JPH0444708Y2 - - Google Patents

Info

Publication number
JPH0444708Y2
JPH0444708Y2 JP1987084918U JP8491887U JPH0444708Y2 JP H0444708 Y2 JPH0444708 Y2 JP H0444708Y2 JP 1987084918 U JP1987084918 U JP 1987084918U JP 8491887 U JP8491887 U JP 8491887U JP H0444708 Y2 JPH0444708 Y2 JP H0444708Y2
Authority
JP
Japan
Prior art keywords
groove
joint
vertical groove
cylinder
middle cylinder
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
Application number
JP1987084918U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63194994U (ru
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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  • Earth Drilling (AREA)
JP1987084918U 1987-05-29 1987-05-29 Expired JPH0444708Y2 (ru)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=30939847

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0444708Y2 (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0613767B2 (ja) * 1989-08-25 1994-02-23 株式会社松沢基工 掘削ケーシング
JP3325249B2 (ja) * 1999-12-22 2002-09-17 文男 星 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

Also Published As

Publication number Publication date
JPS63194994U (ru) 1988-12-15

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