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JPS51117387A - Composite taper drill - Google Patents

Composite taper drill

Info

Publication number
JPS51117387A
JPS51117387A JP4368575A JP4368575A JPS51117387A JP S51117387 A JPS51117387 A JP S51117387A JP 4368575 A JP4368575 A JP 4368575A JP 4368575 A JP4368575 A JP 4368575A JP S51117387 A JPS51117387 A JP S51117387A
Authority
JP
Japan
Prior art keywords
drill
taper drill
composite taper
composite
old
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.)
Pending
Application number
JP4368575A
Other languages
Japanese (ja)
Inventor
Kiyoshi Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP4368575A priority Critical patent/JPS51117387A/en
Publication of JPS51117387A publication Critical patent/JPS51117387A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/006—Conical shanks of tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)

Abstract

PURPOSE: To abruptly repalce old drill with new drill when the cutting edge of the old drill is broken.
COPYRIGHT: (C)1976,JPO&Japio
JP4368575A 1975-04-08 1975-04-08 Composite taper drill Pending JPS51117387A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4368575A JPS51117387A (en) 1975-04-08 1975-04-08 Composite taper drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4368575A JPS51117387A (en) 1975-04-08 1975-04-08 Composite taper drill

Publications (1)

Publication Number Publication Date
JPS51117387A true JPS51117387A (en) 1976-10-15

Family

ID=12670687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4368575A Pending JPS51117387A (en) 1975-04-08 1975-04-08 Composite taper drill

Country Status (1)

Country Link
JP (1) JPS51117387A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931536A1 (en) * 1988-09-22 1990-04-05 Yoshinobu Kobayashi Miniature twist drill - inserted in bore of shank with its plain end soldered

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931536A1 (en) * 1988-09-22 1990-04-05 Yoshinobu Kobayashi Miniature twist drill - inserted in bore of shank with its plain end soldered

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