Cookware with steel capped base and method of and apparatus...

A - Human Necessities – 47 – J

Patent

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Details

A47J 36/02 (2006.01) A47J 27/022 (2006.01) B21K 23/00 (2006.01) B21K 25/00 (2006.01)

Patent

CA 2258633

An article of cookware comprises a body (2) having a base region that is at least partly formed of aluminium or aluminium alloy having a steel cap (4) secured thereto by an impact bonding process through an intermediate aluminium or aluminium alloy plate (6), the process including the steps of (a) arranging an aluminium plate between the base of the article and the steel cap; (b) heating the base of the article, aluminium plate and steel cap to a temperature such that the aluminium has softened; (c) arranging the article with aluminium plate and steel cap in a press and whilst the temperature of the aluminium plate is such that the aluminium remains soft, impacting the steel cap against the base of the article and deforming the aluminium plate thereby forming a bond therebetween.

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