Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Development of 3D Life Jackets Made of Neoprene Considering Extension Properties of the Product

제품의 신장특성을 고려한 네오프렌 소재의 3D 라이프자켓 설계

  • Lee, Heeran (Department of Clothing and Textiles, Chungnam National University) ;
  • Kim, Soyoung (Research Institute of Human Ecology, Chungnam National University) ;
  • Hong, Kyounghi (Department of Clothing and Textiles, Chungnam National University)
  • Received : 2016.05.11
  • Accepted : 2016.06.13
  • Published : 2016.06.30
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Abstract

As people spend more time on water leisure activities, the importance of safe and comfortable life jackets that fit the wearer is being emphasized. If a life jacket is designed using neoprene, which lacks elasticity, the coverage ratio may be low considering consumer size; therefore, various sizes of life jackets should be produced to fit the human body to maintain comfort and function. In this research, the method of designing a comfortable life jacket with an extended extension ratio and optimal grading rule was investigated to minimize the size category. In addition, Ziegert and Keil's method was modified and applied to investigate the stretch characteristics of thick neoprene and double jersey materials and those of the end product. According to the observed extension value of neoprene and double jersey, they were allocated the patterns of a life jacket to cover wider ranges of human body sizes. The results showed that extension properties of materials and products measured using Ziegert and Keil's experimental condition matched satisfactorily to the actual wear condition of the product made of stretch fabric. Grading rules were suggested according to the extension properties of the life jacket and clothing pressure as well as the Size Korea database.

Keywords

References

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