JPH0442160B2 - - Google Patents
Info
- Publication number
- JPH0442160B2 JPH0442160B2 JP3675583A JP3675583A JPH0442160B2 JP H0442160 B2 JPH0442160 B2 JP H0442160B2 JP 3675583 A JP3675583 A JP 3675583A JP 3675583 A JP3675583 A JP 3675583A JP H0442160 B2 JPH0442160 B2 JP H0442160B2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- flexible material
- hole
- drilling
- reuter
- 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
- 239000000463 material Substances 0.000 claims description 24
- 238000005553 drilling Methods 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3675583A JPS59166498A (ja) | 1983-03-08 | 1983-03-08 | 孔設装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3675583A JPS59166498A (ja) | 1983-03-08 | 1983-03-08 | 孔設装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59166498A JPS59166498A (ja) | 1984-09-19 |
JPH0442160B2 true JPH0442160B2 (zh) | 1992-07-10 |
Family
ID=12478554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3675583A Granted JPS59166498A (ja) | 1983-03-08 | 1983-03-08 | 孔設装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59166498A (zh) |
-
1983
- 1983-03-08 JP JP3675583A patent/JPS59166498A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59166498A (ja) | 1984-09-19 |
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