JPH0152856B2 - - Google Patents

Info

Publication number
JPH0152856B2
JPH0152856B2 JP55165644A JP16564480A JPH0152856B2 JP H0152856 B2 JPH0152856 B2 JP H0152856B2 JP 55165644 A JP55165644 A JP 55165644A JP 16564480 A JP16564480 A JP 16564480A JP H0152856 B2 JPH0152856 B2 JP H0152856B2
Authority
JP
Japan
Prior art keywords
curved
bending
forming drum
bent
shape
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
JP55165644A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5788644A (en
Inventor
Kimio Osada
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.)
Toshiba Electric Equipment Corp
Original Assignee
Toshiba Electric Equipment 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 Toshiba Electric Equipment Corp filed Critical Toshiba Electric Equipment Corp
Priority to JP16564480A priority Critical patent/JPS5788644A/ja
Publication of JPS5788644A publication Critical patent/JPS5788644A/ja
Publication of JPH0152856B2 publication Critical patent/JPH0152856B2/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
    • H01J9/24—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
JP16564480A 1980-11-25 1980-11-25 Production of bent pipe type fluorescent lamp Granted JPS5788644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16564480A JPS5788644A (en) 1980-11-25 1980-11-25 Production of bent pipe type fluorescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16564480A JPS5788644A (en) 1980-11-25 1980-11-25 Production of bent pipe type fluorescent lamp

Publications (2)

Publication Number Publication Date
JPS5788644A JPS5788644A (en) 1982-06-02
JPH0152856B2 true JPH0152856B2 (enrdf_load_stackoverflow) 1989-11-10

Family

ID=15816274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16564480A Granted JPS5788644A (en) 1980-11-25 1980-11-25 Production of bent pipe type fluorescent lamp

Country Status (1)

Country Link
JP (1) JPS5788644A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5788644A (en) 1982-06-02

Similar Documents

Publication Publication Date Title
CA2240469A1 (en) Lightweight hose with a helically-wound reinforcing member and method for making the same
US2234450A (en) Method for making tubes
US4422863A (en) Apparatus and method for bending a glass tube to a U shape
CN88101485A (zh) 小型气体放电管及其制造方法
ES8106420A1 (es) Procedimiento para fabricar tubos de escape de vehiculos au-tomoviles
JPH0152856B2 (enrdf_load_stackoverflow)
JPH1055787A (ja) ハロゲン電球の製造方法
EP0743673B1 (en) Coiled-coil filament for an incandescent lamp
US6546752B2 (en) Method of making optical coupling device
JPH0115974B2 (enrdf_load_stackoverflow)
JPS6414844A (en) Electric lamp and its manufacture
US3073137A (en) Press sealing process and apparatus
JP2601337B2 (ja) 白熱電球の製造方法
JPH10134718A (ja) 環状蛍光ランプの製造方法
JPS6132938A (ja) 電球形蛍光ランプの製造方法
JPS6037796Y2 (ja) 環状けい光ランプの製造装置
JPS6366028B2 (enrdf_load_stackoverflow)
JPH08187521A (ja) 比較的曲率の大きいｕ形ベンド管の製法
JPS5915090B2 (ja) 光通信用フアイバ母材の製造方法
JPS5975536A (ja) 曲管形けい光ランプの製造方法
JPS5533777A (en) Production of mount for fluorescent lamp tube
JPS6124340B2 (enrdf_load_stackoverflow)
JPS6226551B2 (enrdf_load_stackoverflow)
JPS59128727A (ja) 小型ガス入りランプの製造方法
JPS56151123A (en) Pipe bender