EP0201723A3 - Drilling tool with a replaceable conveying spiral - Google Patents

Drilling tool with a replaceable conveying spiral Download PDF

Info

Publication number: EP0201723A3
Authority: EP; European Patent Office
Prior art keywords: drilling tool; conveying spiral; replaceable; replaceable conveying; spiral
Prior art date: 1985-05-15
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

EP86104842A

Other languages

German (de)

Other versions

EP0201723A2 (en

EP0201723B1 (en

Inventor

Bernhard Moser

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.)

1985-05-15

Filing date

1986-04-09

Publication date

1987-10-07

1986-04-09 Application filed by Hawera Probst GmbH filed Critical Hawera Probst GmbH

1986-11-20 Publication of EP0201723A2 publication Critical patent/EP0201723A2/en

1987-10-07 Publication of EP0201723A3 publication Critical patent/EP0201723A3/en

1991-09-04 Application granted granted Critical

1991-09-04 Publication of EP0201723B1 publication Critical patent/EP0201723B1/en

2006-04-09 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000005553 drilling Methods 0.000 title 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure

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)
Processing Of Stones Or Stones Resemblance Materials (AREA)
Earth Drilling (AREA)
Drilling And Boring (AREA)
Drilling Tools (AREA)

EP86104842A 1985-05-15 1986-04-09 Drilling tool with a replaceable conveying spiral Expired - Lifetime EP0201723B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE8514422U		1985-05-15
DE8514422U DE8514422U1 (en)	1985-05-15	1985-05-15	Drilling tool with exchangeable feed spiral

Publications (3)

Publication Number	Publication Date
EP0201723A2 EP0201723A2 (en)	1986-11-20
EP0201723A3 true EP0201723A3 (en)	1987-10-07
EP0201723B1 EP0201723B1 (en)	1991-09-04

Family

ID=6781150

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP86104842A Expired - Lifetime EP0201723B1 (en)	1985-05-15	1986-04-09	Drilling tool with a replaceable conveying spiral

Country Status (3)

Country	Link
US (1)	US4750572A (en)
EP (1)	EP0201723B1 (en)
DE (3)	DE8514422U1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3635538A1 (en) *	1986-10-18	1988-04-28	Hawera Probst Kg Hartmetall	DRILLING TOOL WITH INTERCHANGEABLE CONVEYOR
DE3805657C2 (en) *	1986-10-18	1996-04-25	Hawera Probst Kg Hartmetall	Drilling tool with exchangeable conveying helix
DE3800611A1 (en) *	1988-01-12	1989-07-20	Hawera Probst Kg Hartmetall	DRILLING TOOL
DE3820697A1 (en) *	1988-06-18	1989-12-21	Hawera Probst Kg Hartmetall	DRILLING TOOL
CN102116133B (en) *	2010-12-01	2013-11-27	卢丹	Flange mechanism
CN104373071A (en) *	2014-11-17	2015-02-25	大同煤矿集团有限责任公司	Efficient salvage device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE665884A (en) *
US2675257A (en) *	1950-11-08	1954-04-13	Albert J Specht	Material boring auger
US3372763A (en) *	1965-06-14	1968-03-12	Fischer Artur	Drill
DE2543578A1 (en) *	1975-09-30	1977-04-07	Duss Maschf	Stone drill with thin wall tubular shank - has tube with spiral surface of smaller diameter than cutting edge axially surrounding its shank
DE3044775A1 (en) *	1980-11-27	1982-07-08	Hilti AG, 9494 Schaan	ROCK DRILL

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1116154A (en) *	1913-03-26	1914-11-03	William G Stowers	Post-hole digger.
US2116359A (en) *	1936-07-27	1938-05-03	Mccann Forest Glen	Well boring apparatus
US2400478A (en) *	1943-08-10	1946-05-21	Lester E Beck	Power-driven earth auger
US2831659A (en) *	1954-05-13	1958-04-22	Shell Dev	Earth coring apparatus
EP0108157A1 (en) *	1982-11-04	1984-05-16	Földmerö Es Talajvizsgalo Vallalat	Sampling device for taking undisturbed soil samples

1985
- 1985-05-15 DE DE8514422U patent/DE8514422U1/en not_active Expired
1986
- 1986-03-24 DE DE19863609934 patent/DE3609934A1/en not_active Withdrawn
- 1986-04-09 EP EP86104842A patent/EP0201723B1/en not_active Expired - Lifetime
- 1986-04-09 DE DE8686104842T patent/DE3681194D1/en not_active Expired - Lifetime
- 1986-05-12 US US06/862,244 patent/US4750572A/en not_active Expired - Fee Related

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE665884A (en) *
US2675257A (en) *	1950-11-08	1954-04-13	Albert J Specht	Material boring auger
US3372763A (en) *	1965-06-14	1968-03-12	Fischer Artur	Drill
DE2543578A1 (en) *	1975-09-30	1977-04-07	Duss Maschf	Stone drill with thin wall tubular shank - has tube with spiral surface of smaller diameter than cutting edge axially surrounding its shank
DE3044775A1 (en) *	1980-11-27	1982-07-08	Hilti AG, 9494 Schaan	ROCK DRILL

Also Published As

Publication number	Publication date
EP0201723A2 (en)	1986-11-20
DE8514422U1 (en)	1985-07-18
EP0201723B1 (en)	1991-09-04
US4750572A (en)	1988-06-14
DE3681194D1 (en)	1991-10-10
DE3609934A1 (en)	1986-11-20

Legal Events

Date	Code	Title	Description
1986-10-04	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
1986-11-20	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI
1987-08-17	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-10-07	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI
1988-05-25	17P	Request for examination filed	Effective date: 19880325
1989-02-01	17Q	First examination report despatched	Effective date: 19881216
1991-07-18	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-09-04	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB IT LI
1991-09-04	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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;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.SCRIBED TIME-LIMIT Effective date: 19910904 Ref country code: GB Effective date: 19910904
1991-10-10	REF	Corresponds to:	Ref document number: 3681194 Country of ref document: DE Date of ref document: 19911010
1991-10-18	ET	Fr: translation filed
1992-03-11	GBV	Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]
1992-04-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: CH Effective date: 19920430 Ref country code: LI Effective date: 19920430
1992-07-09	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-07-09	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-08-26	26N	No opposition filed
1992-12-31	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1996-04-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19960419 Year of fee payment: 11
1997-12-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19971231
1998-02-27	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2000-05-05	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20000505 Year of fee payment: 15
2002-02-01	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: 20020201

Publication	Publication Date	Title
GB2184373B (en)	1989-10-18	Drilling tool
GB2171015B (en)	1988-09-14	A rasp tool
GB2185428B (en)	1990-07-04	A drilling tool
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EP0201723A3 (en)	1987-10-07	Drilling tool with a replaceable conveying spiral
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