NO760242L - - Google Patents

Info

Publication number: NO760242L
Authority: NO; Norway
Prior art keywords: shaft; legs; recess; bore; bores
Prior art date: 1975-01-27

Application number

NO760242A

Other languages

English (en)

Norwegian (no)

Inventor

B S 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

1976-01-26

Publication date

1976-07-28

1976-01-26 Application filed by Sandvik Ab filed Critical Sandvik Ab

1976-07-28 Publication of NO760242L publication Critical patent/NO760242L/no

Links

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)

NO760242A 1975-01-27 1976-01-26 NO760242L (fr)

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
NO760242L true NO760242L (fr)	1976-07-28

Family

ID=20323494

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO760242A NO760242L (fr)	1975-01-27	1976-01-26

Country Status (13)

Country	Link
US (1)	US4004644A (fr)
JP (1)	JPS5199602A (fr)
AU (1)	AU500414B2 (fr)
CA (1)	CA1036151A (fr)
DE (1)	DE2602773C3 (fr)
FI (1)	FI760182A7 (fr)
FR (1)	FR2298679A1 (fr)
GB (1)	GB1488231A (fr)
IT (1)	IT1054471B (fr)
NO (1)	NO760242L (fr)
SE (1)	SE415994B (fr)
ZA (1)	ZA76279B (fr)
ZM (1)	ZM1176A1 (fr)

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
CA2219985C (fr) *	1996-03-01	2005-04-19	Allen Kent Rives	Elargisseur de trous monte en porte a faux
AU782643B2 (en) *	2001-05-08	2005-08-18	Sandvik Intellectual Property Ab	Mounting attachment and bearing system for an industrial earth-boring cutter
US6708786B2 (en) *	2001-05-08	2004-03-23	Smith International, Inc.	Mounting attachment and bearing system for an industrial earth-boring cutter
WO2005014968A1 (fr) *	2003-08-11	2005-02-17	Murray & Roberts Ruc Limited	Trepan a molettes

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 GB GB2934/76A patent/GB1488231A/en not_active Expired
- 1976-01-26 NO NO760242A patent/NO760242L/no unknown
- 1976-01-26 ZM ZM11/76A patent/ZM1176A1/xx unknown
- 1976-01-26 CA CA244,239A patent/CA1036151A/fr not_active Expired
- 1976-01-26 FR FR7601988A patent/FR2298679A1/fr not_active Withdrawn
- 1976-01-26 DE DE2602773A patent/DE2602773C3/de not_active Expired
- 1976-01-26 JP JP51007854A patent/JPS5199602A/ja active Pending
- 1976-01-27 FI FI760182A patent/FI760182A7/fi not_active Application Discontinuation
- 1976-01-27 US US05/652,864 patent/US4004644A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
IT1054471B (it)	1981-11-10
SE7500816L (sv)	1976-07-28
DE2602773C3 (de)	1978-07-13
FR2298679A1 (fr)	1976-08-20
DE2602773A1 (de)	1976-07-29
CA1036151A (fr)	1978-08-08
JPS5199602A (fr)	1976-09-02
ZM1176A1 (en)	1977-08-22
DE2602773B2 (de)	1977-12-01
AU500414B2 (en)	1979-05-24
ZA76279B (en)	1977-01-26
US4004644A (en)	1977-01-25
FI760182A7 (fr)	1976-07-28
SE415994B (sv)	1980-11-17
GB1488231A (en)	1977-10-12
AU1045776A (en)	1977-07-28

Publication	Publication Date	Title
US3360285A (en)	1967-12-26	Connectors
US2280662A (en)	1942-04-21	Steering post for cycles and the like
US2893291A (en)	1959-07-07	Draw toggles for spindle male tapers of milling and the like machines
US2366668A (en)	1945-01-02	Method of making bearings
US3998500A (en)	1976-12-21	Mountable cone sub assembly
US4636181A (en)	1987-01-13	Conveyor chain
US4004644A (en)	1977-01-25	Roller cutter
US3835944A (en)	1974-09-17	Cutting unit for use on rock boring machines
US4456082A (en)	1984-06-26	Expandable rock bit
US2980400A (en)	1961-04-18	Hook-block assembly
JP3165699U (ja)	2011-02-03	タイロッド用連結具
US2260366A (en)	1941-10-28	Reamer
US2710193A (en)	1955-06-07	Mechanical gripping chuck
US2509285A (en)	1950-05-30	Adjustable and self-aligning fitting
US3243878A (en)	1966-04-05	Pipe cutter
US3403571A (en)	1968-10-01	Stub shaft connection for a revolving door assembly
US1940415A (en)	1933-12-19	Drill
US1419310A (en)	1922-06-13	Glass cutter
US2061141A (en)	1936-11-17	Roller bit bearing structure
US2107626A (en)	1938-02-08	Well bit
US3030829A (en)	1962-04-24	Finishing and roughing bar
US2298000A (en)	1942-10-06	Compass
US2811055A (en)	1957-10-29	Boring bar
US2189031A (en)	1940-02-06	Reamer
US1528148A (en)	1925-03-03	Saddle