Patent ID: 6923442
Filing Date: 2005-08-02
Classification: A63F

Abstract:
1. A mold for manufacturing a die, said die being configured as a polyhedron having multiple planes of similar shapes, which can be opened into a contiguous and planar polygonal area, each of the multiple planes having inclined boundary areas on one side, the multiple planes being contiguous to one another through bridge portions connected between two adjacent ones of the multiple planes, said mold having the form of said opened polyhedron and comprising: a first mold portion that corresponds to said opened polyhedron and has a predetermined spacing in a thickness direction, a plurality of second mold portions that correspond to said inclined boundary areas of said polyhedron and have spacing narrower than said predetermined spacing, a third mold portion that corresponds to an inclined boundary portion of said die that is narrower in width as compared with the remaining boundary areas, and a plurality of fourth mold portions that correspond to the bridge portions of said die.