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The traditional paper cup foot is extended and two symmetrical semi-circular crease line are pressed into the cup foot. As a result ,the hollow caused by these lines makes .the cup easy to hold and avoid heat and it is easy for people to tell whether the paper cup is used or not,so waste is avoided and pollution is reduced.
Southwest Jiaotong University
School of architecture and design
Chengdu, China
Li Hongling,
Southwest Jiaotong University
Dai Na,
Southwest Jiaotong University
Peng Haisong,
Southwest Jiaotong University
Shu Bin,
Southwest Jiaotong University