JPS6133106Y2 - - Google Patents
Info
- Publication number
- JPS6133106Y2 JPS6133106Y2 JP10362081U JP10362081U JPS6133106Y2 JP S6133106 Y2 JPS6133106 Y2 JP S6133106Y2 JP 10362081 U JP10362081 U JP 10362081U JP 10362081 U JP10362081 U JP 10362081U JP S6133106 Y2 JPS6133106 Y2 JP S6133106Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- bit
- cutter
- vertical shaft
- hollow vertical
- 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
Links
- 238000005553 drilling Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10362081U JPS6133106Y2 (un) | 1981-07-13 | 1981-07-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10362081U JPS6133106Y2 (un) | 1981-07-13 | 1981-07-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57168586U JPS57168586U (un) | 1982-10-23 |
JPS6133106Y2 true JPS6133106Y2 (un) | 1986-09-26 |
Family
ID=29898227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10362081U Expired JPS6133106Y2 (un) | 1981-07-13 | 1981-07-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6133106Y2 (un) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011021466A (ja) * | 2009-06-15 | 2011-02-03 | Heitaro Fukuda | 岩盤用ドリルヘッド |
JP6636549B2 (ja) * | 2018-01-31 | 2020-01-29 | エポコラム機工株式会社 | 掘削ヘッド |
JP2019183420A (ja) * | 2018-04-03 | 2019-10-24 | 鉄建建設株式会社 | ドリルヘッド、ドリル掘削機及び掘削孔の構築方法 |
-
1981
- 1981-07-13 JP JP10362081U patent/JPS6133106Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57168586U (un) | 1982-10-23 |
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