JPS6426196U - - Google Patents
Info
- Publication number
- JPS6426196U JPS6426196U JP12184787U JP12184787U JPS6426196U JP S6426196 U JPS6426196 U JP S6426196U JP 12184787 U JP12184787 U JP 12184787U JP 12184787 U JP12184787 U JP 12184787U JP S6426196 U JPS6426196 U JP S6426196U
- Authority
- JP
- Japan
- Prior art keywords
- die
- hole
- circumferential surface
- roller
- serration
- 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.)
- Pending
Links
- 238000004080 punching Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
第１図は従来例の側面図、第２図は第１図の一
部拡大断面図、第３図は本考案の実施例の断面図
、第４図は作動状態の説明図である。
１，２…転輪、３…ダイス、４…ピン、５…セ
レーシヨン孔、１０…面。
FIG. 1 is a side view of a conventional example, FIG. 2 is a partially enlarged sectional view of FIG. 1, FIG. 3 is a sectional view of an embodiment of the present invention, and FIG. 4 is an explanatory diagram of an operating state. 1, 2... Rolling wheel, 3... Die, 4... Pin, 5... Serration hole, 10... Surface.
Claims (1)
方の転輪の周面にセレーシヨン孔を有するダイス
を設けると共に他方の転輪の周面に該ダイス内に
没入するピンを突設した孔抜装置に於いて、該ダ
イスのセレーシヨン孔を開孔形成する面を球状又
は円錐状の突出曲面に形成したことを特徴とする
孔抜装置用ダイス。 A die having a serration hole is provided on the circumferential surface of one of a pair of roller wheels that rotate in opposite directions, and a hole is provided on the circumferential surface of the other roller with a protruding pin that is recessed into the die. 1. A die for a punching device, characterized in that a surface of the die for forming serration holes is formed into a spherical or conical protruding curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12184787U JPS6426196U (en) | 1987-08-08 | 1987-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12184787U JPS6426196U (en) | 1987-08-08 | 1987-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6426196U true JPS6426196U (en) | 1989-02-14 |
Family
ID=31369231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12184787U Pending JPS6426196U (en) | 1987-08-08 | 1987-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6426196U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273015A (en) * | 1979-06-04 | 1981-06-16 | Johnson Donald R | Dome head punch |
-
1987
- 1987-08-08 JP JP12184787U patent/JPS6426196U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273015A (en) * | 1979-06-04 | 1981-06-16 | Johnson Donald R | Dome head punch |