METHODS AND DEVICES FOR IN-MOLD PRINTING ON MOLDED PARTS

摘要

Apparatus (10) and methods of applying text, graphics, or other coatings to the surface of injection molded plastic parts by injecting a pigmented ink or other liquid through pores in the mold wall during the molding cycle so that parts are molded and printed in one operation. The apparatus includes a mold (18) having one or more porous areas (20) within the molding cavity (22). A control system (12) and ink reservoir (14) are included for forming the printed parts.