DE3482333D1 - Zahnbauart zur vermeidung von scherbeanspruchungen. - Google Patents

Zahnbauart zur vermeidung von scherbeanspruchungen.

Info

Publication number
DE3482333D1
DE3482333D1 DE8484102308T DE3482333T DE3482333D1 DE 3482333 D1 DE3482333 D1 DE 3482333D1 DE 8484102308 T DE8484102308 T DE 8484102308T DE 3482333 T DE3482333 T DE 3482333T DE 3482333 D1 DE3482333 D1 DE 3482333D1
Authority
DE
Germany
Prior art keywords
shear stress
tooth design
avoid shear
avoid
tooth
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 - Lifetime
Application number
DE8484102308T
Other languages
English (en)
Inventor
Hans-Ickhard Mengel
Hermann Munzel
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Eastman Christensen Co
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 Eastman Christensen Co filed Critical Eastman Christensen Co
Application granted granted Critical
Publication of DE3482333D1 publication Critical patent/DE3482333D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/56—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
DE8484102308T 1983-03-07 1984-03-03 Zahnbauart zur vermeidung von scherbeanspruchungen. Expired - Lifetime DE3482333D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/473,021 US4515226A (en) 1983-03-07 1983-03-07 Tooth design to avoid shearing stresses

Publications (1)

Publication Number Publication Date
DE3482333D1 true DE3482333D1 (de) 1990-06-28

Family

ID=23877863

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484102308T Expired - Lifetime DE3482333D1 (de) 1983-03-07 1984-03-03 Zahnbauart zur vermeidung von scherbeanspruchungen.

Country Status (8)

Country Link
US (1) US4515226A (de)
EP (1) EP0118127B1 (de)
JP (1) JPS59210185A (de)
AU (1) AU557427B2 (de)
CA (1) CA1218353A (de)
DE (1) DE3482333D1 (de)
PH (1) PH21290A (de)
ZA (1) ZA841716B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4732364A (en) * 1984-12-17 1988-03-22 Ameron Iron Works USA, Inc. Wear resistant diamond cladding
US4673044A (en) * 1985-08-02 1987-06-16 Eastman Christensen Co. Earth boring bit for soft to hard formations
US4646857A (en) * 1985-10-24 1987-03-03 Reed Tool Company Means to secure cutting elements on drag type drill bits
US5004057A (en) * 1988-01-20 1991-04-02 Eastman Christensen Company Drill bit with improved steerability
US4911254A (en) * 1989-05-03 1990-03-27 Hughes Tool Company Polycrystalline diamond cutting element with mating recess
US5248006A (en) * 1991-03-01 1993-09-28 Baker Hughes Incorporated Rotary rock bit with improved diamond-filled compacts
US5273125A (en) * 1991-03-01 1993-12-28 Baker Hughes Incorporated Fixed cutter bit with improved diamond filled compacts
US5282513A (en) * 1992-02-04 1994-02-01 Smith International, Inc. Thermally stable polycrystalline diamond drill bit
US6648068B2 (en) * 1996-05-03 2003-11-18 Smith International, Inc. One-trip milling system
US6206117B1 (en) 1997-04-02 2001-03-27 Baker Hughes Incorporated Drilling structure with non-axial gage
US6123160A (en) * 1997-04-02 2000-09-26 Baker Hughes Incorporated Drill bit with gage definition region
US5967247A (en) * 1997-09-08 1999-10-19 Baker Hughes Incorporated Steerable rotary drag bit with longitudinally variable gage aggressiveness
GB2454122B (en) 2005-02-08 2009-07-08 Smith International Thermally stable polycrystalline diamond cutting elements and bits incorporating the same
US8083012B2 (en) 2008-10-03 2011-12-27 Smith International, Inc. Diamond bonded construction with thermally stable region
US9856702B2 (en) 2013-09-18 2018-01-02 Smith International, Inc. Cutting element for a downhole tool
CN108984833B (zh) * 2018-06-07 2023-04-07 万力轮胎股份有限公司 一种轮胎入模角度分析方法及装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2818233A (en) * 1954-05-03 1957-12-31 Jr Edward B Williams Drill bit
US3027952A (en) * 1958-07-30 1962-04-03 Socony Mobil Oil Co Inc Drill bit
US3318399A (en) * 1965-03-22 1967-05-09 Exxon Production Research Co Diamond bits and similar tools
US3442342A (en) * 1967-07-06 1969-05-06 Hughes Tool Co Specially shaped inserts for compact rock bits,and rolling cutters and rock bits using such inserts
AT302937B (de) * 1970-06-05 1972-11-10 Boehler & Co Ag Geb Gesteinsbohrkrone, insbesondere für Schlagbohrgeräte
GB1344921A (en) * 1971-04-23 1974-01-23 Shell Int Research Diamond bit
US3938599A (en) * 1974-03-27 1976-02-17 Hycalog, Inc. Rotary drill bit
US4373593A (en) * 1979-03-16 1983-02-15 Christensen, Inc. Drill bit
US4397363A (en) * 1980-01-10 1983-08-09 Drilling & Service U.K. Limited Rotary drill bits and method of use

Also Published As

Publication number Publication date
EP0118127A2 (de) 1984-09-12
EP0118127B1 (de) 1990-05-23
AU2537684A (en) 1984-09-13
EP0118127A3 (en) 1986-01-22
US4515226A (en) 1985-05-07
PH21290A (en) 1987-09-28
AU557427B2 (en) 1986-12-18
CA1218353A (en) 1987-02-24
JPS59210185A (ja) 1984-11-28
ZA841716B (en) 1984-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee