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2010
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Invention
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Rotary roller reamer. A bore hole rotary reamer includes a body having cutters rotatably mounted ... |
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2004
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Invention
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Rotary roller reamer.
A bore hole rotary reamer (1) includes a body (2) having cutters (4) conta... |
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|
Invention
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Rotary roller reamer. A bore hole rotary reamer (1) includes a body (2) having cutters (4) contai... |
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1998
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G/S
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[ DRILLING MACHINES, HEADS, BITS, ] REAMERS AND STRUCTURAL PARTS THEREFOR; ROTARY ROLLER REAMERS ... |
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G/S
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Drilling machines, drill heads, drill bits, reamers for drilling, and parts and accessories there... |
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G/S
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Machines and machine tools; machine coupling and transmission components in this class; drilling ... |
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1996
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Invention
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Stabiliser tool. A stabiliser tool (15) for a drill string (10) has a circular body (16) with rec... |
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|
Invention
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Bi-directional roller reamer. A borehole reamer (10) is provided with reamer rollers (11, 20) eac... |
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1994
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Invention
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Improved rotary roller reamer. A rotary roller reamer (10) for a borehole has several rollers (11... |
