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    • 5. 发明授权
    • Corrosion resistant corrugated metal foil for use in wound and folded
honeycomb cores
    • 用于缠绕和折叠蜂窝芯的耐腐蚀波纹金属箔
    • US4838067A
    • 1989-06-13
    • US50412
    • 1987-05-18
    • Richard C. Cornelison
    • Richard C. Cornelison
    • B21D13/04B21D13/10F01N3/28
    • F01N3/2814B21D13/04B21D13/10F01N2330/02F01N2530/02Y10T29/49345Y10T29/49357
    • There is provided a method for inhibiting corrosion at elevated temperatures of a nonnesting accordion folded or wound corrugated thin metal strip. The strip is corrugated with a longitudinally running series of peaks and valleys by passing the strip through a set of corrugating gears, each of the corrugations including one longitudinally extending displacement deviating from and returning to an imaginary line extending between the longitudinal marginal edges of the strip. The corrugations are characterized further in that the deviation extends in the direction of movement of the strip through the corrugating gears and is first to enter and exit from such gears. This places the maximum of the deviation in compression which has been found to minimize corrosion, e.g., from the pollutants contained in the exhaust from an internal combustion engine.
    • 提供了一种用于抑制非织造折叠或卷绕的波纹状薄金属条的高温下的腐蚀的方法。 通过使带穿过一组瓦楞齿轮,该带是波纹状的,具有纵向运行的一系列峰和谷,每个波纹包括一个纵向延伸的位移偏离并返回到在条的纵向边缘之间延伸的假想线 。 波纹的特征还在于偏移沿着带材通过波纹齿轮的移动方向延伸,并且首先进入和离开这种齿轮。 这就发现压缩中的最大偏差已被发现可以使腐蚀最小化,例如来自内燃机排气中所含的污染物。