JPH0186060U - - Google Patents

Info

Publication number
JPH0186060U
JPH0186060U JP17969087U JP17969087U JPH0186060U JP H0186060 U JPH0186060 U JP H0186060U JP 17969087 U JP17969087 U JP 17969087U JP 17969087 U JP17969087 U JP 17969087U JP H0186060 U JPH0186060 U JP H0186060U
Authority
JP
Japan
Prior art keywords
electrode
electrode shaft
discharge lamp
arc tube
coil
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
JP17969087U
Other languages
English (en)
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 filed Critical
Priority to JP17969087U priority Critical patent/JPH0186060U/ja
Publication of JPH0186060U publication Critical patent/JPH0186060U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例である高圧ナトリウ
ムランプ発光管の一端部側の縦断面図、第2図は
同ランプ発光管の電極軸中間部の縦断面図、第3
図は他の実施例の発光管一端部側の縦断面図、第
4図および第5図はそれぞれ異なる従来ランプ発
光管の一端部側の縦断面図を示す。 1……発光管、2……封着剤、3……閉塞体(
金属製)、3A……閉塞体(導電性セラミクス製
)、4……金属管、4b,3a……ねじ溝、5…
…電極、6……電極軸、6a……電極軸先端部、
6b……電極軸基端側、6c……ねじ山、6d…
…電極軸中間部、7……コイル、8……平坦部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 透光性セラミスク発光管の封止部に電極軸にコ
    イルを巻装した電極を、電極軸の基端部に設けた
    ねじ部を螺合することにより、固着支持させてな
    るセラミツク放電灯において、上記電極は、コイ
    ルとねじ部との中間に位置する電極軸に少なくと
    も一対の対向する平坦部を設けたことを特徴とす
    るセラミツク放電灯。
JP17969087U 1987-11-27 1987-11-27 Pending JPH0186060U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17969087U JPH0186060U (ja) 1987-11-27 1987-11-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17969087U JPH0186060U (ja) 1987-11-27 1987-11-27

Publications (1)

Publication Number Publication Date
JPH0186060U true JPH0186060U (ja) 1989-06-07

Family

ID=31471236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17969087U Pending JPH0186060U (ja) 1987-11-27 1987-11-27

Country Status (1)

Country Link
JP (1) JPH0186060U (ja)

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