초록 ▼

The method enables a stainless steel cooking utensil to be formed with a decorated base, the base being of the type comprising three layers, of which one is an intermediate layer of a good heat conducting metal and the other two layers are of stainless steel. Compared with traditional methods for fo

The method enables a stainless steel cooking utensil to be formed with a decorated base, the base being of the type comprising three layers, of which one is an intermediate layer of a good heat conducting metal and the other two layers are of stainless steel. Compared with traditional methods for forming normal utensils of the aforesaid type, there is a further step of positioning on the outer stainless steel layer at least one sheet portion of a metal having a melting point not less than that of the metal forming the intermediate layer. An aluminum foil is interposed between the sheet portion and the outer stainless steel layer if the metal of the sheet portion does not enable a direct permanent connection to be achieved between the sheet portion and the outer layer. A decoration can also be obtained on the inside of the utensil base in a similar manner.

대표청구항 ▼

A method for forming a stainless steel cooking utensil with a decorated base, the utensil being of the type comprising a stainless steel vessel, to the base of which there is applied an intermediate layer of a good heat conducting metal, this intermediate layer being covered externally by an outer c

A method for forming a stainless steel cooking utensil with a decorated base, the utensil being of the type comprising a stainless steel vessel, to the base of which there is applied an intermediate layer of a good heat conducting metal, this intermediate layer being covered externally by an outer covering layer of stainless steel, the method comprising the following steps: 1) positioning a plate of a metal of good thermal conductivity and of suitable thickness on the outer face of the base of the vessel; 2) positioning a stainless steel covering layer on said plate; 3) heating the assembly to a temperature close to but less than the melting point of the metal of said plate; and 4) applying an impact pressure to the assembly to achieve permanent connection between the various constituent elements of the base; and said method further comprising providing between said steps 2) and 3) a further step 2′) consisting of positioning on the stainless steel covering layer at least one sheet portion of a metal with a melting point not less than that of the constituent metal of the plate of good thermal conductivity, the sheet portions being suitably shaped and positioned on the covering layer to obtain the required design.