FR877893A - Semi-tubular profile with side flanges to serve as a mine support member - Google Patents
Semi-tubular profile with side flanges to serve as a mine support memberInfo
- Publication number
- FR877893A FR877893A FR877893DA FR877893A FR 877893 A FR877893 A FR 877893A FR 877893D A FR877893D A FR 877893DA FR 877893 A FR877893 A FR 877893A
- Authority
- FR
- France
- Prior art keywords
- semi
- serve
- support member
- side flanges
- tubular profile
- 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
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/20—Special cross- sections, e.g. corrugated
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil 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 |
---|---|---|---|
DE877893X | 1940-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR877893A true FR877893A (en) | 1943-01-05 |
Family
ID=6818265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR877893D Expired FR877893A (en) | 1940-07-27 | 1941-12-02 | Semi-tubular profile with side flanges to serve as a mine support member |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR877893A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1022988B (en) * | 1955-09-30 | 1958-01-23 | Wilhelm Reppel | Multi-part expansion frame for pit expansion in ring and arch form |
DE3201896A1 (en) * | 1982-01-22 | 1983-08-11 | Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum | Clamping device |
FR2547349A1 (en) * | 1983-06-09 | 1984-12-14 | Bochumer Eisen Heintzmann | SUPPORT ARRAY WITH ELASTIC EDGE FOR MINING GALLERIES, TUNNELS OR SIMILAR CONSTRUCTIONS |
-
1941
- 1941-12-02 FR FR877893D patent/FR877893A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1022988B (en) * | 1955-09-30 | 1958-01-23 | Wilhelm Reppel | Multi-part expansion frame for pit expansion in ring and arch form |
DE3201896A1 (en) * | 1982-01-22 | 1983-08-11 | Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum | Clamping device |
FR2547349A1 (en) * | 1983-06-09 | 1984-12-14 | Bochumer Eisen Heintzmann | SUPPORT ARRAY WITH ELASTIC EDGE FOR MINING GALLERIES, TUNNELS OR SIMILAR CONSTRUCTIONS |
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