GB1452472A - Low pressure sodium discharge lamps - Google Patents

Low pressure sodium discharge lamps

Info

Publication number
GB1452472A
GB1452472A GB2229575A GB2229575A GB1452472A GB 1452472 A GB1452472 A GB 1452472A GB 2229575 A GB2229575 A GB 2229575A GB 2229575 A GB2229575 A GB 2229575A GB 1452472 A GB1452472 A GB 1452472A
Authority
GB
United Kingdom
Prior art keywords
discharge lamps
low pressure
pressure sodium
sodium discharge
sodium
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
GB2229575A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2229575A priority Critical patent/GB1452472A/en
Publication of GB1452472A publication Critical patent/GB1452472A/en
Expired legal-status Critical Current

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
    • H01J61/56—One or more circuit elements structurally associated with the lamp

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)

Abstract

1452472 Vapour discharge lamps J CATES 22 May 1975 22295/75 Heading H1D A low-pressure, double envelope sodium discharge lamp has at least one of the lead-in wires has a portion made of an electrically fusible material which is either titanium or an alloy of 47% Ni, 46% Fe, 5% Cr, remainder Cu, Si, Mn. The portion can be in an end cap or within the outer envelope and is typically 0À18 mm in diameter. The filling can be sodium, neon and argon.
GB2229575A 1975-05-22 1975-05-22 Low pressure sodium discharge lamps Expired GB1452472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2229575A GB1452472A (en) 1975-05-22 1975-05-22 Low pressure sodium discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2229575A GB1452472A (en) 1975-05-22 1975-05-22 Low pressure sodium discharge lamps

Publications (1)

Publication Number Publication Date
GB1452472A true GB1452472A (en) 1976-10-13

Family

ID=10177068

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2229575A Expired GB1452472A (en) 1975-05-22 1975-05-22 Low pressure sodium discharge lamps

Country Status (1)

Country Link
GB (1) GB1452472A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee