JPS639440Y2 - - Google Patents
Info
- Publication number
- JPS639440Y2 JPS639440Y2 JP17555084U JP17555084U JPS639440Y2 JP S639440 Y2 JPS639440 Y2 JP S639440Y2 JP 17555084 U JP17555084 U JP 17555084U JP 17555084 U JP17555084 U JP 17555084U JP S639440 Y2 JPS639440 Y2 JP S639440Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- cutting blade
- shaped protrusion
- slit
- notch
- 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
- 238000005520 cutting process Methods 0.000 claims description 41
- 239000011120 plywood Substances 0.000 claims description 8
- 239000011111 cardboard Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 239000000123 paper Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Making Paper Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17555084U JPS639440Y2 (en, 2012) | 1984-11-19 | 1984-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17555084U JPS639440Y2 (en, 2012) | 1984-11-19 | 1984-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6189499U JPS6189499U (en, 2012) | 1986-06-11 |
| JPS639440Y2 true JPS639440Y2 (en, 2012) | 1988-03-19 |
Family
ID=30733151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17555084U Expired JPS639440Y2 (en, 2012) | 1984-11-19 | 1984-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS639440Y2 (en, 2012) |
-
1984
- 1984-11-19 JP JP17555084U patent/JPS639440Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6189499U (en, 2012) | 1986-06-11 |
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