AT303648B - Pit construction for the striving - Google Patents
Pit construction for the strivingInfo
- Publication number
- AT303648B AT303648B AT885170A AT885170A AT303648B AT 303648 B AT303648 B AT 303648B AT 885170 A AT885170 A AT 885170A AT 885170 A AT885170 A AT 885170A AT 303648 B AT303648 B AT 303648B
- Authority
- AT
- Austria
- Prior art keywords
- striving
- pit construction
- pit
- construction
- Prior art date
Links
- 238000010276 construction Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0454—Trailing plates; Coal face or goaf side sprags
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Bridges Or Land Bridges (AREA)
- Body Structure For Vehicles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4787769 | 1969-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT303648B true AT303648B (en) | 1972-12-11 |
Family
ID=10446566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT885170A AT303648B (en) | 1969-09-30 | 1970-09-30 | Pit construction for the striving |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT303648B (en) |
DE (1) | DE2047769C3 (en) |
FR (1) | FR2062827A5 (en) |
GB (1) | GB1311279A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2646563C3 (en) * | 1976-10-15 | 1979-08-09 | Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum | Expansion for the hem area of a longwall |
DE2655076A1 (en) * | 1976-12-04 | 1978-06-15 | Gewerk Eisenhuette Westfalia | EXTENSION CLAMP |
DE3024465A1 (en) * | 1980-06-28 | 1982-01-28 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | PROGRESSIVE EXTENSION FOR UNDERGROUND EXTRACTION COMPANIES, IN PARTICULAR SHIELD REMOVAL |
-
1969
- 1969-09-30 GB GB1311279D patent/GB1311279A/en not_active Expired
-
1970
- 1970-09-29 DE DE2047769A patent/DE2047769C3/en not_active Expired
- 1970-09-30 FR FR7035365A patent/FR2062827A5/fr not_active Expired
- 1970-09-30 AT AT885170A patent/AT303648B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1311279A (en) | 1973-03-28 |
FR2062827A5 (en) | 1971-06-25 |
DE2047769C3 (en) | 1973-01-04 |
DE2047769A1 (en) | 1971-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |