IT7927701A0 - Scalpello da roccia rotante emetodo per la fabbricazione dello stesso. - Google Patents

Scalpello da roccia rotante emetodo per la fabbricazione dello stesso.

Info

Publication number
IT7927701A0
IT7927701A0 IT7927701A IT2770179A IT7927701A0 IT 7927701 A0 IT7927701 A0 IT 7927701A0 IT 7927701 A IT7927701 A IT 7927701A IT 2770179 A IT2770179 A IT 2770179A IT 7927701 A0 IT7927701 A0 IT 7927701A0
Authority
IT
Italy
Prior art keywords
manufacturing
same
rotary rock
rock chisel
chisel
Prior art date
Application number
IT7927701A
Other languages
English (en)
Other versions
IT1126419B (it
Inventor
Vezirian Edward
Original Assignee
Smith International
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 Smith International filed Critical Smith International
Publication of IT7927701A0 publication Critical patent/IT7927701A0/it
Application granted granted Critical
Publication of IT1126419B publication Critical patent/IT1126419B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • 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
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
IT27701/79A 1979-01-15 1979-11-29 Scalpello da roccia rotante e metodo per la fabbricazione dello stesso IT1126419B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/003,246 US4266622A (en) 1979-01-15 1979-01-15 Rotary rock bit and method of making same

Publications (2)

Publication Number Publication Date
IT7927701A0 true IT7927701A0 (it) 1979-11-29
IT1126419B IT1126419B (it) 1986-05-21

Family

ID=21704905

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27701/79A IT1126419B (it) 1979-01-15 1979-11-29 Scalpello da roccia rotante e metodo per la fabbricazione dello stesso

Country Status (3)

Country Link
US (1) US4266622A (it)
IT (1) IT1126419B (it)
MX (1) MX148814A (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60238595A (ja) * 1984-05-10 1985-11-27 住友金属鉱山株式会社 地中穿孔ドリルビツト
IT1182101B (it) * 1984-12-21 1987-09-30 Megadiamond Ind Inc Perfezionamento nei sistemi di cuscinetti per punte di trivelle da roccia
US4738322A (en) * 1984-12-21 1988-04-19 Smith International Inc. Polycrystalline diamond bearing system for a roller cone rock bit
US4802539A (en) * 1984-12-21 1989-02-07 Smith International, Inc. Polycrystalline diamond bearing system for a roller cone rock bit
US4623027A (en) * 1985-06-17 1986-11-18 Edward Vezirian Unsegmented rotary rock bit structure and hydraulic fitting
US4694551A (en) * 1985-12-30 1987-09-22 Cummins Engine Company, Inc. Method of remanufacturing a rock drill bit
US4666000A (en) * 1986-01-15 1987-05-19 Varel Manufacturing Co. Rock bit cutter retainer
US4722615A (en) * 1986-04-14 1988-02-02 A-Z International Tool Company Drilling apparatus and cutter therefor
US4865137A (en) * 1986-08-13 1989-09-12 Drilex Systems, Inc. Drilling apparatus and cutter
GB2194571B (en) * 1986-08-13 1990-05-16 A Z Int Tool Co Drilling apparatus and cutter
US4738323A (en) * 1986-11-14 1988-04-19 Cummins Engine Company, Inc. Thrust bearing and cone locking assembly for rock drill bit
US4874047A (en) * 1988-07-21 1989-10-17 Cummins Engine Company, Inc. Method and apparatus for retaining roller cone of drill bit
EA022167B1 (ru) * 2008-01-08 2015-11-30 Эско Корпорейшн Наконечник рабочего валка машины для разработки грунта
US8201646B2 (en) * 2009-11-20 2012-06-19 Edward Vezirian Method and apparatus for a true geometry, durable rotating drill bit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490151A (en) * 1946-09-27 1949-12-06 Reed Roller Bit Co Drill bit
US3239431A (en) * 1963-02-21 1966-03-08 Knapp Seth Raymond Rotary well bits
US4043411A (en) * 1976-11-12 1977-08-23 Dresser Industries, Inc. Rotary rock bit with the bearing pin fused to the rock bit arm
US4098150A (en) * 1977-01-24 1978-07-04 Dresser Industries, Inc. Cone locking system for a rotary rock bit
US4157122A (en) * 1977-06-22 1979-06-05 Morris William A Rotary earth boring drill and method of assembly thereof
US4127043A (en) * 1977-06-17 1978-11-28 Smith International, Inc. Rock bit with welded bearing pins
US4154094A (en) * 1977-12-29 1979-05-15 Norcross Corporation Fluid measuring apparatus

Also Published As

Publication number Publication date
IT1126419B (it) 1986-05-21
US4266622A (en) 1981-05-12
MX148814A (es) 1983-06-22

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