JPS63194994U - - Google Patents

Info

Publication number
JPS63194994U
JPS63194994U JP8491887U JP8491887U JPS63194994U JP S63194994 U JPS63194994 U JP S63194994U JP 8491887 U JP8491887 U JP 8491887U JP 8491887 U JP8491887 U JP 8491887U JP S63194994 U JPS63194994 U JP S63194994U
Authority
JP
Japan
Prior art keywords
groove
joint member
width
engagement protrusion
engagement
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
JP8491887U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0444708Y2 (ko
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 JP1987084918U priority Critical patent/JPH0444708Y2/ja
Publication of JPS63194994U publication Critical patent/JPS63194994U/ja
Application granted granted Critical
Publication of JPH0444708Y2 publication Critical patent/JPH0444708Y2/ja
Expired legal-status Critical Current

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Landscapes

  • Earth Drilling (AREA)
JP1987084918U 1987-05-29 1987-05-29 Expired JPH0444708Y2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987084918U JPH0444708Y2 (ko) 1987-05-29 1987-05-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987084918U JPH0444708Y2 (ko) 1987-05-29 1987-05-29

Publications (2)

Publication Number Publication Date
JPS63194994U true JPS63194994U (ko) 1988-12-15
JPH0444708Y2 JPH0444708Y2 (ko) 1992-10-21

Family

ID=30939847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987084918U Expired JPH0444708Y2 (ko) 1987-05-29 1987-05-29

Country Status (1)

Country Link
JP (1) JPH0444708Y2 (ko)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0384115A (ja) * 1989-08-25 1991-04-09 Matsuzawa Kiko:Kk 掘削ケーシング
JP2001182470A (ja) * 1999-12-22 2001-07-06 Fumio Hoshi 土木工事用削孔ケーシング
KR101044485B1 (ko) 2009-12-30 2011-06-27 이규철 장심도 케이싱
JP2021110094A (ja) * 2020-01-06 2021-08-02 株式会社エヌテイマテックス ケーシング

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6340088A (ja) * 1986-08-04 1988-02-20 門崎　孝市 オーガ装置用掘削部材のジョイント構造

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6340088A (ja) * 1986-08-04 1988-02-20 門崎　孝市 オーガ装置用掘削部材のジョイント構造

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0384115A (ja) * 1989-08-25 1991-04-09 Matsuzawa Kiko:Kk 掘削ケーシング
JP2001182470A (ja) * 1999-12-22 2001-07-06 Fumio Hoshi 土木工事用削孔ケーシング
KR101044485B1 (ko) 2009-12-30 2011-06-27 이규철 장심도 케이싱
JP2021110094A (ja) * 2020-01-06 2021-08-02 株式会社エヌテイマテックス ケーシング

Also Published As

Publication number Publication date
JPH0444708Y2 (ko) 1992-10-21

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