JPH02150207U - - Google Patents

Info

Publication number
JPH02150207U
JPH02150207U JP5952889U JP5952889U JPH02150207U JP H02150207 U JPH02150207 U JP H02150207U JP 5952889 U JP5952889 U JP 5952889U JP 5952889 U JP5952889 U JP 5952889U JP H02150207 U JPH02150207 U JP H02150207U
Authority
JP
Japan
Prior art keywords
shank
diameter
core drill
core
slightly smaller
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
JP5952889U
Other languages
English (en)
Other versions
JPH0756168Y2 (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 JP1989059528U priority Critical patent/JPH0756168Y2/ja
Publication of JPH02150207U publication Critical patent/JPH02150207U/ja
Application granted granted Critical
Publication of JPH0756168Y2 publication Critical patent/JPH0756168Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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図はコアドリルの断面図、第2図は変形態
様の部分断面図、第3図はコアドリルを取付けた
スタンドの側面図、第4,5図は従来例による削
孔時の動作順を示す断面図である。 2……シヤンク、3……ダイヤチツプ、4……
コアドリル、5,7……スプリング、8……凹部

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 筒状のシヤンクと、シヤンク先端に設けら
    れる研削部とよりなるコアドリルにおいて、シヤ
    ンク内部に装着され、内径がコア径と同じか、や
    ゝ小さく、かつ外径がシヤンク内径よりもやゝ小
    さな回転方向に巻いたスプリングと、シヤンク内
    部に装着されたスプリングの抜け止め手段とを設
    けてなるコアドリル。 (2) 抜け止め手段は段である請求項1記載のコ
    アドリル。 (3) 段はテーパ状に形成される請求項2記載の
    コアドリル。
JP1989059528U 1989-05-22 1989-05-22 コアドリル Expired - Fee Related JPH0756168Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989059528U JPH0756168Y2 (ja) 1989-05-22 1989-05-22 コアドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989059528U JPH0756168Y2 (ja) 1989-05-22 1989-05-22 コアドリル

Publications (2)

Publication Number Publication Date
JPH02150207U true JPH02150207U (ja) 1990-12-25
JPH0756168Y2 JPH0756168Y2 (ja) 1995-12-25

Family

ID=31586102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989059528U Expired - Fee Related JPH0756168Y2 (ja) 1989-05-22 1989-05-22 コアドリル

Country Status (1)

Country Link
JP (1) JPH0756168Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010084551A1 (ja) * 2009-01-26 2010-07-29 株式会社ミヤナガ コアドリル
JP4621858B1 (ja) * 2009-11-09 2011-01-26 株式会社さつま工業 建造物穿孔装置、吊下アタッチメント、及び建造物穿孔工法
CN108360975A (zh) * 2018-04-02 2018-08-03 镇江市建科工程质量检测中心有限公司 一种适用于沥青路面的取芯钻及取芯机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142213U (ja) * 1979-04-02 1980-10-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142213U (ja) * 1979-04-02 1980-10-11

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010084551A1 (ja) * 2009-01-26 2010-07-29 株式会社ミヤナガ コアドリル
JP4621858B1 (ja) * 2009-11-09 2011-01-26 株式会社さつま工業 建造物穿孔装置、吊下アタッチメント、及び建造物穿孔工法
JP2011099300A (ja) * 2009-11-09 2011-05-19 Satsuma Kogyo:Kk 建造物穿孔装置、吊下アタッチメント、及び建造物穿孔工法
CN108360975A (zh) * 2018-04-02 2018-08-03 镇江市建科工程质量检测中心有限公司 一种适用于沥青路面的取芯钻及取芯机
CN108360975B (zh) * 2018-04-02 2024-04-09 镇江市建设工程质量检测中心有限公司 一种适用于沥青路面的取芯钻及取芯机

Also Published As

Publication number Publication date
JPH0756168Y2 (ja) 1995-12-25

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees