| 摘要 |
PROBLEM TO BE SOLVED: To reduce a space, weight and seal cost in a valve stem seal having improved two-part structure. SOLUTION: In a valve stem seal assembly body, a hard shell 14 is provided, the shell 14 has a flange 20 extending outward in the radius direction at the bottom portion of the shell 14 and an end wall 18 extending inward in the radius direction at the upper portion of the shell 14, the flange 20 is put in contact with a valve spring 16, and an elastic body 24 is arranged and fixed inside the hard shell 14. The elastic body 24 is pressed inside the hard shell 14, and a finger-like spring 26 is molded at the upper portion of the elastic body 24. |
