金属包装罐防锈母盖

Anticorrosion mother cap of metalic packing can

Abstract

本实用新型公开了一种金属包装罐防锈母盖,所述母盖的内边沿向远离圆心的外侧进行翻边并形成凸缘,翻边形成的凸缘呈圈状,并且内边沿的切口伸入圈状凸缘内;本实用新型的内边沿切口可避免与包装物接触而产生锈蚀,不会影响包装物的质量,延长了包装罐的使用寿命。
The utility model discloses an anti-rust parent cover of metal packing can. The inner edge of the said parent cover crimps along the outer side estrange from the centre of a circle and form flange. The flange formed from crimping appears circularity and the notch of inner edge stretches into the circular flange; the inner edge of the utility model along the notch can avoid contacting the packing and causing corrosion, cannot influence the quality of packing and prolong the service life of packing can.

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