IT8121030V0 - Scalpello a rulli. - Google Patents

Scalpello a rulli.

Info

Publication number
IT8121030V0
IT8121030V0 IT8121030U IT2103081U IT8121030V0 IT 8121030 V0 IT8121030 V0 IT 8121030V0 IT 8121030 U IT8121030 U IT 8121030U IT 2103081 U IT2103081 U IT 2103081U IT 8121030 V0 IT8121030 V0 IT 8121030V0
Authority
IT
Italy
Prior art keywords
roller chisel
chisel
roller
Prior art date
Application number
IT8121030U
Other languages
English (en)
Inventor
Armin Olschwski
Manfred Brandenstein
Lothar Walter
Original Assignee
Skf Kugellagerfabriken Smbh
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 Skf Kugellagerfabriken Smbh filed Critical Skf Kugellagerfabriken Smbh
Publication of IT8121030V0 publication Critical patent/IT8121030V0/it

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
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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
    • 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
    • F16C19/22—Bearings 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
    • F16C19/34—Bearings 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
    • F16C19/38—Bearings 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
    • 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
    • F16C19/50—Other types of ball or roller bearings
    • F16C19/505—Other types of ball or roller bearings with the diameter of the rolling elements of one row differing from the diameter of those of another row
    • 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)
  • General 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)
  • Rolling Contact Bearings (AREA)
IT8121030U 1980-03-15 1981-03-09 Scalpello a rulli. IT8121030V0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19808007104U DE8007104U1 (de) 1980-03-15 1980-03-15 Rollenmeissel mit kegeligen schneidrollen

Publications (1)

Publication Number Publication Date
IT8121030V0 true IT8121030V0 (it) 1981-03-09

Family

ID=6713796

Family Applications (2)

Application Number Title Priority Date Filing Date
IT8121030U IT8121030V0 (it) 1980-03-15 1981-03-09 Scalpello a rulli.
IT20230/81A IT1138993B (it) 1980-03-15 1981-03-09 Scalpello a rulli

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT20230/81A IT1138993B (it) 1980-03-15 1981-03-09 Scalpello a rulli

Country Status (14)

Country Link
US (1) US4367904A (it)
AU (1) AU540858B2 (it)
BR (1) BR8101502A (it)
CA (1) CA1145325A (it)
DE (1) DE8007104U1 (it)
FR (1) FR2478235A1 (it)
GB (1) GB2071739B (it)
IE (1) IE50991B1 (it)
IT (2) IT8121030V0 (it)
MX (1) MX152080A (it)
NL (1) NL8101044A (it)
PL (1) PL127846B1 (it)
SE (1) SE8101526L (it)
ZA (1) ZA81841B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865985A (ja) * 1981-10-12 1983-04-19 Sanden Corp 流体装置
US4722404A (en) * 1987-01-28 1988-02-02 Varel Manufacturing Company Drill bit bearing seal
US4793719A (en) * 1987-11-18 1988-12-27 Smith International, Inc. Precision roller bearing rock bits
EP0335497B1 (en) * 1988-03-31 1993-04-14 Smith International, Inc. Metal-to-metal face seal for rock bits
SE8801233L (sv) * 1988-04-05 1989-10-06 Sandvik Ab Rullborrkrona
US5137097A (en) * 1990-10-30 1992-08-11 Modular Engineering Modular drill bit
US5360076A (en) * 1992-04-03 1994-11-01 Hughes Tool Company Dual metal face seal with single recessed energizer
US7117961B2 (en) * 2003-07-31 2006-10-10 Smith International, Inc. Dynamic seal with soft interface
US7347290B2 (en) * 2004-06-15 2008-03-25 Smith International, Inc. Multi-part energizer for mechanical seal assembly
US7188691B2 (en) * 2004-06-15 2007-03-13 Smith International, Inc. Metal seal with impact-absorbing ring
US7461708B2 (en) * 2004-08-16 2008-12-09 Smith International, Inc. Elastomeric seal assembly having auxiliary annular seal components
US20060065445A1 (en) * 2004-09-28 2006-03-30 Smith International, Inc. Rock-bit seals with asymmetric contact profiles
US10519720B2 (en) 2016-02-18 2019-12-31 Baker Hughes, A Ge Company, Llc Bearings for downhole tools, downhole tools incorporating such bearings, and related methods
US10119335B2 (en) * 2016-02-18 2018-11-06 Baker Hughes Incorporated Bearings for downhole tools, downhole tools incorporating such bearings, and related methods
US12031386B2 (en) * 2020-08-27 2024-07-09 Schlumberger Technology Corporation Blade cover

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1905079A (en) * 1931-11-21 1933-04-25 Hughes Tool Co Rolle cutter retaining device
GB456570A (en) * 1935-06-25 1936-11-11 Clarence Edward Reed An improved roller cutter and bearing assembly for earth boring drills
US2111732A (en) * 1936-04-23 1938-03-22 Chicago Pneumatic Tool Co Cutter and spindle assembly
US2194675A (en) * 1937-04-05 1940-03-26 David C Vance Drill bit
US2292036A (en) * 1940-06-28 1942-08-04 Chicago Pneumatic Tool Co Bearing for drill bits
US2293603A (en) * 1941-03-03 1942-08-18 Reed Roller Bit Co Roller bit
US3389760A (en) * 1966-09-01 1968-06-25 Hughes Tool Co Rolling cutters for rock formations mounted on simple beam bearings
US3480341A (en) * 1967-10-16 1969-11-25 Murphy Ind Inc G W Friction bearing
DE2841971A1 (de) * 1978-09-27 1980-04-10 Sandvik Gmbh Rollenmeissel mit schneidrollen
PL121979B1 (en) * 1978-05-31 1982-06-30 Sandvik Ab Roller auger with cutting rollers

Also Published As

Publication number Publication date
GB2071739B (en) 1983-09-21
SE8101526L (sv) 1981-09-16
IE810551L (en) 1981-09-15
BR8101502A (pt) 1981-09-15
IT8120230A0 (it) 1981-03-09
DE8007104U1 (de) 1980-06-12
FR2478235A1 (fr) 1981-09-18
PL229913A1 (it) 1981-11-13
PL127846B1 (en) 1983-11-30
AU6822581A (en) 1981-09-24
IE50991B1 (en) 1986-09-03
MX152080A (es) 1985-05-28
NL8101044A (nl) 1981-10-01
IT1138993B (it) 1986-09-17
GB2071739A (en) 1981-09-23
AU540858B2 (en) 1984-12-06
CA1145325A (en) 1983-04-26
US4367904A (en) 1983-01-11
ZA81841B (en) 1982-02-24

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