LEVEL VIAL AND METHOD OF MANUFACTURING SAME

摘要

A level vial is provided that includes an outer structure disposed over the outer surface of an inner structure. The inner structure has an outer surface and interior surface. An internal cavity is defined by the interior surface. Laser markings are present in the inner structure on the outer surface and/or between the outer surface and interior surface of the inner structure. A liquid is sealed within the internal cavity. A method for manufacturing a level vial is also provided. The method includes providing an inner structure and molding a second structure over the outer surface of the inner structure. Radiation is transmitted through the second structure to form a marking on the inner structure. A liquid is sealed within the internal cavity.