GB1236124A - Hollow crown drill - Google Patents

Hollow crown drill

Info

Publication number
GB1236124A
GB1236124A GB32284/69A GB3228469A GB1236124A GB 1236124 A GB1236124 A GB 1236124A GB 32284/69 A GB32284/69 A GB 32284/69A GB 3228469 A GB3228469 A GB 3228469A GB 1236124 A GB1236124 A GB 1236124A
Authority
GB
United Kingdom
Prior art keywords
crown drill
hollow crown
june
drill
inserts
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
Application number
GB32284/69A
Other languages
English (en)
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 GB1236124A publication Critical patent/GB1236124A/en
Expired 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)
GB32284/69A 1968-06-27 1969-06-26 Hollow crown drill Expired GB1236124A (en)

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
GB1236124A true GB1236124A (en) 1971-06-23

Family

ID=5692884

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32284/69A Expired GB1236124A (en) 1968-06-27 1969-06-26 Hollow crown drill

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
DE1752645A1 (de) 1971-06-03
BE735246A (de) 1969-12-01
SE354096B (de) 1973-02-26
NL6909015A (de) 1969-12-30
FR2014332A1 (de) 1970-04-17
AT295829B (de) 1972-01-25
CH519093A (de) 1972-02-15

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