ZA76279B - Roller cutter - Google Patents

Roller cutter

Info

Publication number: ZA76279B
Authority: ZA; South Africa
Prior art keywords: roller cutter; cutter; roller
Prior art date: 1975-01-27

Application number

ZA279A

Other languages

English (en)

Inventor

B Liljekvist

A Persson

Original Assignee

Sandvik Ab

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.)

1975-01-27

Filing date

1976-01-19

Publication date

1977-01-26

1976-01-19 Application filed by Sandvik Ab filed Critical Sandvik Ab

1977-01-26 Publication of ZA76279B publication Critical patent/ZA76279B/xx

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
- E21B10/10—Roller bits with roller axle supported at both ends
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

Engineering & Computer Science (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)
Mechanical Engineering (AREA)
Earth Drilling (AREA)
Excavating Of Shafts Or Tunnels (AREA)

ZA279A 1975-01-27 1976-01-19 Roller cutter ZA76279B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7500816A SE415994B (sv)	1975-01-27	1975-01-27	Anordning vid rullborrkronor

Publications (1)

Publication Number	Publication Date
ZA76279B true ZA76279B (en)	1977-01-26

Family

ID=20323494

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA279A ZA76279B (en)	1975-01-27	1976-01-19	Roller cutter

Country Status (13)

Country	Link
US (1)	US4004644A (xx)
JP (1)	JPS5199602A (xx)
AU (1)	AU500414B2 (xx)
CA (1)	CA1036151A (xx)
DE (1)	DE2602773C3 (xx)
FI (1)	FI760182A (xx)
FR (1)	FR2298679A1 (xx)
GB (1)	GB1488231A (xx)
IT (1)	IT1054471B (xx)
NO (1)	NO760242L (xx)
SE (1)	SE415994B (xx)
ZA (1)	ZA76279B (xx)
ZM (1)	ZM1176A1 (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4359114A (en) *	1980-12-10	1982-11-16	Robbins Machine, Inc.	Raise drill bit inboard cutter assembly
SE440678B (sv) *	1981-03-31	1985-08-12	Sandvik Ab	Festanordning for skerrulle vid borrhuvud for roterande borrning
US5328274A (en) *	1992-06-26	1994-07-12	Vooner Vacuum Pumps, Inc.	Liquid ring vacuum pump-compressor with self aligning removable bearing bracket
US5423614A (en) *	1992-06-26	1995-06-13	Vooner Vacuum Pumps, Inc.	Self aligning removable bearing carrier for a liquid ring vacuum pump
US5487435A (en) *	1994-07-07	1996-01-30	Baker Hughes Incorporated	Mounting system for raise and shaft cutters
GB2314869B (en) *	1996-03-01	2000-08-16	Allen Kent Rives	Cantilevered hole opener
US6708786B2 (en) *	2001-05-08	2004-03-23	Smith International, Inc.	Mounting attachment and bearing system for an industrial earth-boring cutter
AU782643B2 (en) *	2001-05-08	2005-08-18	Sandvik Intellectual Property Ab	Mounting attachment and bearing system for an industrial earth-boring cutter
WO2005014968A1 (en) *	2003-08-11	2005-02-17	Murray & Roberts Ruc Limited	Roller cutter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3054466A (en) *	1959-09-21	1962-09-18	Drilprodco Inc	Roller assemblies
US3612196A (en) *	1970-05-01	1971-10-12	Smith International	Rock-boring cutter
US3749188A (en) *	1971-08-20	1973-07-31	G W Murphy Indu Inc	Drill bit
US3747999A (en) *	1972-02-09	1973-07-24	Murphy Ind Inc G W	Rotary cutter for earth boring bits
US3835944A (en) *	1973-06-12	1974-09-17	Hard Metals Ltd	Cutting unit for use on rock boring machines

1975
- 1975-01-27 SE SE7500816A patent/SE415994B/xx not_active IP Right Cessation
1976
- 1976-01-19 ZA ZA279A patent/ZA76279B/xx unknown
- 1976-01-21 AU AU10457/76A patent/AU500414B2/en not_active Expired
- 1976-01-22 IT IT19496/76A patent/IT1054471B/it active
- 1976-01-26 ZM ZM11/76A patent/ZM1176A1/xx unknown
- 1976-01-26 CA CA244,239A patent/CA1036151A/en not_active Expired
- 1976-01-26 GB GB2934/76A patent/GB1488231A/en not_active Expired
- 1976-01-26 FR FR7601988A patent/FR2298679A1/fr not_active Withdrawn
- 1976-01-26 NO NO760242A patent/NO760242L/no unknown
- 1976-01-26 JP JP51007854A patent/JPS5199602A/ja active Pending
- 1976-01-26 DE DE2602773A patent/DE2602773C3/de not_active Expired
- 1976-01-27 US US05/652,864 patent/US4004644A/en not_active Expired - Lifetime
- 1976-01-27 FI FI760182A patent/FI760182A/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
FI760182A (xx)	1976-07-28
IT1054471B (it)	1981-11-10
GB1488231A (en)	1977-10-12
DE2602773A1 (de)	1976-07-29
CA1036151A (en)	1978-08-08
ZM1176A1 (en)	1977-08-22
US4004644A (en)	1977-01-25
NO760242L (xx)	1976-07-28
SE415994B (sv)	1980-11-17
DE2602773C3 (de)	1978-07-13
DE2602773B2 (de)	1977-12-01
AU1045776A (en)	1977-07-28
AU500414B2 (en)	1979-05-24
SE7500816L (sv)	1976-07-28
FR2298679A1 (fr)	1976-08-20
JPS5199602A (xx)	1976-09-02

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