Patent ID: 8609000

Claim:
A method for manufacturing a housing of a numeric display, comprising the steps of: providing a first injection-molding step for forming a reflecting cover, wherein the reflecting cover has a plurality of pattern segment units, and each pattern segment unit is defined by a plurality of reflecting surfaces of the reflecting cover and has a through hole; and providing a second injection-molding step for filling a transparent material into each pattern segment unit to form a transparent injection-molded body, wherein surfaces of the formed transparent injection-molded body being bonded to the corresponding reflecting surfaces, thereby the reflecting cover and the transparent injection-molded body being constructed as the housing of the numeric display, wherein an upper mold and a lower mold are used to clamp the reflecting cover, the upper mold has a protrusion member and a gate, the protrusion member extends into one of the pattern segment units, the protrusion member further has a predetermined structure, and the transparent material is filled into a space defined by the lower mold, the protrusion member, and the reflecting surfaces through the gate to form the transparent injection-molded body, wherein an inner surface of the formed transparent injection-molded body has a pattern structure corresponding to the predetermined structure.