AT373520B - Bohrer mit wenigstens zwei schneidplaettchen - Google Patents

Bohrer mit wenigstens zwei schneidplaettchen

Info

Publication number
AT373520B
AT373520B AT0525979A AT525979A AT373520B AT 373520 B AT373520 B AT 373520B AT 0525979 A AT0525979 A AT 0525979A AT 525979 A AT525979 A AT 525979A AT 373520 B AT373520 B AT 373520B
Authority
AT
Austria
Prior art keywords
drill
cutting boards
boards
cutting
Prior art date
Application number
AT0525979A
Other languages
English (en)
Other versions
ATA525979A (de
Inventor
Hermann Gehri
Original Assignee
Stellram Sa
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 CH820878A external-priority patent/CH623249A5/fr
Priority claimed from CH473379A external-priority patent/CH630827A5/fr
Application filed by Stellram Sa filed Critical Stellram Sa
Publication of ATA525979A publication Critical patent/ATA525979A/de
Application granted granted Critical
Publication of AT373520B publication Critical patent/AT373520B/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/04—Overall shape
    • B23B2200/0461—Round

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
AT0525979A 1978-08-01 1979-07-31 Bohrer mit wenigstens zwei schneidplaettchen AT373520B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH820878A CH623249A5 (en) 1978-08-01 1978-08-01 Drill bit with removable cutting tips
CH473379A CH630827A5 (en) 1979-05-21 1979-05-21 Drill bit with removable cutting tips

Publications (2)

Publication Number Publication Date
ATA525979A ATA525979A (de) 1983-06-15
AT373520B true AT373520B (de) 1984-01-25

Family

ID=25696158

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0525979A AT373520B (de) 1978-08-01 1979-07-31 Bohrer mit wenigstens zwei schneidplaettchen

Country Status (5)

Country Link
EP (1) EP0007512B1 (de)
AT (1) AT373520B (de)
DE (1) DE2962392D1 (de)
FI (1) FI75291C (de)
IT (1) IT1122186B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338050A (en) * 1980-07-07 1982-07-06 The Boeing Company Method and tool for generating holes in composite materials

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1029476A (en) * 1962-05-10 1966-05-11 Stora Kopparbergs Bergslags Ab A deep-hole drill

Also Published As

Publication number Publication date
IT1122186B (it) 1986-04-23
FI75291C (fi) 1988-06-09
FI792392A (fi) 1980-02-02
EP0007512B1 (de) 1982-03-31
IT7924366A0 (it) 1979-07-16
DE2962392D1 (en) 1982-05-06
ATA525979A (de) 1983-06-15
EP0007512A1 (de) 1980-02-06
FI75291B (fi) 1988-02-29

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee