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Currently, a plastic water bottle has a narrow, straight neck with an opening at the top. Our new design changes that style by expanding the neck outward similar to a cocktail glass. This not only makes the water flow smoother, but it is also more comfortable for the mouth and makes you feel as graceful as drinking from a real cocktail glass. And it which incorporates this wide-open mouth allows for catching water with ease even in a slanted position. We have also replaced the cap with a special plug, which can be easily screwed into the neck of the bottle.
National Taiwan University of Science and Technology
Jen-Ting Wei Ching-An Hsu Jiun-Li Chen