JPS6349851B2 - - Google Patents

Info

Publication number
JPS6349851B2
JPS6349851B2 JP56090033A JP9003381A JPS6349851B2 JP S6349851 B2 JPS6349851 B2 JP S6349851B2 JP 56090033 A JP56090033 A JP 56090033A JP 9003381 A JP9003381 A JP 9003381A JP S6349851 B2 JPS6349851 B2 JP S6349851B2
Authority
JP
Japan
Prior art keywords
valve
groove
bulb
bent
wall surface
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.)
Expired
Application number
JP56090033A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5812237A (ja
Inventor
Yoichi Ikeuchi
Toshiteru Tomita
Tsutomu Maeda
Akira Maeda
Naomichi Kumagai
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.)
NEC Home Electronics Ltd
Original Assignee
NEC Home Electronics 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 NEC Home Electronics Ltd filed Critical NEC Home Electronics Ltd
Priority to JP9003381A priority Critical patent/JPS5812237A/ja
Publication of JPS5812237A publication Critical patent/JPS5812237A/ja
Publication of JPS6349851B2 publication Critical patent/JPS6349851B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/06—Re-forming tubes or rods by bending
    • C03B23/065—Re-forming tubes or rods by bending in only one plane, e.g. for making circular neon tubes
    • 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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
    • H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
JP9003381A 1981-06-11 1981-06-11 環形螢光ランプの製造方法 Granted JPS5812237A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9003381A JPS5812237A (ja) 1981-06-11 1981-06-11 環形螢光ランプの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9003381A JPS5812237A (ja) 1981-06-11 1981-06-11 環形螢光ランプの製造方法

Publications (2)

Publication Number Publication Date
JPS5812237A JPS5812237A (ja) 1983-01-24
JPS6349851B2 true JPS6349851B2 (enExample) 1988-10-06

Family

ID=13987345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9003381A Granted JPS5812237A (ja) 1981-06-11 1981-06-11 環形螢光ランプの製造方法

Country Status (1)

Country Link
JP (1) JPS5812237A (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5353880U (enExample) * 1976-10-09 1978-05-09

Also Published As

Publication number Publication date
JPS5812237A (ja) 1983-01-24

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