JPH0453071B2 - - Google Patents
Info
- Publication number
- JPH0453071B2 JPH0453071B2 JP28386485A JP28386485A JPH0453071B2 JP H0453071 B2 JPH0453071 B2 JP H0453071B2 JP 28386485 A JP28386485 A JP 28386485A JP 28386485 A JP28386485 A JP 28386485A JP H0453071 B2 JPH0453071 B2 JP H0453071B2
- Authority
- JP
- Japan
- Prior art keywords
- filament
- tungsten wire
- mandrel
- wire
- mandrels
- 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
Links
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 238000004804 winding Methods 0.000 description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28386485A JPS62143362A (ja) | 1985-12-17 | 1985-12-17 | 偏平柱状フイラメントの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28386485A JPS62143362A (ja) | 1985-12-17 | 1985-12-17 | 偏平柱状フイラメントの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62143362A JPS62143362A (ja) | 1987-06-26 |
JPH0453071B2 true JPH0453071B2 (de) | 1992-08-25 |
Family
ID=17671161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28386485A Granted JPS62143362A (ja) | 1985-12-17 | 1985-12-17 | 偏平柱状フイラメントの製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62143362A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016134270A (ja) * | 2015-01-19 | 2016-07-25 | 株式会社ウイザップ偕揚社 | コイルフィラメント及び白熱電球 |
-
1985
- 1985-12-17 JP JP28386485A patent/JPS62143362A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62143362A (ja) | 1987-06-26 |
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