STRUCTURE FOR MOUNTING PISTON PACKING

摘要

PURPOSE: To reduce the manufacturing costs of piston packing through mass- production while maintaining its sealing performance. CONSTITUTION: The piston packing 52 is provided with a mounting surface 54 and a sealing surface 56. The sealing surface 56 and the mounting surface 54 of the piston packing 52 are fitted respectively around the head part 58 and the annular groove 60 of a piston 50.