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Title:
STRIPE LAMINATED STEEL SHEET FOR WELDED CAN AND ITS PRODUCTION METHOD
Document Type and Number:
Japanese Patent JP2005146388
Kind Code:
A
Abstract:

To provide a stripe laminated steel sheet for a welded can used for a welded can (such as a beverage can, a food can, an aerosol can, a paint can, an 18L can and a pail can), in which the phenomenon that smudge as the powder of tin oxide produced on the surface is scraped by friction with a winding roll at the time of lamination and is transferred to the steel sheet can be prevented, and to provide its production method.

In the stripe laminated steel sheet for a welded can, a plurality of stripes of a thermoplastic resin film are formed in the longitudinal direction of one side of a surface treated steel sheet. Regarding the surface treated steel sheet, the front and back surfaces are provided with a tinned layer having a tin content of 0.7 to 2.0 g/ m2 and a free tin content of 0.2 to 0.8 g/m2, and a chromate-treated layer having a metal chromium content of 5 to 15 mg/m2 and a chromium oxide content of 5 to 15 mg/m2, and the back surface side of the laminated face in which the thermoplastic resin film is formed is provided with an oil-applied layer having an oil content of 0.1 to 10 mg/m2.


Inventors:
KAWANISHI KOJI
MURAMOTO FUJIKAZU
Application Number:
JP2003000388648
Publication Date:
June 09, 2005
Filing Date:
November 19, 2003
Export Citation:
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Assignee:
NIPPON STEEL CORP
International Classes:
B05D7/14; B05D7/24; B32B15/08; C23C26/00; C23C28/00; (IPC1-7): C23C26/00; B05D7/14; B05D7/24; B32B15/08; C23C28/00
Attorney, Agent or Firm:
松本 悦一
椎名 彊