JPH0312638B2 - - Google Patents

Info

Publication number
JPH0312638B2
JPH0312638B2 JP24795084A JP24795084A JPH0312638B2 JP H0312638 B2 JPH0312638 B2 JP H0312638B2 JP 24795084 A JP24795084 A JP 24795084A JP 24795084 A JP24795084 A JP 24795084A JP H0312638 B2 JPH0312638 B2 JP H0312638B2
Authority
JP
Japan
Prior art keywords
wear
bit
cutter
detection
metal rod
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
JP24795084A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61126298A (ja
Inventor
Yasuaki Harada
Toshinori Teramoto
Akira Imamura
Kenji Gohara
Michiaki Morita
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP24795084A priority Critical patent/JPS61126298A/ja
Publication of JPS61126298A publication Critical patent/JPS61126298A/ja
Publication of JPH0312638B2 publication Critical patent/JPH0312638B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP24795084A 1984-11-26 1984-11-26 シ−ルド掘進機における摩耗検知装置 Granted JPS61126298A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24795084A JPS61126298A (ja) 1984-11-26 1984-11-26 シ−ルド掘進機における摩耗検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24795084A JPS61126298A (ja) 1984-11-26 1984-11-26 シ−ルド掘進機における摩耗検知装置

Publications (2)

Publication Number Publication Date
JPS61126298A JPS61126298A (ja) 1986-06-13
JPH0312638B2 true JPH0312638B2 (enrdf_load_stackoverflow) 1991-02-20

Family

ID=17170956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24795084A Granted JPS61126298A (ja) 1984-11-26 1984-11-26 シ−ルド掘進機における摩耗検知装置

Country Status (1)

Country Link
JP (1) JPS61126298A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4600686B2 (ja) * 2002-04-18 2010-12-15 五洋建設株式会社 シールド掘進機

Also Published As

Publication number Publication date
JPS61126298A (ja) 1986-06-13

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