JPS624626Y2 - - Google Patents

Info

Publication number
JPS624626Y2
JPS624626Y2 JP18682581U JP18682581U JPS624626Y2 JP S624626 Y2 JPS624626 Y2 JP S624626Y2 JP 18682581 U JP18682581 U JP 18682581U JP 18682581 U JP18682581 U JP 18682581U JP S624626 Y2 JPS624626 Y2 JP S624626Y2
Authority
JP
Japan
Prior art keywords
bit
face plate
leading
leading bit
pin
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
JP18682581U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5890293U (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 JP18682581U priority Critical patent/JPS5890293U/ja
Publication of JPS5890293U publication Critical patent/JPS5890293U/ja
Application granted granted Critical
Publication of JPS624626Y2 publication Critical patent/JPS624626Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP18682581U 1981-12-15 1981-12-15 シ−ルド掘削機における先行ビツトの固定装置 Granted JPS5890293U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18682581U JPS5890293U (ja) 1981-12-15 1981-12-15 シ−ルド掘削機における先行ビツトの固定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18682581U JPS5890293U (ja) 1981-12-15 1981-12-15 シ−ルド掘削機における先行ビツトの固定装置

Publications (2)

Publication Number Publication Date
JPS5890293U JPS5890293U (ja) 1983-06-18
JPS624626Y2 true JPS624626Y2 (zh) 1987-02-02

Family

ID=29989109

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18682581U Granted JPS5890293U (ja) 1981-12-15 1981-12-15 シ−ルド掘削機における先行ビツトの固定装置

Country Status (1)

Country Link
JP (1) JPS5890293U (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0419108Y2 (zh) * 1986-01-10 1992-04-28
JP5635926B2 (ja) * 2011-03-14 2014-12-03 ジャパントンネルシステムズ株式会社 シールド掘進機

Also Published As

Publication number Publication date
JPS5890293U (ja) 1983-06-18

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