BE522183A - - Google Patents
Info
- Publication number
- BE522183A BE522183A BE522183DA BE522183A BE 522183 A BE522183 A BE 522183A BE 522183D A BE522183D A BE 522183DA BE 522183 A BE522183 A BE 522183A
- Authority
- BE
- Belgium
- Prior art keywords
- props
- rows
- support according
- mine support
- caps
- Prior art date
Links
- 238000003307 slaughter Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 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
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/082—Cap joints for obtaining a coal-face free of pit-props of sliding type
-
- 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE522183A true BE522183A (enrdf_load_html_response) |
Family
ID=157528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE522183D BE522183A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE522183A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1189502B (de) * | 1954-12-11 | 1965-03-25 | Hans Joachim Von Hippel Dr Ing | Hydraulischer Stempelausbau |
-
0
- BE BE522183D patent/BE522183A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1189502B (de) * | 1954-12-11 | 1965-03-25 | Hans Joachim Von Hippel Dr Ing | Hydraulischer Stempelausbau |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE522183A (enrdf_load_html_response) | ||
| FR2806112A1 (fr) | Appareil de forage en terrain dur | |
| FR2540932A1 (fr) | Pile de soutenement marchant, notamment pour les mines souterraines | |
| FR2758778A1 (fr) | Support de charge perfectionne | |
| FR2472662A1 (fr) | Dispositif pour le reglage du niveau de coupe d'un rabot a charbon ou d'un engin analogue | |
| FR3099780A1 (fr) | Tente déployable munie d’arceaux contraints en flexion | |
| FR2815052A1 (fr) | Dispositif de nettoyage de plage | |
| FR2512792A1 (fr) | Dispositif compacteur-collecteur, destine a collecter et compacter des dechets ou ordures | |
| FR2459394A1 (fr) | Dispositif de limitation de course pour mecanismes de poussee a piston, notamment pour verins de ripage ou d'avance destines a riper un convoyeur ou un soutenement marchant dans les exploitations minieres au fond | |
| EP2436428A1 (fr) | Bâton notamment pour planche à neige | |
| CH692097A5 (fr) | Cor des Alpes téléscopique. | |
| FR2825990A1 (fr) | Dispositif de nettoyage mecanique de silos de stockage | |
| FR2609737A1 (fr) | Dispositif d'arrachages d'elements ancres dans le sol du type arrache-poteaux | |
| FR3146389A1 (fr) | Dispositif d’extraction | |
| FR2465578A1 (fr) | Machine a fendre le bois | |
| CH314241A (fr) | Chaîne à fonction d'engrènement | |
| FR2772628A1 (fr) | Raquette a neige a portance elargie | |
| BE437381A (enrdf_load_html_response) | ||
| BE563781A (fr) | Dispositif destine au renforcement de fondations | |
| FR2750720A1 (fr) | Collier a clavettes destine en particulier a l'assemblage de tubes d'echafaudages | |
| BE521943A (enrdf_load_html_response) | ||
| FR2693530A1 (fr) | Perfectionnement d'une transmission à crémaillère utilisant une courroie crantée associée à une bande élastique. | |
| FR2810293A1 (fr) | Structure flottante telle qu'un ponton, destinee a supporter un engin de terrassement ou analogue | |
| FR2613577A1 (fr) | Dispositif emotteur | |
| BE520280A (enrdf_load_html_response) |