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This page displays all 「FI」 in main group E21B10/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Drill bits (specially adapted for deflecting the direction of boring E21B 7/08; with means for collecting substances E21B 27/00) [3,8] | HB | CC | 2D129 | |
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Wing drill bits | HB | CC | 2D129 | |
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Hammer drill bits | HB | CC | 2D129 | |
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Drill bits for anchor holes | HB | CC | 2D129 | |
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Others | HB | CC | 2D129 | |
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.Core bits (characterised by wear resisting parts E21B 10/48) [2006.01] | HB | CC | 2D129 | |
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..with core destroying means [3] | HB | CC | 2D129 | |
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..Roller core bits [3] | HB | CC | 2D129 | |
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.Roller bits (E21B 10/26 takes precedence; roller core bits E21B 10/06; characterised by wear resisting parts E21B 10/50) [2006.01] | HB | CC | 2D129 | |
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..with roller axle supported at both ends [2006.01] | HB | CC | 2D129 | |
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..with disc cutters [3] | HB | CC | 2D129 | |
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..combined with non-rolling cutters other than of leading-portion type [3] | HB | CC | 2D129 | |
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..characterised by tooth form or arrangement [3] | HB | CC | 2D129 | |
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..characterised by conduits or nozzles for drilling fluids [2006.01] | HB | CC | 2D129 | |
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..characterised by detachable or adjustable parts, e.g. legs or axles [2006.01] | HB | CC | 2D129 | |
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..characterised by bearing, lubrication or sealing details [3,8] | HB | CC | 2D129 | |
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...with drilling fluid supply to the bearings [8] | HB | CC | 2D129 | |
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...characterised by lubricating details (E21B 10/23 takes precedence) [3,8] | HB | CC | 2D129 | |
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...characterised by sealing details [8] | HB | CC | 2D129 | |
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.Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers (percussion drill bits with leading portion E21B 10/40) [2006.01] | HB | CC | 2D129 | |
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..with non-expansible roller cutters [3] | HB | CC | 2D129 | |
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...Longitudinal axis roller reamers, e.g. reamer stabilisers [3] | HB | CC | 2D129 | |
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..with expansible cutting tools [3] | HB | CC | 2D129 | |
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...of roller-cutter type [3] | HB | CC | 2D129 | |
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.Percussion drill bits (characterised by wear resisting parts E21B 10/46) [3] | HB | CC | 2D129 | |
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..characterised by conduits or nozzles for drilling fluids [3] | HB | CC | 2D129 | |
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..with leading portion [3] | HB | CC | 2D129 | |
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.Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits (characterised by wear resisting parts E21B 10/46, by conduits or nozzles for drilling fluid E21B 10/60, by detachable parts E21B 10/62) [3,8] | HB | CC | 2D129 | |
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..characterised by the arrangement of teeth or other cutting elements [8] | HB | CC | 2D129 | |
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.Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts (E21B 10/42 takes precedence) [2006.01] | HB | CC | 2D129 | |
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.characterised by wear resisting parts, e.g. diamond inserts [3] | HB | CC | 2D129 | |
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..the bit being of core type [3] | HB | CC | 2D129 | |
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..the bit being of roller type [3] | HB | CC | 2D129 | |
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...with chisel- or button-type inserts [3] | HB | CC | 2D129 | |
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..the bit being of the rotary drag type, e.g. fork-type bits [3,8] | HB | CC | 2D129 | |
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...with preformed cutting elements [2006.01] | HB | CC | 2D129 | |
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..Button-type inserts (E21B 10/52 takes precedence) [3] | HB | CC | 2D129 | |
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...with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts [8] | HB | CC | 2D129 | |
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....characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element [8] | HB | CC | 2D129 | |
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..Chisel-type inserts (E21B 10/52 takes precedence) [2006.01] | HB | CC | 2D129 | |
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.characterised by conduits or nozzles for drilling fluids (for roller bits E21B 10/18; for percussion drill bits E21B 10/38) [3] | HB | CC | 2D129 | |
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..characterised by nozzle structure [8] | HB | CC | 2D129 | |
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.characterised by parts, e.g. cutting elements, which are detachable or adjustable (E21B 10/64 takes precedence; for roller bits E21B 10/20; for augers E21B 10/44) [3,8] | HB | CC | 2D129 | |
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..with plural detachable cutting elements [8] | HB | CC | 2D129 | |
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...independently detachable [8] | HB | CC | 2D129 | |
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.characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe [2006.01] | HB | CC | 2D129 | |
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..the cutting element being movable through the drilling pipe and laterally shiftable [3] | HB | CC | 2D129 | |