FR883728A - Crocodile à fils élastiques - Google Patents
Crocodile à fils élastiquesInfo
- Publication number
- FR883728A FR883728A FR883728DA FR883728A FR 883728 A FR883728 A FR 883728A FR 883728D A FR883728D A FR 883728DA FR 883728 A FR883728 A FR 883728A
- Authority
- FR
- France
- Prior art keywords
- crocodile
- elastic thread
- thread
- elastic
- thread crocodile
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/10—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using current passing between devices along the route and devices on the vehicle train
- B61L3/103—Details of current transmitting conductors or contact brushes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR883728T | 1942-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR883728A true FR883728A (fr) | 1943-07-13 |
Family
ID=9374618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR883728D Expired FR883728A (fr) | 1942-07-01 | 1942-07-01 | Crocodile à fils élastiques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR883728A (fr) |
-
1942
- 1942-07-01 FR FR883728D patent/FR883728A/fr not_active Expired
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