JPS645834A - Laminated metal sheet - Google Patents
Laminated metal sheetInfo
- Publication number
- JPS645834A JPS645834A JP16049387A JP16049387A JPS645834A JP S645834 A JPS645834 A JP S645834A JP 16049387 A JP16049387 A JP 16049387A JP 16049387 A JP16049387 A JP 16049387A JP S645834 A JPS645834 A JP S645834A
- Authority
- JP
- Japan
- Prior art keywords
- skin materials
- metal skin
- metal sheet
- laminated
- electric resistances
- 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 make it possible to resistance-spot-weld with good workability even when the electric resistances of metal skin materials, which are laminated to both sides of a resin plate, are different from each other by a method wherein metallic deposits, the electric resistance of each of which is higher than that of the metal skin material, are formed on the surfaces, which abut against the resin plate, of the metal skin materials of a laminated metal sheet. CONSTITUTION:Metallic deposits 6a and 6b, the electric resistances of which are at least higher than that of metal skin materials 1b and 1c made of cold-rolled steel plate, such as chromium, lead or the like are formed on the surfaces, which abut against a resin plate 1a, of the metal skin materials 1b and 1c. Since the generation of heat becomes larger in the vicinities of the metallic deposits 6a and 6b having higher electric resistances during the joining of the laminated metal sheet 1 to a plain carbon steel plate 2 by spot welding, a nugget 7 is surely formed between the metal skin materials 1b and 1c during the resistance welding of the laminated metal sheet 1 and the plain carbon steel plate. Further, the nugget can surely be formed, even when the difference between the electric resistances of the metal skin materials 1b and 1c presents, resulting in making the consideration of the side of the laminated metal sheet 1 unnecessary and accordingly improving its workability.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16049387A JPS645834A (en) | 1987-06-27 | 1987-06-27 | Laminated metal sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16049387A JPS645834A (en) | 1987-06-27 | 1987-06-27 | Laminated metal sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS645834A true JPS645834A (en) | 1989-01-10 |
Family
ID=15716131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16049387A Pending JPS645834A (en) | 1987-06-27 | 1987-06-27 | Laminated metal sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS645834A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009001995A (en) * | 2007-06-19 | 2009-01-08 | Kimiyo Nakao | Ladder length adjustment device |
-
1987
- 1987-06-27 JP JP16049387A patent/JPS645834A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009001995A (en) * | 2007-06-19 | 2009-01-08 | Kimiyo Nakao | Ladder length adjustment device |
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