JPH0222174Y2 - - Google Patents

Info

Publication number
JPH0222174Y2
JPH0222174Y2 JP9816687U JP9816687U JPH0222174Y2 JP H0222174 Y2 JPH0222174 Y2 JP H0222174Y2 JP 9816687 U JP9816687 U JP 9816687U JP 9816687 U JP9816687 U JP 9816687U JP H0222174 Y2 JPH0222174 Y2 JP H0222174Y2
Authority
JP
Japan
Prior art keywords
cylindrical body
cutting
wall
core drill
discharge hole
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
JP9816687U
Other languages
English (en)
Japanese (ja)
Other versions
JPS644509U (en:Method
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
Priority to JP9816687U priority Critical patent/JPH0222174Y2/ja
Publication of JPS644509U publication Critical patent/JPS644509U/ja
Application granted granted Critical
Publication of JPH0222174Y2 publication Critical patent/JPH0222174Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
JP9816687U 1987-06-26 1987-06-26 Expired JPH0222174Y2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9816687U JPH0222174Y2 (en:Method) 1987-06-26 1987-06-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9816687U JPH0222174Y2 (en:Method) 1987-06-26 1987-06-26

Publications (2)

Publication Number Publication Date
JPS644509U JPS644509U (en:Method) 1989-01-12
JPH0222174Y2 true JPH0222174Y2 (en:Method) 1990-06-14

Family

ID=31324186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9816687U Expired JPH0222174Y2 (en:Method) 1987-06-26 1987-06-26

Country Status (1)

Country Link
JP (1) JPH0222174Y2 (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09192912A (ja) * 1996-01-18 1997-07-29 Yunika Kk 切削屑排出孔を備えたコアドリル
CA2855404C (en) * 2013-07-02 2016-09-13 Irwin Industrial Tool Company Hole cutter
KR101898989B1 (ko) * 2018-04-03 2018-09-14 코리아에프에이(주) 복합소재단열재 패널용 롱홀쏘

Also Published As

Publication number Publication date
JPS644509U (en:Method) 1989-01-12

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