Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
Now we use the toilet roll everyday there is a very difficult problem, and is in the middle of toilet roll Paper core is difficult to get out, because some people like to use from the start in the middle. Some people use various means in order to barely squeeze out, this double "V" of Paper core at the edge of the two "V" shaped gap, the gap can be torn along the dotted line, and then squeeze the shrinkage , it is easy to remove the Paper core.
GuangDong University of Technology
Wen Rui Wenquan Lu Jianhang Liang Jianying Zhu