AT262129B - Drills for making drill holes in building materials - Google Patents

Drills for making drill holes in building materials

Info

Publication number
AT262129B
AT262129B AT408066A AT408066A AT262129B AT 262129 B AT262129 B AT 262129B AT 408066 A AT408066 A AT 408066A AT 408066 A AT408066 A AT 408066A AT 262129 B AT262129 B AT 262129B
Authority
AT
Austria
Prior art keywords
drills
building materials
drill holes
making drill
making
Prior art date
Application number
AT408066A
Other languages
German (de)
Inventor
Artur Fischer
Original Assignee
Artur Fischer
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 Artur Fischer filed Critical Artur Fischer
Application granted granted Critical
Publication of AT262129B publication Critical patent/AT262129B/en

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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (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)
AT408066A 1965-05-31 1966-04-29 Drills for making drill holes in building materials AT262129B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0046199 1965-05-31

Publications (1)

Publication Number Publication Date
AT262129B true AT262129B (en) 1968-05-27

Family

ID=7100899

Family Applications (1)

Application Number Title Priority Date Filing Date
AT408066A AT262129B (en) 1965-05-31 1966-04-29 Drills for making drill holes in building materials

Country Status (6)

Country Link
AT (1) AT262129B (en)
BE (1) BE680639A (en)
CH (1) CH437098A (en)
DK (1) DK116852B (en)
GB (1) GB1126103A (en)
NL (1) NL6607195A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555924Y2 (en) * 1976-01-28 1980-12-25

Also Published As

Publication number Publication date
NL6607195A (en) 1966-12-01
BE680639A (en) 1966-10-17
DE1427710A1 (en) 1969-01-16
CH437098A (en) 1967-05-31
DK116852B (en) 1970-02-16
GB1126103A (en) 1968-09-05

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