DE161729C - - Google Patents
Info
- Publication number
- DE161729C DE161729C DENDAT161729D DE161729DA DE161729C DE 161729 C DE161729 C DE 161729C DE NDAT161729 D DENDAT161729 D DE NDAT161729D DE 161729D A DE161729D A DE 161729DA DE 161729 C DE161729 C DE 161729C
- Authority
- DE
- Germany
- Prior art keywords
- tube
- rail
- mercury
- metal shell
- upper edge
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 8
- 229910052753 mercury Inorganic materials 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/02—Electric devices associated with track, e.g. rail contacts
- B61L1/04—Electric devices associated with track, e.g. rail contacts mechanically actuated by a part of the vehicle
- B61L1/045—Electric devices associated with track, e.g. rail contacts mechanically actuated by a part of the vehicle actuated by fluid-pressure
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE161729C true DE161729C (pt) |
Family
ID=427578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT161729D Active DE161729C (pt) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE161729C (pt) |
-
0
- DE DENDAT161729D patent/DE161729C/de active Active
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