NL7906899A - Boorkop met verscheidene snijrollen. - Google Patents

Boorkop met verscheidene snijrollen. Download PDF

Info

Publication number
NL7906899A
NL7906899A NL7906899A NL7906899A NL7906899A NL 7906899 A NL7906899 A NL 7906899A NL 7906899 A NL7906899 A NL 7906899A NL 7906899 A NL7906899 A NL 7906899A NL 7906899 A NL7906899 A NL 7906899A
Authority
NL
Netherlands
Prior art keywords
conical
bearing
cutting roller
raceway
rollers
Prior art date
Application number
NL7906899A
Other languages
English (en)
Dutch (nl)
Original Assignee
Sandvik Ab
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 Sandvik Ab filed Critical Sandvik Ab
Publication of NL7906899A publication Critical patent/NL7906899A/nl

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/30Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/22Roller bits characterised by bearing, lubrication or sealing details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F16C19/381Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with at least one row for radial load in combination with at least one row for axial load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54Systems consisting of a plurality of bearings with rolling friction
    • F16C19/545Systems comprising at least one rolling bearing for radial load in combination with at least one rolling bearing for axial load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Rolling Contact Bearings (AREA)
  • Earth Drilling (AREA)
NL7906899A 1978-09-23 1979-09-17 Boorkop met verscheidene snijrollen. NL7906899A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE7828401 1978-09-23
DE19787828401U DE7828401U1 (de) 1978-09-23 1978-09-23 Rollenmeissel mit mehreren schneidrollen

Publications (1)

Publication Number Publication Date
NL7906899A true NL7906899A (nl) 1980-03-25

Family

ID=6695410

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7906899A NL7906899A (nl) 1978-09-23 1979-09-17 Boorkop met verscheidene snijrollen.

Country Status (14)

Country Link
US (1) US4255000A (sv)
AU (1) AU525444B2 (sv)
BR (1) BR7906060A (sv)
CA (1) CA1111832A (sv)
DE (1) DE7828401U1 (sv)
FR (1) FR2436871A1 (sv)
GB (1) GB2030619B (sv)
IE (1) IE48841B1 (sv)
IT (2) IT7922223V0 (sv)
MX (1) MX148248A (sv)
NL (1) NL7906899A (sv)
PL (1) PL123561B1 (sv)
SE (1) SE440253B (sv)
ZA (1) ZA793731B (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2465427C1 (ru) * 2011-09-26 2012-10-27 Николай Митрофанович Панин Опора шарошечного долота

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793719A (en) * 1987-11-18 1988-12-27 Smith International, Inc. Precision roller bearing rock bits
SE509323C2 (sv) * 1991-12-12 1999-01-11 Sandvik Ab Förfarande för att tillverka ett nav avsett att utgöra en del av en skärrulle
JP2001295576A (ja) * 2000-04-12 2001-10-26 Japan National Oil Corp ビット装置
DE102007013482A1 (de) 2007-03-21 2008-10-09 Ab Skf Kegelrollenlager
WO2008141138A2 (en) * 2007-05-10 2008-11-20 The Timken Company Cutting head bearing arrangement for blast hole drilling machine
USD1044437S1 (en) * 2020-06-30 2024-10-01 Husqvarna Ab Brushcutter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673128A (en) * 1949-10-08 1954-03-23 Clarence E Reed Earth-boring drill
US2664322A (en) * 1950-10-09 1953-12-29 Reed Roller Bit Co Roller bit
US3656764A (en) * 1970-08-31 1972-04-18 William P Robinson Drill bit seal assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2465427C1 (ru) * 2011-09-26 2012-10-27 Николай Митрофанович Панин Опора шарошечного долота

Also Published As

Publication number Publication date
AU4918679A (en) 1980-04-03
IE48841B1 (en) 1985-05-29
MX148248A (es) 1983-03-30
GB2030619A (en) 1980-04-10
IT7922223V0 (it) 1979-07-27
PL217749A1 (sv) 1980-05-19
ZA793731B (en) 1980-07-30
SE440253B (sv) 1985-07-22
IT1212367B (it) 1989-11-22
US4255000A (en) 1981-03-10
FR2436871A1 (fr) 1980-04-18
IT7924725A0 (it) 1979-07-27
PL123561B1 (en) 1982-10-30
SE7907113L (sv) 1980-03-24
IE791798L (en) 1980-03-23
AU525444B2 (en) 1982-11-04
CA1111832A (en) 1981-11-03
BR7906060A (pt) 1980-05-27
DE7828401U1 (de) 1979-01-04
FR2436871B1 (sv) 1983-12-09
GB2030619B (en) 1982-08-11

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BV The patent application has lapsed