JPH0325920Y2 - - Google Patents
Info
- Publication number
- JPH0325920Y2 JPH0325920Y2 JP2972185U JP2972185U JPH0325920Y2 JP H0325920 Y2 JPH0325920 Y2 JP H0325920Y2 JP 2972185 U JP2972185 U JP 2972185U JP 2972185 U JP2972185 U JP 2972185U JP H0325920 Y2 JPH0325920 Y2 JP H0325920Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- groove
- inclination angle
- shaft
- perforator
- 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 6
- 238000004080 punching Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect 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 |
|---|---|---|---|
| JP2972185U JPH0325920Y2 (en]) | 1985-03-04 | 1985-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2972185U JPH0325920Y2 (en]) | 1985-03-04 | 1985-03-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61148600U JPS61148600U (en]) | 1986-09-12 |
| JPH0325920Y2 true JPH0325920Y2 (en]) | 1991-06-05 |
Family
ID=30528786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2972185U Expired JPH0325920Y2 (en]) | 1985-03-04 | 1985-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325920Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5573522B2 (ja) * | 2010-09-10 | 2014-08-20 | 株式会社リコー | 穿孔ピン、穿孔装置、用紙処理装置及び画像形成装置 |
-
1985
- 1985-03-04 JP JP2972185U patent/JPH0325920Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61148600U (en]) | 1986-09-12 |
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