Rock drill
A rock drill for rotary hammers is proposed in which a conveying helix ( 3 ) having main and secondary webs ( 6 to 9 ) is used. A one-piece carbide crown, with its wing-shaped main and secondary lips ( 24 to 27 ), is butt-welded to the conveying helix.
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| creator | FUSS MATHIAS |
| description | A rock drill for rotary hammers is proposed in which a conveying helix ( 3 ) having main and secondary webs ( 6 to 9 ) is used. A one-piece carbide crown, with its wing-shaped main and secondary lips ( 24 to 27 ), is butt-welded to the conveying helix. |
| format | Patent |
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| language | eng |
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| subjects | BORING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS TRANSPORTING TURNING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS |
| title | Rock drill |
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