Method of and device for modifying the clearance gauge of a tunnel
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Wire saw
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Stand for a stone-working machine, especially a core boring machine
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Drive unit with a centrifugal clutch.
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Cable saw machine for cutting concrete bodies, walls, rocks or the like
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Centrifugal clutch and a floor-joint cutter
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Method and apparatus for repairing a junction pipe connection to a main pipe
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Hydraulic energy supply cart
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Wheeled hydraulic power unit
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Mobile drive for hydraulic drilling or cutting tool - uses two drive modules operated independently or in tandem, each with high pressure pump driven by IC engine or electric motor
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Circular concrete and rock saw - has guard cowl working in liner guides on stationary component and with groove engaged by boss on blade shaft
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Equipment for producing back cuts with holes of concrete and stone material - uses material removal tools pressed radially outwards during their rotary movement by use of adjustment body moved linearly hydraulically
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Mobile cutting machine for concrete or stone surface - has alternate drive modes for rotating vertical circular saw blade e.g. for cutting concrete or stone paving
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Rotary piston control valve, especially for high pressure hydraulic systems
