ZA765309B - Drilling unit - Google Patents

Drilling unit

Info

Publication number
ZA765309B
ZA765309B ZA765309A ZA765309A ZA765309B ZA 765309 B ZA765309 B ZA 765309B ZA 765309 A ZA765309 A ZA 765309A ZA 765309 A ZA765309 A ZA 765309A ZA 765309 B ZA765309 B ZA 765309B
Authority
ZA
South Africa
Prior art keywords
drilling unit
drilling
unit
Prior art date
Application number
ZA765309A
Inventor
K Fischer
A Fischer
Original Assignee
Fischer Artur
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 DE19752539521 external-priority patent/DE2539521C2/en
Application filed by Fischer Artur filed Critical Fischer Artur
Publication of ZA765309B publication Critical patent/ZA765309B/en

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
ZA765309A 1975-09-05 1976-07-09 Drilling unit ZA765309B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752539521 DE2539521C2 (en) 1975-09-05 Drilling unit

Publications (1)

Publication Number Publication Date
ZA765309B true ZA765309B (en) 1977-08-31

Family

ID=5955684

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA765309A ZA765309B (en) 1975-09-05 1976-07-09 Drilling unit

Country Status (2)

Country Link
SU (1) SU656483A3 (en)
ZA (1) ZA765309B (en)

Also Published As

Publication number Publication date
DE2539521B1 (en) 1976-09-23
DE2539521A1 (en) 1976-09-23
SU656483A3 (en) 1979-04-05

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