SECTOR MOLD, METHOD FOR MANUFACTURING SAME, AND JIG FOR PROCESSING PATTERN BLOCK

摘要

In the present invention, a pattern block can be easily attached to a sector with favorable positional accuracy, and the strength thereof improves. The present invention provides a sector mold configured by attaching a pattern block (20) to a sector (10). The sector mold is provided with the sector (10) and the pattern block (20). The sector (10) is provided with an implanting groove (12) and a hole for a position-determining pin (14). The pattern block (20) is provided with a protrusion section for the implanting groove (22a) and a position-determining pin (24) on a back trunk surface (20a), the protrusion section for the implanting groove (22a) and the position-determining pin (24) corresponding to the implanting groove (12) and the hole for a position-determining pin (14) respectively.