JPH0612895Y2 - コアドリル - Google Patents

コアドリル

Info

Publication number
JPH0612895Y2
JPH0612895Y2 JP1920889U JP1920889U JPH0612895Y2 JP H0612895 Y2 JPH0612895 Y2 JP H0612895Y2 JP 1920889 U JP1920889 U JP 1920889U JP 1920889 U JP1920889 U JP 1920889U JP H0612895 Y2 JPH0612895 Y2 JP H0612895Y2
Authority
JP
Japan
Prior art keywords
cylindrical body
core drill
engaging portion
shank
notch
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 - Lifetime
Application number
JP1920889U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02111504U (en:Method
Inventor
勝夫 伊藤
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.)
Koyokizai Co Ltd
Original Assignee
Koyokizai 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 Koyokizai Co Ltd filed Critical Koyokizai Co Ltd
Priority to JP1920889U priority Critical patent/JPH0612895Y2/ja
Publication of JPH02111504U publication Critical patent/JPH02111504U/ja
Application granted granted Critical
Publication of JPH0612895Y2 publication Critical patent/JPH0612895Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
JP1920889U 1989-02-20 1989-02-20 コアドリル Expired - Lifetime JPH0612895Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1920889U JPH0612895Y2 (ja) 1989-02-20 1989-02-20 コアドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1920889U JPH0612895Y2 (ja) 1989-02-20 1989-02-20 コアドリル

Publications (2)

Publication Number Publication Date
JPH02111504U JPH02111504U (en:Method) 1990-09-06
JPH0612895Y2 true JPH0612895Y2 (ja) 1994-04-06

Family

ID=31234518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1920889U Expired - Lifetime JPH0612895Y2 (ja) 1989-02-20 1989-02-20 コアドリル

Country Status (1)

Country Link
JP (1) JPH0612895Y2 (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0747244B2 (ja) * 1991-02-19 1995-05-24 株式会社ミヤナガ コアドリル
JP2739915B2 (ja) * 1992-03-12 1998-04-15 ユニカ株式会社 円筒形状穿孔工具
JP2558054B2 (ja) * 1993-06-30 1996-11-27 日東工器株式会社 環状カッタ

Also Published As

Publication number Publication date
JPH02111504U (en:Method) 1990-09-06

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