PURPOSE: To obtain a decorative bead for an automobile with a favorable operation, by putting a bead body cut into a predetermined length together with a covering sheet in a silicone mold and bonding by fusing the sheet to the bead body by high frequency heating.

CONSTITUTION: A bead body 11 is formed by extruding a light weight material of foamable resin etc. by an extruder 10, cooled, solidified by a cooling apparatus 12 and cut into a predetermined length. The bead body 11 cut in the predetermined length is put together with a covering sheet mterial in a silicone mold 15 composed of the upper and lower molds 13, 14 and charged in a high frequency molder 18, pressed, formed by heating, then the sheet material is bonded by fusion to the bead body 11 and also an outer face of the bead body 11 and the sheet material are shaped into a final desired shape. The desired decorative bead 17 is obtained by cooling and opening the mold.