JP2513198Y2 - ボ―リングマシンのケ―シングチュ―ブ締付装置 - Google Patents

ボ―リングマシンのケ―シングチュ―ブ締付装置

Info

Publication number
JP2513198Y2
JP2513198Y2 JP1989085005U JP8500589U JP2513198Y2 JP 2513198 Y2 JP2513198 Y2 JP 2513198Y2 JP 1989085005 U JP1989085005 U JP 1989085005U JP 8500589 U JP8500589 U JP 8500589U JP 2513198 Y2 JP2513198 Y2 JP 2513198Y2
Authority
JP
Japan
Prior art keywords
tightening
hydraulic
switching valve
casing tube
hydraulic pump
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
JP1989085005U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0325687U (enrdf_load_stackoverflow
Inventor
定親 水田
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP1989085005U priority Critical patent/JP2513198Y2/ja
Publication of JPH0325687U publication Critical patent/JPH0325687U/ja
Application granted granted Critical
Publication of JP2513198Y2 publication Critical patent/JP2513198Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Fluid-Pressure Circuits (AREA)
JP1989085005U 1989-07-21 1989-07-21 ボ―リングマシンのケ―シングチュ―ブ締付装置 Expired - Lifetime JP2513198Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989085005U JP2513198Y2 (ja) 1989-07-21 1989-07-21 ボ―リングマシンのケ―シングチュ―ブ締付装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989085005U JP2513198Y2 (ja) 1989-07-21 1989-07-21 ボ―リングマシンのケ―シングチュ―ブ締付装置

Publications (2)

Publication Number Publication Date
JPH0325687U JPH0325687U (enrdf_load_stackoverflow) 1991-03-15
JP2513198Y2 true JP2513198Y2 (ja) 1996-10-02

Family

ID=31633869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989085005U Expired - Lifetime JP2513198Y2 (ja) 1989-07-21 1989-07-21 ボ―リングマシンのケ―シングチュ―ブ締付装置

Country Status (1)

Country Link
JP (1) JP2513198Y2 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5568994A (en) * 1978-11-21 1980-05-24 Onoda Cement Co Ltd Device for automatically opening*closing rod holder and chuck of drilling machine in connection with each other

Also Published As

Publication number Publication date
JPH0325687U (enrdf_load_stackoverflow) 1991-03-15

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term