GB1238584A - - Google Patents

Info

Publication number
GB1238584A
GB1238584A GB1238584DA GB1238584A GB 1238584 A GB1238584 A GB 1238584A GB 1238584D A GB1238584D A GB 1238584DA GB 1238584 A GB1238584 A GB 1238584A
Authority
GB
United Kingdom
Prior art keywords
cutter
aug
sleeve
rod
tool
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.)
Expired
Application number
Other languages
English (en)
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 GB1238584A publication Critical patent/GB1238584A/en
Expired 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
    • B23B51/10—Bits for countersinking
    • B23B51/102—Back spot-facing or chamfering

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Turning (AREA)
GB1238584D 1968-08-27 1969-08-19 Expired GB1238584A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1297768A CH480116A (de) 1968-08-27 1968-08-27 Rückwärts-Bohrstange

Publications (1)

Publication Number Publication Date
GB1238584A true GB1238584A (enrdf_load_stackoverflow) 1971-07-07

Family

ID=4388172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1238584D Expired GB1238584A (enrdf_load_stackoverflow) 1968-08-27 1969-08-19

Country Status (3)

Country Link
CH (1) CH480116A (enrdf_load_stackoverflow)
DE (2) DE1940101A1 (enrdf_load_stackoverflow)
GB (1) GB1238584A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE6931168U (de) 1978-03-16
DE1940101A1 (de) 1970-03-05
CH480116A (de) 1969-10-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee