Patent ID: 6599172
Filing Date: 2003-07-29
Classification: B05D

Abstract:
A method for forming undercoating in repair coating on a damaged portion of a vehicle, comprising removing an old coating from said damaged portion, subjecting a verge portion of said damaged portion from which said old coating is removed to a feathering edge treatment, spraying a putty composition composed of (1) 100 parts by weight of main agent containing 25 to 40 percent by weight of unsaturated polyester resin and 23 to 13 percent by weight of reactive diluent so as to have a viscosity of 0.1 to 3.0 Pa.s, and (2) 1 to 4 parts by weight of curing agent, to form a coating layer of about 1 mm at most, drying said sprayed putty, and dry-sanding said dried putty, wherein said spraying, drying and dry-sanding are performed respectively in one operation.