BR7702233A - Broca de perfuracao de rocha - Google Patents

Broca de perfuracao de rocha

Info

Publication number: BR7702233A
Authority: BR; Brazil
Prior art keywords: rock drilling; drilling drill; drill; rock; drilling
Prior art date: 1976-04-12

Application number

BR7702233A

Other languages

English (en)

Portuguese (pt)

Inventor

C Johansson

Original Assignee

Skf Ind Trading & Dev

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.)

1976-04-12

Filing date

1977-04-06

Publication date

1977-12-13

1977-04-06 Application filed by Skf Ind Trading & Dev filed Critical Skf Ind Trading & Dev

1977-12-13 Publication of BR7702233A publication Critical patent/BR7702233A/pt

Links

238000005553 drilling Methods 0.000 title 1
239000011435 rock Substances 0.000 title 1

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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
- E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant
- 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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)
Rolling Contact Bearings (AREA)

BR7702233A 1976-04-12 1977-04-06 Broca de perfuracao de rocha BR7702233A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NLAANVRAGE7603835,A NL179409C (nl)	1976-04-12	1976-04-12	Boorbeitel voor gesteente.

Publications (1)

Publication Number	Publication Date
BR7702233A true BR7702233A (pt)	1977-12-13

Family

ID=19826003

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR7702233A BR7702233A (pt)	1976-04-12	1977-04-06	Broca de perfuracao de rocha

Country Status (12)

Country	Link
JP (1)	JPS5936076B2 (fr)
AU (1)	AU514631B2 (fr)
BR (1)	BR7702233A (fr)
CA (1)	CA1064014A (fr)
DE (1)	DE2715788C2 (fr)
FR (1)	FR2348358A1 (fr)
GB (1)	GB1563533A (fr)
IT (1)	IT1076714B (fr)
NL (1)	NL179409C (fr)
NO (1)	NO771246L (fr)
SE (1)	SE433958B (fr)
ZA (1)	ZA772203B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2755591C2 (de) *	1977-12-14	1985-11-07	SKF GmbH, 8720 Schweinfurt	Rollenmeißel mit kegelig ausgebildeten Schneidrollen
DE2824202A1 (de) *	1978-06-02	1979-12-06	Sandvik Gmbh	Rollenmeissel mit mehreren kegeligen schneidrollen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1010406A (en) *	1909-07-15	1911-11-28	Howard Robard Hughes	Roller-drill.
US1973975A (en) *	1933-07-25	1934-09-18	Anthony E Carlson	Rotary rock bit construction
US2292036A (en) *	1940-06-28	1942-08-04	Chicago Pneumatic Tool Co	Bearing for drill bits
US2339161A (en) *	1942-07-21	1944-01-11	Reed Roller Bit Co	Cone bit construction
FR1053319A (fr) *	1952-04-02	1954-02-02	Materiel De Forage Soc De Fab	Dispositif de montage pour outils à molettes
US2831660A (en) *	1956-04-16	1958-04-22	Nat Oil Tool Co Inc	Lubricated well drill
DE1178806B (de) *	1961-05-22	1964-10-01	Hughes Tool Co	Rollenmeissel fuer ein mit gasartiger Spuelung arbeitendes Bohrverfahren
US3307645A (en) *	1964-10-20	1967-03-07	Exxon Production Research Co	Reverse bearing bit
NL179154C (nl)	1975-02-17	1986-07-16	Skf Ind Trading & Dev	Rotary boorkop.
US3921735A (en) *	1975-02-27	1975-11-25	Dresser Ind	Rotary rock bit with cone mouth air screen

1976
- 1976-04-12 NL NLAANVRAGE7603835,A patent/NL179409C/xx not_active IP Right Cessation
1977
- 1977-03-22 SE SE7703246A patent/SE433958B/xx unknown
- 1977-03-24 AU AU23597/77A patent/AU514631B2/en not_active Expired
- 1977-04-06 BR BR7702233A patent/BR7702233A/pt unknown
- 1977-04-06 NO NO771246A patent/NO771246L/no unknown
- 1977-04-07 FR FR7710618A patent/FR2348358A1/fr active Granted
- 1977-04-07 CA CA275,858A patent/CA1064014A/fr not_active Expired
- 1977-04-07 DE DE2715788A patent/DE2715788C2/de not_active Expired
- 1977-04-12 GB GB15169/77A patent/GB1563533A/en not_active Expired
- 1977-04-12 IT IT22349/77A patent/IT1076714B/it active
- 1977-04-12 ZA ZA00772203A patent/ZA772203B/xx unknown
- 1977-04-12 JP JP52041023A patent/JPS5936076B2/ja not_active Expired

Also Published As

Publication number	Publication date
AU514631B2 (en)	1981-02-19
JPS52145302A (en)	1977-12-03
DE2715788C2 (de)	1986-06-26
FR2348358B3 (fr)	1980-01-18
JPS5936076B2 (ja)	1984-09-01
GB1563533A (en)	1980-03-26
NL7603835A (nl)	1977-10-14
FR2348358A1 (fr)	1977-11-10
NO771246L (no)	1977-10-13
NL179409C (nl)	1986-09-01
DE2715788A1 (de)	1977-10-20
IT1076714B (it)	1985-04-27
SE433958B (sv)	1984-06-25
SE7703246L (sv)	1977-10-13
ZA772203B (en)	1978-03-29
NL179409B (nl)	1986-04-01
CA1064014A (fr)	1979-10-09
AU2359777A (en)	1978-09-28

Publication	Publication Date	Title
MX143362A (es)	1981-04-23	Broca de diamante mejorada para perforar la tierra
PL202404A1 (pl)	1978-07-17	Koronka wiertnicza
NO152346C (no)	1985-09-11	Offshore-system for boring av borehull
NO152378C (no)	1985-09-18	Borkrone
AT356611B (de)	1980-05-12	Bohrmeissel
PL199630A1 (pl)	1978-03-28	Wiertnica do otworow kwadratowych
NO153742C (no)	1986-05-14	Rotasjons-borkrone.
AT369505B (de)	1983-01-10	Gesteinsbohrer
AT371563B (de)	1983-07-11	Gesteinsbohrer
FI844955A7 (fi)	1985-06-20	Kallioporan terä.
NO151511C (no)	1985-04-24	Borkrone for fjellboring
NL7706233A (nl)	1978-01-16	Grondboorbeitel.
ATA467881A (de)	1983-05-15	Gesteinsbohrer
JPS5329203A (en)	1978-03-18	Rock drilling bit
BR8205983A (pt)	1983-01-11	Perfuratriz para rocha
SE423253B (sv)	1982-04-26	Bergborranordning
AT383182B (de)	1987-05-25	Gesteinsbohrer
MX143147A (es)	1981-03-25	Broca de barrena mejorada
BR7901267A (pt)	1979-10-09	Perfuratriz para rocha
BR7702233A (pt)	1977-12-13	Broca de perfuracao de rocha
ATA359178A (de)	1980-04-15	Bohrkrone
MX148836A (es)	1983-06-24	Broca mejorada para la perforacion de tierra
SE7713089L (sv)	1978-06-25	Bergborrverktyg
ZA761651B (en)	1977-07-27	Rock drilling rigs
BR7700553A (pt)	1978-08-15	Aperfeicoamento em broca para perfuracao de terra