JPS57174827A - Manufacture of circular fluorescent lamp - Google Patents

Manufacture of circular fluorescent lamp

Info

Publication number
JPS57174827A
JPS57174827A JP5992881A JP5992881A JPS57174827A JP S57174827 A JPS57174827 A JP S57174827A JP 5992881 A JP5992881 A JP 5992881A JP 5992881 A JP5992881 A JP 5992881A JP S57174827 A JPS57174827 A JP S57174827A
Authority
JP
Japan
Prior art keywords
bulb
linear
manufacture
bending
circle
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.)
Pending
Application number
JP5992881A
Other languages
English (en)
Inventor
Yoichi Ikeuchi
Toshiteru Tomita
Akira Maeda
Naomichi Kumagai
Tsutomu Maeda
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.)
NIPPON DENKI SYLVANIA KK
NEC Home Electronics Ltd
Original Assignee
NIPPON DENKI SYLVANIA KK
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 NIPPON DENKI SYLVANIA KK, NEC Home Electronics Ltd filed Critical NIPPON DENKI SYLVANIA KK
Priority to JP5992881A priority Critical patent/JPS57174827A/ja
Publication of JPS57174827A publication Critical patent/JPS57174827A/ja
Pending 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)
JP5992881A 1981-04-20 1981-04-20 Manufacture of circular fluorescent lamp Pending JPS57174827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5992881A JPS57174827A (en) 1981-04-20 1981-04-20 Manufacture of circular fluorescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5992881A JPS57174827A (en) 1981-04-20 1981-04-20 Manufacture of circular fluorescent lamp

Publications (1)

Publication Number Publication Date
JPS57174827A true JPS57174827A (en) 1982-10-27

Family

ID=13127271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5992881A Pending JPS57174827A (en) 1981-04-20 1981-04-20 Manufacture of circular fluorescent lamp

Country Status (1)

Country Link
JP (1) JPS57174827A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5960942A (ja) * 1982-09-30 1984-04-07 Toshiba Corp 環形けい光ランプの製造装置
US10344807B2 (en) 2016-02-16 2019-07-09 Hoerbiger Antriebstechnik Holding Gmbh Synchronizer device and synchronization method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52118865A (en) * 1976-03-30 1977-10-05 Nec Home Electronics Ltd Process for manufacturing circle discharge lamp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52118865A (en) * 1976-03-30 1977-10-05 Nec Home Electronics Ltd Process for manufacturing circle discharge lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5960942A (ja) * 1982-09-30 1984-04-07 Toshiba Corp 環形けい光ランプの製造装置
US10344807B2 (en) 2016-02-16 2019-07-09 Hoerbiger Antriebstechnik Holding Gmbh Synchronizer device and synchronization method

Similar Documents

Publication Publication Date Title
ATE34730T1 (de) Anlage zum herstellen von stark gekruemmten glasscheiben.
FR2294989A1 (fr) Procede et four de fusion de verre par chauffage au charbon
FR2612607B1 (fr) Bougie a incandescence pour appareils de chauffage, refroidie par de l'air comburant
ES405042A1 (es) Perfeccionamientos introducidos en hornos para calentar pa-risons.
JPS57174827A (en) Manufacture of circular fluorescent lamp
FI844134L (fi) Anordning foer bockning av glasskivor.
DE59010463D1 (de) Temperatur-Schaltgerät
JPS52118865A (en) Process for manufacturing circle discharge lamp
JPS52119949A (en) Method of reducing variations in wire diameter of optical fibers
JPS57202623A (en) Manufacture of circular fluorescent lamp
JPS646343A (en) Manufacture of fluorescent lamp
JPS5436951A (en) Heat treatment method of glass rod
CN208779263U (zh) 采用导光柱的led烤箱灯
ES439723A1 (es) Perfeccionamiento en el transporte de hojas de vidrio a tem-peratura elevada.
JPS53125855A (en) Optical fiber drawing furnace
JPS53110275A (en) Incandescent light bulb
JPS5396541A (en) High-frequency heater
JPS5277486A (en) Heating method for exhaust of fluorescent light
JPS5721049A (en) Manufacturing method of circular fluorescent lamp
JPS57100924A (en) Partial heating apparatus of plate glass
JPS53110276A (en) Incandescent light bulb
JPS5258549A (en) Production of optical fiber
JPS54134724A (en) Heating furnace for circular fluorescent lamp
JPS5215182A (en) Power-saving fluorescent lighting tube
JPS5437757A (en) Thermistor device for temperature controlling of contact heating type roller fixing device