JPS6339039Y2 - - Google Patents
Info
- Publication number
- JPS6339039Y2 JPS6339039Y2 JP7619180U JP7619180U JPS6339039Y2 JP S6339039 Y2 JPS6339039 Y2 JP S6339039Y2 JP 7619180 U JP7619180 U JP 7619180U JP 7619180 U JP7619180 U JP 7619180U JP S6339039 Y2 JPS6339039 Y2 JP S6339039Y2
- Authority
- JP
- Japan
- Prior art keywords
- tip
- blade
- exterior body
- drilling
- perforating
- 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 description 14
- 239000000463 material Substances 0.000 description 11
- 238000004080 punching Methods 0.000 description 10
- 229920003002 synthetic resin Polymers 0.000 description 10
- 239000000057 synthetic resin Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7619180U JPS6339039Y2 (https=) | 1980-05-30 | 1980-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7619180U JPS6339039Y2 (https=) | 1980-05-30 | 1980-05-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56176200U JPS56176200U (https=) | 1981-12-25 |
| JPS6339039Y2 true JPS6339039Y2 (https=) | 1988-10-13 |
Family
ID=29438843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7619180U Expired JPS6339039Y2 (https=) | 1980-05-30 | 1980-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6339039Y2 (https=) |
-
1980
- 1980-05-30 JP JP7619180U patent/JPS6339039Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56176200U (https=) | 1981-12-25 |
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