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    • 9. 发明授权
    • Double-walled cooking utensil
    • 双层炊具
    • US5123563A
    • 1992-06-23
    • US467502
    • 1990-01-19
    • John R. NottinghamJohn W. SpirkPaul E. Brokaw
    • John R. NottinghamJohn W. SpirkPaul E. Brokaw
    • A47J27/022
    • A47J27/022Y10S220/912
    • A double-walled cooking utensil provides inner and outer metal layers which are nested together and permanently connected along peripheral flanges. Each layer provides a planar bottom portion which cooperate with each other to define a thin chamber therebetween. A sheet of reflective aluminum is positioned in such chamber and resists the transfer of radiant heat from the bottom surface of the outer layer to the bottom surface of the inner layer which constitutes the cooking surface of the utensil. The reflective sheet is embossed with a grid of ribs which extend toward the outer layer and maintain a small spacing between the portions of the reflective layer between the ribs. The utensil promotes quality baking without requiring increased baking time, and produces bakery having more uniform texture and better color.
    • 双壁烹饪器具提供嵌套在一起并沿着周边凸缘永久连接的内部和外部金属层。 每个层提供平面的底部部分,它们彼此协作以在它们之间限定一个薄室。 一层反光铝定位在这样的室中,并抵抗辐射热从外层的底表面传递到构成器具烹饪表面的内层的底表面。 反射片被压印有朝向外层延伸的肋状网格,并且在肋之间的反射层的部分之间保持小的间隔。 该器具促进质量烘烤,而不需要增加烘烤时间,并且生产具有更均匀质地和更好颜色的面包店。