ZA767686B - Frame for supporting an underground drivage - Google Patents
Frame for supporting an underground drivageInfo
- Publication number
- ZA767686B ZA767686B ZA767686A ZA767686A ZA767686B ZA 767686 B ZA767686 B ZA 767686B ZA 767686 A ZA767686 A ZA 767686A ZA 767686 A ZA767686 A ZA 767686A ZA 767686 B ZA767686 B ZA 767686B
- Authority
- ZA
- South Africa
- Prior art keywords
- drivage
- underground
- supporting
- frame
- underground drivage
- 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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Connection Of Plates (AREA)
- Sewage (AREA)
- Clamps And Clips (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2602209A DE2602209C3 (en) | 1976-01-22 | 1976-01-22 | Clamp connection for channel profile segments |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA767686B true ZA767686B (en) | 1977-11-30 |
Family
ID=5967946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA767686A ZA767686B (en) | 1976-01-22 | 1976-12-29 | Frame for supporting an underground drivage |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE850170A (en) |
DE (1) | DE2602209C3 (en) |
FR (1) | FR2339056A1 (en) |
GB (1) | GB1569165A (en) |
PL (1) | PL105492B1 (en) |
ZA (1) | ZA767686B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3239343C2 (en) * | 1982-10-23 | 1986-01-23 | TechnoARBED Deutschland GmbH, 6600 Saarbrücken | Clamping connection for sliding channel profiles that lie one inside the other for pit lining |
US11242750B2 (en) * | 2019-11-25 | 2022-02-08 | Fci Holdings Delaware, Inc. | Adjustable lattice girder |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1081646A (en) * | 1952-07-29 | 1954-12-21 | Improvements to support systems for mine galleries | |
FR1102027A (en) * | 1953-06-10 | 1955-10-13 | Bochumer Eisen Heintzmann | Improvements made to sliding support frames for mining installations |
NL225368A (en) * | 1957-02-28 | |||
FR1222714A (en) * | 1957-03-07 | 1960-06-13 | Self-lubricating washer prevents mechanical noise | |
FR1235556A (en) * | 1959-05-29 | 1960-07-08 | British Insulated Callenders | Improvements to bolted connections between metal parts |
FR1265747A (en) * | 1960-08-23 | 1961-06-30 | Bochumer Eisen Heintzmann | Improvements to two-piece junction sleeves for sliding support frames |
US3105048A (en) * | 1961-01-23 | 1963-09-24 | Engelhard Ind Inc | Solid lubricant |
FR2218784A5 (en) * | 1973-02-16 | 1974-09-13 | Nord Ressorts |
-
1976
- 1976-01-22 DE DE2602209A patent/DE2602209C3/en not_active Expired
- 1976-12-08 GB GB51309/76A patent/GB1569165A/en not_active Expired
- 1976-12-29 ZA ZA767686A patent/ZA767686B/en unknown
-
1977
- 1977-01-04 FR FR7700088A patent/FR2339056A1/en active Pending
- 1977-01-07 BE BE173899A patent/BE850170A/en not_active IP Right Cessation
- 1977-01-19 PL PL1977195412A patent/PL105492B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB1569165A (en) | 1980-06-11 |
DE2602209B2 (en) | 1977-12-22 |
BE850170A (en) | 1977-05-02 |
DE2602209A1 (en) | 1977-09-01 |
FR2339056A1 (en) | 1977-08-19 |
DE2602209C3 (en) | 1978-08-10 |
PL105492B1 (en) | 1979-10-31 |
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