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
Links
- 238000009412 basement excavation Methods 0.000 claims description 3
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987084918U JPH0444708Y2 (de) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987084918U JPH0444708Y2 (de) | 1987-05-29 | 1987-05-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63194994U true JPS63194994U (de) | 1988-12-15 |
JPH0444708Y2 JPH0444708Y2 (de) | 1992-10-21 |
Family
ID=30939847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987084918U Expired JPH0444708Y2 (de) | 1987-05-29 | 1987-05-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0444708Y2 (de) |
Cited By (4)
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)
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 |
-
1987
- 1987-05-29 JP JP1987084918U patent/JPH0444708Y2/ja not_active Expired
Patent Citations (1)
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)
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 (de) | 1992-10-21 |