JPH0338314Y2 - - Google Patents

Info

Publication number
JPH0338314Y2
JPH0338314Y2 JP1985001446U JP144685U JPH0338314Y2 JP H0338314 Y2 JPH0338314 Y2 JP H0338314Y2 JP 1985001446 U JP1985001446 U JP 1985001446U JP 144685 U JP144685 U JP 144685U JP H0338314 Y2 JPH0338314 Y2 JP H0338314Y2
Authority
JP
Japan
Prior art keywords
cutter
over
digging
base material
cutting
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
JP1985001446U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61121293U (instruction
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 JP1985001446U priority Critical patent/JPH0338314Y2/ja
Publication of JPS61121293U publication Critical patent/JPS61121293U/ja
Application granted granted Critical
Publication of JPH0338314Y2 publication Critical patent/JPH0338314Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1985001446U 1985-01-11 1985-01-11 Expired JPH0338314Y2 (instruction)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985001446U JPH0338314Y2 (instruction) 1985-01-11 1985-01-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985001446U JPH0338314Y2 (instruction) 1985-01-11 1985-01-11

Publications (2)

Publication Number Publication Date
JPS61121293U JPS61121293U (instruction) 1986-07-31
JPH0338314Y2 true JPH0338314Y2 (instruction) 1991-08-13

Family

ID=30474203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985001446U Expired JPH0338314Y2 (instruction) 1985-01-11 1985-01-11

Country Status (1)

Country Link
JP (1) JPH0338314Y2 (instruction)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0521595Y2 (instruction) * 1987-03-23 1993-06-02
JPH07550Y2 (ja) * 1988-06-29 1995-01-11 大豊建設株式会社 両方向切削ビット

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53128127A (en) * 1977-04-13 1978-11-08 Kumagai Gumi Co Ltd Shield excavator
JPS6014878Y2 (ja) * 1980-09-22 1985-05-11 石川島播磨重工業株式会社 シ−ルド掘進機用カツタビツト

Also Published As

Publication number Publication date
JPS61121293U (instruction) 1986-07-31

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