JPH0118257Y2 - - Google Patents
Info
- Publication number
- JPH0118257Y2 JPH0118257Y2 JP17813780U JP17813780U JPH0118257Y2 JP H0118257 Y2 JPH0118257 Y2 JP H0118257Y2 JP 17813780 U JP17813780 U JP 17813780U JP 17813780 U JP17813780 U JP 17813780U JP H0118257 Y2 JPH0118257 Y2 JP H0118257Y2
- Authority
- JP
- Japan
- Prior art keywords
- core body
- drilling
- core
- cutter
- chip discharge
- 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 31
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17813780U JPH0118257Y2 (enrdf_load_html_response) | 1980-12-10 | 1980-12-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17813780U JPH0118257Y2 (enrdf_load_html_response) | 1980-12-10 | 1980-12-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57100416U JPS57100416U (enrdf_load_html_response) | 1982-06-21 |
JPH0118257Y2 true JPH0118257Y2 (enrdf_load_html_response) | 1989-05-29 |
Family
ID=29972658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17813780U Expired JPH0118257Y2 (enrdf_load_html_response) | 1980-12-10 | 1980-12-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0118257Y2 (enrdf_load_html_response) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4689348B2 (ja) * | 2005-05-19 | 2011-05-25 | コスモ工機株式会社 | ホールカッター |
JP5144696B2 (ja) * | 2010-02-18 | 2013-02-13 | 国立大学法人名古屋大学 | 合成樹脂製タンク用孔明け装置 |
-
1980
- 1980-12-10 JP JP17813780U patent/JPH0118257Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57100416U (enrdf_load_html_response) | 1982-06-21 |
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