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Patent Searching and Data


Title:
RESIN-COATED STEEL CAN AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/230588
Kind Code:
A1
Abstract:
The present invention pertains to: a resin-coated steel can in which there is used a resin-coated steel sheet having a resin coating that comprises an exceptionally economical general-purpose polyester resin film, the resin-coated steel can having significantly improved adhesion of the resin coating and exceptional corrosion resistance (impact resistance and barrier properties); and a method for manufacturing the resin-coated steel can. The present invention is a resin-coated steel can formed by subjecting a resin-coated steel sheet to a drawing process or to a drawing/redrawing process, the resin-coated steel can being such that at least a surface serving as the inner surface of the can is coated with a biaxially stretched polyester film, and a surface serving as the outer surface of the can is painted or printed upon, wherein the resin-coated steel can is characterized in that the degree of crystallization of the biaxially stretched polyester film in a can-inner-surface-side side wall part is 42-52%, and the amount of shrinkage of the biaxially stretched polyester film in the can-inner-surface-side side wall part (the amount of shrinkage in the can-thickness direction when the can is heated from 23°C to 130°C at a heating rate of 5°C/min) is less than 10% of the can thickness.

Inventors:
YANADA KENJI (JP)
AIHARA MITSUHIDE (JP)
Application Number:
JP2019/020619
Publication Date:
December 05, 2019
Filing Date:
May 24, 2019
Export Citation:
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Assignee:
TOYO SEIKAN KAISHA LTD (JP)
International Classes:
B65D8/00; B32B15/09; B65D1/00
Foreign References:
JP2002307632A2002-10-23
JP2002536209A2002-10-29
JP2003081241A2003-03-19
JP2002240197A2002-08-28
JP2015089643A2015-05-11
JP2006007609A2006-01-12
Attorney, Agent or Firm:
ONO, Hisazumi et al. (JP)
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