JPH0447757B2 - - Google Patents

Info

Publication number
JPH0447757B2
JPH0447757B2 JP20779984A JP20779984A JPH0447757B2 JP H0447757 B2 JPH0447757 B2 JP H0447757B2 JP 20779984 A JP20779984 A JP 20779984A JP 20779984 A JP20779984 A JP 20779984A JP H0447757 B2 JPH0447757 B2 JP H0447757B2
Authority
JP
Japan
Prior art keywords
core bit
steady rest
core
attached
main body
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
JP20779984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6187091A (ja
Inventor
Takatoshi Ueno
Kazunori Mitsuyama
Yoshikazu Abe
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.)
Shimizu Construction Co Ltd
Original Assignee
Shimizu Construction 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 Shimizu Construction Co Ltd filed Critical Shimizu Construction Co Ltd
Priority to JP20779984A priority Critical patent/JPS6187091A/ja
Publication of JPS6187091A publication Critical patent/JPS6187091A/ja
Publication of JPH0447757B2 publication Critical patent/JPH0447757B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP20779984A 1984-10-03 1984-10-03 コアボ−リング機のコアビツト振れ止め装置 Granted JPS6187091A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20779984A JPS6187091A (ja) 1984-10-03 1984-10-03 コアボ−リング機のコアビツト振れ止め装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20779984A JPS6187091A (ja) 1984-10-03 1984-10-03 コアボ−リング機のコアビツト振れ止め装置

Publications (2)

Publication Number Publication Date
JPS6187091A JPS6187091A (ja) 1986-05-02
JPH0447757B2 true JPH0447757B2 (OSRAM) 1992-08-04

Family

ID=16545682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20779984A Granted JPS6187091A (ja) 1984-10-03 1984-10-03 コアボ−リング機のコアビツト振れ止め装置

Country Status (1)

Country Link
JP (1) JPS6187091A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5015223B2 (ja) * 2009-10-30 2012-08-29 第一建設工業株式会社 不要水飛散防止装置，削孔装置及び削孔方法

Also Published As

Publication number Publication date
JPS6187091A (ja) 1986-05-02

Similar Documents

Publication Publication Date Title
JPH0132007B2 (OSRAM)
JPH0447757B2 (OSRAM)
CN210256021U (zh) 一种具有回收碎屑功能的机械加工台
CN106903347A (zh) 能够提高安全性能的钻枪
CN213898833U (zh) 一种地基施工用钻孔装置
CN107570740B (zh) 一种立式专用钻孔机
CN108637756A (zh) 一种工业机械钻孔设备
JP2519659B2 (ja) 油圧式ショベル系掘削機のア―ムに取付けて使用する削岩機及びそれを使用した削岩方法
JPH0418115B2 (OSRAM)
CN211072647U (zh) 一种建筑工程用板材打孔装置
JP2002096319A (ja) コアドリル装置
JP3676700B2 (ja) タンクの穴明け装置
CN215092361U (zh) 一种数控车床碎屑收集装置
CN212169080U (zh) 一种工业机械安装用定位钻孔装置
CN216828785U (zh) 一种门窗加工用钻床
CN220561892U (zh) 一种水利工程用钻孔机
CN221856709U (zh) 一种钻孔取芯机
CN215469923U (zh) 一种火灾防护门加工用的高精度打孔设备
CN208825611U (zh) 一种带有自动排屑机构的铝板钻孔装置
CN223849633U (zh) 一种在回弹法测取碳化深度时凿孔的工具
CN219464822U (zh) 一种防变形的钢管穿孔机
JPH0726477Y2 (ja) 削孔用ビット
CN223621552U (zh) 一种采矿地质测量钻探用的安全防护装置
CN210996576U (zh) 一种自动进刀强力钻床
KR20220076844A (ko) 복합소재부품 가공용 스핀들 머신