NL8702516A - Gloeilamp met dubbel gespiraliseerde gloeidraad. - Google Patents
Gloeilamp met dubbel gespiraliseerde gloeidraad. Download PDFInfo
- Publication number
- NL8702516A NL8702516A NL8702516A NL8702516A NL8702516A NL 8702516 A NL8702516 A NL 8702516A NL 8702516 A NL8702516 A NL 8702516A NL 8702516 A NL8702516 A NL 8702516A NL 8702516 A NL8702516 A NL 8702516A
- Authority
- NL
- Netherlands
- Prior art keywords
- filament
- segments
- segment
- light source
- double coiled
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 13
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 10
- 229910052721 tungsten Inorganic materials 0.000 claims description 9
- 239000010937 tungsten Substances 0.000 claims description 9
- 150000002366 halogen compounds Chemical class 0.000 claims description 3
- 229940125898 compound 5 Drugs 0.000 claims 1
- 238000005530 etching Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 210000003739 neck Anatomy 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241001116759 Koeberlinia Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Landscapes
- Resistance Heating (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94491886A | 1986-12-22 | 1986-12-22 | |
| US94491886 | 1986-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8702516A true NL8702516A (nl) | 1988-07-18 |
Family
ID=25482287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8702516A NL8702516A (nl) | 1986-12-22 | 1987-10-21 | Gloeilamp met dubbel gespiraliseerde gloeidraad. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS63174263A (de) |
| DE (1) | DE3738057A1 (de) |
| FR (1) | FR2608838A1 (de) |
| HU (1) | HUT46470A (de) |
| IT (1) | IT1225485B (de) |
| NL (1) | NL8702516A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5019743A (en) * | 1989-11-17 | 1991-05-28 | General Electric Company | Mount structure for double ended lamp |
| CA2108748A1 (en) * | 1992-10-23 | 1994-04-24 | Robert M. Griffin | Self-supporting/self-centering filament |
| CN108050399A (zh) * | 2017-12-06 | 2018-05-18 | 广明源光科技股份有限公司 | 一种灯丝灯结构 |
| CN209026537U (zh) * | 2018-11-30 | 2019-06-25 | 广明源光科技股份有限公司 | Led灯芯及led灯丝灯 |
| CN109899692B (zh) * | 2019-04-15 | 2020-08-25 | 广东格派制造有限公司 | 免焊接led灯丝球泡灯 |
-
1987
- 1987-10-21 NL NL8702516A patent/NL8702516A/nl not_active Application Discontinuation
- 1987-11-09 DE DE19873738057 patent/DE3738057A1/de not_active Withdrawn
- 1987-11-25 JP JP62295440A patent/JPS63174263A/ja active Pending
- 1987-11-26 FR FR8716402A patent/FR2608838A1/fr not_active Withdrawn
- 1987-11-27 IT IT8722784A patent/IT1225485B/it active
- 1987-11-30 HU HU875375A patent/HUT46470A/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3738057A1 (de) | 1988-06-30 |
| IT8722784A0 (it) | 1987-11-27 |
| HUT46470A (en) | 1988-10-28 |
| FR2608838A1 (fr) | 1988-06-24 |
| JPS63174263A (ja) | 1988-07-18 |
| IT1225485B (it) | 1990-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |