Zipper is small,indeed with our daily lives.The basic structure of the zipper in fifty years ago to basically determine,but it can improve or increase the function of the place there are many,so the zipper is a mature field is also technological content of products.The status of China’s patent application in the field of zipper was analyzed statistically,focuing on the trends of patent application and authorization in China,the types of patent applications,the legal status of patent,the main applicants,different technology branch applications and technology distribution trends,with a view to China’s zipper field Technology innovation and good development.

 

The original zipper patent application in 1893,Chicago mechnical engineer W.L.Judson,developed a “sliding button”,and obtain a patent,which is the initial prototype zipper.By 1935,fashion designer Elsa Schiaparelli for the first time in the clothing with zippers,since then,the garment industry began to use zippers.Zipper as a terminal textiles,one of the many accessories,has always been with a supporting hat,because of its value is ont high,its status and impact of a long time it will often be buyers or users ignored,and said zipper brand ,consumers familiar it seems that only YKK.

 

But in the field not only YKK zipper.Although the zipper market accessories market in recent years,the development is also very rapid.As of 2015,China’s zipper industry-wide sales revenue of  40 billion RMB.But the quality of the height and influence of the brand  is not enough,the value of the Chinese zipper has not really reflected.