JPS53135088A - Drilling method by drill of small diameter and device for carrying out thereof - Google Patents

Drilling method by drill of small diameter and device for carrying out thereof

Info

Publication number
JPS53135088A
JPS53135088A JP4850877A JP4850877A JPS53135088A JP S53135088 A JPS53135088 A JP S53135088A JP 4850877 A JP4850877 A JP 4850877A JP 4850877 A JP4850877 A JP 4850877A JP S53135088 A JPS53135088 A JP S53135088A
Authority
JP
Japan
Prior art keywords
drill
carrying
small diameter
drilling method
drilling
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
JP4850877A
Other languages
Japanese (ja)
Inventor
Tomozou Kawakita
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.)
Hokushin Industries Corp
Tungaloy Corp
Original Assignee
Hokushin Industries Corp
Toshiba Tungaloy Co Ltd
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 Hokushin Industries Corp, Toshiba Tungaloy Co Ltd filed Critical Hokushin Industries Corp
Priority to JP4850877A priority Critical patent/JPS53135088A/en
Publication of JPS53135088A publication Critical patent/JPS53135088A/en
Pending legal-status Critical Current

Links

Landscapes

  • Drilling And Boring (AREA)
JP4850877A 1977-04-28 1977-04-28 Drilling method by drill of small diameter and device for carrying out thereof Pending JPS53135088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4850877A JPS53135088A (en) 1977-04-28 1977-04-28 Drilling method by drill of small diameter and device for carrying out thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4850877A JPS53135088A (en) 1977-04-28 1977-04-28 Drilling method by drill of small diameter and device for carrying out thereof

Publications (1)

Publication Number Publication Date
JPS53135088A true JPS53135088A (en) 1978-11-25

Family

ID=12805304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4850877A Pending JPS53135088A (en) 1977-04-28 1977-04-28 Drilling method by drill of small diameter and device for carrying out thereof

Country Status (1)

Country Link
JP (1) JPS53135088A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02152706A (en) * 1988-06-02 1990-06-12 Hiraoka Kogyo Kk Punch press for printed circuit board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02152706A (en) * 1988-06-02 1990-06-12 Hiraoka Kogyo Kk Punch press for printed circuit board

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