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一种中空环状橡胶密封件及其制造方法,它由封闭形橡胶管体和空腔组成,空腔位于封闭形橡胶管体内,整体呈环状。其制造方法是先用挤出机制得空心橡胶管,再用易粉碎的材料压制对应的连接件,用连接件将空心橡胶管的两端面带胶初步连接成环状;用硫化机进行带胶热硫化连接,最后将位于空心橡胶管中的易碎连接件压碎即可。其中的空腔就是气囊,装配受压后,空腔
A hollow ring rubber seal and its manufacturing method, which consists of a closed rubber tube and cavity composition, the cavity is located within the closed rubber tube body, the overall ring-shaped. The manufacturing method comprises the following steps of: firstly, a hollow rubber tube is manufactured by an extruder; then the corresponding connecting pieces are pressed by easily crushed materials; the two ends of the hollow rubber tubes are preliminarily connected by a connecting piece into a ring; Heat-vulcanized, and finally crush the frangible connector located in the hollow rubber tube. One of the cavity is the air bag, the assembly pressure, the cavity