JPS6418531A - Method for stripping can body for two piece can - Google Patents
Method for stripping can body for two piece canInfo
- Publication number
- JPS6418531A JPS6418531A JP62172258A JP17225887A JPS6418531A JP S6418531 A JPS6418531 A JP S6418531A JP 62172258 A JP62172258 A JP 62172258A JP 17225887 A JP17225887 A JP 17225887A JP S6418531 A JPS6418531 A JP S6418531A
- Authority
- JP
- Japan
- Prior art keywords
- punch
- stripping
- amt
- temp
- plastic working
- 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
Abstract
PURPOSE:To reduce the force at the time of stripping of drawing a punch from a can body and to prevent the deformation of the can body by generating the thermal deformation of different deforming amt. on the can body and punch passing a plastic working state. CONSTITUTION:The can body 1 preformed in a cup shape is fitted to the tip of a punch 107 and subjected to plastic working by pushing it in order into a redrawing die 103, 1st-3rd ironing dies 104-106. A hot water is filled from a heating device 4 to the can body 1 reaching a stripping position 108 out of the 3rd ironing die 106 to generate a temp. difference in the space with the punch 107 by raising the temp. of the can body 1. The punch 107 is cooled as well by using a cooling device. The thermal deformation of different deforming amt. is thus caused on the can body 1 and punch 107 and after reducing the contact pressure thereof the punch is pulled out. Consequently the force necessary for the pullout is reduced and the breakdown accident of the can body can be reduced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62172258A JPS6418531A (en) | 1987-07-10 | 1987-07-10 | Method for stripping can body for two piece can |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62172258A JPS6418531A (en) | 1987-07-10 | 1987-07-10 | Method for stripping can body for two piece can |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6418531A true JPS6418531A (en) | 1989-01-23 |
Family
ID=15938558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62172258A Pending JPS6418531A (en) | 1987-07-10 | 1987-07-10 | Method for stripping can body for two piece can |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6418531A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5464069A (en) * | 1977-10-11 | 1979-05-23 | Nat Can Corp | Production of deep drawn and stripped off container and stripping off ring |
JPS5527472A (en) * | 1978-08-19 | 1980-02-27 | Daiwa Can Co Ltd | Detaching method for can from ironing punch |
-
1987
- 1987-07-10 JP JP62172258A patent/JPS6418531A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5464069A (en) * | 1977-10-11 | 1979-05-23 | Nat Can Corp | Production of deep drawn and stripped off container and stripping off ring |
JPS5527472A (en) * | 1978-08-19 | 1980-02-27 | Daiwa Can Co Ltd | Detaching method for can from ironing punch |
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