manufacture of bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14791779A JPS5671242A (en) 1979-11-14 1979-11-14 Manufacture of bulb

Publications (2)

Publication Number Publication Date
JPS5671242A true JPS5671242A (en) 1981-06-13
JPS6250938B2 JPS6250938B2 (en) 1987-10-27

Family

ID=15441011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14791779A Granted JPS5671242A (en) 1979-11-14 1979-11-14 Manufacture of bulb

Country Status (1)

Country Link
JP (1) JPS5671242A (en)

Also Published As

Publication number Publication date
JPS6250938B2 (en) 1987-10-27

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