JPH0347840Y2 - - Google Patents
Info
- Publication number
- JPH0347840Y2 JPH0347840Y2 JP7321984U JP7321984U JPH0347840Y2 JP H0347840 Y2 JPH0347840 Y2 JP H0347840Y2 JP 7321984 U JP7321984 U JP 7321984U JP 7321984 U JP7321984 U JP 7321984U JP H0347840 Y2 JPH0347840 Y2 JP H0347840Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- paper
- diameter
- inclined surface
- hole
- 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 9
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 description 20
- 238000005553 drilling Methods 0.000 description 16
- 230000002093 peripheral effect Effects 0.000 description 14
- 239000000835 fiber Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 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 |
|---|---|---|---|
| JP7321984U JPS60186199U (ja) | 1984-05-21 | 1984-05-21 | 紙用穿孔刃 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7321984U JPS60186199U (ja) | 1984-05-21 | 1984-05-21 | 紙用穿孔刃 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60186199U JPS60186199U (ja) | 1985-12-10 |
| JPH0347840Y2 true JPH0347840Y2 (2) | 1991-10-11 |
Family
ID=30612371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7321984U Granted JPS60186199U (ja) | 1984-05-21 | 1984-05-21 | 紙用穿孔刃 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60186199U (2) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019017543A1 (ko) * | 2017-07-20 | 2019-01-24 | 류기택 | 탈취금형 및 이것의 제조 방법 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2585205Y2 (ja) * | 1992-11-05 | 1998-11-18 | 大阪瓦斯株式会社 | 穿孔具 |
| KR102802342B1 (ko) * | 2018-12-13 | 2025-04-29 | 스미또모 가가꾸 가부시키가이샤 | 펀칭 용구 및 편광판의 펀칭 방법 |
-
1984
- 1984-05-21 JP JP7321984U patent/JPS60186199U/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019017543A1 (ko) * | 2017-07-20 | 2019-01-24 | 류기택 | 탈취금형 및 이것의 제조 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60186199U (ja) | 1985-12-10 |
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