JPS61168551U - - Google Patents
Info
- Publication number
- JPS61168551U JPS61168551U JP5170285U JP5170285U JPS61168551U JP S61168551 U JPS61168551 U JP S61168551U JP 5170285 U JP5170285 U JP 5170285U JP 5170285 U JP5170285 U JP 5170285U JP S61168551 U JPS61168551 U JP S61168551U
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- wire
- mandrel
- coil
- less
- 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
Links
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
- Wire Processing (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
第１図と第２図はフイラメントの巻き方の説明
図、第３図は白熱電球の断面図である。
３……フイラメント、３１……タングステン素
線、３２……シングルコイル、４１，４２……マ
ンドレル、ｄ１……素線径、ｄ２……シングルコ
イル外径、Ｍｄ１……シングルコイル用マンドレ
ルの径、Ｍｄ２……ダブルコイル用マンドレルの
径。
1 and 2 are explanatory diagrams of how to wind a filament, and FIG. 3 is a sectional view of an incandescent light bulb. 3...Filament, 31...Tungsten wire, 32...Single coil, 41, 42...Mandrel, d1 ...Wire diameter, d2 ...Single coil outer diameter, Md1 ...Single coil mandrel Diameter, Md 2 ...Diameter of the mandrel for double coil.
Claims (1)
ルコイルに巻いてなり、素線の径をｄ１、シング
ルコイル用のマンドレルの径をＭＤ１、シングル
コイルの外径をｄ２、ダブルコイル用のマンドレ
ルの径をＭＤ２とするとき、ＭＤ１／ｄ１および
ＭＤ２／ｄ２の値がいずれも３．０以下であるこ
とを特徴とする白熱電球のフイラメント構造。 A tungsten wire with a wire diameter of 0.1 mm or less is wound into a double coil.The diameter of the wire is d 1 , the diameter of the mandrel for single coil is MD 1 , the outer diameter of the single coil is d 2 , and for double coil A filament structure for an incandescent light bulb, wherein the values of MD 1 /d 1 and MD 2 /d 2 are both 3.0 or less, where MD 2 is the diameter of the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5170285U JPS61168551U (en) | 1985-04-09 | 1985-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5170285U JPS61168551U (en) | 1985-04-09 | 1985-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61168551U true JPS61168551U (en) | 1986-10-18 |
Family
ID=30570988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5170285U Pending JPS61168551U (en) | 1985-04-09 | 1985-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61168551U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4325740Y1 (en) * | 1965-11-17 | 1968-10-28 |
-
1985
- 1985-04-09 JP JP5170285U patent/JPS61168551U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4325740Y1 (en) * | 1965-11-17 | 1968-10-28 |