SE7907113L - Rullborrkrona med flera skerrullar - Google Patents

Rullborrkrona med flera skerrullar

Info

Publication number: SE7907113L
Authority: SE; Sweden
Prior art keywords: bearing; trunnion; multiple cutting; cutting rolls; races
Prior art date: 1978-09-23

Application number

SE7907113A

Other languages

Unknown language ( )

English (en)

Other versions

SE440253B (sv

Inventor

A Olschewski

L Walter

M Brandenstein

H Kunkel

G Norlander

Original Assignee

Skf Ab

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.)

1978-09-23

Filing date

1979-08-27

Publication date

1980-03-24

1979-08-27 Application filed by Skf Ab, Sandvik Ab filed Critical Skf Ab

1980-03-24 Publication of SE7907113L publication Critical patent/SE7907113L/sv

1985-07-22 Publication of SE440253B publication Critical patent/SE440253B/sv

Classifications

- 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
- F16C19/30—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 axial load mainly
- 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
- F16C19/381—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 with at least one row for radial load in combination with at least one row for axial load
- 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
- F16C19/545—Systems comprising at least one rolling bearing for radial load in combination with at least one rolling bearing for axial load
- 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)
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)

SE7907113A 1978-09-23 1979-08-27 Rullborrkrona med koniskt axialrullager SE440253B (sv)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
SE7907113L true SE7907113L (sv)	1980-03-24
SE440253B SE440253B (sv)	1985-07-22

Family

ID=6695410

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7907113A SE440253B (sv)	1978-09-23	1979-08-27	Rullborrkrona med koniskt axialrullager

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)

Families Citing this family (7)

* 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
RU2465427C1 (ru) *	2011-09-26	2012-10-27	Николай Митрофанович Панин	Опора шарошечного долота
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

1978
- 1978-09-23 DE DE19787828401U patent/DE7828401U1/de not_active Expired
1979
- 1979-07-20 US US06/059,452 patent/US4255000A/en not_active Expired - Lifetime
- 1979-07-20 ZA ZA00793731A patent/ZA793731B/xx unknown
- 1979-07-24 AU AU49186/79A patent/AU525444B2/en not_active Ceased
- 1979-07-26 GB GB7926139A patent/GB2030619B/en not_active Expired
- 1979-07-27 IT IT7922223U patent/IT7922223V0/it unknown
- 1979-07-27 IT IT7924725A patent/IT1212367B/it active
- 1979-08-14 PL PL1979217749A patent/PL123561B1/pl unknown
- 1979-08-27 SE SE7907113A patent/SE440253B/sv not_active IP Right Cessation
- 1979-09-17 NL NL7906899A patent/NL7906899A/nl not_active Application Discontinuation
- 1979-09-19 MX MX179339A patent/MX148248A/es unknown
- 1979-09-19 CA CA335,945A patent/CA1111832A/en not_active Expired
- 1979-09-20 FR FR7923446A patent/FR2436871A1/fr active Granted
- 1979-09-21 IE IE1798/79A patent/IE48841B1/en unknown
- 1979-09-21 BR BR7906060A patent/BR7906060A/pt unknown

Also Published As

Publication number	Publication date
IE48841B1 (en)	1985-05-29
AU4918679A (en)	1980-04-03
PL217749A1 (sv)	1980-05-19
FR2436871B1 (sv)	1983-12-09
PL123561B1 (en)	1982-10-30
DE7828401U1 (de)	1979-01-04
GB2030619B (en)	1982-08-11
IE791798L (en)	1980-03-23
NL7906899A (nl)	1980-03-25
BR7906060A (pt)	1980-05-27
IT1212367B (it)	1989-11-22
ZA793731B (en)	1980-07-30
US4255000A (en)	1981-03-10
AU525444B2 (en)	1982-11-04
CA1111832A (en)	1981-11-03
FR2436871A1 (fr)	1980-04-18
SE440253B (sv)	1985-07-22
GB2030619A (en)	1980-04-10
IT7924725A0 (it)	1979-07-27
MX148248A (es)	1983-03-30
IT7922223V0 (it)	1979-07-27

Publication	Publication Date	Title
SE9702560D0 (sv)	1997-07-02	Skärenhetsmontage försett med ett flertal oberoende roterbara skärenheter
IT986160B (it)	1975-01-20	Perfezionamento nei cuscinetti a rotolamento
KR900005090A (ko)	1990-04-13	유니버설 조인트
SE8101526L (sv)	1981-09-16	Rullborrkrona med koniska skerrullar
SE7907113L (sv)	1980-03-24	Rullborrkrona med flera skerrullar
IT1174653B (it)	1987-07-01	Scalpello a rulli
DK216988A (da)	1988-10-23	Driv- og lejeindretning til et rundskaereapparats skaerehoved
SE7607576L (sv)	1976-07-01	Forfarande for framstellning av radial- och axiallager
ATE134252T1 (de)	1996-02-15	Lageraufbau mit einem mehrteiligen laufring
GB781282A (en)	1957-08-14	Improved rotary cutting head for a boring machine
GB1231309A (sv)	1971-05-12
DE3766758D1 (de)	1991-01-31	Walze mit drehbarem walzenmantel.
GB1436265A (en)	1976-05-19	Guide roller for roller guides
FR2444225A1 (fr)	1980-07-11	Dispositif de roulement ameliorant la lubrification
ES228587U (es)	1977-07-01	Ruedecilla giratoria de apoyo.
SE7904516L (sv)	1979-12-01	Rullborrkrona med skerrullar
GB960100A (en)	1964-06-10	Bearings
ES434058A1 (es)	1976-12-16	Un montaje de rodillos, con cojinetes de bolas, para maqui-nas continuas de hilar.
JPS5824667Y2 (ja)	1983-05-27	ころがり伝動式遊星ロ−ラ装置
GB1176272A (en)	1970-01-01	Cageless Roller Bearing for the Spider Journals of Universal Joints or the like
GB1084403A (en)	1967-09-20	Twin pressure-roller unit with ball bearing
GB2008204A (en)	1979-05-31	Bearings
FR2297354A1 (fr)	1976-08-06	Palier
GB1249750A (en)	1971-10-13	Bearing device
SU796700A1 (ru)	1981-01-15	Способ контрол качества подшипникаКАчЕНи

Legal Events

Date	Code	Title	Description
1995-01-31	NUG	Patent has lapsed	Ref document number: 7907113-0 Effective date: 19920306 Format of ref document f/p: F

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 7907113-0

Effective date: 19920306

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