Patent ID: 6027568
Filing Date: 2000-02-22
Classification: B05B

Abstract:
An apparatus for applying masking, insulating and/or lubricating coating material on selected portions of a plurality of fasteners having an open threaded section, a flat surface and a lead in area between the flat surface and the threaded area comprising:first continuously moving conveying means for supporting said fasteners;means for introducing said fasteners onto a first end of said first conveying means;airless spray means for selectively applying atomized flowable liquid coating material in an annular ring onto a predetermined portion of only the threads and lead in area of each of said fasteners with the top of said open threaded section substantially uncovered, said applying means being substantially centered over said first conveying means; andoptical sensing means located along said first conveying means in communication with said applying means for sensing when a fastener is present before said applying means and for causing said applying means to apply a coating material onto said predetermined portion of each fastener.