Patent ID: 7323128

Claim:
An in-mold foam molding method for manufacturing a molded article having two or more molded portions with different characteristics, by using an in-mold foam molding equipment including at least a movable partition member free to move in and out for dividing a molding space formed by a pair of molds into divided spaces, the partition member is composed of a plurality of divisional partition members independently separated, each of the plurality of divisional partition members individually has a retreat positioning protrusion and an insert positioning protrusion, and the plurality of divisional partition members are installed in a slider for moving the plurality of divisional partition members by contacting with the retreat positioning protrusions or the insert positioning protrusions, and the slider is configured to move between the retreat positioning protrusions and the insert positioning protrusions, and the plurality of divisional partition members are configured to be movable in cooperation with the motion of the slider by contacting with the retreat positioning protrusions or the insert positioning protrusions, so that the plurality of divisional partition members divide the molding space corresponding to the shape of a desired molded article into divided spaces, the method, comprising: dividing the molding space formed by the pair of molds into the divided spaces with the partition member composed of the plurality of divisional partition members, filling the divided spaces respectively with specified foamed beads, drawing back the plurality of partition members after the filling, and feeding steam to heat, melt and integrate the foamed beads.