NO156952B - DRILL CUTS WITH EQUALLY DISTRIBUTED STEEL INSERT. - Google Patents

DRILL CUTS WITH EQUALLY DISTRIBUTED STEEL INSERT.

Info

Publication number: NO156952B
Authority: NO; Norway
Prior art keywords: equally distributed; steel insert; distributed steel; drill cuts; drill
Prior art date: 1980-06-23

Application number

NO811356A

Other languages

Norwegian (no)

Other versions

NO156952C (en

NO811356L (en

Inventor

Rudolf Carl Otto Pessier

Rodolfo M Ippolito

Billy E Baker

Original Assignee

Hughes Tool Co

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.)

1980-06-23

Filing date

1981-04-22

Publication date

1987-09-14

1981-04-22 Application filed by Hughes Tool Co filed Critical Hughes Tool Co

1981-12-28 Publication of NO811356L publication Critical patent/NO811356L/en

1987-09-14 Publication of NO156952B publication Critical patent/NO156952B/en

1987-12-23 Publication of NO156952C publication Critical patent/NO156952C/en

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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
- 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
- E21B10/16—Roller bits characterised by tooth form or arrangement

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)
Excavating Of Shafts Or Tunnels (AREA)

NO811356A 1980-06-23 1981-04-22 DRILLING SHEETS WITH EVENLY DISTRIBUTED STEEL INSERTS. NO156952C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US16197780A	1980-06-23	1980-06-23

Publications (3)

Publication Number	Publication Date
NO811356L NO811356L (en)	1981-12-28
NO156952B true NO156952B (en)	1987-09-14
NO156952C NO156952C (en)	1987-12-23

Family

ID=22583644

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO811356A NO156952C (en)	1980-06-23	1981-04-22	DRILLING SHEETS WITH EVENLY DISTRIBUTED STEEL INSERTS.

Country Status (8)

Country	Link
JP (1)	JPS5715796A (en)
AU (1)	AU543784B2 (en)
CA (1)	CA1154752A (en)
DE (1)	DE3117268A1 (en)
GB (1)	GB2078826B (en)
NO (1)	NO156952C (en)
SE (1)	SE448015B (en)
ZA (1)	ZA812521B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE29907492U1 (en) *	1999-04-29	2000-09-28	Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 41812 Erkelenz	Soil loosening tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2230569A (en) *	1939-12-20	1941-02-04	Globe Oil Tools Co	Roller cutter
US2774571A (en) *	1954-07-06	1956-12-18	Hughes Tool Co	Cone type well drill
US3726350A (en) *	1971-05-24	1973-04-10	Hughes Tool Co	Anti-tracking earth boring drill
US3871488A (en) *	1974-02-13	1975-03-18	Daniel R Sabre	Rock drilling
US4187922A (en) *	1978-05-12	1980-02-12	Dresser Industries, Inc.	Varied pitch rotary rock bit

1981
- 1981-02-27 CA CA000371949A patent/CA1154752A/en not_active Expired
- 1981-04-14 SE SE8102397A patent/SE448015B/en not_active IP Right Cessation
- 1981-04-15 ZA ZA00812521A patent/ZA812521B/en unknown
- 1981-04-16 AU AU69615/81A patent/AU543784B2/en not_active Expired
- 1981-04-21 GB GB8112352A patent/GB2078826B/en not_active Expired
- 1981-04-22 NO NO811356A patent/NO156952C/en unknown
- 1981-04-30 DE DE19813117268 patent/DE3117268A1/en active Granted
- 1981-04-30 JP JP6614481A patent/JPS5715796A/en active Granted

Also Published As

Publication number	Publication date
AU6961581A (en)	1982-01-07
ZA812521B (en)	1982-04-28
JPS5715796A (en)	1982-01-27
CA1154752A (en)	1983-10-04
SE8102397L (en)	1981-12-24
NO156952C (en)	1987-12-23
SE448015B (en)	1987-01-12
GB2078826B (en)	1983-12-07
DE3117268A1 (en)	1982-04-15
AU543784B2 (en)	1985-05-02
JPH0258433B2 (en)	1990-12-07
DE3117268C2 (en)	1991-06-06
GB2078826A (en)	1982-01-13
NO811356L (en)	1981-12-28

Publication	Publication Date	Title
DE3578941D1 (en)	1990-09-06	CUTTING INSERT.
NL182543B (en)	1987-11-02	RING-HOLE DRILL.
NO157387C (en)	1988-03-09	Bit.
NO810835L (en)	1981-12-21	RING HOLE CUTTING TOOL.
NL191456C (en)	1995-07-18	Masonry drill bit.
FI851403A7 (en)	1985-11-04	Cutting unit.
DE3022104A1 (en)	1981-12-17	CUTTING TOOL WITH INSERT
ATE11240T1 (en)	1985-02-15	CUTTING TOOL.
DE3671181D1 (en)	1990-06-21	CUTTING INSERT.
FI810926A7 (en)	1981-10-04	Rock drill.
NO811654L (en)	1981-11-20	WINDOW WITH TRANSMISSION CUTTING.
NL190925C (en)	1994-11-01	Drilling tools.
DE3580336D1 (en)	1990-12-06	CUTTING TOOL.
BE883885A (en)	1980-10-16	DRILLING TOOLS.
NO811353L (en)	1982-01-22	RING HOLE CUTTERS.
NO157988C (en)	1988-06-22	RIGGON-MOUNTED BROWN DRILL.
IT8220837V0 (en)	1982-02-12	CUTTING INSERT.
NL8102171A (en)	1981-12-01	DRILLING METHOD.
NO158962C (en)	1988-11-16	Bit.
NO158589C (en)	1988-10-05	DRILL CORON WITH ROLLER CUTTERS.
FI814060A7 (en)	1982-06-20	Length cutter.
NL188272C (en)	1992-05-18	DRILL LINING.
NL188331C (en)	1992-06-01	DRILL LINING.
NO156952B (en)	1987-09-14	DRILL CUTS WITH EQUALLY DISTRIBUTED STEEL INSERT.
NO823177L (en)	1983-03-22	CIRCULAR CUTTING TOOL.