NL252546A - - Google Patents

Info

Publication number
NL252546A
NL252546A NL252546DA NL252546A NL 252546 A NL252546 A NL 252546A NL 252546D A NL252546D A NL 252546DA NL 252546 A NL252546 A NL 252546A
Authority
NL
Netherlands
Application number
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.)
Publication of NL252546A publication Critical patent/NL252546A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • 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)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Discharge Lamp (AREA)
NL252546D 1959-06-12 NL252546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP22962A DE1104060B (en) 1959-06-12 1959-06-12 Electric low-pressure mercury discharge lamps, in particular fluorescent lamps

Publications (1)

Publication Number Publication Date
NL252546A true NL252546A (en)

Family

ID=7368968

Family Applications (1)

Application Number Title Priority Date Filing Date
NL252546D NL252546A (en) 1959-06-12

Country Status (5)

Country Link
US (1) US3152278A (en)
BE (1) BE591757R (en)
DE (1) DE1104060B (en)
GB (1) GB962807A (en)
NL (1) NL252546A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL238534A (en) *
DE1265300B (en) * 1961-07-24 1968-04-04 Ulrich W Doering Method for applying an amalgam body in a tubular fluorescent lamp filled with noble gas and an addition of mercury vapor
US3392298A (en) * 1962-08-31 1968-07-09 Sylvania Electric Prod Fluorescent lamp using an indiummercury amalgam band for pressure control
US3227907A (en) * 1962-12-31 1966-01-04 Sylvania Electric Prod Electric discharge lamp with integral pressure regulator
US3339100A (en) * 1963-11-27 1967-08-29 Sylvania Electric Prod Fluorescent electric discharge lamp having the phosphor particles admixed with indium powder particles
DE1196292B (en) * 1963-12-30 1965-07-08 Patra Patent Treuhand Mercury low-pressure discharge lamp with increased electrical and / or thermal load capacity, in particular fluorescent lamp
BE656992A (en) * 1963-12-30 1965-04-01
US3336502A (en) * 1963-12-31 1967-08-15 Sylvania Electric Prod Automatic heater control system for amalgam pressure control of fluorescent lamps
US3619697A (en) * 1964-07-09 1971-11-09 Westinghouse Electric Corp Mercury vapor discharge lamp and pressure-regulating means therefor
US3526804A (en) * 1967-10-27 1970-09-01 Westinghouse Electric Corp Fluorescent lamp or similar device containing an amalgam of tin-indium-mercury which controls the mercury vapor pressure during operation
US3504215A (en) * 1967-11-30 1970-03-31 Westinghouse Electric Corp Planar fluorescent lamp with integral amalgam type mercury-vapor pressure control component
SU308671A1 (en) * 1970-05-25 1973-10-26 Ю. И. Шиндельмап , Г. И. Акулова
US3898720A (en) * 1972-09-28 1975-08-12 Westinghouse Electric Corp Method of providing a fluorescent lamp stem with an integral mercury-vapor pressure regulating means
NL159226B (en) * 1973-03-16 1979-01-15 Philips Nv PROCESS FOR THE MANUFACTURE OF A MERCURY VAPOR DISCHARGE LAMP.
DE2330391A1 (en) * 1973-06-14 1975-01-09 Patra Patent Treuhand LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP WITH AMALGAM
NL168367C (en) * 1975-06-20 1982-03-16 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP AND METHOD FOR THE PRODUCTION THEREOF.
DE3172957D1 (en) * 1981-04-10 1986-01-02 Toshiba Kk A method of manufacturing a fluorescent lamp and a fluorescent lamp obtained by this method
EP0136866B1 (en) * 1983-09-30 1991-12-27 Kabushiki Kaisha Toshiba Method of manufacturing a low-melting point alloy for sealing in a fluorescent lamp
US5187804A (en) * 1989-05-15 1993-02-16 Gte Products Corporation Method of controlling the mercury vapor pressure in a photo-chemical lamp or vapor filter used for Hg196 enrichment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT124029B (en) * 1929-09-27 1931-08-10 Philips Nv Electric discharge tube for emitting rays.
US1971945A (en) * 1931-01-26 1934-08-28 Gen Electric Vapor Lamp Co Gaseous electric discharge device
US2476681A (en) * 1942-07-22 1949-07-19 Gen Electric Fluorescent material and electric discharge device
US2450197A (en) * 1945-12-29 1948-09-28 Sylvania Electric Prod Electric discharge device
US2491854A (en) * 1946-04-06 1949-12-20 Gen Electric Starting strip for electric discharge devices
US2449637A (en) * 1946-09-06 1948-09-21 Gen Electric Method and apparatus for manufacturing fluorescent lamps
GB791436A (en) * 1954-12-13 1958-03-05 Cinema Television Ltd Improvements in or relating to the manufacture of internally coated envelopes for electron discharge devices
US3007071A (en) * 1958-04-29 1961-10-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Low-pressure mercury vapor discharge lamp

Also Published As

Publication number Publication date
US3152278A (en) 1964-10-06
BE591757R (en) 1960-10-03
DE1104060B (en) 1961-04-06
GB962807A (en) 1964-07-01

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