FR1064553A - Improvements made to the elastic connections between the profiles of mine props - Google Patents
Improvements made to the elastic connections between the profiles of mine propsInfo
- Publication number
- FR1064553A FR1064553A FR1064553DA FR1064553A FR 1064553 A FR1064553 A FR 1064553A FR 1064553D A FR1064553D A FR 1064553DA FR 1064553 A FR1064553 A FR 1064553A
- Authority
- FR
- France
- Prior art keywords
- profiles
- improvements made
- elastic connections
- mine props
- props
- 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
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
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 |
---|---|---|---|
DE1064553X | 1951-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1064553A true FR1064553A (en) | 1954-05-14 |
Family
ID=7718946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1064553D Expired FR1064553A (en) | 1951-11-17 | 1952-10-20 | Improvements made to the elastic connections between the profiles of mine props |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1064553A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2393140A1 (en) * | 1977-06-02 | 1978-12-29 | Hoesch Werke Ag | MULTI-PIECE CLAMP |
FR2441718A1 (en) * | 1978-11-20 | 1980-06-13 | Hoesch Werke Ag | SLIDE FOR A CLAMP JUNCTION IN A COMPRESSIBLE GALLERY SUPPORT |
-
1952
- 1952-10-20 FR FR1064553D patent/FR1064553A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2393140A1 (en) * | 1977-06-02 | 1978-12-29 | Hoesch Werke Ag | MULTI-PIECE CLAMP |
FR2441718A1 (en) * | 1978-11-20 | 1980-06-13 | Hoesch Werke Ag | SLIDE FOR A CLAMP JUNCTION IN A COMPRESSIBLE GALLERY SUPPORT |
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