GB8328216D0 - Ground boring drill bit - Google Patents

Ground boring drill bit

Info

Publication number
GB8328216D0
GB8328216D0 GB838328216A GB8328216A GB8328216D0 GB 8328216 D0 GB8328216 D0 GB 8328216D0 GB 838328216 A GB838328216 A GB 838328216A GB 8328216 A GB8328216 A GB 8328216A GB 8328216 D0 GB8328216 D0 GB 8328216D0
Authority
GB
United Kingdom
Prior art keywords
drill bit
boring drill
ground boring
ground
bit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB838328216A
Other versions
GB2132662A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Metal Mining Co Ltd
Original Assignee
Sumitomo Metal Mining Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Metal Mining Co Ltd filed Critical Sumitomo Metal Mining Co Ltd
Publication of GB8328216D0 publication Critical patent/GB8328216D0/en
Publication of GB2132662A publication Critical patent/GB2132662A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB08328216A 1982-12-28 1983-10-21 Drill bit Withdrawn GB2132662A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57229329A JPS59122690A (en) 1982-12-28 1982-12-28 Underground drilling drill bit

Publications (2)

Publication Number Publication Date
GB8328216D0 true GB8328216D0 (en) 1983-11-23
GB2132662A GB2132662A (en) 1984-07-11

Family

ID=16890439

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08328216A Withdrawn GB2132662A (en) 1982-12-28 1983-10-21 Drill bit

Country Status (5)

Country Link
JP (1) JPS59122690A (en)
DE (1) DE3339675C2 (en)
FR (1) FR2538441A1 (en)
GB (1) GB2132662A (en)
IT (1) IT1168224B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1234096A (en) * 1984-03-19 1988-03-15 Inco Limited Spherical bit
AR016883A1 (en) * 1997-08-28 2001-08-01 Shell Int Research A ROTARY TREPANE TO DRILL
US6604587B1 (en) * 2000-06-14 2003-08-12 Smith International, Inc. Flat profile cutting structure for roller cone drill bits

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1897588A (en) * 1929-07-09 1933-02-14 Chicago Pneumatic Tool Co Rotary drilling apparatus
US2117679A (en) * 1935-12-27 1938-05-17 Chicago Pneumatic Tool Co Earth boring drill
US3098535A (en) * 1960-09-23 1963-07-23 Austin E Ragon Tri-cone bit with inserts
US3385385A (en) * 1966-04-01 1968-05-28 Reed Roller Bit Co Drill bit
GB1221723A (en) * 1967-06-09 1971-02-10 J C Soding & Halbach Kg Improved roller for rock boring equipment
GB1193717A (en) * 1967-09-08 1970-06-03 Inst Burovoi Tekhnik Improvements in or relating to Roller Cutter Boring Bits
DE1583013B1 (en) * 1967-11-04 1971-12-23 Vnii Burowoj Techniki Boring chisels
GB1224503A (en) * 1968-02-14 1971-03-10 Inst Burovoi Tekhnik Improvements in or relating to drilling apparatus
US3504751A (en) * 1968-02-20 1970-04-07 Tariel Georgievich Agoshashvil Drill bit
US3547209A (en) * 1969-01-06 1970-12-15 Shell Oil Co Deviation control bit and method
US3603414A (en) * 1970-01-30 1971-09-07 Frank E Stebley Insert for drilling unit
FR2198048A1 (en) * 1972-09-01 1974-03-29 Gw Murphy Indus3Ries Inc Drill bit roller cutter - with circumferential chisel-shaped webs having cutting inserts
US3946820A (en) * 1974-10-25 1976-03-30 Faurilda Ferne Knapp Novel cutter elements for drill bits
US3952815A (en) * 1975-03-24 1976-04-27 Dresser Industries, Inc. Land erosion protection on a rock cutter
US4202419A (en) * 1979-01-11 1980-05-13 Dresser Industries, Inc. Roller cutter with major and minor insert rows

Also Published As

Publication number Publication date
DE3339675A1 (en) 1984-07-12
FR2538441A1 (en) 1984-06-29
DE3339675C2 (en) 1986-05-07
JPS59122690A (en) 1984-07-16
IT1168224B (en) 1987-05-20
IT8349242A0 (en) 1983-10-28
GB2132662A (en) 1984-07-11

Similar Documents

Publication Publication Date Title
GB2084631B (en) Earth boring bit
DE3569957D1 (en) Rock drill bit
GB2085945B (en) Rotary drill bit
GB2117430B (en) Rotary earth boring bit
GB2086451B (en) Rotary drill bit for deep-well drilling
GB8528777D0 (en) Drill bit
JPS57165591A (en) Rotary drill bit
ZA816919B (en) Rotary drill bit
JPS5761187A (en) Rotary drilling bit for boring
GB2078825B (en) Earth boring drill bit
GB2050470B (en) Earth boring drill bit
GB2047308B (en) Drill bit for well drilling
GB8322798D0 (en) Two-piece drill bit
ZA837737B (en) Drill bit
JPS57143085A (en) Drill bit for boring
GB2085049B (en) Earth boring bit
GB8315537D0 (en) Drilling bit
ZA849207B (en) Mining drill bit
GB8428829D0 (en) Drill bit
GB2085050B (en) Rotary earth boring bit
GB8328216D0 (en) Ground boring drill bit
GB8511732D0 (en) Boring drill bit
GB2143446B (en) Drill bit
JPS57193691A (en) Earth boring bit
ZA816742B (en) Rotary drill bit

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)