Composite metal sheet cooking utensil and manufacturing method

Details Composite metal sheet cooking utensil and manufacturing method Composite metal sheet cooking utensil and manufacturing method

A - Human Necessities

47

J

65/3

A47J 36/02 (2006.01) A47J 27/00 (2006.01) B23K 31/02 (2006.01)

Patent

CA 1123622

Abstract of the Disclosure A composite metal sheet cooking utensil (laminated cooking utensil, cooking pot, frying pan) built up of a core of a metal having relatively good heat conductivity such as alumi- num, copper, common quality steel etc., coated on one or both sides with a relatively thin layer of a more corrosion resist- ive metallic material such as stainless steel, titanium etc. The lamination layers (sheets) are bonded to one another across the bottom surface of the cooking utensil and some distance upwardly the lower portion of the cooking utensil wall. A laminated circular blank for the cooking utensil comprises two or more flat round metal sheets provided with soldering agent and possibly flux agent on their central con- tact surfaces facing one another and corresponding to the area of the cooking utensil bottom and a part of the lower portion of the wall. The cooking utensil is manufactured (shaped) by deep drawing and the sheets can be soldered (brazed) together before or after deep drawing to provide a lamination.

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