DETAILED DESCRIPTION OF THE INVENTION Since the metal sheet of the present invention is coated with the above-mentioned specific organic cured film (C), not only the adhesion of the film to the metal base is excellent even after the sheet has been formed into a can but also the formed can has high resistance to blistering and high resistance to whitening during heat sterilization of it.
The polyester resin (A) for use in the present invention contains, as the dicarboxylic component, from 60 to 100 mol%, preferably from 65 to 100 mol %, more preferably from 75 to 100 mol %, of terephthalic acid and from 0 to 40 mol%, preferably from 0 to 35 mol %, more preferably from 0 to 25 mol %, of other dicarboxylic acid(s) than terephthalic acid.
The other dicarboxylic acids than terephthalic acid include, for example, aromatic dicarboxylic acids such as isophthalic acid, orthophthalic acid, 5-sodium-sulfoisophthalic acid and naphthalene-dicarboxylic acid; aliphatic dicarboxylic acids such as succinic acid, adipic acid, azelaic acid, sebacic acid, dodecane-dicarboxylic acid and dimer acids; and alicyclic dicarboxylic acids such as hexahydroterephthalic acid and hexahydrophthalic acid anhydride.
In the polyester resin (A) for use in the present invention, if the content of terephthalic acid in the acid component is less than 60 mol % and the content of other dicarboxylic acid(s) than terephthalic acid is more than 40 mol%, the resistance to whitening of the formed can be decreased.
Where aliphatic dicarboxylic acids are used as the other dicarboxylic acids than terephthalic acid, the content of them is desired to be 30 mol % or less, more preferably 20 mol% or less.
The polyester resin (A) for use in the present invention contains, as the glycol component, from 40 to 100 mol%, preferably from 60 to 99 mol %, of propylene glycol, and from 0 to 40 mol %, preferably from 1 to 40 mol%, of other glycol(s) than propylene glycol.
The other glycols than propylene glycol include, for example, ethylene glycol, 1,3-propanediol, 1,4-butanediol, 1,3-butanediol, 1,5-pentanediol, 1,6-hexanediol, neopentyl glycol, diethylene glycol, dipropylene glycol, 1,4-cyclohexane-dimethanol, p-xylylene-diglycol, 2,2-dimethylol-butane, 3,3-dimethylolheptane, tricyclodecane-dimethanol, 1,9-nonanediol, and ethylene oxide or propylene oxide adduct to bisphenol A
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Nonmetallic Processes 
