JPH0286710U - - Google Patents

Info

Publication number
JPH0286710U
JPH0286710U JP16704088U JP16704088U JPH0286710U JP H0286710 U JPH0286710 U JP H0286710U JP 16704088 U JP16704088 U JP 16704088U JP 16704088 U JP16704088 U JP 16704088U JP H0286710 U JPH0286710 U JP H0286710U
Authority
JP
Japan
Prior art keywords
core
core bit
drill
diamond
diamond core
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.)
Granted
Application number
JP16704088U
Other languages
English (en)
Other versions
JPH0545442Y2 (ja
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 JP16704088U priority Critical patent/JPH0545442Y2/ja
Publication of JPH0286710U publication Critical patent/JPH0286710U/ja
Application granted granted Critical
Publication of JPH0545442Y2 publication Critical patent/JPH0545442Y2/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)

Description

【図面の簡単な説明】
第１図、第２図は、本考案になるコアドリルの
一実施例を示す側面断面図、第３図は従来例を示
す斜視図、第４図は、穿孔の進行により注水装置
が収縮した状態を示す側面断面図、第５図は、従
来のコア抜き作業を示す側面断面図である。 図において、１は回転工具、２はダイヤモンド
コアビツト、３は注水装置、４は被穿孔材、５は
耐水性部材、６はコア、７は穴明け位置決め治具
、８はワイヤーである。

Claims (1)

    【実用新案登録請求の範囲】
  1. ドリル等の回転工具と先端に取付けられたダイ
    ヤモンドコアビツトで構成されるコアドリルにお
    いて前記ダイヤモンドコアビツト胴内に、長手方
    向に伸縮可能で、穿孔作業中には、穿孔深さが深
    くなるに従い収縮しながら前記ダイヤモンドコア
    ビツトの刃部に注水する注水装置となる貯液室と
    、前記貯液室の先端部に、前記ダイヤモンドコア
    ビツトと遊嵌状態で挿入可能な円柱形状を持ち、
    片面に被削孔材に接着する粘着材のついた耐水性
    部材で構成されることを特徴とするコアドリル。
JP16704088U 1988-12-23 1988-12-23 Expired - Lifetime JPH0545442Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16704088U JPH0545442Y2 (ja) 1988-12-23 1988-12-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16704088U JPH0545442Y2 (ja) 1988-12-23 1988-12-23

Publications (2)

Publication Number Publication Date
JPH0286710U true JPH0286710U (ja) 1990-07-10
JPH0545442Y2 JPH0545442Y2 (ja) 1993-11-19

Family

ID=31454975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16704088U Expired - Lifetime JPH0545442Y2 (ja) 1988-12-23 1988-12-23

Country Status (1)

Country Link
JP (1) JPH0545442Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019001043A (ja) * 2017-06-14 2019-01-10 株式会社安部日鋼工業 コア削孔用ガイド

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019001043A (ja) * 2017-06-14 2019-01-10 株式会社安部日鋼工業 コア削孔用ガイド

Also Published As

Publication number Publication date
JPH0545442Y2 (ja) 1993-11-19

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