| 摘要 |
<p>A resin-coated composite metal sheet which permits such a severe as to reduce the thickness of a can drum by 40 % or above and can give cans which keep the good flavor of contents packed therein for a long period and have such a high impact resistance that the resin film does not cause cracking even when an impact is applied thereto from the outside before and after the packing of contents. This sheet is one produced by laminating a metal sheet with three films, i.e., an upper layer mainly made of a polyester resin, an interlayer made of a blend of a polyester resin with a polycarbonate resin and a lower layer mainly made of a polyester resin.</p> |
