DE59308332D1 - Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern - Google Patents

Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern

Info

Publication number
DE59308332D1
DE59308332D1 DE59308332T DE59308332T DE59308332D1 DE 59308332 D1 DE59308332 D1 DE 59308332D1 DE 59308332 T DE59308332 T DE 59308332T DE 59308332 T DE59308332 T DE 59308332T DE 59308332 D1 DE59308332 D1 DE 59308332D1
Authority
DE
Germany
Prior art keywords
face
connection
basic body
faces
drill
Prior art date
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.)
Expired - Fee Related
Application number
DE59308332T
Other languages
English (en)
Inventor
Theo Dipl Ing Fromme
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.)
Bauer Spezialtiefbau GmbH
Original Assignee
Bauer Spezialtiefbau 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.)
Filing date
Publication date
Application filed by Bauer Spezialtiefbau GmbH filed Critical Bauer Spezialtiefbau GmbH
Application granted granted Critical
Publication of DE59308332D1 publication Critical patent/DE59308332D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • E21B10/485—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type with inserts in form of chisels, blades or the like
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
DE59308332T 1992-08-10 1993-07-19 Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern Expired - Fee Related DE59308332D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4226363A DE4226363C2 (de) 1992-08-10 1992-08-10 Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern

Publications (1)

Publication Number Publication Date
DE59308332D1 true DE59308332D1 (de) 1998-05-07

Family

ID=6465195

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4226363A Expired - Fee Related DE4226363C2 (de) 1992-08-10 1992-08-10 Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern
DE59308332T Expired - Fee Related DE59308332D1 (de) 1992-08-10 1993-07-19 Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4226363A Expired - Fee Related DE4226363C2 (de) 1992-08-10 1992-08-10 Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern

Country Status (3)

Country Link
EP (1) EP0583629B1 (de)
AT (1) ATE164657T1 (de)
DE (2) DE4226363C2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205643C1 (de) * 2002-02-12 2003-10-16 Betek Bergbau & Hartmetall Bohrkrone mit lösbaren Schneidzähnen

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1317937A (de) * 1963-05-10
US1957476A (en) * 1931-10-14 1934-05-08 Elgan S Sloan Swiveled drill bit for cable tool drilling
DE851331C (de) * 1944-08-10 1952-10-02 Salzgitter Maschinen Ag Bohrkrone fuer Drehbohrer
US2506387A (en) * 1948-10-20 1950-05-02 Koebel Diamond Tool Co Core bit
US2506388A (en) * 1948-10-20 1950-05-02 Koebel Diamond Tool Co Core bit
US2506341A (en) * 1948-10-28 1950-05-02 Koebel Diamond Tool Co Core bit
US2520876A (en) * 1949-05-13 1950-08-29 Koebel Diamond Tool Company Core bit
FR1417359A (fr) * 1964-10-03 1965-11-12 Benoto Sa Trousse coupante pour tube de forage
USRE26669E (en) * 1968-05-09 1969-09-30 Drilling bit
US4208154A (en) * 1978-03-21 1980-06-17 Gundy William P Core drill
DE3408092A1 (de) * 1984-03-05 1985-09-19 Hilti Ag, Schaan Hohlbohrer
DE3600189A1 (de) * 1986-01-16 1987-07-16 Kazachskij Politekhn I Im W I Diamantbohrkrone
DE3738942A1 (de) * 1987-11-17 1989-06-01 Eastman Christensen Co Drehbohrmeissel fuer tiefbohrungen
DE3824502A1 (de) * 1988-07-20 1990-01-25 Hilti Ag Hohlbohrwerkzeug
US4854396A (en) * 1988-12-21 1989-08-08 The United States Of America As Represented By The Secretary Of The Army Pivoting cutter for ice coring auger
DE3933867C2 (de) * 1989-10-11 1995-08-17 Bauer Spezialtiefbau Bohrkrone mit umfangsverteilt angeordneten Zähnen für Bohrrohre

Also Published As

Publication number Publication date
EP0583629A1 (de) 1994-02-23
EP0583629B1 (de) 1998-04-01
DE4226363A1 (de) 1994-02-17
ATE164657T1 (de) 1998-04-15
DE4226363C2 (de) 1995-07-06

Similar Documents

Publication Publication Date Title
CA2139595A1 (en) Laser welder for pipeline
ATE97730T1 (de) Rohrverbindung.
ATE150121T1 (de) Schnellwechselvorrichtung
ATE85506T1 (de) Zahnaerztliches handstueck mit mitteln zum kompatiblen anschluss an unterschiedlich gestaltete drehkupplungen.
CA2086975A1 (en) Saw blade
IT1236136B (it) Giunto a doppio snodo per una ampia orientazione di un erogatore di liquidi rispetto al tubo di alimentazione.
FR2630361B1 (fr) Procede de brasage avec auto-evacuation de l'air d'un joint a braser
ES2106952T3 (es) Union de tubos asi como manguito de soldar para una union de tubos de este tipo.
SE8401020D0 (sv) Forfarande for frigoring av restspenningar hos ror genom pasvetsning
DE59308332D1 (de) Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern
ITTO930817A0 (it) Procedimento per conformare secondo una sezione trasversale circolare l'estremita' di un tubo a sezione trasversale oblunga.
EP0284376A3 (en) Spot welding machine spot welding machine
ATE229400T1 (de) Kabelmantelbefestigung insbesondere für einen schweissbrenner mit einem kugelgelenk zum anschluss an dem stromkabel
KR940005346A (ko) 강철바아의 맞대기 용접방법 및 그 장치
ATE242075T1 (de) Einrichtung zum verschweissen von zylinderförmigen werkstücken
GB2072779A (en) Couplings for dental tools
ITPN910050A1 (it) Procedimento perfezionato di accoppiamento di tubi
ES2108533T3 (es) Soplete de soldar mig refrigerado por agua.
SE9600432L (sv) Styrskena för sågkedja
EP0335609A3 (en) Soil displacement hammer
SU724295A1 (ru) Способ подбора оптимальных режимов сварки кольцевых стыков
DE69012972D1 (de) Rohrförmiger Körper mit daran befestigtem Rohrverbindungsstück.
NZ314266A (en) Welding torch assembly with electrode and gas directing means wherein welding wire is automatic fed into the welding zone at an angle of 50 degrees or less to the plan of the work surface such that the torch is propelled along due to the resistance of the wire against a newly formed weld
SU600260A1 (ru) Бульдозерный агрегат
SE8602765D0 (sv) Sett vid ensidessvetsning av en oppen fog och anordning for utforande av settet

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee