FR899629A - iron mine prop, ring or arched - Google Patents
iron mine prop, ring or archedInfo
- Publication number
- FR899629A FR899629A FR899629DA FR899629A FR 899629 A FR899629 A FR 899629A FR 899629D A FR899629D A FR 899629DA FR 899629 A FR899629 A FR 899629A
- Authority
- FR
- France
- Prior art keywords
- arched
- ring
- iron mine
- mine prop
- prop
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 2
- 229910052742 iron Inorganic materials 0.000 title 1
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
- E21D15/50—Component parts or details of props
- E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section
-
- 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)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR899629T | 1943-08-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR899629A true FR899629A (en) | 1945-06-06 |
Family
ID=9392356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR899629D Expired FR899629A (en) | 1943-08-09 | 1943-08-09 | iron mine prop, ring or arched |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR899629A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1209083B (en) * | 1956-04-10 | 1966-01-20 | Bochumer Ges Fuer Grubenausbau | Flexible arched or ring support composed of segments for underground mining |
FR2331746A1 (en) * | 1975-11-11 | 1977-06-10 | Hoesch Werke Ag | U-PROFILE STEEL WITH FLARED LEG FOR MINING SUPPORTS |
-
1943
- 1943-08-09 FR FR899629D patent/FR899629A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1209083B (en) * | 1956-04-10 | 1966-01-20 | Bochumer Ges Fuer Grubenausbau | Flexible arched or ring support composed of segments for underground mining |
FR2331746A1 (en) * | 1975-11-11 | 1977-06-10 | Hoesch Werke Ag | U-PROFILE STEEL WITH FLARED LEG FOR MINING SUPPORTS |
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