FR654088A - Improvements to the support of mine galleries - Google Patents
Improvements to the support of mine galleriesInfo
- Publication number
- FR654088A FR654088A FR654088DA FR654088A FR 654088 A FR654088 A FR 654088A FR 654088D A FR654088D A FR 654088DA FR 654088 A FR654088 A FR 654088A
- Authority
- FR
- France
- Prior art keywords
- support
- mine galleries
- galleries
- 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
- E21D17/00—Caps for supporting mine roofs
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Rod-Shaped Construction Members (AREA)
- Catching Or Destruction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12712/27A GB293520A (en) | 1927-05-12 | 1927-05-12 | Improvements in devices for shoring or supporting the roofs of mines |
Publications (1)
Publication Number | Publication Date |
---|---|
FR654088A true FR654088A (en) | 1929-04-02 |
Family
ID=40019344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR654088D Expired FR654088A (en) | 1927-05-12 | 1928-05-11 | Improvements to the support of mine galleries |
Country Status (5)
Country | Link |
---|---|
US (1) | US1851496A (en) |
BE (1) | BE351241A (en) |
DE (1) | DE504677C (en) |
FR (1) | FR654088A (en) |
GB (1) | GB293520A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE760324C (en) * | 1941-07-19 | 1953-01-26 | Franz Berghoff | Method of excavating struts underground using ropes carried by rammers |
DE1085836B (en) * | 1955-04-14 | 1960-07-28 | Aug Kloenne Fa | Cap for expansion underground |
DE1104471B (en) * | 1956-11-05 | 1961-04-13 | Dipl Berging Oskar Eckert | Rope anchor |
-
1927
- 1927-05-12 GB GB12712/27A patent/GB293520A/en not_active Expired
-
1928
- 1928-04-09 US US268534A patent/US1851496A/en not_active Expired - Lifetime
- 1928-05-11 BE BE351241A patent/BE351241A/en unknown
- 1928-05-11 FR FR654088D patent/FR654088A/en not_active Expired
- 1928-05-11 DE DEC41465D patent/DE504677C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE351241A (en) | 1928-06-30 |
GB293520A (en) | 1928-07-12 |
US1851496A (en) | 1932-03-29 |
DE504677C (en) | 1930-08-14 |
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