JPS58176192U - 地中穿孔機の穿孔用ロツド装置 - Google Patents

地中穿孔機の穿孔用ロツド装置

Info

Publication number
JPS58176192U
JPS58176192U JP7187282U JP7187282U JPS58176192U JP S58176192 U JPS58176192 U JP S58176192U JP 7187282 U JP7187282 U JP 7187282U JP 7187282 U JP7187282 U JP 7187282U JP S58176192 U JPS58176192 U JP S58176192U
Authority
JP
Japan
Prior art keywords
female
pin
male
drilling
underground
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
JP7187282U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6312230Y2 (enrdf_load_stackoverflow
Inventor
城治 中村
玉置　博昭
賢治 山田
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP7187282U priority Critical patent/JPS58176192U/ja
Publication of JPS58176192U publication Critical patent/JPS58176192U/ja
Application granted granted Critical
Publication of JPS6312230Y2 publication Critical patent/JPS6312230Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7187282U 1982-05-19 1982-05-19 地中穿孔機の穿孔用ロツド装置 Granted JPS58176192U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7187282U JPS58176192U (ja) 1982-05-19 1982-05-19 地中穿孔機の穿孔用ロツド装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7187282U JPS58176192U (ja) 1982-05-19 1982-05-19 地中穿孔機の穿孔用ロツド装置

Publications (2)

Publication Number Publication Date
JPS58176192U true JPS58176192U (ja) 1983-11-25
JPS6312230Y2 JPS6312230Y2 (enrdf_load_stackoverflow) 1988-04-08

Family

ID=30081463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7187282U Granted JPS58176192U (ja) 1982-05-19 1982-05-19 地中穿孔機の穿孔用ロツド装置

Country Status (1)

Country Link
JP (1) JPS58176192U (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS527901U (enrdf_load_stackoverflow) * 1975-07-04 1977-01-20
JPS5310301A (en) * 1976-07-16 1978-01-30 Masaharu Shiyouji Drilling rod extending connector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS527901U (enrdf_load_stackoverflow) * 1975-07-04 1977-01-20
JPS5310301A (en) * 1976-07-16 1978-01-30 Masaharu Shiyouji Drilling rod extending connector

Also Published As

Publication number Publication date
JPS6312230Y2 (enrdf_load_stackoverflow) 1988-04-08

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