NO783957L - Borkrone. - Google Patents

Borkrone.

Info

Publication number: NO783957L
Authority: NO; Norway
Prior art keywords: roller; shear; cutting; rotation; inserts
Prior art date: 1977-12-07

Application number

NO783957A

Other languages

English (en)

Norwegian (no)

Inventor

Howard Earl Mitchell

Original Assignee

Dresser Ind

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.)

1977-12-07

Filing date

1978-11-23

Publication date

1979-06-08

1978-11-23 Application filed by Dresser Ind filed Critical Dresser Ind

1979-06-08 Publication of NO783957L publication Critical patent/NO783957L/no

Links

238000004181 pedogenesis Methods 0.000 claims description 6
238000010008 shearing Methods 0.000 claims description 2
230000015572 biosynthetic process Effects 0.000 description 31
238000005755 formation reaction Methods 0.000 description 31
238000007789 sealing Methods 0.000 description 21
238000005553 drilling Methods 0.000 description 19
229910052751 metal Inorganic materials 0.000 description 7
239000002184 metal Substances 0.000 description 7
238000010276 construction Methods 0.000 description 6
210000003128 head Anatomy 0.000 description 6
238000000034 method Methods 0.000 description 3
210000001331 nose Anatomy 0.000 description 3
239000011435 rock Substances 0.000 description 3
239000012634 fragment Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
238000005065 mining Methods 0.000 description 2
UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000000314 lubricant Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
230000002028 premature Effects 0.000 description 1
238000010298 pulverizing process Methods 0.000 description 1
238000005096 rolling process Methods 0.000 description 1
239000002689 soil Substances 0.000 description 1
230000005641 tunneling Effects 0.000 description 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
- E21B10/46—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)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Mining & Mineral Resources (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Medicines Containing Material From Animals Or Micro-Organisms (AREA)

NO783957A 1977-12-07 1978-11-23 Borkrone. NO783957L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US85823677A	1977-12-07	1977-12-07

Publications (1)

Publication Number	Publication Date
NO783957L true NO783957L (no)	1979-06-08

Family

ID=25327823

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO783957A NO783957L (no)	1977-12-07	1978-11-23	Borkrone.

Country Status (8)

Country	Link
US (1)	US4161225A (fi)
AU (1)	AU522970B2 (fi)
CA (1)	CA1089439A (fi)
FI (1)	FI783588A (fi)
GB (1)	GB2009817B (fi)
NO (1)	NO783957L (fi)
SE (1)	SE7812554L (fi)
ZA (1)	ZA786282B (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4552232A (en) *	1984-06-29	1985-11-12	Spiral Drilling Systems, Inc.	Drill-bit with full offset cutter bodies
DE3539717C2 (de) *	1984-06-29	1996-08-08	Spiral Drilling Systems Inc	Rollenmeißel
US5027913A (en) *	1990-04-12	1991-07-02	Smith International, Inc.	Insert attack angle for roller cone rock bits
US6857488B2 (en) *	2003-01-31	2005-02-22	Robert X. Pastor	Boring head cutter
US8353369B2 (en)	2008-08-06	2013-01-15	Atlas Copco Secoroc, LLC	Percussion assisted rotary earth bit and method of operating the same
US20100032216A1 (en) *	2008-08-08	2010-02-11	Osborne Jr Andrew J	Earth boring cutter employing helical teeth

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1224287A (en) *	1914-06-08	1917-05-01	Edward Double	Rotary bit.
US1691623A (en) *	1925-06-17	1928-11-13	Lester C Black	Well-drilling tool
GB662063A (en) *	1949-02-16	1951-11-28	Harnischfeger Corp	Improvements in an earth cutting tooth
US3250337A (en) *	1963-10-29	1966-05-10	Max J Demo	Rotary shock wave drill bit
FR1514999A (fr) *	1966-09-21	1968-03-01	Seita	Dispositif d'alimentation de machines à paqueter
US3593812A (en) *	1969-01-27	1971-07-20	Lawrence Mfg Co	Means for cutting rock

1978
- 1978-08-02 US US05/930,254 patent/US4161225A/en not_active Expired - Lifetime
- 1978-11-06 CA CA315,847A patent/CA1089439A/en not_active Expired
- 1978-11-07 ZA ZA00786282A patent/ZA786282B/xx unknown
- 1978-11-13 GB GB7844255A patent/GB2009817B/en not_active Expired
- 1978-11-23 NO NO783957A patent/NO783957L/no unknown
- 1978-11-23 FI FI783588A patent/FI783588A/fi unknown
- 1978-11-30 AU AU42092/78A patent/AU522970B2/en not_active Expired
- 1978-12-06 SE SE7812554A patent/SE7812554L/xx unknown

Also Published As

Publication number	Publication date
SE7812554L (sv)	1979-06-08
GB2009817A (en)	1979-06-20
ZA786282B (en)	1979-10-31
FI783588A (fi)	1979-06-08
CA1089439A (en)	1980-11-11
AU4209278A (en)	1979-06-14
US4161225A (en)	1979-07-17
AU522970B2 (en)	1982-07-08
GB2009817B (en)	1982-06-23

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