Kaneka Corporation

Yoriki Kakimoto

Kiyoshi Matsuki

In a simultaneous molding to one piece, at a time of heat molding of a surface skin material , after an edge part of the surface skin material is folded back to an inside direction of the mold pattern and is formed up a folded back part along a mold pattern for folding back which is placed as in a manner of projecting from an opening edge of a cavity face toward the inside direction of the mold pattern, the mold pattern for folding back is removed, and then at a time of the expansion molding, one face of the folded back part is melt united to one piece with a back face of the cellular molded article in a mold pattern , and at the same time, a folded returning part , which is in a state that an outer edge part of the surface skin material is folded returning toward an outside direction of the mold pattern from a tip of this folded back part , is pressed so as to pile on the other face of the above-mentioned folded back part

Skin-carrying in-mold expanded molded body manufacturing method, the molded body, and mold used for manufacturing the same

This invention relates to a method for producing cellular molded article in mold pattern of synthetic resin having surface skin which is used, for example, as an automobile interior trim material or the like and a mold pattern for producing thereof. This invention aims to provide a method for producing cellular molded article of synthetic resin having surface skin which has good production efficiency and which comprises that cellular molded article of synthetic resin obtained by cellular molding of expanded beads in which poor melt bonding does not occur and thermoplastic resin skin material united with this cellular molded article of synthetic resin which has excellent appearance without residing beads pattern on its surface, and a mold used for producing thereof. In so-called simultaneous united molding, at least the part of one mold part (,) on which thermoplastic resin skin material (,) is set is made of gas permeable metal mold, gas permeable ceramic mold or gas permeable electron casted mold (,) having fine gas permeable holes of not more than,&mgr;m of diameter on the whole surface (,) and at least during steam heating and before expanding expanded beads (,), one mold part (,) on which thermoplastic resin skin material (,) is set is made to be the upper part, and the other mold part (,) is made to be the lower part.

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Settsu, Japan

Yoriki Kakimoto