PL308075A1 - Coupler used in yieldable gallery roof supports - Google Patents
Coupler used in yieldable gallery roof supportsInfo
- Publication number
- PL308075A1 PL308075A1 PL30807595A PL30807595A PL308075A1 PL 308075 A1 PL308075 A1 PL 308075A1 PL 30807595 A PL30807595 A PL 30807595A PL 30807595 A PL30807595 A PL 30807595A PL 308075 A1 PL308075 A1 PL 308075A1
- Authority
- PL
- Poland
- Prior art keywords
- yieldable
- roof supports
- coupler used
- gallery roof
- gallery
- Prior art date
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)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Clamps And Clips (AREA)
- Road Paving Structures (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Installation Of Indoor Wiring (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4418962 | 1994-05-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
PL308075A1 true PL308075A1 (en) | 1995-12-11 |
PL176123B1 PL176123B1 (en) | 1999-04-30 |
Family
ID=6519412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL95308075A PL176123B1 (en) | 1994-05-31 | 1995-04-11 | Coupler used in yieldable gallery roof supports |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE29505649U1 (en) |
PL (1) | PL176123B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103821543B (en) * | 2014-03-13 | 2016-06-01 | 辽宁工程技术大学 | A kind of U-shaped Steel Bracket coupling device |
CN103821542B (en) * | 2014-03-13 | 2016-04-06 | 辽宁工程技术大学 | A kind of erosion control support with setback line profile |
CN104763450B (en) * | 2015-02-04 | 2017-01-11 | 辽宁工程技术大学 | Constant-force U-shaped steel clamping rope |
-
1995
- 1995-04-01 DE DE29505649U patent/DE29505649U1/en not_active Expired - Lifetime
- 1995-04-01 DE DE19512283A patent/DE19512283A1/en not_active Withdrawn
- 1995-04-11 PL PL95308075A patent/PL176123B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL176123B1 (en) | 1999-04-30 |
DE19512283A1 (en) | 1995-12-07 |
DE29505649U1 (en) | 1995-06-22 |
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