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罐盖封闭件及将罐盖封闭件连接到罐体的方法
Can lid closure and method of joining a can lid closure to a can body
US-8490825-B2用于改进饮料罐盖，减少金属用量并保持性能。
专利摘要
多年来，人们多次尝试改进罐盖，常见于铝制饮料罐盖。传统目标一直是降低成本和提高性能。这些目标已通过多种方式实现，例如在罐盖内形成不同的结构以减少金属用量，同时保持性能水平。这里，在环形埋头孔和罐盖中心板之间利用台阶部分，导致中心板弯曲或仅提供倾斜的内壁。这些结构因此减少了金属用量，同时保持质量并达到期望的性能。
Original abstractOver the years there have been numerous attempts to improve the can lid oftentimes found on aluminum beverage can lids. The aims have traditionally been to reduce costs and improve performance. These aims have been accomplished through a variety of means, such as creating different formations within the can lid to reduce the amount of metal used while maintaining performance levels. Here, step portions are utilized between the annular countersink and the center panel of the can lid that cause a curvature of the center panel or to simply provide an angled inside wall. These formations, thus, reduce the amount of metal used while maintaining quality and yielding the desired performance.
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