Buoy manufacturing method and device to improve productivity

摘要

The present invention relates to a buoy and a manufacturing method thereof, and an embodiment of the present invention includes a body having a space portion therein, and a foam body foam-filled in the space portion, wherein the body is integrally blow-molded as a synthetic resin material, The foam provides a buoy, characterized in that the foam bead injected through the foam bead injection hole provided on one side of the body is foamed to form a buoy and a method of manufacturing the same. According to an embodiment of the present invention, it is possible to manufacture a buoy that is easy to manufacture and thus improves productivity, improves durability, reduces maintenance costs, and contributes to environmental protection.