BE836478A - DRILLING UNIT - Google Patents

DRILLING UNIT

Info

Publication number
BE836478A
BE836478A BE162608A BE162608A BE836478A BE 836478 A BE836478 A BE 836478A BE 162608 A BE162608 A BE 162608A BE 162608 A BE162608 A BE 162608A BE 836478 A BE836478 A BE 836478A
Authority
BE
Belgium
Prior art keywords
drilling unit
drilling
unit
Prior art date
Application number
BE162608A
Other languages
French (fr)
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 filed Critical
Publication of BE836478A publication Critical patent/BE836478A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/02—Percussive tool bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/0018—Drills for enlarging a hole
    • B23B51/0027—Drills for enlarging a hole by tool swivelling
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/068—Flexible members

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (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)
BE162608A 1974-12-11 1975-12-10 DRILLING UNIT BE836478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742458615 DE2458615A1 (en) 1974-12-11 1974-12-11 Masonry hole enlarging tool - has helical spring shank and rotary or percussive drive to enlarged head

Publications (1)

Publication Number Publication Date
BE836478A true BE836478A (en) 1976-04-01

Family

ID=5933162

Family Applications (1)

Application Number Title Priority Date Filing Date
BE162608A BE836478A (en) 1974-12-11 1975-12-10 DRILLING UNIT

Country Status (3)

Country Link
BE (1) BE836478A (en)
DE (1) DE2458615A1 (en)
ZA (1) ZA757476B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114000830B (en) * 2022-01-04 2022-03-01 烟台集纳智能科技有限公司 Grouting reinforcement drilling device capable of being adjusted in two directions
EP4420815A1 (en) 2023-02-24 2024-08-28 Hilti Aktiengesellschaft Hammer drill and associated method of operation to produce an undercut borehole

Also Published As

Publication number Publication date
ZA757476B (en) 1976-11-24
DE2458615A1 (en) 1976-06-16

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