FR825109A - étançon de mine - Google Patents
étançon de mineInfo
- Publication number
- FR825109A FR825109A FR825109DA FR825109A FR 825109 A FR825109 A FR 825109A FR 825109D A FR825109D A FR 825109DA FR 825109 A FR825109 A FR 825109A
- Authority
- FR
- France
- Prior art keywords
- mine prop
- prop
- mine
- 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 |
|---|---|---|---|
| DE825109X | 1936-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR825109A true FR825109A (fr) | 1938-02-24 |
Family
ID=6747447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR825109D Expired FR825109A (fr) | 1936-08-03 | 1937-08-02 | étançon de mine |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR825109A (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE741147C (de) * | 1939-01-29 | 1943-11-05 | Karl Leh | Eiserner Balken fuer Wanderpfeiler |
| DE767190C (de) * | 1938-12-13 | 1952-03-31 | Westdeutscher Industriebedarf | Reibungseinlage fuer Grubenausbau-Klemmschloesser |
| DE976548C (de) * | 1943-09-25 | 1963-11-07 | Karl Maria Dipl-Ing Groetschel | Kappe fuer den Grubenausbau, vorzugsweise fuer den Strebausbau |
-
1937
- 1937-08-02 FR FR825109D patent/FR825109A/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767190C (de) * | 1938-12-13 | 1952-03-31 | Westdeutscher Industriebedarf | Reibungseinlage fuer Grubenausbau-Klemmschloesser |
| DE741147C (de) * | 1939-01-29 | 1943-11-05 | Karl Leh | Eiserner Balken fuer Wanderpfeiler |
| DE976548C (de) * | 1943-09-25 | 1963-11-07 | Karl Maria Dipl-Ing Groetschel | Kappe fuer den Grubenausbau, vorzugsweise fuer den Strebausbau |
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