JPH0349197Y2 - - Google Patents

Info

Publication number
JPH0349197Y2
JPH0349197Y2 JP1985033496U JP3349685U JPH0349197Y2 JP H0349197 Y2 JPH0349197 Y2 JP H0349197Y2 JP 1985033496 U JP1985033496 U JP 1985033496U JP 3349685 U JP3349685 U JP 3349685U JP H0349197 Y2 JPH0349197 Y2 JP H0349197Y2
Authority
JP
Japan
Prior art keywords
pipe
shoe
bit
auger
tip
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
JP1985033496U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61152096U (en:Method
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 JP1985033496U priority Critical patent/JPH0349197Y2/ja
Publication of JPS61152096U publication Critical patent/JPS61152096U/ja
Application granted granted Critical
Publication of JPH0349197Y2 publication Critical patent/JPH0349197Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1985033496U 1985-03-07 1985-03-07 Expired JPH0349197Y2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985033496U JPH0349197Y2 (en:Method) 1985-03-07 1985-03-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985033496U JPH0349197Y2 (en:Method) 1985-03-07 1985-03-07

Publications (2)

Publication Number Publication Date
JPS61152096U JPS61152096U (en:Method) 1986-09-19
JPH0349197Y2 true JPH0349197Y2 (en:Method) 1991-10-21

Family

ID=30536001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985033496U Expired JPH0349197Y2 (en:Method) 1985-03-07 1985-03-07

Country Status (1)

Country Link
JP (1) JPH0349197Y2 (en:Method)

Also Published As

Publication number Publication date
JPS61152096U (en:Method) 1986-09-19

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