PURPOSE:To always keep the normal open condition of a valve by slanting at a fixed angle the axis of a hydraulic tappet, to which one end of a cam follower is fixed, while the other end activates opening and closing of a valve during a cam rotation. CONSTITUTION:The upper end of a va...
PROBLEM TO BE SOLVED: To provide an apparatus and a method for easily determining an objective substance such as a chlorine-based plastic. SOLUTION: When the tip of a cylindrical body 5 is abutted to the surface of a resin product 23 and a case main body 3 is pressed onto the resin pr...