JPS62172797U - - Google Patents

Info

Publication number
JPS62172797U
JPS62172797U JP6015986U JP6015986U JPS62172797U JP S62172797 U JPS62172797 U JP S62172797U JP 6015986 U JP6015986 U JP 6015986U JP 6015986 U JP6015986 U JP 6015986U JP S62172797 U JPS62172797 U JP S62172797U
Authority
JP
Japan
Prior art keywords
mud
seal
diameter side
cutter
addition
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
JP6015986U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0352875Y2 (enrdf_load_stackoverflow
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 JP6015986U priority Critical patent/JPH0352875Y2/ja
Publication of JPS62172797U publication Critical patent/JPS62172797U/ja
Application granted granted Critical
Publication of JPH0352875Y2 publication Critical patent/JPH0352875Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP6015986U 1986-04-23 1986-04-23 Expired JPH0352875Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6015986U JPH0352875Y2 (enrdf_load_stackoverflow) 1986-04-23 1986-04-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6015986U JPH0352875Y2 (enrdf_load_stackoverflow) 1986-04-23 1986-04-23

Publications (2)

Publication Number Publication Date
JPS62172797U true JPS62172797U (enrdf_load_stackoverflow) 1987-11-02
JPH0352875Y2 JPH0352875Y2 (enrdf_load_stackoverflow) 1991-11-18

Family

ID=30892323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6015986U Expired JPH0352875Y2 (enrdf_load_stackoverflow) 1986-04-23 1986-04-23

Country Status (1)

Country Link
JP (1) JPH0352875Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0352875Y2 (enrdf_load_stackoverflow) 1991-11-18

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