Patent ID: 6619943
Filing Date: 2003-09-16
Classification: B29C,Y10S,Y10T

Abstract:
An in-mold foam molding apparatus comprising:partitioning members for partitioning into a plurality of partitioned mold chambers a mold cavity defined by a core mold and a cavity mold, said partitioning members being arranged such that at least a portion of the plurality of partitioned molding sections constituting the partitioned mold chambers within the mold are unitary; filling units provided to each partitioned mold chamber for filling the same with a bead starting material, adjacent partitioned mold chambers being fillable with bead starting materials of different properties; wherein the mold cavity is partitionable into a plurality of partitioned mold chambers by means of moveable partitioning members extendable and retractable with respect to the mold cavity through the core mold or cavity mold, and fixed partitioning members provided integrally to the core mold or cavity mold, the partitioned molding sections constituting the partitioned mold chambers of the mold into which the moveable partitioning members extend and retract being unitary at locations corresponding to fixed partitioning members, and said fixed partitioning members are of pillar form.