JPH0260838B2 - - Google Patents

Info

Publication number
JPH0260838B2
JPH0260838B2 JP62228140A JP22814087A JPH0260838B2 JP H0260838 B2 JPH0260838 B2 JP H0260838B2 JP 62228140 A JP62228140 A JP 62228140A JP 22814087 A JP22814087 A JP 22814087A JP H0260838 B2 JPH0260838 B2 JP H0260838B2
Authority
JP
Japan
Prior art keywords
tube
outer tube
pipe
inner tube
distal end
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 - Lifetime
Application number
JP62228140A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63181887A (ja
Inventor
Takao Yokohata
Akio Okajima
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.)
TOHO CHIKA KOKI KK
Original Assignee
TOHO CHIKA KOKI KK
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 TOHO CHIKA KOKI KK filed Critical TOHO CHIKA KOKI KK
Priority to JP22814087A priority Critical patent/JPS63181887A/ja
Publication of JPS63181887A publication Critical patent/JPS63181887A/ja
Publication of JPH0260838B2 publication Critical patent/JPH0260838B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP22814087A 1987-09-11 1987-09-11 管の埋設用堀削機 Granted JPS63181887A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22814087A JPS63181887A (ja) 1987-09-11 1987-09-11 管の埋設用堀削機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22814087A JPS63181887A (ja) 1987-09-11 1987-09-11 管の埋設用堀削機

Publications (2)

Publication Number Publication Date
JPS63181887A JPS63181887A (ja) 1988-07-27
JPH0260838B2 true JPH0260838B2 (en]) 1990-12-18

Family

ID=16871845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22814087A Granted JPS63181887A (ja) 1987-09-11 1987-09-11 管の埋設用堀削機

Country Status (1)

Country Link
JP (1) JPS63181887A (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878903A (en) * 1973-12-04 1975-04-22 Martin Dee Cherrington Apparatus and process for drilling underground arcuate paths
JPS5840154Y2 (ja) * 1978-01-25 1983-09-09 株式会社小松製作所 管埋設機の先導装置

Also Published As

Publication number Publication date
JPS63181887A (ja) 1988-07-27

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