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GB1113037A - Improvements in or relating to roller bits for boring earth and rock - Google Patents

Improvements in or relating to roller bits for boring earth and rock

Info

Publication number
GB1113037A
GB1113037A GB394567A GB394567A GB1113037A GB 1113037 A GB1113037 A GB 1113037A GB 394567 A GB394567 A GB 394567A GB 394567 A GB394567 A GB 394567A GB 1113037 A GB1113037 A GB 1113037A
Authority
GB
United Kingdom
Prior art keywords
rock
relating
boring earth
roller bits
roller
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.)
Expired
Application number
GB394567A
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.)
ALEXANDR STEPANOVICH JUDIN
GEORGY MIKHAILOVICH RODSHTEIN
IVAN DMITRIEVICH SHAKOV
JURY IVANOVICH CHERNOV
MIKHAIL MIKHAILOVICH KARPEEV
Original Assignee
ALEXANDR STEPANOVICH JUDIN
GEORGY MIKHAILOVICH RODSHTEIN
IVAN DMITRIEVICH SHAKOV
JURY IVANOVICH CHERNOV
MIKHAIL MIKHAILOVICH KARPEEV
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 ALEXANDR STEPANOVICH JUDIN, GEORGY MIKHAILOVICH RODSHTEIN, IVAN DMITRIEVICH SHAKOV, JURY IVANOVICH CHERNOV, MIKHAIL MIKHAILOVICH KARPEEV filed Critical ALEXANDR STEPANOVICH JUDIN
Priority to GB394567A priority Critical patent/GB1113037A/en
Publication of GB1113037A publication Critical patent/GB1113037A/en
Expired 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

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)

Abstract

1,113,037. Boring earth &c. R. M. BOGOMOLOV; M. M. KARPEEV; G. M. RODSHTEIN; J. I. CHERNOV; I. D. SHAKOV and A. S. JUDIN. 26 Jan., 1967, No. 3945/67. Heading E1F. A roller bit has rollers provided with hard metal inserts 1 the working surfaces of which are formed by two or more blades 2, 3 intersecting at a point. A blade on each insert may lie parallel to a generator of a roller.
GB394567A 1967-01-26 1967-01-26 Improvements in or relating to roller bits for boring earth and rock Expired GB1113037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB394567A GB1113037A (en) 1967-01-26 1967-01-26 Improvements in or relating to roller bits for boring earth and rock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB394567A GB1113037A (en) 1967-01-26 1967-01-26 Improvements in or relating to roller bits for boring earth and rock

Publications (1)

Publication Number Publication Date
GB1113037A true GB1113037A (en) 1968-05-08

Family

ID=9767845

Family Applications (1)

Application Number Title Priority Date Filing Date
GB394567A Expired GB1113037A (en) 1967-01-26 1967-01-26 Improvements in or relating to roller bits for boring earth and rock

Country Status (1)

Country Link
GB (1) GB1113037A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2328965A (en) * 1997-09-04 1999-03-10 Smith International Cutter element with increased hole bottom coverage
US6241034B1 (en) 1996-06-21 2001-06-05 Smith International, Inc. Cutter element with expanded crest geometry
US6367568B2 (en) 1997-09-04 2002-04-09 Smith International, Inc. Steel tooth cutter element with expanded crest

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6241034B1 (en) 1996-06-21 2001-06-05 Smith International, Inc. Cutter element with expanded crest geometry
GB2328965A (en) * 1997-09-04 1999-03-10 Smith International Cutter element with increased hole bottom coverage
US6161634A (en) * 1997-09-04 2000-12-19 Minikus; James C. Cutter element with non-rectilinear crest
GB2328965B (en) * 1997-09-04 2002-03-13 Smith International Drill bit with cutter element having expanded cutting portion
US6367568B2 (en) 1997-09-04 2002-04-09 Smith International, Inc. Steel tooth cutter element with expanded crest
US6782959B2 (en) 1997-09-04 2004-08-31 Smith International, Inc. Cutter element with non-linear, expanded crest

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