DE59406700D1 - Gesteinsbohrer - Google Patents

Gesteinsbohrer

Info

Publication number
DE59406700D1
DE59406700D1 DE59406700T DE59406700T DE59406700D1 DE 59406700 D1 DE59406700 D1 DE 59406700D1 DE 59406700 T DE59406700 T DE 59406700T DE 59406700 T DE59406700 T DE 59406700T DE 59406700 D1 DE59406700 D1 DE 59406700D1
Authority
DE
Germany
Prior art keywords
cutting tip
rock drill
main cutting
main
image
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
DE59406700T
Other languages
English (en)
Inventor
Klaus Dreps
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.)
Drebo Werkzeugfabrik GmbH
Original Assignee
Drebo Werkzeugfabrik 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 Drebo Werkzeugfabrik GmbH filed Critical Drebo Werkzeugfabrik GmbH
Priority to DE59406700T priority Critical patent/DE59406700D1/de
Application granted granted Critical
Publication of DE59406700D1 publication Critical patent/DE59406700D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
DE59406700T 1993-01-22 1994-01-20 Gesteinsbohrer Expired - Fee Related DE59406700D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE59406700T DE59406700D1 (de) 1993-01-22 1994-01-20 Gesteinsbohrer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4301708A DE4301708C2 (de) 1993-01-22 1993-01-22 Gesteinsbohrer
DE59406700T DE59406700D1 (de) 1993-01-22 1994-01-20 Gesteinsbohrer

Publications (1)

Publication Number Publication Date
DE59406700D1 true DE59406700D1 (de) 1998-09-24

Family

ID=6478737

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4301708A Expired - Fee Related DE4301708C2 (de) 1993-01-22 1993-01-22 Gesteinsbohrer
DE59406700T Expired - Fee Related DE59406700D1 (de) 1993-01-22 1994-01-20 Gesteinsbohrer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4301708A Expired - Fee Related DE4301708C2 (de) 1993-01-22 1993-01-22 Gesteinsbohrer

Country Status (4)

Country Link
EP (1) EP0607958B1 (de)
AT (1) ATE169987T1 (de)
DE (2) DE4301708C2 (de)
DK (1) DK0607958T3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19653155C1 (de) * 1996-12-19 1998-07-09 Drebo Werkzeugfab Gmbh Gesteinsbohrer
DE19724373A1 (de) * 1997-06-10 1998-12-17 Hilti Ag Gesteinsbohrer
DE19860528B4 (de) * 1998-12-30 2006-12-07 Robert Bosch Gmbh Gesteinsbohrer für Hammerbohrmaschinen
DE19916975A1 (de) 1999-04-15 2000-10-19 Hilti Ag Gesteinsbohrer
DE19942987A1 (de) * 1999-09-09 2001-03-15 Hilti Ag Bohrwerkzeug
EP1431511B1 (de) * 2002-12-19 2006-08-30 Robert Bosch Gmbh Gesteinsbohrer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757076C (de) * 1936-11-18 1951-05-15 Erhard Dipl-Ing Bertl Gesteinsschlagbohrer mit radialen und exzentrisch gerichteten Hartmetallschneiden
GB530113A (en) * 1939-05-30 1940-12-05 Erhard Bertl Improvements relating to percussive drilling bits
CH272188A (de) * 1948-01-14 1950-12-15 Sandvikens Jernverks Ab Stossbohrkrone mit mindestens zwei Hartmetallschneideinsätzen.
FR986125A (fr) * 1948-05-13 1951-07-27 Boehler & Co Ag Geb Trépan à outils de taille en métal dur rapportés
DE918741C (de) * 1949-09-03 1954-10-04 Boehler & Co Ag Geb Gesteinsbohrer mit Einfach- oder Mehrfachschneiden
DE3820695C2 (de) * 1988-06-18 1996-07-25 Hawera Probst Kg Hartmetall Gesteinsbohrer

Also Published As

Publication number Publication date
DK0607958T3 (da) 1998-10-26
DE4301708A1 (de) 1994-07-28
DE4301708C2 (de) 2002-10-31
ATE169987T1 (de) 1998-09-15
EP0607958B1 (de) 1998-08-19
EP0607958A1 (de) 1994-07-27

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Legal Events

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