SUPPORT SECTION
The invention relates to a mechanized support section used for mining medium thick coal beds According to the invention, the support section comprises a surrounding shield (14) joined to a beam (1) having a rectangular cutting out (a) located in a middle zone (b) of the beam, the cutting out (a) hav...
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| creator | PAVELONESC IOAN DANCIULESCU DUMITRU ZAMORA GABRIEL DAN IONESCU CONSTANTIN SUCIU TIBERIU SOARE AUREL GRUNVALD IRIMIE |
| description | The invention relates to a mechanized support section used for mining medium thick coal beds According to the invention, the support section comprises a surrounding shield (14) joined to a beam (1) having a rectangular cutting out (a) located in a middle zone (b) of the beam, the cutting out (a) having the possibility of being covered by a plate (3) mounted on the beam, that allows the plate (3) to tilt at a maximum angle of 60‹ An additional plate (8) for guiding the coal is fastened onto the plate (3) and a front end (c) of beam (1) is provided with a gate shield (2) maintained in the rest position by means of ratchets (11) mounted on beam (1) and interacting with the springs (10) fastened onto the gate shield |
| format | Patent |
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| language | eng ; rum |
| recordid | cdi_epo_espacenet_RO115551B1 |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | SUPPORT SECTION |
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