公开(公告)号：US20220168930A1

公开(公告)日：2022-06-02

申请号：US17441090

申请日：2019-12-16

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Masaki OTSUKI ,  Atsushi FUKUTA

IPC: B29C44/34 ,  B29C44/58 ,  B60N2/90

Abstract: Provided are a method for manufacturing a molded foam, and a molded foam. A method for manufacturing a molded foam includes: a molding step of molding the molded foam; and a releasing step of opening a fixed mold and a mobile mold and extruding the molded foam from the fixed mold by an ejector pin. The molded foam has an inclined face that is inclined relative to a direction of opening the mold. The inclined face has a recess for extruding of the molded foam by the ejector pin. The tip surface of the ejector pin has a first extruding surface that is perpendicular to the mold opening direction and forms a bottom face of the recess, and a second extruding surface that is inclined relative to the first extruding surface.

公开(公告)号：US20190176669A1

公开(公告)日：2019-06-13

申请号：US16325967

申请日：2017-08-10

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Kenta NORO ,  Yasuhiro YAMASAKI ,  Yushi SAKAKIBARA ,  Atsushi FUKUTA

IPC: B60N2/70 ,  A47C7/18 ,  A47C7/20 ,  B29C44/12

CPC classification number: B60N2/7017 ,  A47C7/185 ,  A47C7/20 ,  B29C44/12 ,  B29L2031/30 ,  B60N2/68

Abstract: The method manufactures a vehicular seat member including a frame member and a foamed resin molded body to embed the frame member. Firstly the frame member is placed in a molding die so that the frame member extends along the outer shape of the vehicular seat member in plan view of the vehicular seat member. Next the foamed resin molded body is formed in the molding die so that the foamed resin molded body has a rim part embedding the frame member and having an outer shape of the vehicular seat member and an extension extending inward from the rim part so as to bridge the rim part inside of the rim part. During the forming, the method forms a break in the extension so as to divide the extension along the direction intersecting the extending direction of the extension.

公开(公告)号：US20200282886A1

公开(公告)日：2020-09-10

申请号：US16641075

申请日：2018-08-14

Applicant: SEKISUI PLASTICS CO., LTD.

Inventor： Atsushi FUKUTA

IPC: B60N2/70 ,  A47C7/18 ,  B29C44/12

Abstract: The present invention provides means for improving bondability between a vehicle seat core and a cushion in a vehicle seat pad formed by integration of them without significantly impairing mechanical properties. A vehicle seat core is characterized in that it is a vehicle seat core for forming a vehicle seat pad by integration with a cushion, which comprises a foamed resin molded body obtained by filling a cavity of a mold with a plurality of foamed resin particles and performing in-mold foam molding, and that at least a partial region of a surface of the foamed resin molded body to which the cushion is bonded when forming the vehicle seat pad has a surface expansion rate of 40% to 85%, and the foamed resin molded body has a first fusion rate of 95% or more or a second fusion rate of 60% or more.