JPH0442391Y2 - - Google Patents

Info

Publication number
JPH0442391Y2
JPH0442391Y2 JP3405687U JP3405687U JPH0442391Y2 JP H0442391 Y2 JPH0442391 Y2 JP H0442391Y2 JP 3405687 U JP3405687 U JP 3405687U JP 3405687 U JP3405687 U JP 3405687U JP H0442391 Y2 JPH0442391 Y2 JP H0442391Y2
Authority
JP
Japan
Prior art keywords
pick
tip
pressure water
groove
injection nozzle
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
JP3405687U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63141288U (enrdf_load_stackoverflow
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 JP3405687U priority Critical patent/JPH0442391Y2/ja
Publication of JPS63141288U publication Critical patent/JPS63141288U/ja
Application granted granted Critical
Publication of JPH0442391Y2 publication Critical patent/JPH0442391Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP3405687U 1987-03-09 1987-03-09 Expired JPH0442391Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3405687U JPH0442391Y2 (enrdf_load_stackoverflow) 1987-03-09 1987-03-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3405687U JPH0442391Y2 (enrdf_load_stackoverflow) 1987-03-09 1987-03-09

Publications (2)

Publication Number Publication Date
JPS63141288U JPS63141288U (enrdf_load_stackoverflow) 1988-09-16
JPH0442391Y2 true JPH0442391Y2 (enrdf_load_stackoverflow) 1992-10-06

Family

ID=30842243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3405687U Expired JPH0442391Y2 (enrdf_load_stackoverflow) 1987-03-09 1987-03-09

Country Status (1)

Country Link
JP (1) JPH0442391Y2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013213365A (ja) * 2012-04-03 2013-10-17 Daiho Constr Co Ltd 切削ビットおよびこの切削ビットを用いたシールド掘進機
JP2022073602A (ja) * 2020-11-02 2022-05-17 Ｊｉｍテクノロジー株式会社 トンネル掘削機

Also Published As

Publication number Publication date
JPS63141288U (enrdf_load_stackoverflow) 1988-09-16

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