JPS6446952U - - Google Patents

Info

Publication number
JPS6446952U
JPS6446952U JP14159487U JP14159487U JPS6446952U JP S6446952 U JPS6446952 U JP S6446952U JP 14159487 U JP14159487 U JP 14159487U JP 14159487 U JP14159487 U JP 14159487U JP S6446952 U JPS6446952 U JP S6446952U
Authority
JP
Japan
Prior art keywords
light
emitting part
reduced diameter
filament
light bulb
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.)
Granted
Application number
JP14159487U
Other languages
English (en)
Other versions
JPH0430767Y2 (ja
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 JP1987141594U priority Critical patent/JPH0430767Y2/ja
Publication of JPS6446952U publication Critical patent/JPS6446952U/ja
Application granted granted Critical
Publication of JPH0430767Y2 publication Critical patent/JPH0430767Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Resistance Heating (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る白熱電球の一例を示す説
明用断面図、第2図は封体形成用のガラス管の一
例を示す説明用断面図、第3図は本考案に係る白
熱電球の要部を示す説明用断面図、第4図は光量
の測定結果を示す説明図である。 10……ガラス製封体、11……封止部、12
……縮径部、12A……縮径部の屈曲開始位置、
15……ガラス管、16……端部側縮径部、20
……フイラメント、21……発光部、21A……
発光部の端部、22……非発光部、30……リー
ド棒、P……管軸。

Claims (1)

  1. 【実用新案登録請求の範囲】 発光部と非発光部とが交互に配置されてなるフ
    イラメントがガラス製封体の管軸に沿つて配置さ
    れ、当該非発光部が、ガラス製封体の管壁を内方
    に屈曲するよう変形させて形成された縮径部によ
    り保持されてなる構造の白熱電球において、 フイラメントの発光部の端部が、隣接する非発
    光部を保持する縮径部の屈曲開始位置から管軸方
    向において当該縮径部とは反対側に位置されたこ
    とを特徴とする白熱電球。
JP1987141594U 1987-09-18 1987-09-18 Expired JPH0430767Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987141594U JPH0430767Y2 (ja) 1987-09-18 1987-09-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987141594U JPH0430767Y2 (ja) 1987-09-18 1987-09-18

Publications (2)

Publication Number Publication Date
JPS6446952U true JPS6446952U (ja) 1989-03-23
JPH0430767Y2 JPH0430767Y2 (ja) 1992-07-24

Family

ID=31406796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987141594U Expired JPH0430767Y2 (ja) 1987-09-18 1987-09-18

Country Status (1)

Country Link
JP (1) JPH0430767Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02148554U (ja) * 1989-05-19 1990-12-18
JPH0322355U (ja) * 1989-07-17 1991-03-07

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836278A (ja) * 1971-09-11 1973-05-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836278A (ja) * 1971-09-11 1973-05-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02148554U (ja) * 1989-05-19 1990-12-18
JPH0322355U (ja) * 1989-07-17 1991-03-07

Also Published As

Publication number Publication date
JPH0430767Y2 (ja) 1992-07-24

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