SE7514252L - Utbytbart lager- och skeraggregat for en borrspets - Google Patents

Utbytbart lager- och skeraggregat for en borrspets

Info

Publication number
SE7514252L
SE7514252L SE7514252A SE7514252A SE7514252L SE 7514252 L SE7514252 L SE 7514252L SE 7514252 A SE7514252 A SE 7514252A SE 7514252 A SE7514252 A SE 7514252A SE 7514252 L SE7514252 L SE 7514252L
Authority
SE
Sweden
Prior art keywords
replacable
storage
drill tip
shear unit
shear
Prior art date
Application number
SE7514252A
Other languages
English (en)
Inventor
Jr P W Schumacher
Original Assignee
Murphy G W Ind Inc
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 Murphy G W Ind Inc filed Critical Murphy G W Ind Inc
Publication of SE7514252L publication Critical patent/SE7514252L/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
    • E21B10/08—Roller bits
    • E21B10/10—Roller bits with roller axle supported at both ends
    • 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

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)
  • Mounting Of Bearings Or Others (AREA)
SE7514252A 1971-08-20 1975-12-17 Utbytbart lager- och skeraggregat for en borrspets SE7514252L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17345171A 1971-08-20 1971-08-20

Publications (1)

Publication Number Publication Date
SE7514252L true SE7514252L (sv) 1975-12-17

Family

ID=22632096

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7209951A SE392499B (sv) 1971-08-20 1972-07-31 Borrhuvud
SE7514252A SE7514252L (sv) 1971-08-20 1975-12-17 Utbytbart lager- och skeraggregat for en borrspets

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE7209951A SE392499B (sv) 1971-08-20 1972-07-31 Borrhuvud

Country Status (7)

Country Link
US (1) US3749188A (sv)
JP (1) JPS5310521B2 (sv)
AU (1) AU460979B2 (sv)
CA (1) CA983010A (sv)
DE (1) DE2238978B2 (sv)
SE (2) SE392499B (sv)
ZA (1) ZA725246B (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921734A (en) * 1972-10-17 1975-11-25 Kennametal Inc Raise boring head and rolling cutter arrangement therefor
US3851718A (en) * 1972-11-09 1974-12-03 Jarva Inc Roller cutter
US3835944A (en) * 1973-06-12 1974-09-17 Hard Metals Ltd Cutting unit for use on rock boring machines
SE415994B (sv) * 1975-01-27 1980-11-17 Sandvik Ab Anordning vid rullborrkronor
DE2809951C3 (de) * 1978-03-08 1982-04-15 Mannesmann AG, 4000 Düsseldorf Bohrkopf für Tunnelvortriebsmaschinen
US4193637A (en) * 1978-08-07 1980-03-18 The Robbins Company Rotary cutterhead for an earth boring machine
USRE31511E (en) 1978-08-07 1984-01-31 The Robbins Company Rotary cutterhead for an earth boring machine
US4760890A (en) * 1987-05-18 1988-08-02 Tamrock Inc. Cutter assembly for rotary boring of earth
US5421422A (en) * 1993-11-19 1995-06-06 Boretec Inc Roller cutter mount for tunneling machine
US5487435A (en) * 1994-07-07 1996-01-30 Baker Hughes Incorporated Mounting system for raise and shaft cutters
AT413047B (de) 2002-01-23 2005-10-15 Voest Alpine Bergtechnik Träger für eine fliegende schneiddiskenlagerung
WO2010033097A1 (en) * 2008-09-16 2010-03-25 Stu Blattner, Inc. Earth-boring cutter mount and assembly
CN104110262A (zh) * 2014-07-21 2014-10-22 洛阳理工学院 一种用于tbm的钻滚结合的刀盘结构
CN112796762A (zh) * 2021-01-15 2021-05-14 中煤特殊凿井有限责任公司 一种适用于大型竖井钻机钻头使用的滚刀刀座组件

Also Published As

Publication number Publication date
DE2238978B2 (de) 1978-03-09
JPS5310521B2 (sv) 1978-04-14
ZA725246B (en) 1973-04-25
SE392499B (sv) 1977-03-28
US3749188A (en) 1973-07-31
JPS4829601A (sv) 1973-04-19
AU4514772A (en) 1974-02-07
DE2238978A1 (de) 1973-03-29
AU460979B2 (en) 1975-05-15
CA983010A (en) 1976-02-03

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