Patent ID: 6309693
Filing Date: 2001-10-30
Classification: B05B,B05D,Y10S

Abstract:
A method of applying 360.degree. coatings using powdered coating material to a predetermined portion of an internal opening of a plurality of fasteners, comprising the steps of:supporting and continuously conveying the fasteners along a predetermined path;preheating said fasteners above the softening point of the coating material;simultaneously applying said powdered coating material to the 360.degree. circumference of said predetermined portion of the internal opening of said preheated fasteners in an amount in excess of that required to form the coating: andpropelling the coating material applied in said applying step towards the walls of the internal opening of each of said fasteners to be coated in a manner so that at least 90% of the coating material applied remains adhered to said predetermined portion of said internal opening of said fasteners.