GB2026576B - Earth boring bit with eccentrically machined bearing pin - Google Patents

Earth boring bit with eccentrically machined bearing pin

Info

Publication number: GB2026576B
Authority: GB; United Kingdom
Prior art keywords: bearing pin; earth boring; boring bit; machined bearing; eccentrically machined
Prior art date: 1978-07-24
Legal status (The legal status 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 status listed.): Expired

Application number

GB7924271A

Other versions

GB2026576A (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Dresser Industries Inc

Original Assignee

Dresser Industries 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.)

1978-07-24

Filing date

1979-07-12

Publication date

1982-12-15

1979-07-12 Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc

1980-02-06 Publication of GB2026576A publication Critical patent/GB2026576A/en

1982-12-15 Application granted granted Critical

1982-12-15 Publication of GB2026576B publication Critical patent/GB2026576B/en

Status Expired legal-status Critical Current

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
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
- 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)
Geology (AREA)
Mining & Mineral Resources (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
Environmental & Geological Engineering (AREA)
Physics & Mathematics (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)
Manufacturing Of Electric Cables (AREA)
Saccharide Compounds (AREA)
Signal Processing For Digital Recording And Reproducing (AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

GB7924271A 1978-07-24 1979-07-12 Earth boring bit with eccentrically machined bearing pin Expired GB2026576B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US92769678A	1978-07-24	1978-07-24

Publications (2)

Publication Number	Publication Date
GB2026576A GB2026576A (en)	1980-02-06
GB2026576B true GB2026576B (en)	1982-12-15

Family

ID=25455101

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7924271A Expired GB2026576B (en)	1978-07-24	1979-07-12	Earth boring bit with eccentrically machined bearing pin

Country Status (10)

Country	Link
JP (1)	JPS5519400A (en)
CA (1)	CA1095505A (en)
DE (1)	DE2929568A1 (en)
FR (1)	FR2441048A1 (en)
GB (1)	GB2026576B (en)
IT (1)	IT1117791B (en)
MX (1)	MX150790A (en)
NL (1)	NL7904731A (en)
NO (1)	NO791605L (en)
PL (1)	PL120433B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE8002813L (en) *	1980-04-15	1981-10-16	Sandvik Ab	STORAGE DEVICE FOR ROTARY DRILL CHRONICLE
US7086487B2 (en) *	2002-07-01	2006-08-08	Baker Hughes Incorporated	Anti-mud packing seal gland
CN109026009B (en) *	2018-10-17	2023-11-21	中南大学	Mining head for cobalt-rich crust of submarine mineral resources

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE673486A (en) *
US3384426A (en) *	1965-05-14	1968-05-21	Reed Roller Bit Co	Contoured race for roller bearings
FR1459030A (en) *	1965-08-17	1966-04-29	Hughes Tool Co	Bearing system, especially for drill bits
US3746405A (en) *	1971-11-18	1973-07-17	Globe Oil Tools Co	Well drilling bit lubrication and seal
US3890018A (en) *	1974-07-19	1975-06-17	Dresser Ind	Rotary rock bit with wiper pad lubrication system
US4061376A (en) *	1976-06-14	1977-12-06	Smith International Inc.	Rock bit bearing structure

1979
- 1979-05-14 NO NO791605A patent/NO791605L/en unknown
- 1979-06-12 CA CA329,555A patent/CA1095505A/en not_active Expired
- 1979-06-18 NL NL7904731A patent/NL7904731A/en not_active Application Discontinuation
- 1979-07-05 IT IT49664/79A patent/IT1117791B/en active
- 1979-07-12 GB GB7924271A patent/GB2026576B/en not_active Expired
- 1979-07-19 DE DE19792929568 patent/DE2929568A1/en not_active Withdrawn
- 1979-07-19 JP JP9210579A patent/JPS5519400A/en active Pending
- 1979-07-19 PL PL1979217220A patent/PL120433B1/en unknown
- 1979-07-20 FR FR7918795A patent/FR2441048A1/en active Pending
- 1979-07-24 MX MX178614A patent/MX150790A/en unknown

Also Published As

Publication number	Publication date
IT7949664A0 (en)	1979-07-05
IT1117791B (en)	1986-02-24
DE2929568A1 (en)	1980-02-07
NO791605L (en)	1980-01-25
JPS5519400A (en)	1980-02-12
NL7904731A (en)	1980-01-28
PL217220A1 (en)	1980-04-08
PL120433B1 (en)	1982-02-27
FR2441048A1 (en)	1980-06-06
GB2026576A (en)	1980-02-06
MX150790A (en)	1984-07-19
CA1095505A (en)	1981-02-10

Publication	Publication Date	Title
GB2020715B (en)	1982-06-09	Earth boring bit
AU504432B2 (en)	1979-10-11	Earth boring bit
GB2084631B (en)	1984-06-20	Earth boring bit
GB2031047B (en)	1982-09-15	Drill bit insert
GB2027775B (en)	1982-08-11	Earth boring bit
GB1544033A (en)	1979-04-11	Earth bore drilling
EP0193486A3 (en)	1988-01-07	Earth boring bit with bearing sleeve
AU505302B2 (en)	1979-11-15	Power boring bits
GB2022476B (en)	1982-04-07	Rotary boring bit
EP0317089A3 (en)	1990-01-31	Rock drill bit with roller bearings
ZA773155B (en)	1978-04-26	Rock bit bearing structure
GB2016552B (en)	1982-08-04	Rolling cutter drill bit
GB2050470B (en)	1983-03-09	Earth boring drill bit
AU515597B2 (en)	1981-04-09	Rotary drill bit bearing
AU8514282A (en)	1983-02-03	Rock bit with bearing lubricant reservoir
AU504704B2 (en)	1979-10-25	Earth boring drill bit
GB2083528B (en)	1984-07-04	Earth boring bit with extended gage
GB2021664B (en)	1982-07-28	Earth boring bits
GB2025540B (en)	1982-10-06	Earth boring bit seals
GB2093498B (en)	1985-01-09	Earth boring bit with cooled journal bearing
GB2085049B (en)	1984-07-25	Earth boring bit
GB2030619B (en)	1982-08-11	Drill bit with bearing supported cutters
GB2043747B (en)	1983-05-25	Drilling boreholes
GB2026576B (en)	1982-12-15	Earth boring bit with eccentrically machined bearing pin
GB2045315B (en)	1982-12-22	Earth boring bit with eccentrically formed bearing surface

Legal Events

Date	Code	Title	Description
1985-03-06	PCNP	Patent ceased through non-payment of renewal fee