GB8311595D0 - Tips for bits in boring device - Google Patents

Tips for bits in boring device

Info

Publication number
GB8311595D0
GB8311595D0 GB838311595A GB8311595A GB8311595D0 GB 8311595 D0 GB8311595 D0 GB 8311595D0 GB 838311595 A GB838311595 A GB 838311595A GB 8311595 A GB8311595 A GB 8311595A GB 8311595 D0 GB8311595 D0 GB 8311595D0
Authority
GB
United Kingdom
Prior art keywords
tips
bits
boring device
boring
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.)
Granted
Application number
GB838311595A
Other versions
GB2138864B (en
GB2138864A (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
Priority to GB08311595A priority Critical patent/GB2138864B/en
Priority to AU14070/83A priority patent/AU559652B2/en
Priority to FR8307429A priority patent/FR2545530B1/en
Priority to DE3318100A priority patent/DE3318100C1/en
Publication of GB8311595D0 publication Critical patent/GB8311595D0/en
Publication of GB2138864A publication Critical patent/GB2138864A/en
Application granted granted Critical
Publication of GB2138864B publication Critical patent/GB2138864B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
GB08311595A 1983-04-28 1983-04-28 Roller drill bits Expired GB2138864B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB08311595A GB2138864B (en) 1983-04-28 1983-04-28 Roller drill bits
AU14070/83A AU559652B2 (en) 1983-04-28 1983-04-29 Tips for bits
FR8307429A FR2545530B1 (en) 1983-04-28 1983-05-04 ADD-ON BITS FOR BITS OF A DRILLING DEVICE
DE3318100A DE3318100C1 (en) 1983-04-28 1983-05-18 Cylindrical cutting insert for rock drill bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08311595A GB2138864B (en) 1983-04-28 1983-04-28 Roller drill bits

Publications (3)

Publication Number Publication Date
GB8311595D0 true GB8311595D0 (en) 1983-06-02
GB2138864A GB2138864A (en) 1984-10-31
GB2138864B GB2138864B (en) 1986-07-30

Family

ID=10541836

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08311595A Expired GB2138864B (en) 1983-04-28 1983-04-28 Roller drill bits

Country Status (4)

Country Link
AU (1) AU559652B2 (en)
DE (1) DE3318100C1 (en)
FR (1) FR2545530B1 (en)
GB (1) GB2138864B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4592433A (en) * 1984-10-04 1986-06-03 Strata Bit Corporation Cutting blank with diamond strips in grooves
GB8711255D0 (en) * 1987-05-13 1987-06-17 Nl Petroleum Prod Rotary drill bits
US5154245A (en) * 1990-04-19 1992-10-13 Sandvik Ab Diamond rock tools for percussive and rotary crushing rock drilling
SE9002135D0 (en) * 1990-06-15 1990-06-15 Sandvik Ab IMPROVED TOOLS FOR PERCUSSIVE AND ROTARY CRUSCHING ROCK DRILLING PROVIDED WITH A DIAMOND LAYER
SE9002136D0 (en) * 1990-06-15 1990-06-15 Sandvik Ab CEMENT CARBIDE BODY FOR ROCK DRILLING, MINERAL CUTTING AND HIGHWAY ENGINEERING
SE9002137D0 (en) * 1990-06-15 1990-06-15 Diamant Boart Stratabit Sa IMPROVED TOOLS FOR CUTTING ROCK DRILLING
SE9003251D0 (en) * 1990-10-11 1990-10-11 Diamant Boart Stratabit Sa IMPROVED TOOLS FOR ROCK DRILLING, METAL CUTTING AND WEAR PART APPLICATIONS
US5273125A (en) * 1991-03-01 1993-12-28 Baker Hughes Incorporated Fixed cutter bit with improved diamond filled compacts
US5248006A (en) * 1991-03-01 1993-09-28 Baker Hughes Incorporated Rotary rock bit with improved diamond-filled compacts
FR2677699B1 (en) * 1991-06-11 1997-03-14 Total Petroles DRILLING TOOL WITH ROTARY TAPERED ROLLERS.
US5417475A (en) * 1992-08-19 1995-05-23 Sandvik Ab Tool comprised of a holder body and a hard insert and method of using same
US5351772A (en) * 1993-02-10 1994-10-04 Baker Hughes, Incorporated Polycrystalline diamond cutting element
US5837071A (en) * 1993-11-03 1998-11-17 Sandvik Ab Diamond coated cutting tool insert and method of making same
ZA954736B (en) * 1994-06-16 1996-01-26 De Beers Ind Diamond Tool component
FR2735522B1 (en) * 1995-06-16 1997-09-05 Total Sa MONOBLOCK DRILLING TOOL SIZE
US5722497A (en) 1996-03-21 1998-03-03 Dresser Industries, Inc. Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579268A (en) * 1946-12-27 1951-12-18 Malherbe Johannes Andrea Smuts Rock drill bit having hard inserts forming cutting edges
FR1006219A (en) * 1947-12-05 1952-04-21 Sharpener with extra hard insert
FR986125A (en) * 1948-05-13 1951-07-27 Boehler & Co Ag Geb Tungsten carbide cutting tool bit
FR78510E (en) * 1960-10-10 1962-08-03 Europ De Turboforage Soc Drill bit for soil drilling
US3168925A (en) * 1963-04-26 1965-02-09 Ingersoll Rand Co Cutting inserts for rock drill bits
US3311181A (en) * 1964-05-04 1967-03-28 John B Fowler Bi-metal drilling tooth
US3693736A (en) * 1969-09-04 1972-09-26 Mission Mfg Co Cutter insert for rock bits
DE7607860U1 (en) * 1976-03-13 1976-09-02 Fried. Krupp Gmbh, 4300 Essen TOOL EQUIPPED WITH CUTTING PINS AND DRIVE PINS FOR REMOVING ROCKS AND MINERALS
FR2375428A1 (en) * 1976-05-19 1978-07-21 Creusot Loire Rotated monoblock diamond cutter head for hole boring - penetrates soft and medium hard rock at high speed
US4109737A (en) * 1976-06-24 1978-08-29 General Electric Company Rotary drill bit
US4148368A (en) * 1976-09-27 1979-04-10 Smith International, Inc. Rock bit with wear resistant inserts
FR2423626B1 (en) * 1978-04-21 1985-11-29 Christensen Inc Norton ROTARY DRILL BIT FOR DEEP DRILLING
ZA782286B (en) * 1978-04-21 1979-10-31 Christensen Inc Abrasive bodies
US4199035A (en) * 1978-04-24 1980-04-22 General Electric Company Cutting and drilling apparatus with threadably attached compacts
AT376765B (en) * 1978-05-16 1984-12-27 Guergen Karlheinz INTERCHANGEABLE DRILL BIT FOR ONE STONE DRILL DRILL AND DRILL BIT APPLICABLE TO ALL STONES
ZA794097B (en) * 1978-10-02 1980-11-26 Gen Electric Cutter shapes for rock drilling with drag bits
GB2041427B (en) * 1978-11-01 1982-08-18 Nl Industries Inc Insert for tool wear surfaces and method of manufacture
GB2060735B (en) * 1979-10-16 1983-06-22 Christensen Inc Diamond drill bits for drilling bore holes in earth formations
ZA806249B (en) * 1979-11-19 1982-01-27 Gen Electric Compacts for diamond drill and saw applications
US4359335A (en) * 1980-06-05 1982-11-16 Smith International, Inc. Method of fabrication of rock bit inserts of tungsten carbide (WC) and cobalt (Co) with cutting surface wear pad of relative hardness and body portion of relative toughness sintered as an integral composite
DE3111156C1 (en) * 1981-03-21 1983-04-14 Christensen, Inc., 84115 Salt Lake City, Utah Cutting element for rotary drill bits for deep drilling in earth formations
DE3114749C2 (en) * 1981-04-11 1983-10-27 Christensen, Inc., 84115 Salt Lake City, Utah Wedge-shaped cutting link for rotary drill bits for deep drilling

Also Published As

Publication number Publication date
GB2138864B (en) 1986-07-30
DE3318100C1 (en) 1984-11-15
GB2138864A (en) 1984-10-31
FR2545530B1 (en) 1986-04-11
FR2545530A1 (en) 1984-11-09
AU559652B2 (en) 1987-03-19
AU1407083A (en) 1984-11-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950428