JPH083520Y2 - シールド掘削機のカツタビット - Google Patents

シールド掘削機のカツタビット

Info

Publication number
JPH083520Y2
JPH083520Y2 JP9976390U JP9976390U JPH083520Y2 JP H083520 Y2 JPH083520 Y2 JP H083520Y2 JP 9976390 U JP9976390 U JP 9976390U JP 9976390 U JP9976390 U JP 9976390U JP H083520 Y2 JPH083520 Y2 JP H083520Y2
Authority
JP
Japan
Prior art keywords
base metal
cemented carbide
thermal expansion
shield excavator
expansion coefficient
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 - Fee Related
Application number
JP9976390U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0457592U (en]
Inventor
隆夫 松本
和之 岡本
豊 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP9976390U priority Critical patent/JPH083520Y2/ja
Publication of JPH0457592U publication Critical patent/JPH0457592U/ja
Application granted granted Critical
Publication of JPH083520Y2 publication Critical patent/JPH083520Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
JP9976390U 1990-09-26 1990-09-26 シールド掘削機のカツタビット Expired - Fee Related JPH083520Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9976390U JPH083520Y2 (ja) 1990-09-26 1990-09-26 シールド掘削機のカツタビット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9976390U JPH083520Y2 (ja) 1990-09-26 1990-09-26 シールド掘削機のカツタビット

Publications (2)

Publication Number Publication Date
JPH0457592U JPH0457592U (en]) 1992-05-18
JPH083520Y2 true JPH083520Y2 (ja) 1996-01-31

Family

ID=31841907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9976390U Expired - Fee Related JPH083520Y2 (ja) 1990-09-26 1990-09-26 シールド掘削機のカツタビット

Country Status (1)

Country Link
JP (1) JPH083520Y2 (en])

Also Published As

Publication number Publication date
JPH0457592U (en]) 1992-05-18

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Legal Events

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