JPS63163913U - - Google Patents

Info

Publication number
JPS63163913U
JPS63163913U JP5726687U JP5726687U JPS63163913U JP S63163913 U JPS63163913 U JP S63163913U JP 5726687 U JP5726687 U JP 5726687U JP 5726687 U JP5726687 U JP 5726687U JP S63163913 U JPS63163913 U JP S63163913U
Authority
JP
Japan
Prior art keywords
ring
grindstone body
diamond grindstone
shaped diamond
diameter
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
JP5726687U
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
Priority to JP5726687U priority Critical patent/JPS63163913U/ja
Publication of JPS63163913U publication Critical patent/JPS63163913U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る多段ダイヤモンドコアド
リルの一実施例を示す縦断正面図、第2図及び第
3図はそれぞれ他の実施例を示す縦断正面図であ
る。また第4図及び第5図は従来のコアドリルの
縦断正面図である。 11……シヤンク、12,13……環状砥石体

Claims (1)

    【実用新案登録請求の範囲】
  1. 所定径の穴を貫通するための工具先端の環状ダ
    イヤモンド砥石体と、段部造成用の大径の環状ダ
    イヤモンド砥石体とを、たがいに所要の間隔を置
    いて設けた多段ダイヤモンドコアドリル。
JP5726687U 1987-04-15 1987-04-15 Pending JPS63163913U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5726687U JPS63163913U (ja) 1987-04-15 1987-04-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5726687U JPS63163913U (ja) 1987-04-15 1987-04-15

Publications (1)

Publication Number Publication Date
JPS63163913U true JPS63163913U (ja) 1988-10-26

Family

ID=30886819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5726687U Pending JPS63163913U (ja) 1987-04-15 1987-04-15

Country Status (1)

Country Link
JP (1) JPS63163913U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008307760A (ja) * 2007-06-13 2008-12-25 Hanex Co Ltd 削孔ビット及び削孔方法
JP2010082725A (ja) * 2008-09-30 2010-04-15 Consec Corp ホールソー
JP2013256051A (ja) * 2012-06-12 2013-12-26 Shimizu Corp コンクリートコア採取装置及びコンクリートコアの採取方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008307760A (ja) * 2007-06-13 2008-12-25 Hanex Co Ltd 削孔ビット及び削孔方法
JP2010082725A (ja) * 2008-09-30 2010-04-15 Consec Corp ホールソー
JP2013256051A (ja) * 2012-06-12 2013-12-26 Shimizu Corp コンクリートコア採取装置及びコンクリートコアの採取方法

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