EP0003103A3 - Down-the-hole drilling - Google Patents

Down-the-hole drilling Download PDF

Info

Publication number: EP0003103A3
Authority: EP; European Patent Office
Prior art keywords: hole drilling; drilling; hole
Prior art date: 1978-01-06
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

EP79100010A

Other versions

EP0003103A2 (en

EP0003103B2 (en

EP0003103B1 (en

Inventor

James Oliver Mcenery

Frank William Morton

John Joseph O'dea

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.)

Boart International Ltd

Original Assignee

Boart International Ltd

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.)

1978-01-06

Filing date

1979-01-02

Publication date

1979-08-08

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25572468&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0003103(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1979-01-02 Application filed by Boart International Ltd filed Critical Boart International Ltd

1979-07-25 Publication of EP0003103A2 publication Critical patent/EP0003103A2/en

1979-08-08 Publication of EP0003103A3 publication Critical patent/EP0003103A3/en

1982-12-22 Application granted granted Critical

1982-12-22 Publication of EP0003103B1 publication Critical patent/EP0003103B1/en

1986-12-10 Publication of EP0003103B2 publication Critical patent/EP0003103B2/en

Status Expired legal-status Critical Current

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
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

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)

EP79100010A 1978-01-06 1979-01-02 Down-the-hole drill Expired EP0003103B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ZA780091		1978-01-06
ZA00780091A ZA7891B (en)	1978-01-06	1978-01-06	Down-the-hole drilling

Publications (4)

Publication Number	Publication Date
EP0003103A2 EP0003103A2 (en)	1979-07-25
EP0003103A3 true EP0003103A3 (en)	1979-08-08
EP0003103B1 EP0003103B1 (en)	1982-12-22
EP0003103B2 EP0003103B2 (en)	1986-12-10

Family

ID=25572468

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP79100010A Expired EP0003103B2 (en)	1978-01-06	1979-01-02	Down-the-hole drill

Country Status (5)

Country	Link
EP (1)	EP0003103B2 (en)
AU (1)	AU522330B2 (en)
FI (1)	FI69183C (en)
NO (1)	NO151016C (en)
ZA (1)	ZA7891B (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US321023A (en) *		1885-06-30		hammer
US1943880A (en) *	1930-05-08	1934-01-16	Detachable Bit Corp Of America	Drill
US2507221A (en) *	1946-08-19	1950-05-09	Phipps Orville	Single edge percussion bit
US3155180A (en) *	1962-04-27	1964-11-03	Ingersoll Rand Canada	Drill bit with fluid passages
US3225841A (en) *	1962-08-31	1965-12-28	Joy Mfg Co	Drilling apparatus
US3269471A (en) *	1963-11-26	1966-08-30	Robert T Alexander	Rock drilling bit
US3299974A (en) *	1963-10-01	1967-01-24	P & V Mining & Engineering Ltd	Percussive drill bits
DE1238864B (en) *	1966-03-17	1967-04-20	Fritz Zimmermann	Countersunk hammer for large hole drilling machines
GB1071418A (en) *	1963-08-19	1967-06-07	P & V Mining & Engineering Ltd	Improvements in rock-drilling tools
CA871004A (en) *	1966-06-24	1971-05-18	A. Bendo Allen	Flushing bit
FR2200434A1 (en) *	1972-09-27	1974-04-19	Boehler & Co Ag Geb	Pneumatic percussion drill hammer - with grooves as air vent channels on same side of hammer
AU450556B2 (en) *	1973-01-09	1974-07-11		"improvements in rock drill bits"
US3866746A (en) *	1973-08-27	1975-02-18	Bakerdrill Inc	Rotary bore hole air hammer drive mechanism
US3991834A (en) *	1975-07-07	1976-11-16	Curington Alfred R	Sampling airhammer apparatus

1978
- 1978-01-06 ZA ZA00780091A patent/ZA7891B/en unknown
1979
- 1979-01-02 EP EP79100010A patent/EP0003103B2/en not_active Expired
- 1979-01-02 NO NO79790011A patent/NO151016C/en unknown
- 1979-01-04 FI FI790023A patent/FI69183C/en not_active IP Right Cessation
- 1979-01-05 AU AU43147/79A patent/AU522330B2/en not_active Ceased

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US321023A (en) *		1885-06-30		hammer
US1943880A (en) *	1930-05-08	1934-01-16	Detachable Bit Corp Of America	Drill
US2507221A (en) *	1946-08-19	1950-05-09	Phipps Orville	Single edge percussion bit
US3155180A (en) *	1962-04-27	1964-11-03	Ingersoll Rand Canada	Drill bit with fluid passages
US3225841A (en) *	1962-08-31	1965-12-28	Joy Mfg Co	Drilling apparatus
GB1071418A (en) *	1963-08-19	1967-06-07	P & V Mining & Engineering Ltd	Improvements in rock-drilling tools
US3299974A (en) *	1963-10-01	1967-01-24	P & V Mining & Engineering Ltd	Percussive drill bits
US3269471A (en) *	1963-11-26	1966-08-30	Robert T Alexander	Rock drilling bit
DE1238864B (en) *	1966-03-17	1967-04-20	Fritz Zimmermann	Countersunk hammer for large hole drilling machines
CA871004A (en) *	1966-06-24	1971-05-18	A. Bendo Allen	Flushing bit
FR2200434A1 (en) *	1972-09-27	1974-04-19	Boehler & Co Ag Geb	Pneumatic percussion drill hammer - with grooves as air vent channels on same side of hammer
AU450556B2 (en) *	1973-01-09	1974-07-11		"improvements in rock drill bits"
US3866746A (en) *	1973-08-27	1975-02-18	Bakerdrill Inc	Rotary bore hole air hammer drive mechanism
US3991834A (en) *	1975-07-07	1976-11-16	Curington Alfred R	Sampling airhammer apparatus

Also Published As

Publication number	Publication date
FI790023A7 (en)	1979-07-07
ZA7891B (en)	1979-08-29
EP0003103A2 (en)	1979-07-25
EP0003103B2 (en)	1986-12-10
AU4314779A (en)	1979-07-12
NO151016B (en)	1984-10-15
NO151016C (en)	1985-01-23
FI69183C (en)	1985-12-10
EP0003103B1 (en)	1982-12-22
AU522330B2 (en)	1982-05-27
NO790011L (en)	1979-07-09
FI69183B (en)	1985-08-30

Publication	Publication Date	Title
GB2020715B (en)	1982-06-09	Earth boring bit
GB2027775B (en)	1982-08-11	Earth boring bit
JPS5559293A (en)	1980-05-02	Earth drill
GB2058888B (en)	1984-01-25	Drill rig
GB2031481B (en)	1982-09-29	Drilling bits
JPS54129587A (en)	1979-10-08	Drill
GB2021664B (en)	1982-07-28	Earth boring bits
GB2024060B (en)	1982-05-12	Drilling head
GB2043747B (en)	1983-05-25	Drilling boreholes
GB2045833B (en)	1983-01-12	Wellbore drilling technique
GB2032982B (en)	1982-11-17	Drilling fluids
GB2033943B (en)	1982-12-22	Hydraulic drilling rig
GB2018172B (en)	1982-05-06	Rock drill
DE2862432D1 (en)	1984-09-06	Hydraulically-driven downhole drill
JPS5552497A (en)	1980-04-16	Drill bit
GB2030036B (en)	1982-08-11	Direct drill
GB2022170B (en)	1982-06-09	Roller drill bit
JPS5592495A (en)	1980-07-12	Subsoil drill
DE2964335D1 (en)	1983-01-27	Down-the-hole drill
JPS54159790A (en)	1979-12-17	Drill
JPS54102682A (en)	1979-08-13	Spiralledge drill without chisel
ZA7891B (en)	1979-08-29	Down-the-hole drilling
JPS54133706A (en)	1979-10-17	Earth drill
ZA781484B (en)	1979-09-26	Drill string
ZA792111B (en)	1980-05-28	Drill string

Legal Events

Date	Code	Title	Description
1979-05-30	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
1979-06-12	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1979-07-25	AK	Designated contracting states	Designated state(s): CH DE FR GB IT NL SE
1979-08-08	AK	Designated contracting states	Designated state(s): CH DE FR GB IT NL SE
1980-04-16	17P	Request for examination filed
1982-08-12	ITF	It: translation for a ep patent filed
1982-10-22	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1982-12-22	AK	Designated contracting states	Designated state(s): CH DE FR GB IT NL SE
1983-01-21	ET	Fr: translation filed
1983-01-27	REF	Corresponds to:	Ref document number: 2964335 Country of ref document: DE Date of ref document: 19830127
1983-04-25	PLBI	Opposition filed	Free format text: ORIGINAL CODE: 0009260
1983-06-29	26	Opposition filed	Opponent name: SANDVIK AKTIEBOLAG Effective date: 19830411
1983-09-15	PLBI	Opposition filed	Free format text: ORIGINAL CODE: 0009260
1983-11-16	26	Opposition filed	Opponent name: FRIED. KRUPP GMBH Effective date: 19830910
1986-09-04	ITF	It: translation for a ep patent filed
1986-10-24	PUAH	Patent maintained in amended form	Free format text: ORIGINAL CODE: 0009272
1986-10-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: PATENT MAINTAINED AS AMENDED
1986-12-10	27A	Patent maintained in amended form	Effective date: 19861210
1986-12-10	AK	Designated contracting states	Kind code of ref document: B2 Designated state(s): CH DE FR GB IT NL SE
1987-02-16	NLR2	Nl: decision of opposition
1987-02-27	ET3	Fr: translation filed ** decision concerning opposition
1987-03-02	NLR3	Nl: receipt of modified translations in the netherlands language after an opposition procedure
1988-12-08	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: CH Payment date: 19881208 Year of fee payment: 11
1988-12-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19881230 Year of fee payment: 11
1989-01-02	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19890102 Year of fee payment: 11
1989-01-31	ITTA	It: last paid annual fee
1989-01-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19890131 Year of fee payment: 11 Ref country code: NL Payment date: 19890131 Year of fee payment: 13
1989-02-28	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19890228 Year of fee payment: 11
1990-01-02	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19900102
1990-01-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Effective date: 19900103
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1990-08-29	GBPC	Gb: european patent ceased through non-payment of renewal fee
1990-09-17	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee
1990-09-28	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19900928
1990-09-28	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1990-10-02	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19901002
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1995-01-31	EUG	Se: european patent has lapsed	Ref document number: 79100010.2 Effective date: 19901106