EP0347602A3 - Rock drill bit rock drill bit - Google Patents

Rock drill bit rock drill bit Download PDF

Info

Publication number: EP0347602A3
Authority: EP; European Patent Office
Prior art keywords: drill bit; rock drill; rock; bit; bit rock
Prior art date: 1988-06-18
Legal status (The legal status 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 status listed.): Granted

Application number

EP89109303A

Other languages

German (de)

Other versions

EP0347602A2 (en

EP0347602B1 (en

Inventor

Wolfgang Dipl.-Ing. Peetz

Bernhard Moser

August Haussmann

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Robert Bosch Power Tools GmbH

Original Assignee

Hawera Probst GmbH

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.)

1988-06-18

Filing date

1989-05-23

Publication date

1990-06-06

1989-05-23 Application filed by Hawera Probst GmbH filed Critical Hawera Probst GmbH

1989-12-27 Publication of EP0347602A2 publication Critical patent/EP0347602A2/en

1990-06-06 Publication of EP0347602A3 publication Critical patent/EP0347602A3/en

1993-08-04 Application granted granted Critical

1993-08-04 Publication of EP0347602B1 publication Critical patent/EP0347602B1/en

2009-05-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 2

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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
- 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
- E21B10/58—Chisel-type inserts

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)
Processing Of Stones Or Stones Resemblance Materials (AREA)
Drilling Tools (AREA)

EP89109303A 1988-06-18 1989-05-23 Rock drill bit Expired - Lifetime EP0347602B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3820695A DE3820695C2 (en)	1988-06-18	1988-06-18	Rock drill
DE3820695		1988-06-18

Publications (3)

Publication Number	Publication Date
EP0347602A2 EP0347602A2 (en)	1989-12-27
EP0347602A3 true EP0347602A3 (en)	1990-06-06
EP0347602B1 EP0347602B1 (en)	1993-08-04

Family

ID=6356785

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89109303A Expired - Lifetime EP0347602B1 (en)	1988-06-18	1989-05-23	Rock drill bit

Country Status (3)

Country	Link
US (1)	US4951761A (en)
EP (1)	EP0347602B1 (en)
DE (2)	DE3820695C2 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5291960A (en) *	1992-11-30	1994-03-08	Ford Motor Company	Hybrid electric vehicle regenerative braking energy recovery system
DE4301708C2 (en) *	1993-01-22	2002-10-31	Drebo Werkzeugfab Gmbh	rock drill
DE4303590C5 (en) *	1993-02-08	2007-11-22	Drebo Werkzeugfabrik Gmbh	rock drill
DE4338667A1 (en) *	1993-11-12	1995-05-18	Hilti Ag	Drilling tool
DE4339245A1 (en) *	1993-11-18	1995-05-24	Hilti Ag	Twist drill
DE4407119A1 (en) *	1993-12-11	1995-06-14	Hawera Probst Kg Hartmetall	Rock drill
DE4430784C1 (en) *	1994-08-30	1996-01-18	Reburg Patentverwertungs Gmbh	Drill head
TW299385B (en)	1994-12-12	1997-03-01	Black & Decker Inc	Cutting tools for drilling concrete, aggregate, masonry or the like materials
US5918105A (en) *	1994-12-12	1999-06-29	Black & Decker Inc.	Cutting tools for drilling concrete, aggregate, masonry or the like materials
DE19516270C1 (en) *	1995-05-09	1997-01-30	Heller Dinklage Gmbh Geb	Drilling tool
DE19545648A1 (en) *	1995-12-07	1997-06-12	Hilti Ag	Rotary impact twist drill
DE19724373A1 (en) *	1997-06-10	1998-12-17	Hilti Ag	Rock drill
DE19807394A1 (en) *	1998-02-21	1999-08-26	Hilti Ag	Drilling and / or chisel tools
US6039127A (en) *	1998-03-13	2000-03-21	Loudon Enterprises, Inc.	Rock drill
DE19942986A1 (en) *	1999-09-09	2001-03-15	Hilti Ag	Drilling tool
US6374931B1 (en) *	1999-11-03	2002-04-23	Relton Corporation	Multiple cutter rotary hammer bit
US6595305B1 (en) *	2000-02-15	2003-07-22	Kennametal Inc.	Drill bit, hard member, and bit body
DE10024433A1 (en) *	2000-05-19	2001-11-29	Hawera Probst Gmbh	Rock drill
DE20016012U1 (en) *	2000-09-15	2000-11-30	Drebo Werkzeugfabrik Gmbh, 88361 Altshausen	Rock drill
DE50304839D1 (en)	2002-12-19	2006-10-12	Bosch Gmbh Robert	rock drill
GB2404889A (en) *	2003-08-12	2005-02-16	Black & Decker Inc	A cutting plate for a drill bit
DE102008048599A1 (en) *	2008-09-23	2010-03-25	Illinois Tool Works Inc., Glenview	rock drill
DE102008054869B4 (en) *	2008-12-18	2010-09-02	Hilti Aktiengesellschaft	Drilling head for rock drills
US9695640B2 (en) *	2012-08-03	2017-07-04	Irwin Industrial Tool Company	Drill head for a drill and drill
AU363298S (en) *	2015-07-17	2015-08-11	The State Of Queensland Through Its Dept Of Agriculture And Fisheries	Drill corer
DE102015220634A1 (en) *	2015-10-22	2017-06-29	Robert Bosch Gmbh	drilling
US10507534B2 (en)	2016-03-17	2019-12-17	O-Tags, Inc.	Systems, methods, and apparatus for reliably installing survey tags

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3294186A (en) *	1964-06-22	1966-12-27	Tartan Ind Inc	Rock bits and methods of making the same
DE2129913A1 (en) *	1971-06-16	1972-12-21	Hilti Ag	Rock drill
DE2756140A1 (en) *	1977-12-16	1979-06-21	Heinrich B Schaefers	Hollow stemmed stone drill - has helical air supply groove around outside of stem and air entry openings at tip
US4262762A (en) *	1979-10-09	1981-04-21	Potratz Robert P	Anti-collaring structure for impact bit
US4294319A (en) *	1978-05-16	1981-10-13	Karlheinz Guergen	Cutter head for rotary percussion drills
DE3025890A1 (en) *	1980-07-09	1982-01-21	Westa Werkzeugbau Gmbh, 8130 Starnberg	Rock or concrete working hammer drill bit - has cutting edges on radial ribs of one-piece tungsten carbide insert with centering point
DE8104116U1 (en) *	1981-02-14	1982-08-05	Robert Bosch Gmbh, 7000 Stuttgart	ROCK DRILL

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA677997A (en) *		1964-01-14	Ingersoll-Rand Company	Drill bit
DE757076C (en) *	1936-11-18	1951-05-15	Erhard Dipl-Ing Bertl	Rock percussion drill with radial and eccentrically aligned carbide cutting edges
DE912202C (en) *	1941-06-15	1954-05-28	Boehler & Co Ag Geb	Rock drill or drill bit with carbide cutting edges
FR889080A (en) *	1942-01-16	1943-12-30	Flottmann Ag	Hard metal cutting edge drill bit attached
US2507222A (en) *	1946-08-19	1950-05-09	Phipps Orville	Multiple edge percussion bit
GB637237A (en) *	1947-01-10	1950-05-17	Rip Bits Ltd	Improvements in and relating to rock drills
CH302460A (en) *	1949-09-03	1954-10-31	Boehler & Co Ag Geb	Rock drill.
DE918383C (en) *	1951-04-03	1954-09-27	Eisen & Stahlind Ag	Rock bit
US3163244A (en) *	1961-05-19	1964-12-29	Ingersoll Rand Co	Rock drill bit having non-aligned cutting members
DE2211532C2 (en) *	1972-03-10	1982-07-01	Hawera Probst Gmbh + Co, 7980 Ravensburg	Drill bit with helical drill dust flute
DE2348874A1 (en) *	1973-09-28	1975-04-10	Heinrich B Schaefers	Hard metal tip rock drill - has tip, guide ring and lands all hardened and removable for replacement
DE2841679C3 (en) *	1978-09-25	1982-12-09	Karlheinz 2101 Harmstorf Guergen	Rock bit for rotary percussion drilling
DE2912394A1 (en) *	1979-03-29	1980-10-09	Guergen Karl Heinz	Masonry bit for impact drill - has cruciform tungsten carbide insert with shorter cutting edges along one axis
DE3500202A1 (en) *	1985-01-05	1986-07-10	Hawera Probst Gmbh + Co, 7980 Ravensburg	DRILLING TOOLS
DE3544433C2 (en) *	1985-12-16	1995-12-14	Hilti Ag	Rock drill

1988
- 1988-06-18 DE DE3820695A patent/DE3820695C2/en not_active Expired - Fee Related
1989
- 1989-05-23 DE DE8989109303T patent/DE58905115D1/en not_active Expired - Fee Related
- 1989-05-23 EP EP89109303A patent/EP0347602B1/en not_active Expired - Lifetime
- 1989-05-31 US US07/359,122 patent/US4951761A/en not_active Expired - Lifetime

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3294186A (en) *	1964-06-22	1966-12-27	Tartan Ind Inc	Rock bits and methods of making the same
DE2129913A1 (en) *	1971-06-16	1972-12-21	Hilti Ag	Rock drill
DE2756140A1 (en) *	1977-12-16	1979-06-21	Heinrich B Schaefers	Hollow stemmed stone drill - has helical air supply groove around outside of stem and air entry openings at tip
US4294319A (en) *	1978-05-16	1981-10-13	Karlheinz Guergen	Cutter head for rotary percussion drills
US4262762A (en) *	1979-10-09	1981-04-21	Potratz Robert P	Anti-collaring structure for impact bit
DE3025890A1 (en) *	1980-07-09	1982-01-21	Westa Werkzeugbau Gmbh, 8130 Starnberg	Rock or concrete working hammer drill bit - has cutting edges on radial ribs of one-piece tungsten carbide insert with centering point
DE8104116U1 (en) *	1981-02-14	1982-08-05	Robert Bosch Gmbh, 7000 Stuttgart	ROCK DRILL

Also Published As

Publication number	Publication date
DE3820695A1 (en)	1989-12-21
EP0347602A2 (en)	1989-12-27
DE3820695C2 (en)	1996-07-25
EP0347602B1 (en)	1993-08-04
DE58905115D1 (en)	1993-09-09
US4951761A (en)	1990-08-28

Legal Events

Date	Code	Title	Description
1989-11-11	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1989-12-27	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI
1990-04-19	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-06-06	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI
1990-06-06	RHK1	Main classification (correction)	Ipc: E21B 10/44
1990-12-05	17P	Request for examination filed	Effective date: 19901013
1992-02-19	17Q	First examination report despatched	Effective date: 19911227
1993-06-17	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1993-08-04	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB IT LI
1993-09-09	REF	Corresponds to:	Ref document number: 58905115 Country of ref document: DE Date of ref document: 19930909
1993-09-10	ET	Fr: translation filed
1993-09-15	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19930818
1993-11-03	ITF	It: translation for a ep patent filed
1994-06-04	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1994-06-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1994-07-27	26N	No opposition filed
1995-05-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: CH Payment date: 19950523 Year of fee payment: 7
1996-05-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Effective date: 19960531 Ref country code: CH Effective date: 19960531
1997-01-15	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1998-05-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19980519 Year of fee payment: 10
1999-05-23	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990523
2000-01-12	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19990523
2005-05-23	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050523
2006-05-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20060519 Year of fee payment: 18
2006-07-14	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20060714 Year of fee payment: 18
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2008-04-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20071201
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Publication	Publication Date	Title
GB8926837D0 (en)	1990-01-17	Drill bit
EP0347602A3 (en)	1990-06-06	Rock drill bit rock drill bit
SG72194G (en)	1994-11-25	Percussion rock bit
DE3569957D1 (en)	1989-06-08	Rock drill bit
EP0295032A3 (en)	1990-04-25	Rock bit inserts
CS157289A3 (en)	1992-01-15	Drilling rig
GB8704146D0 (en)	1987-04-01	Drilling bit
EP0511547A3 (en)	1993-04-14	Rock bit
GB8816130D0 (en)	1988-08-10	Downhole drilling tool system
ZA904380B (en)	1991-03-27	Rock drilling bit
EP0339412A3 (en)	1990-01-31	Rock drill
ZA849207B (en)	1985-07-31	Mining drill bit
GB8827879D0 (en)	1988-12-29	Drill bit
PL276649A1 (en)	1989-09-04	Drilling rig for rocks
GB2203470B (en)	1991-09-18	Drill bits
GB8726868D0 (en)	1987-12-23	Drill bit
ZA90326B (en)	1990-10-31	Drill bit
GB8511732D0 (en)	1985-06-19	Boring drill bit
AU104870S (en)	1989-08-25	Rock drilling bit
SU1592465A1 (en)	1990-09-15	Drill bit
IE881853L (en)	1988-12-18	Drill bit
ZA889634B (en)	1989-09-27	Rock drill bits
IE870073L (en)	1988-07-13	Percussive drill and bit
ZA87174B (en)	1987-08-26	Drill bit
PL274241A1 (en)	1990-02-19	Coring drill bit