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    • 5. 发明公开
    • LAMINATED HOLLOW MOLDED BODY
    • EP4364936A1
    • 2024-05-08
    • EP22853044.0
    • 2022-08-02
    • Kotobukiya Fronte Co., Ltd.
    • OTOBE, Masayuki
    • B32B3/12
    • B32B3/12
    • Provided is a laminated hollow formed body in which the generation of strange noises such as crunching is restrained even when hot press forming is performed on the laminated hollow formed body including a core layer with double standing walls and a plurality of regions different in height of the core layer is included. A laminated hollow formed body includes a core layer (10) that is made of resin and that is sandwiched between a front material layer (40) and a back material layer (50), the core layer (10) is a core layer in which hollow cells (20) having a tubular shape are disposed along a plurality of rows, a double standing wall (24) is constituted by cell standing walls (23a, 23b) of two adjacent hollow cells (20), two cell standing walls (23a, 23b) extend from a first end portion (27) contacting the front material layer (40) to a second end portion (28) contacting the back material layer (50) in the same direction as each other, in a double standing wall (24P) of a core layer (10P) at a region where hot press forming has been performed to the laminated hollow formed body, and at least one of the first end portion (27) and the second end portion (28) is a lump portion (26) made of the two cell standing walls integrally melted.