Laminated copper article of cookware

Details Laminated copper article of cookware Laminated copper article of cookware

A - Human Necessities

47

J

A47J 37/01 (2006.01)

Patent

CA 2612004

A process of brazing is used to bond copper and stainless steel preformed vessels to form laminated cookware. The process includes an ironing step that is carried out after brazing, in part to improve the integrity of the bond. The ironing step also provides a means to reduce the thickness of the copper in the upright wall portion of the vessel. This yields a lighter weight article of cookware, as compared to one formed from a pre-laminated sheet of copper and stainless steel layers.

On utilise un procédé de brasage pour assembler des récipients préformés en cuivre et en acier inoxydable de manière à former un ustensile de cuisine stratifié. Le procédé consiste à réaliser une opération d'étirage après brasage, notamment pour améliorer l'intégrité du joint. L'opération d'étirage permet également de réduire l'épaisseur du cuivre sur une partie de paroi verticale du récipient. Ceci permet de réaliser un ustensile de cuisine de poids plus léger en comparaison à un ustensile de cuisine réalisé à partir d'une feuille pré-stratifiée formée par des couches de cuivre et d'acier inoxydable.

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