Conical/folded paper cups The first paper cups that came out were cone-shaped, made by hand, glued together, easier to separate, and must be used as soon as possible. The folded paper cups that appeared later added folds on the side walls to increase the strength of the side walls and the durability of the paper cups. However, it was more difficult to print patterns on these folded surfaces, and the effect was not ideal.
Cone Paper Cup
Mar 17, 2023
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