Patent ID: 8889051

Claim:
A mold for integrally manufacturing polygonal-grid hollow core slabs, comprising: a female mold defining a plurality of positioning holes; and a plurality of male molds arranged on the female mold, each of the male molds comprising: a polygonal column capable of melting, dissolving, or vaporizing; a positioning column inserted into one of the positioning holes in the female mold; and a linking column arranged between the polygonal column and the positioning column, one end of the linking column being connected to the polygonal column, and the other end of the linking column being connected to the positioning column, wherein: a clearance exists between at least one pair of adjacent polygonal columns; the polygonal columns are made of paraffin wax; the polygonal columns are regular hexagonal prisms; circumcircles of cross sections of the positioning columns, linking columns, and polygonal columns are concentric; and arc grooves are arranged on at least one edge of at least one polygonal column.