AT295829B - Hohlbohrkrone - Google Patents

Hohlbohrkrone

Info

Publication number
AT295829B
AT295829B AT556369A AT556369A AT295829B AT 295829 B AT295829 B AT 295829B AT 556369 A AT556369 A AT 556369A AT 556369 A AT556369 A AT 556369A AT 295829 B AT295829 B AT 295829B
Authority
AT
Austria
Prior art keywords
drill bit
hollow drill
hollow
bit
drill
Prior art date
Application number
AT556369A
Other languages
English (en)
Original Assignee
Hawera Harmetall Werkzeugfabri
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 Harmetall Werkzeugfabri filed Critical Hawera Harmetall Werkzeugfabri
Application granted granted Critical
Publication of AT295829B publication Critical patent/AT295829B/de

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)
AT556369A 1968-06-27 1969-06-12 Hohlbohrkrone AT295829B (de)

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
AT295829B true AT295829B (de) 1972-01-25

Family

ID=5692884

Family Applications (1)

Application Number Title Priority Date Filing Date
AT556369A AT295829B (de) 1968-06-27 1969-06-12 Hohlbohrkrone

Country Status (9)

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

Families Citing this family (7)

* 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
DK56178A (da) * 1978-02-07 1979-08-08 M B Nielsen Fremgangsmaade og vaerktoej til brug ved boring af et hul i armeret beton
FR2447783A1 (fr) * 1979-02-02 1980-08-29 Hawera Probst Gmbh Foret a pierre ou beton avec tete de forage en metal dur
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

Also Published As

Publication number Publication date
LU58966A1 (de) 1969-11-11
CH519093A (de) 1972-02-15
FR2014332A1 (de) 1970-04-17
DE1752645A1 (de) 1971-06-03
BE735246A (de) 1969-12-01
SE354096B (de) 1973-02-26
GB1236124A (en) 1971-06-23
NL6909015A (de) 1969-12-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee