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Title: Negative poisson ratio yarn structure and manufacturing method thereof
Other Titles: 一种负泊松比纱线结构及其制造方法
Authors: Hu, H 
Liu, SR 
Issue Date: 30-Mar-2016
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 201210212844.3 How to cite?
Abstract: The invention belongs to the technical field of weaving, and discloses a negative poisson ratio yarn structure and a manufacturing method thereof. The negative poisson ratio yarn structure is twisted by first yarns and second yarns, wherein the tensile modulus of each first yarn is greater than that of each second yarn. The manufacturing method of the structure comprises the following steps of: 1) yarn feeding: feeding the first yarns and the second yarns which are arrayed at intervals into a yarn forming area simultaneously, and 2) yarn twisting: twisting the fed first yarns and the second yarns simultaneously by rotating a slotted hole rotating disc, and then allowing the first yarns and the second yarns to be converged into the negative poisson ratio yarn structure at an inlet of a twisting aggregation device. The negative poisson ratio yarn structure is twisted by the two groups of yarns with different moduli, and is stable, and uniform in twist distribution, the yarns on the surface layer is free from slippage, and the surfaces of the yarns are level when tensioned. The manufacturing method is simple to operate, convenient to implement and low in used equipment cost, can be used for continuous production, and is convenient to popularize and implement.
Rights: 专利权人: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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