SEAL RING FOR PIN PROJECTED INTO OPENING OF CASING

摘要

PURPOSE: To provide a seal ring of easy assemblage having extremely favorable sealing action in a radial direction and an axial direction for an electromagnetically actuated fuel injection valve. CONSTITUTION: A seal ring has a T-shaped cross sectional surface, and it is provided with a ring inner side part 44 disposed on a pin 31, and a circular swollen part 43 radially protruded from the ring inner side part 44 to get in contact with an inner side surface 52 of an opening 35 by a swollen part outer side surface 50.