NL6406203A - - Google Patents

Info

Publication number
NL6406203A
NL6406203A NL6406203A NL6406203A NL6406203A NL 6406203 A NL6406203 A NL 6406203A NL 6406203 A NL6406203 A NL 6406203A NL 6406203 A NL6406203 A NL 6406203A NL 6406203 A NL6406203 A NL 6406203A
Authority
NL
Netherlands
Application number
NL6406203A
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
Priority claimed from DEF28402A external-priority patent/DE1100257B/de
Priority claimed from DEF28520A external-priority patent/DE1131386B/de
Application filed filed Critical
Publication of NL6406203A publication Critical patent/NL6406203A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/04Drills for trepanning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2226/00Materials of tools or workpieces not comprising a metal
    • B23B2226/75Stone, rock or concrete

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)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
NL6406203A 1959-05-08 1964-06-02 NL6406203A (he)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF28402A DE1100257B (de) 1959-05-08 1959-05-08 Bohrmeissel fuer die Herstellung von Duebelloechern in Beton, Mauerwerk od. dgl.
DEF28520A DE1131386B (de) 1959-05-26 1959-05-26 Bohrmeissel fuer die Herstellung von Duebelloechern in Beton, Mauerwerk od. dgl.

Publications (1)

Publication Number Publication Date
NL6406203A true NL6406203A (he) 1964-07-27

Family

ID=25974305

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6406203A NL6406203A (he) 1959-05-08 1964-06-02

Country Status (4)

Country Link
BE (1) BE590565A (he)
CH (1) CH378027A (he)
GB (2) GB954020A (he)
NL (1) NL6406203A (he)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK56178A (da) * 1978-02-07 1979-08-08 M B Nielsen Fremgangsmaade og vaerktoej til brug ved boring af et hul i armeret beton

Also Published As

Publication number Publication date
CH378027A (de) 1964-05-31
GB954020A (en) 1964-04-02
BE590565A (fr) 1960-09-01
GB955410A (en) 1964-04-15

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