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The traditional tension ring of the cans is apt to drop in the cam if it’s not carefully handled when opened,Carbon dioxide scattered outside may Affect the taste,so a small innovation on the ring make it rotate and sanitary as well.When the cans is opened ,a small amount of dust may drop in,making it unsuitable for drinking for it’s contaminated.Now after the design innovation.The problem mentioned above is is gone and it’s green and fit to our health.Maintaining good taste.
Jiang Nan university
Wu xi, China
Shixu Meng,
Jiang Nan university
Qinquan Feng,
Jiang Nan university
Jiaxiang Zhang,
Jiang Nan university