JPS6145273Y2 - - Google Patents
Info
- Publication number
- JPS6145273Y2 JPS6145273Y2 JP1979101701U JP10170179U JPS6145273Y2 JP S6145273 Y2 JPS6145273 Y2 JP S6145273Y2 JP 1979101701 U JP1979101701 U JP 1979101701U JP 10170179 U JP10170179 U JP 10170179U JP S6145273 Y2 JPS6145273 Y2 JP S6145273Y2
- Authority
- JP
- Japan
- Prior art keywords
- head
- screw
- thread
- threads
- outer periphery
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979101701U JPS6145273Y2 (en]) | 1979-07-23 | 1979-07-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979101701U JPS6145273Y2 (en]) | 1979-07-23 | 1979-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5621080U JPS5621080U (en]) | 1981-02-24 |
JPS6145273Y2 true JPS6145273Y2 (en]) | 1986-12-19 |
Family
ID=29334441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1979101701U Expired JPS6145273Y2 (en]) | 1979-07-23 | 1979-07-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6145273Y2 (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62189292A (ja) * | 1987-02-17 | 1987-08-19 | 村崎 和雄 | ア−スオ−ガのドリルヘツド用爪 |
JP2016142127A (ja) * | 2015-02-03 | 2016-08-08 | 正二 伊藤 | 掘削ヘッド |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6027354B2 (ja) * | 1978-12-31 | 1985-06-28 | 輝夫 小井 | 地盤掘孔装置 |
-
1979
- 1979-07-23 JP JP1979101701U patent/JPS6145273Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5621080U (en]) | 1981-02-24 |
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