JPS5397201A - Method and device for making bulb part in base ground - Google Patents
Method and device for making bulb part in base groundInfo
- Publication number
- JPS5397201A JPS5397201A JP1133377A JP1133377A JPS5397201A JP S5397201 A JPS5397201 A JP S5397201A JP 1133377 A JP1133377 A JP 1133377A JP 1133377 A JP1133377 A JP 1133377A JP S5397201 A JPS5397201 A JP S5397201A
- Authority
- JP
- Japan
- Prior art keywords
- bulb part
- base ground
- making bulb
- making
- ground
- 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.)
- Pending
Links
Landscapes
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1133377A JPS5397201A (en) | 1977-02-04 | 1977-02-04 | Method and device for making bulb part in base ground |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1133377A JPS5397201A (en) | 1977-02-04 | 1977-02-04 | Method and device for making bulb part in base ground |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5397201A true JPS5397201A (en) | 1978-08-25 |
Family
ID=11775095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1133377A Pending JPS5397201A (en) | 1977-02-04 | 1977-02-04 | Method and device for making bulb part in base ground |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5397201A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6268922A (en) * | 1985-09-20 | 1987-03-30 | Mitani Sekisan Kk | Excavating method for hole and enlarging device for hole diameter |
JP2016196082A (en) * | 2013-02-19 | 2016-11-24 | Fsテクニカル株式会社 | Drill bit for diameter expansion |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3472553A (en) * | 1967-05-03 | 1969-10-14 | Bruno H Miller | Method of and apparatus for extracting bitumen |
-
1977
- 1977-02-04 JP JP1133377A patent/JPS5397201A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3472553A (en) * | 1967-05-03 | 1969-10-14 | Bruno H Miller | Method of and apparatus for extracting bitumen |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6268922A (en) * | 1985-09-20 | 1987-03-30 | Mitani Sekisan Kk | Excavating method for hole and enlarging device for hole diameter |
JP2016196082A (en) * | 2013-02-19 | 2016-11-24 | Fsテクニカル株式会社 | Drill bit for diameter expansion |
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