JPH02120595U - - Google Patents

Info

Publication number
JPH02120595U
JPH02120595U JP2862889U JP2862889U JPH02120595U JP H02120595 U JPH02120595 U JP H02120595U JP 2862889 U JP2862889 U JP 2862889U JP 2862889 U JP2862889 U JP 2862889U JP H02120595 U JPH02120595 U JP H02120595U
Authority
JP
Japan
Prior art keywords
auger screw
tip
pit
buried pipe
digging head
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
JP2862889U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0649671Y2 (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 JP1989028628U priority Critical patent/JPH0649671Y2/ja
Publication of JPH02120595U publication Critical patent/JPH02120595U/ja
Application granted granted Critical
Publication of JPH0649671Y2 publication Critical patent/JPH0649671Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1989028628U 1989-03-14 1989-03-14 管埋設装置 Expired - Lifetime JPH0649671Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989028628U JPH0649671Y2 (ja) 1989-03-14 1989-03-14 管埋設装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989028628U JPH0649671Y2 (ja) 1989-03-14 1989-03-14 管埋設装置

Publications (2)

Publication Number Publication Date
JPH02120595U true JPH02120595U (enExample) 1990-09-28
JPH0649671Y2 JPH0649671Y2 (ja) 1994-12-14

Family

ID=31252154

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989028628U Expired - Lifetime JPH0649671Y2 (ja) 1989-03-14 1989-03-14 管埋設装置

Country Status (1)

Country Link
JP (1) JPH0649671Y2 (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01150692U (enExample) * 1988-04-08 1989-10-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01150692U (enExample) * 1988-04-08 1989-10-18

Also Published As

Publication number Publication date
JPH0649671Y2 (ja) 1994-12-14

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term