Abstract: An osmosis membrane is disposed at the boundary between a three-dimensional network structure section and a foam section. The osmosis membrane allows a liquid foam material to permeate. The three-dimensional network structure section is impregnated with the foam material through the osmosis membrane, and subsequently the foam material is solidified, thereby connecting the three-dimensional network structure section and the foam section to each other. The bonded body of the three-dimensional network structure section and the foam section is completed only by disposing the cushion structure component in between the upper mold and the lower mold, and performing a foaming step.

Abstract: An osmosis membrane is disposed at the boundary between a three-dimensional network structure section and a foam section. The osmosis membrane allows a liquid foam material to permeate. The three-dimensional network structure section is impregnated with the foam material through the osmosis membrane, and subsequently the foam material is solidified, thereby connecting the three-dimensional network structure section and the foam section to each other. The bonded body of the three-dimensional network structure section and the foam section is completed only by disposing the cushion structure component in between the upper mold and the lower mold, and performing a foaming step.

Abstract: A three-dimensional network structure is impregnated with a foam material through an osmosis membrane. The foam material is then solidified. The foam material with which the three-dimensional network structure is impregnated is in contact with resin wires of the three-dimensional network on a wide area and is solidified. Thus, a bonded body that comprises the three-dimensional network structure and a foam and has improved connection strength can be manufactured.