DE150720C - - Google Patents
Info
- Publication number
- DE150720C DE150720C DENDAT150720D DE150720DA DE150720C DE 150720 C DE150720 C DE 150720C DE NDAT150720 D DENDAT150720 D DE NDAT150720D DE 150720D A DE150720D A DE 150720DA DE 150720 C DE150720 C DE 150720C
- Authority
- DE
- Germany
- Prior art keywords
- mica
- plates
- plate
- fold
- folds
- 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.)
- Active
Links
- 239000010445 mica Substances 0.000 claims description 20
- 229910052618 mica group Inorganic materials 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 241001251094 Formica Species 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V37/00—Details of lighting devices employing combustion as light source, not otherwise provided for
- F21V37/0004—Details of lighting devices employing combustion as light source, not otherwise provided for using liquid fuel
- F21V37/0058—Reflectors, cover glasses, chimneys; Smoke-removing devices; Preheaters
- F21V37/0066—Chimneys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compositions Of Oxide Ceramics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE150720C true DE150720C (OSRAM) |
Family
ID=417604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT150720D Active DE150720C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE150720C (OSRAM) |
-
0
- DE DENDAT150720D patent/DE150720C/de active Active
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