FR2014332A1 - - Google Patents

Info

Publication number
FR2014332A1
FR2014332A1 FR6921730A FR6921730A FR2014332A1 FR 2014332 A1 FR2014332 A1 FR 2014332A1 FR 6921730 A FR6921730 A FR 6921730A FR 6921730 A FR6921730 A FR 6921730A FR 2014332 A1 FR2014332 A1 FR 2014332A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6921730A
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.)
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Original Assignee
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
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 Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG filed Critical Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Publication of FR2014332A1 publication Critical patent/FR2014332A1/fr
Withdrawn legal-status Critical Current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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/75—Stone, rock or concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2240/00—Details of connections of tools or workpieces
    • B23B2240/08—Brazed connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/50—Drilling tools comprising cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/70—Drills with vibration suppressing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
FR6921730A 1968-06-27 1969-06-27 Withdrawn FR2014332A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681752645 DE1752645A1 (de) 1968-06-27 1968-06-27 Hohlbohrkrone

Publications (1)

Publication Number Publication Date
FR2014332A1 true FR2014332A1 (fr) 1970-04-17

Family

ID=5692884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6921730A Withdrawn FR2014332A1 (fr) 1968-06-27 1969-06-27

Country Status (9)

Country Link
AT (1) AT295829B (fr)
BE (1) BE735246A (fr)
CH (1) CH519093A (fr)
DE (1) DE1752645A1 (fr)
FR (1) FR2014332A1 (fr)
GB (1) GB1236124A (fr)
LU (1) LU58966A1 (fr)
NL (1) NL6909015A (fr)
SE (1) SE354096B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2416103A1 (fr) * 1978-02-07 1979-08-31 Nielsen Mogens Procede et outil pour realiser un trou dans du beton arme
FR2447783A1 (fr) * 1979-02-02 1980-08-29 Hawera Probst Gmbh Foret a pierre ou beton avec tete de forage en metal dur

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1226352B (de) * 1959-02-28 1966-10-06 Karl Moertl Umlaufende Zinkentrommel fuer Futterlader
DE4242909C2 (de) * 1992-12-18 2002-10-24 Hilti Ag Hohlbohrkrone mit Schneiden
DE4301191A1 (de) * 1993-01-19 1994-07-21 Hawera Probst Kg Hartmetall Gesteinsbohrwerkzeug
DE10225070A1 (de) * 2002-06-06 2004-01-15 Hilti Ag Kernbohrkrone mit geometrisch definierten Schneidelementen
DE102022129091A1 (de) * 2022-11-03 2024-05-08 Heller Tools Gmbh Bohrkrone für einen dreh-hämmernden oder dreh-schlagenden Einsatz zum Durchtrennen von Armierungseisen in Beton

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2416103A1 (fr) * 1978-02-07 1979-08-31 Nielsen Mogens Procede et outil pour realiser un trou dans du beton arme
FR2447783A1 (fr) * 1979-02-02 1980-08-29 Hawera Probst Gmbh Foret a pierre ou beton avec tete de forage en metal dur

Also Published As

Publication number Publication date
SE354096B (fr) 1973-02-26
GB1236124A (en) 1971-06-23
DE1752645A1 (de) 1971-06-03
CH519093A (de) 1972-02-15
AT295829B (de) 1972-01-25
LU58966A1 (fr) 1969-11-11
NL6909015A (fr) 1969-12-30
BE735246A (fr) 1969-12-01

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Legal Events

Date Code Title Description
ST Notification of lapse