FR1047682A - Perfectionnements aux étancons de mine - Google Patents
Perfectionnements aux étancons de mineInfo
- Publication number
- FR1047682A FR1047682A FR1047682DA FR1047682A FR 1047682 A FR1047682 A FR 1047682A FR 1047682D A FR1047682D A FR 1047682DA FR 1047682 A FR1047682 A FR 1047682A
- Authority
- FR
- France
- Prior art keywords
- stanchions
- mine
- mine stanchions
- 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
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 |
---|---|---|---|
NL1047682X | 1950-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1047682A true FR1047682A (fr) | 1953-12-16 |
Family
ID=19867793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1047682D Expired FR1047682A (fr) | 1950-03-17 | 1951-03-12 | Perfectionnements aux étancons de mine |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1047682A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1023735B (de) * | 1954-04-08 | 1958-02-06 | Gutehoffnungshuette Sterkrade | Mehrteiliger Metallgrubenstempel |
-
1951
- 1951-03-12 FR FR1047682D patent/FR1047682A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1023735B (de) * | 1954-04-08 | 1958-02-06 | Gutehoffnungshuette Sterkrade | Mehrteiliger Metallgrubenstempel |
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