RESIN-COATED STEEL CAN AND METHOD FOR PRODUCING THE SAME
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United States of America Patent
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Jul 8, 2021
app pub date -
May 24, 2019
filing date -
May 24, 2019
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Abstract
A resin-coated steel can and method for producing the same. The resin-coated steel can is produced by drawing or draw-redrawing a resin-coated steel sheet at least having a surface serving as a can inner surface coated with a biaxially-stretched polyester film and a surface serving as a can outer surface that is coated and/or printed. The biaxially-stretched polyester film on the can inner surface side wall has a crystallinity in a range of 42 to 52%, and a shrinkage (shrinkage in the can height direction upon raising the temperature from 23° C. to 130° C. at a rate of 5° C./min.) of the biaxially-stretched polyester film on the can inner surface side wall is less than 10% of the can height.
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