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发明公开
CN101767671A 一种铝质包装罐及制造方法 无效 - 驳回

一种铝质包装罐及制造方法
摘要：
本发明公开了一种铝质包装罐，包括有罐底、罐身、罐肩、罐口，在所述罐身的上部与罐肩相连接的地方设有一环形内凹部。所述环形内凹部与下方的罐身之间设有外凸的下环形台阶，在该环形内凹部与罐肩之间设有外凸的上环形台阶。本发明还公开了一种铝质包装罐的制造方法，包括有如下步骤：炒片；冲压；修整；清洗；保护处理；形成环形内凹部：将所述粗罐坯的上部收缩形成环形内凹部；收颈。本发明具有整体美观、视觉效果好、附加值高、档次高等优点。
摘要（英）：

The invention discloses an aluminum packaging can, comprising a can bottom, a can body, a can shoulder and a cab opening. A ring inward depression is arranged at the position where the upper part of the can body is connected with the can shoulder. A lower ring step which is convex outwards is arranged between the ring inward depression and the lower can body, and an upper ring step which is convex outwards is arranged between the ring inward depression and the can shoulder. The invention also discloses a manufacturing method of the aluminum packaging can, which comprises the following steps of frying, stamping, dressing, cleaning, protection processing, forming the ring inward depression, the upper part of the coarse can billet is shrunk to form the inward depression, and collaring. The invention has the advantages of good integral appearance, good visual effect, high added value, high grade and the like.

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