Mobile groove machine for drilling microtunnel, tunnel and wells and a deep drilling machine provided with a re-entrant superimposed impact tool
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Mobile machine for drilling tunnels/shafts with different profiles and cross-sections comprises a slowly rotating drill head with tools arranged in a radially offset manner about the drill head central axis
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Excavating tool for rock, minerals etc
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A method of counterbalancing eccentrically driven percussive tools.
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Round shaft cutter for rotating drum or plate to slit or cut concrete, stone or minerals; has damping elastic, springy element between base body of cutter and holder, to take up recoil
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Optimization of counterbalanced tools overlaid with eccentric impact
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Counter-balancing device for different weight tools of roller tool uses additional counter-balancing weight compensating difference between tool weights
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Lowering transmission for driven rotating tools with eccentric impact overlay, with engaged inner and outer gear crowns, one of which has damping devices
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Rotating chisel for masonry and rock has an eccentric drive with the impact drive for the tools varied to match the hardness of the material being worked
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The grinding appliance collects up coarse pieces via fan into a filter
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Roller boring machine for drilling and clearing away stone and minerals has small boring tools radially mounted on rotatably driven sleeve
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Combination of a conventional slotting tool with eccentric driven milling tools
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A process for producing slots, grooves and the like
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Eccentrically driven percussive tools for treating materials
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Eccentrically driven percussive tools for treating materials
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Procedure for application of diamonds for cutting hard stone
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About eccentric percussive tools for machining materials.
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Motor-driven drill.
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Radially striking vibration roller for compressing and processing floors - has fast-running motor-driven eccentric on which counterweight-balanced roller is located to rotate freely or be remotely driven
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Unit for drilling, milling, slitting and compression of materials.
