JPS6457198U - - Google Patents

Info

Publication number
JPS6457198U
JPS6457198U JP15068787U JP15068787U JPS6457198U JP S6457198 U JPS6457198 U JP S6457198U JP 15068787 U JP15068787 U JP 15068787U JP 15068787 U JP15068787 U JP 15068787U JP S6457198 U JPS6457198 U JP S6457198U
Authority
JP
Japan
Prior art keywords
cutter bit
cutter
view
shield
cutting edge
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
JP15068787U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0526155Y2 (US20080005853A1-20080110-C00027.png
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 JP1987150687U priority Critical patent/JPH0526155Y2/ja
Publication of JPS6457198U publication Critical patent/JPS6457198U/ja
Application granted granted Critical
Publication of JPH0526155Y2 publication Critical patent/JPH0526155Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1987150687U 1987-10-01 1987-10-01 Expired - Lifetime JPH0526155Y2 (US20080005853A1-20080110-C00027.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987150687U JPH0526155Y2 (US20080005853A1-20080110-C00027.png) 1987-10-01 1987-10-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987150687U JPH0526155Y2 (US20080005853A1-20080110-C00027.png) 1987-10-01 1987-10-01

Publications (2)

Publication Number Publication Date
JPS6457198U true JPS6457198U (US20080005853A1-20080110-C00027.png) 1989-04-10
JPH0526155Y2 JPH0526155Y2 (US20080005853A1-20080110-C00027.png) 1993-07-01

Family

ID=31424052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987150687U Expired - Lifetime JPH0526155Y2 (US20080005853A1-20080110-C00027.png) 1987-10-01 1987-10-01

Country Status (1)

Country Link
JP (1) JPH0526155Y2 (US20080005853A1-20080110-C00027.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587094A (ja) * 1981-07-07 1983-01-14 前田建設工業株式会社 トンネル掘進機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587094A (ja) * 1981-07-07 1983-01-14 前田建設工業株式会社 トンネル掘進機

Also Published As

Publication number Publication date
JPH0526155Y2 (US20080005853A1-20080110-C00027.png) 1993-07-01

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