FR1122799A - Soutènement souple pour mine - Google Patents
Soutènement souple pour mineInfo
- Publication number
- FR1122799A FR1122799A FR1122799DA FR1122799A FR 1122799 A FR1122799 A FR 1122799A FR 1122799D A FR1122799D A FR 1122799DA FR 1122799 A FR1122799 A FR 1122799A
- Authority
- FR
- France
- Prior art keywords
- mine
- flexible support
- flexible
- support
- 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
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
-
- 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
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure
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 |
---|---|---|---|
FR1122799T | 1955-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1122799A true FR1122799A (fr) | 1956-09-12 |
Family
ID=9632837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1122799D Expired FR1122799A (fr) | 1955-04-19 | 1955-04-19 | Soutènement souple pour mine |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1122799A (fr) |
-
1955
- 1955-04-19 FR FR1122799D patent/FR1122799A/fr not_active Expired
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