An annular step (73) is formed on an inner wall (51) of an intake member (50). The annular step (73) includes an upstream wall portion (74), a downstream wall portion (76), and a connecting wall portion (75). The connecting wall portion (75) connects a fir...

Provided are a resin molding mold enabling an intake manifold made of a resin to be manufactured at low cost, an intake manifold, and a method for molding a resin for an intake manifold. The resin molding mold for an intake manifold includes a slide mold p...