JPS6141838Y2 - - Google Patents

Info

Publication number
JPS6141838Y2
JPS6141838Y2 JP11011781U JP11011781U JPS6141838Y2 JP S6141838 Y2 JPS6141838 Y2 JP S6141838Y2 JP 11011781 U JP11011781 U JP 11011781U JP 11011781 U JP11011781 U JP 11011781U JP S6141838 Y2 JPS6141838 Y2 JP S6141838Y2
Authority
JP
Japan
Prior art keywords
bit
cutting edge
tip
edge tip
primary
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
JP11011781U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5816298U (ja
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 JP11011781U priority Critical patent/JPS5816298U/ja
Publication of JPS5816298U publication Critical patent/JPS5816298U/ja
Application granted granted Critical
Publication of JPS6141838Y2 publication Critical patent/JPS6141838Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP11011781U 1981-07-24 1981-07-24 シ−ルド掘進機 Granted JPS5816298U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11011781U JPS5816298U (ja) 1981-07-24 1981-07-24 シ−ルド掘進機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11011781U JPS5816298U (ja) 1981-07-24 1981-07-24 シ−ルド掘進機

Publications (2)

Publication Number Publication Date
JPS5816298U JPS5816298U (ja) 1983-02-01
JPS6141838Y2 true JPS6141838Y2 (en:Method) 1986-11-27

Family

ID=29904475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11011781U Granted JPS5816298U (ja) 1981-07-24 1981-07-24 シ−ルド掘進機

Country Status (1)

Country Link
JP (1) JPS5816298U (en:Method)

Also Published As

Publication number Publication date
JPS5816298U (ja) 1983-02-01

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