PURPOSE: To execute the spray coating onto an inner surface at the optimum spray coating distance according to the spray coating condition.
CONSTITUTION: In the spray coating method where the inner surface of an opening part of a member 2 having the opening is spray-coated by a spray coating gun 1, a spray coating material bending member 3 having a guide slant surface 8 with the tip of the prescribed form is inserted into the opening opposite to the spray coating gun 1. The distance between the spray coating gun 1 and the spray coating material bending member 3 is kept to the prescribed value in an interlocking manner, and the direction of the spray coating jet 4 to be directly ejected from the spray coating gun 1 is bent by the spray coating material bending member 3, and the spray coating jet 4 is sprayed against the inner surface of the opening.
SHIMODA KENJI
HARADA KOJI