DE192931C - - Google Patents
Info
- Publication number
- DE192931C DE192931C DE1906192931D DE192931DA DE192931C DE 192931 C DE192931 C DE 192931C DE 1906192931 D DE1906192931 D DE 1906192931D DE 192931D A DE192931D A DE 192931DA DE 192931 C DE192931 C DE 192931C
- Authority
- DE
- Germany
- Prior art keywords
- lamp
- air supply
- pot
- ring
- locking ring
- 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 - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L23/00—Non-electric hand-lamps for miners
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT33613D AT33613B (de) | 1906-11-10 | 1907-07-25 | Grubensicherheitslampe mit unterer Luftzuführung. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE192931C true DE192931C (enrdf_load_stackoverflow) |
Family
ID=456206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1906192931D Expired - Lifetime DE192931C (enrdf_load_stackoverflow) | 1906-11-10 | 1906-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE192931C (enrdf_load_stackoverflow) |
-
1906
- 1906-11-10 DE DE1906192931D patent/DE192931C/de not_active Expired - Lifetime
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