JPH0469848U - - Google Patents
Info
- Publication number
- JPH0469848U JPH0469848U JP11291890U JP11291890U JPH0469848U JP H0469848 U JPH0469848 U JP H0469848U JP 11291890 U JP11291890 U JP 11291890U JP 11291890 U JP11291890 U JP 11291890U JP H0469848 U JPH0469848 U JP H0469848U
- Authority
- JP
- Japan
- Prior art keywords
- filament
- cap
- light bulb
- incandescent light
- outer tube
- 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
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
第1図は本考案の第1の実施例を示す側面図、
第2図は同上のフイラメント部を示すもので、a
は平面図、bは側面図、cはフイラメントをBA
方向に見た輝度分布図、第3図は従来の片口金白
熱電球を示す側面図、第4図は同上のフイラメン
ト部を示すもので、aは平面図、bは側面図、c
はフイラメントをBA方向に見た輝度分布図、第
5図は同上の反射板装着時の照射面における照度
分布図である。
1……片口金白熱電球、2……ランプ外管、3
……フイラメント、4……口金、5……内部導入
線、8……フイラメント支持部、8a……中空部
。
FIG. 1 is a side view showing the first embodiment of the present invention;
Figure 2 shows the same filament part as above.
is a top view, b is a side view, c is a filament BA
Fig. 3 is a side view showing a conventional single-cap incandescent light bulb; Fig. 4 shows the filament portion of the same as above; a is a plan view; b is a side view; c
5 is a luminance distribution diagram when the filament is viewed in the BA direction, and FIG. 5 is an illuminance distribution diagram on the irradiation surface when the same reflector plate as above is attached. 1... Single base incandescent light bulb, 2... Lamp outer tube, 3
... filament, 4 ... cap, 5 ... internal lead-in wire, 8 ... filament support section, 8a ... hollow section.
Claims (1)
なる片口金白熱電球において、前記ランプ外管の
内面に、絶縁物からなる中空円筒状のフイラメン
ト支持部を設け、前記フイラメントを前記フイラ
メント支持部の外面を螺旋状に巻くように配設す
ると共に、前記フイラメント支持部の中空部に、
前記口金からフイラメントの一端に接続される内
部導入線を挿通させたことを特徴とする片口金白
熱電球。 In a single-cap incandescent light bulb comprising a filament on the inner surface of the lamp outer tube, a hollow cylindrical filament support section made of an insulating material is provided on the inner surface of the lamp outer tube, and the filament is attached to the outer surface of the filament support section. is arranged in a spiral manner, and in the hollow part of the filament support part,
A single-cap incandescent light bulb, characterized in that an internal lead-in wire connected to one end of a filament is inserted through the cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11291890U JPH0469848U (en) | 1990-10-26 | 1990-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11291890U JPH0469848U (en) | 1990-10-26 | 1990-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0469848U true JPH0469848U (en) | 1992-06-19 |
Family
ID=31860450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11291890U Pending JPH0469848U (en) | 1990-10-26 | 1990-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0469848U (en) |
-
1990
- 1990-10-26 JP JP11291890U patent/JPH0469848U/ja active Pending