JPH0342899U - - Google Patents

Info

Publication number
JPH0342899U
JPH0342899U JP10193889U JP10193889U JPH0342899U JP H0342899 U JPH0342899 U JP H0342899U JP 10193889 U JP10193889 U JP 10193889U JP 10193889 U JP10193889 U JP 10193889U JP H0342899 U JPH0342899 U JP H0342899U
Authority
JP
Japan
Prior art keywords
drifter
drilling
tip
radial
rotated
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.)
Pending
Application number
JP10193889U
Other languages
English (en)
Japanese (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 JP10193889U priority Critical patent/JPH0342899U/ja
Publication of JPH0342899U publication Critical patent/JPH0342899U/ja
Pending legal-status Critical Current

Links

JP10193889U 1989-08-31 1989-08-31 Pending JPH0342899U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10193889U JPH0342899U (enrdf_load_stackoverflow) 1989-08-31 1989-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10193889U JPH0342899U (enrdf_load_stackoverflow) 1989-08-31 1989-08-31

Publications (1)

Publication Number Publication Date
JPH0342899U true JPH0342899U (enrdf_load_stackoverflow) 1991-04-23

Family

ID=31650860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10193889U Pending JPH0342899U (enrdf_load_stackoverflow) 1989-08-31 1989-08-31

Country Status (1)

Country Link
JP (1) JPH0342899U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002121781A (ja) * 2000-10-13 2002-04-26 Hokushin Kogyo Kk 節水駒及び節水装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789094A (en) * 1980-11-21 1982-06-03 Nippon Tetsudo Kensetsu Kodan Apparatus for drilling ground in tunnel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789094A (en) * 1980-11-21 1982-06-03 Nippon Tetsudo Kensetsu Kodan Apparatus for drilling ground in tunnel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002121781A (ja) * 2000-10-13 2002-04-26 Hokushin Kogyo Kk 節水駒及び節水装置

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