IT8120230A0 - Scalpello a rulli. - Google Patents

Scalpello a rulli.

Info

Publication number: IT8120230A0
Authority: IT; Italy
Prior art keywords: roller chisel; chisel; roller
Prior art date: 1980-03-15

Application number

IT8120230A

Other languages

English (en)

Other versions

IT1138993B (it

Inventor

Armin Olschwski

Manfred Brandenstein

Lothar Walter

Original Assignee

Skf Kugellagerfabriken Gmbh

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.)

1980-03-15

Filing date

1981-03-09

Publication date

1981-03-09

1981-03-09 Application filed by Skf Kugellagerfabriken Gmbh filed Critical Skf Kugellagerfabriken Gmbh

1981-03-09 Publication of IT8120230A0 publication Critical patent/IT8120230A0/it

1986-09-17 Application granted granted Critical

1986-09-17 Publication of IT1138993B publication Critical patent/IT1138993B/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)

IT20230/81A 1980-03-15 1981-03-09 Scalpello a rulli IT1138993B (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 (2)

Publication Number	Publication Date
IT8120230A0 true IT8120230A0 (it)	1981-03-09
IT1138993B IT1138993B (it)	1986-09-17

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 Before (1)

Application Number	Title	Priority Date	Filing Date
IT8121030U IT8121030V0 (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
DE68905949T2 (de) *	1988-03-31	1993-07-22	Smith International	Metallische dichtung fuer gesteinsbohrmeissel.
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
US10119335B2 (en) *	2016-02-18	2018-11-06	Baker Hughes Incorporated	Bearings for downhole tools, downhole tools incorporating such bearings, and related methods
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
CN116507788B (zh) *	2020-08-27	2026-07-28	斯伦贝谢技术有限公司	刀片盖

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
PL121979B1 (en) *	1978-05-31	1982-06-30	Sandvik Ab	Roller auger with cutting rollers
DE2841971A1 (de) *	1978-09-27	1980-04-10	Sandvik Gmbh	Rollenmeissel mit schneidrollen

1980
- 1980-03-15 DE DE19808007104U patent/DE8007104U1/de not_active Expired
1981
- 1981-02-09 ZA ZA00810841A patent/ZA81841B/xx unknown
- 1981-02-27 PL PL1981229913A patent/PL127846B1/pl unknown
- 1981-03-04 NL NL8101044A patent/NL8101044A/nl not_active Application Discontinuation
- 1981-03-05 GB GB8106999A patent/GB2071739B/en not_active Expired
- 1981-03-05 US US06/240,993 patent/US4367904A/en not_active Expired - Fee Related
- 1981-03-09 IT IT8121030U patent/IT8121030V0/it unknown
- 1981-03-09 IT IT20230/81A patent/IT1138993B/it active
- 1981-03-10 SE SE8101526A patent/SE8101526L/ not_active Application Discontinuation
- 1981-03-10 AU AU68225/81A patent/AU540858B2/en not_active Ceased
- 1981-03-10 FR FR8104783A patent/FR2478235A1/fr active Pending
- 1981-03-13 CA CA000372947A patent/CA1145325A/en not_active Expired
- 1981-03-13 MX MX186374A patent/MX152080A/es unknown
- 1981-03-13 IE IE551/81A patent/IE50991B1/en unknown
- 1981-03-13 BR BR8101502A patent/BR8101502A/pt unknown

Also Published As

Publication number	Publication date
US4367904A (en)	1983-01-11
IE810551L (en)	1981-09-15
CA1145325A (en)	1983-04-26
GB2071739A (en)	1981-09-23
BR8101502A (pt)	1981-09-15
AU6822581A (en)	1981-09-24
SE8101526L (sv)	1981-09-16
ZA81841B (en)	1982-02-24
AU540858B2 (en)	1984-12-06
FR2478235A1 (fr)	1981-09-18
IT1138993B (it)	1986-09-17
PL229913A1 (it)	1981-11-13
MX152080A (es)	1985-05-28
IT8121030V0 (it)	1981-03-09
PL127846B1 (en)	1983-11-30
GB2071739B (en)	1983-09-21
DE8007104U1 (de)	1980-06-12
IE50991B1 (en)	1986-09-03
NL8101044A (nl)	1981-10-01

Publication	Publication Date	Title
NO161806C (no)	1989-09-27	Belegningsmiddel.
NL182543C (nl)	1988-04-05	Ringvormige gatenboor.
IT8119762A0 (it)	1981-02-13	Apparato a tastiera.
NO810075L (no)	1981-07-13	Borkrone.
BE888382A (fr)	1981-07-31	Fenetre a tabatiere,
IT8121030V0 (it)	1981-03-09	Scalpello a rulli.
IT8124771A0 (it)	1981-10-29	Trapano a percussione.
ES270000Y (es)	1984-02-01	Un bramante.
IT7827965A0 (it)	1978-09-22	Scalpello a rulli.
ES267151Y (es)	1983-08-16	Un encuadernador de hojas sueltas.
NO152812C (no)	1985-11-20	Forbrenningsovn.
NO810130L (no)	1981-07-17	Rullegardinholder.
NO157988C (no)	1988-06-22	Riggmontert broennboreapparat.
NO811772L (no)	1981-11-30	Borkrone.
IT8122272A0 (it)	1981-06-11	Stampatrice.
IT8183447A0 (it)	1981-08-03	Dispositivo a percussione.
IT8124805A0 (it)	1981-10-30	Elettrofotocopiatrice per disegni tecnici.
IT7922644A0 (it)	1979-05-14	Scalpello a rulli con rulli di taglio.
ES267888Y (es)	1984-02-01	Un cucurucho.
FI813840A7 (fi)	1982-06-04	Erityisen muodon omaava asetin.
FI813839A7 (fi)	1982-06-04	Nenärenkaita varten tarkoitettu erityisen muodon omaava kestokappale.
IT8141675A0 (it)	1981-10-22	Pattini a rotelle.
RO78507A2 (ro)	1982-03-24	Grapa cu discuri rabatabila
NO811356L (no)	1981-12-28	Borkrone.
ES258301Y (es)	1982-08-01	Un zueco.