DE262345C - - Google Patents

Info

Publication number
DE262345C
DE262345C DENDAT262345D DE262345DA DE262345C DE 262345 C DE262345 C DE 262345C DE NDAT262345 D DENDAT262345 D DE NDAT262345D DE 262345D A DE262345D A DE 262345DA DE 262345 C DE262345 C DE 262345C
Authority
DE
Germany
Prior art keywords
drill
wedge
head
pointed
driving
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT262345D
Other languages
German (de)
English (en)
Publication of DE262345C publication Critical patent/DE262345C/de
Active legal-status Critical Current

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
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/62—Drilling tools having means to reinforce the shank, e.g. drills having small shanks being gripped by devices having a larger shank

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
DENDAT262345D Active DE262345C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE262345C true DE262345C (enrdf_load_stackoverflow)

Family

ID=519813

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT262345D Active DE262345C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE262345C (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0460237A4 (en) * 1989-12-25 1992-07-08 Sumitomo Electric Industries, Ltd. Throw-away drill
EP0441302B1 (en) * 1990-02-05 1995-07-19 Sumitomo Electric Industries, Ltd. Throw-away tipped drill
EP0443517B1 (en) * 1990-02-20 1995-09-06 Sumitomo Electric Industries, Ltd. Throw-away tipped drill

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0460237A4 (en) * 1989-12-25 1992-07-08 Sumitomo Electric Industries, Ltd. Throw-away drill
US5228812A (en) * 1989-12-25 1993-07-20 Sumitomo Electric Industries, Ltd. Throw-away tipped drill
EP0441302B1 (en) * 1990-02-05 1995-07-19 Sumitomo Electric Industries, Ltd. Throw-away tipped drill
EP0443517B1 (en) * 1990-02-20 1995-09-06 Sumitomo Electric Industries, Ltd. Throw-away tipped drill

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