JPS553918A - Can forming method for plastic product or the like - Google Patents
Can forming method for plastic product or the likeInfo
- Publication number
- JPS553918A JPS553918A JP7616778A JP7616778A JPS553918A JP S553918 A JPS553918 A JP S553918A JP 7616778 A JP7616778 A JP 7616778A JP 7616778 A JP7616778 A JP 7616778A JP S553918 A JPS553918 A JP S553918A
- Authority
- JP
- Japan
- Prior art keywords
- hole
- metal lump
- cylinder
- lump
- polygonal
- 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.)
- Granted
Links
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
- Extrusion Of Metal (AREA)
Abstract
PURPOSE: To form an above-titled can of good appearance at high efficiency by squeezing a metal lump by use of a punch comprising a female die hole and a male die having specified fitting wall surfaces.
CONSTITUTION: A female die hole 2 having polygonal inside wall surfaces 3 slanted in the same direction is formed in a die 1, and a metal lump A such as Al lump is loaded in the hole 2. The metal lump A is struck on impulse by a male die 4 which is a round rod having a diameter smaller than that of the hole 2 and has plural grooves 6 slanted in the same direction as the polygonal surfaces 3 formed in the periphral surface of its head portion 5 slightly increased in diameter. The metal lump A rises through the gap α between the dies while rotating, to yield an angular cylinder A1 having spiral polygonal surfaces. The angular cylinder is cut up into a predetermined dimension, and fitted with plastic products such as tube and cap. Because of the presence of spiral ribs on the inside wall of the angular cylinder, the plastic products fit snugly to the cylinder, to yield a can of good appearance and smooth touch.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7616778A JPS553918A (en) | 1978-06-23 | 1978-06-23 | Can forming method for plastic product or the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7616778A JPS553918A (en) | 1978-06-23 | 1978-06-23 | Can forming method for plastic product or the like |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS553918A true JPS553918A (en) | 1980-01-12 |
| JPS5736044B2 JPS5736044B2 (en) | 1982-08-02 |
Family
ID=13597513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7616778A Granted JPS553918A (en) | 1978-06-23 | 1978-06-23 | Can forming method for plastic product or the like |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS553918A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62250899A (en) * | 1986-04-21 | 1987-10-31 | ポ−ルスタ−・マグネトロニクス・インク | Magnetic resistance motor |
| US8350415B2 (en) | 2008-05-27 | 2013-01-08 | Fujitsu Limited | Switch circuit with inductive load and capacitor |
-
1978
- 1978-06-23 JP JP7616778A patent/JPS553918A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62250899A (en) * | 1986-04-21 | 1987-10-31 | ポ−ルスタ−・マグネトロニクス・インク | Magnetic resistance motor |
| US8350415B2 (en) | 2008-05-27 | 2013-01-08 | Fujitsu Limited | Switch circuit with inductive load and capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5736044B2 (en) | 1982-08-02 |
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