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SE404053B - Sett och anordning for att reglera en jernmalmskulsintring och en kulbehandlingsoperation - Google Patents

Sett och anordning for att reglera en jernmalmskulsintring och en kulbehandlingsoperation

Info

Publication number
SE404053B
SE404053B SE7310792A SE7310792A SE404053B SE 404053 B SE404053 B SE 404053B SE 7310792 A SE7310792 A SE 7310792A SE 7310792 A SE7310792 A SE 7310792A SE 404053 B SE404053 B SE 404053B
Authority
SE
Sweden
Prior art keywords
bulb
interruption
regulating
methods
iron ore
Prior art date
Application number
SE7310792A
Other languages
English (en)
Inventor
M Sasaki
K Ito
K Minamida
K Fujita
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of SE404053B publication Critical patent/SE404053B/sv

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
    • 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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Road Repair (AREA)
SE7310792A 1972-08-10 1973-08-07 Sett och anordning for att reglera en jernmalmskulsintring och en kulbehandlingsoperation SE404053B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00279698A US3805901A (en) 1972-08-10 1972-08-10 Earth cutter assembly

Publications (1)

Publication Number Publication Date
SE404053B true SE404053B (sv) 1978-09-18

Family

ID=23070054

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7310792A SE404053B (sv) 1972-08-10 1973-08-07 Sett och anordning for att reglera en jernmalmskulsintring och en kulbehandlingsoperation

Country Status (5)

Country Link
US (1) US3805901A (sv)
CA (1) CA993859A (sv)
DE (1) DE2339855C3 (sv)
SE (1) SE404053B (sv)
ZA (1) ZA735283B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917009A (en) * 1974-09-16 1975-11-04 Dresser Ind Removable stem for raise bits
US3945447A (en) * 1974-09-16 1976-03-23 Rapidex, Inc. Boring apparatus
CA1108119A (en) * 1978-10-06 1981-09-01 Gerald F. Wilemon Large diameter bit with bridge mounted drive stem
SE463110B (sv) * 1979-02-02 1990-10-08 Sandvik Ab Saett och anordning foer stigortsdrivning
US4248314A (en) * 1979-05-29 1981-02-03 Hughes Tool Company Shaft drill bit with overlapping cutter arrangement
US4381038A (en) * 1980-11-21 1983-04-26 The Robbins Company Raise bit with cutters stepped in a spiral and flywheel
US5366029A (en) * 1993-04-09 1994-11-22 Beck Iii August H Large shaft over-reamer apparatus and method
US5485888A (en) * 1993-05-17 1996-01-23 R. H. Woods, Ltd. Spherical reaming bit
SA108290829B1 (ar) * 2007-12-21 2012-01-24 بيكر هوغيس انكوربوريتد مثقاب ذو هيكل قطع متوازن يستخدم في حفر الآبار

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US27597A (en) * 1860-03-20 notes
US2949281A (en) * 1957-09-06 1960-08-16 Hughes Tool Co Large diameter earth boring drill
US3139148A (en) * 1959-04-17 1964-06-30 Goodman Mfg Co Rotary boring head having roller cutter disks
US3283836A (en) * 1964-08-17 1966-11-08 Exxon Production Research Co Diamond-type drill bit
US3385385A (en) * 1966-04-01 1968-05-28 Reed Roller Bit Co Drill bit
US3570613A (en) * 1969-03-27 1971-03-16 Lawrence Mfg Co Gage cutter
FR2058822A5 (sv) * 1969-09-29 1971-05-28 Petroles Cie Francaise
US3638740A (en) * 1970-03-30 1972-02-01 Murphy Ind Inc G W Raise drilling bit
US3675729A (en) * 1970-05-08 1972-07-11 Smith International Bit lubrication system
US3698491A (en) * 1971-02-02 1972-10-17 Atlantic Richfield Co Drilling method and bit
US3726350A (en) * 1971-05-24 1973-04-10 Hughes Tool Co Anti-tracking earth boring drill

Also Published As

Publication number Publication date
DE2339855C3 (de) 1978-04-20
DE2339855A1 (de) 1974-02-21
ZA735283B (en) 1974-11-27
CA993859A (en) 1976-07-27
AU5768973A (en) 1975-01-09
DE2339855B2 (de) 1977-09-15
US3805901A (en) 1974-04-23

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