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"U" Paint Roller is able to improve working productivity by utilizing flexible spring structure as its axis.
When painting curved surface, the contact surface between traditional paint roller and the curved wall is quite small. However, "U" Paint Roller is able to fit any kind of curved surface because of its flexible spring structure, therefore, the painting space of "U" Paint Roller is larger than that of traditional Paint Roller.
Huazhong University of Science&Tech
Rongzhen Hu, Tian Lei
Huazhong University of Science&Technology
Wuhan, Hubei, China
Yi Liu, Jing Luo, Yu-ning Jiang, Zhi-wei Mu, Si-qian He, Ning-ning Zhu, Yakun Zhang, Chen Chen