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2018
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Invention
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Cutter housing with inline mounting. A cutter assembly for a tunnel boring machine includes first... |
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2016
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Invention
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Cutter disc with set back teeth for tunnel boring machine. A cutter disc for a tunnel boring mach... |
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Invention
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Clamped-ring cutter assembly for tunnel boring machine. A cutter assembly (100) includes a disc s... |
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Invention
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Cutter assembly with inline mounting. An inline mounting assembly (100) for a TBM cutter assembly... |
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2013
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Invention
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Tunnel boring machine with cutterhead support assembly supporting a variable number of drive syst... |
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2012
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Invention
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Cutter assembly for tunnel boring machine with pressure compensation. A pressure-compensated cutt... |
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2009
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Invention
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All-conditions tunnel boring machine. A tunnel boring machine is provided comprising a cutter hea... |
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Invention
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Apparatus and method for monitoring tunnel boring efficiency. A tunnel boring machine (90) having... |
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Invention
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Apparatus and method for monitoring tunnel boring efficiency.
A tunnel boring mac... |
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2002
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Invention
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Equipment for drilling vertical boreholes. securing means for securing the second end of the torq... |
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1999
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Invention
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Self-adjusting carrying idler assembly. A conveyor belt idler support includes a fixed frame havi... |
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1996
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Invention
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Cutter assembly having a plurality of independently rotatable cutting units thereon. A rock cutti... |
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1994
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Invention
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Down reaming apparatus. A down reaming apparatus (10) has an upper stabilizer (146) which support... |
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Invention
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Drive head assembly for drilling machine.
The drive head assembly (26) for a drilling... |
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Invention
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Drive head assembly for drilling machine. The drive head assembly (26) for a drilling machine inc... |
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1993
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Invention
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Down reaming apparatus. A down reaming apparatus (10) has an upper stabilizer (14) which supports... |
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Invention
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Roller cutter assembly having adjustable ring cutter spacing. A roller cutter assembly comprising... |
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1992
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Invention
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Mobile mining machine having tilted swing axis. A mobile mining machine (10) has a wheel-like cut... |
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Invention
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Tunneling machine having liquid balance low flow slurry system. A tunneling machine (10) converti... |
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Invention
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Tunnel boring machine with continuous forward propulsion. A tunnel boring machine (10) includes t... |
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Invention
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Gantry-type mobile mining machine. A gantry-type mobile mining machine (10) includes a cutterwhee... |
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Invention
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Mobile mining machine. A mobile mining machine (10) has a wheel-like cutterhead assembly (12) sup... |
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Invention
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Hopper and hood combination for tunneling machine. A hopper and hood combination for muck transfe... |
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1991
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Invention
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Gantry-type mobile mining machine. A gantry-type mobile mining machine includes a cutterwheel hav... |
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1985
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Invention
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Shaft boring machine and method. A shaft boring machine (10) including a rotatable cutterwheel as... |
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1984
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Invention
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Mobile mining machine and method. A first mobile mining machine (10) for cutting mining tunnels i... |
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Invention
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Shaft boring machine and method. A method of boring vertical shafts in medium and hard rock which... |
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1981
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Invention
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Earth boring apparatus. Large hole boring equipment is used for boring a large diameter blind pil... |
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1980
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Invention
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Raise bit with cutters stepped in a spiral and flywheel. A bit connectible from the lower end of ... |
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1977
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G/S
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JEWELRY |
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1975
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Invention
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Tunneling equipment. A cutting tool is mounted on the head of a support tripod, the legs of which... |
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Invention
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Machine for boring a large diameter blind hole. A cutter wheel is mounted at the lower end of the... |
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Invention
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Method and apparatus for establishing the drilling line of an overhead boring machine. A bedplate... |
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Invention
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Upward tunneling. A boring assembly is advanced upwardly by thrust rams acting on a column guided... |
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1974
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Invention
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Continuous tunnel boring machine and method. Front and rear shields are telescopically joined tog... |
