Laminated plate and method of manufacturing the same

Details Laminated plate and method of manufacturing the same Laminated plate and method of manufacturing the same

B - Operations, Transporting

32

B

B32B 15/08 (2006.01) B29C 71/00 (2006.01) B32B 38/04 (2006.01)

Patent

CA 2168763

In the laminated plate according to the present invention, the degree of orientation of crystals in a covering film of a synthetic resin varies in a predetermined pattern, and the occurrence of delamination is minimized in a side wall portion, requiring a high degree of processing, of a can, a bottom portion, requiring a low degree of processing, of a can having a high denting resistance. In the laminated plate manufacturing method according to the present invention, a distribution pattern of the degree of orientation of crystals in a resin film is also set arbitrarily when the resin film is laminated on a metal plate.

Dans la plaque stratifiée de la présente invention, le degré d'orientation des cristaux dans un film de revêtement en résine synthétique varie selon un schéma prédéterminé. La fréquence de délamination est minimisée sur la paroi latérale d'une boîte, ladite paroi exigeant un degré élevé de traitement, et le fond de la boîte possède une forte résistance à la déformation, ledit fond exigeant un faible degré de traitement. Dans le procédé de fabrication de la plaque stratifiée de la présente invention, un modèle de répartition du degré d'orientation des cristaux dans un film en résine est également fixé arbitrairement lorsque le film en résine est appliqué sur la plaque de métal.

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