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The canned food is usually packed vacuum, where the air is extract out to proof the food fresh. But this at the same time results in a new problem, that is, it is difficult to open the can. It usually needs us to prepare a special tool when we want to eat. The Push Me can cover would help us in this situation because a component balancing air pressure is appended on the cover. It is just as shown in the left figure. One press would balance the air pressure in and out of the can, so as to help opening the can. Once more press would seal the can again, which is convenient for us and safe for food.
Dalian Minzu University
Dalian, China
Haimo Bao , Qi Qiu ,
Xinran Zhang ,
Pengpeng Miao