JPS6416640A - Manufacture of laminated steel sheet - Google Patents
Manufacture of laminated steel sheetInfo
- Publication number
- JPS6416640A JPS6416640A JP62171177A JP17117787A JPS6416640A JP S6416640 A JPS6416640 A JP S6416640A JP 62171177 A JP62171177 A JP 62171177A JP 17117787 A JP17117787 A JP 17117787A JP S6416640 A JPS6416640 A JP S6416640A
- Authority
- JP
- Japan
- Prior art keywords
- width
- metallic foil
- resin film
- steel belt
- short
- 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
Landscapes
- Laminated Bodies (AREA)
Abstract
PURPOSE:To form a laminated steel sheet, having no defect such as pin holes or the like on a metallic foil, by a method wherein the width W1 of a resin film is made smaller than the width W2 of a steel belt and the width W3 of a metallic foil and the steel belt and the metallic foil are short-circuited at the outside of the width W1 of the resin film. CONSTITUTION:The width W2 of a steel belt 2 and the width W3 of a metallic foil 14 are in the relation of W1<W2<W3 with respect to the width W1 of a resin film 13 and the metallic foil 14 is short-circuited with the steel belt 2 at the outside of the width W1 of the resin film. According to such a short-circuit, the potential difference between the metallic foil 14 and the steel belt 2 is near to the value of 0MV without limit in the whole area of a conveying passage from the bonding part of the metallic foil and the steel belt to a delivery side conductor roll. Accordingly, when conducted current (or conducted voltage) is large, or the thickness of the resin film is thin and the threshold potential of dielectric breakdown is low, pin holes will never be generated on the metallic foil 14 due to spark discharge through the resin film 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62171177A JPS6416640A (en) | 1987-07-10 | 1987-07-10 | Manufacture of laminated steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62171177A JPS6416640A (en) | 1987-07-10 | 1987-07-10 | Manufacture of laminated steel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6416640A true JPS6416640A (en) | 1989-01-20 |
Family
ID=15918427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62171177A Pending JPS6416640A (en) | 1987-07-10 | 1987-07-10 | Manufacture of laminated steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6416640A (en) |
-
1987
- 1987-07-10 JP JP62171177A patent/JPS6416640A/en active Pending
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