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Tri&Twist / PET bottle cap

Tri&Twist

Problem:
The bottle top on plastic bottle is designed to circle shape in order to fit in with the screw thread. However, consumers usually face the difficulty of hardly opening it.
Solution:
Tri&Twist is a triangle bottle top that have 3 lateral sides. Those make thumb, forefinger and middle finger have stable points of application on the surfaces and make people easily spin the bottle top.

University

National Yunlin University of Sience & Technology

National Yunlin University of Sience & Technology
Touliu, Taiwan

Ho Tsai-Cheng,
National Yunlin University of Sience & Technology

Lin,Yi-Chien,
National Yunlin University of Sience & Technology

Kuo,Yun-Chia,
National Yunlin University of Sience & Technology

Li,Chih-Chia,
National Yunlin University of Sience & Technology