FR1006677A - étai - Google Patents
étaiInfo
- Publication number
- FR1006677A FR1006677A FR1006677DA FR1006677A FR 1006677 A FR1006677 A FR 1006677A FR 1006677D A FR1006677D A FR 1006677DA FR 1006677 A FR1006677 A FR 1006677A
- Authority
- FR
- France
- Prior art keywords
- prop
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
- E21D15/581—Devices for setting props or chocks in which the props are pre- loaded
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/02—Non-telescopic props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1006677T | 1948-02-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1006677A true FR1006677A (fr) | 1952-04-25 |
Family
ID=9565981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1006677D Expired FR1006677A (fr) | 1948-02-10 | 1948-02-10 | étai |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1006677A (fr) |
-
1948
- 1948-02-10 FR FR1006677D patent/FR1006677A/fr not_active Expired
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