Bridgestone Corporation

Archem Inc.

Yukiko Tsugawa

Yoshiyuki Takahashi

Taisuke Yonezawa

According to the disclosure, a seat padincludes a bag-contained pad partincluding a foam bodyand a bag bodyarranged inside the foam body

Seat pad, vehicle seat, vehicle seat controlling method, and seat pad manufacturing method

According to the present invention, a side part cavity () in which a side part is molded, a body part cavity () in which a body part is molded, and an attachment part cavity () in which an attachment part is molded are formed between a plurality of molding molds (), and a guiding part () that is configured to guide a foam to the body part cavity when an undiluted foam solution of the second synthetic resin material supplied to the side part cavity foams is arranged at a part of the side part cavity adjacent to, in a left-right direction X, a rear end part of the body part cavity in which a non-contact part is molded.

Foam molding mold and method for manufacturing foam molding body

A vehicle seat according to the present disclosure includes a pad including a foam, and a volume adjustment mechanism that allows adjustment of a volume of the foam. An adjustment method for a pad vibration characteristic according to the present disclosure adjusts a volume of a foam included in a pad to adjust a vibration characteristic of the pad.

Vehicle seat and adjustment method for pad vibration characteristic

A seat padcomprises a cushion padas a seat portion to be sat on, wherein a high ventilation memberhigher in ventilation property than a cushion pad member forming the cushion padis embedded in a part of the cushion padexcept a under-hip portion located under hips when sitting, in a state of being exposed only to a rear side of the cushion pad.

Seat pad

According to the present invention, in a plan view of a seat surface (), a plane area of a part surrounded by an inner edge () of a rear part () in a left-right direction (X) and a contour (L) is larger than a plane area of a part sandwiched by an inner edge () of a front part () in the left-right direction (X) and the contour (L) in the left-right direction (X). In addition, a part of a pair of left and right second synthetic resin materials forming a lower part having a maximum gap therebetween in the left-right direction (X) is positioned in a thigh rest part () and a part having a minimum gap is positioned in a hip rest part (), and a maximum value (W) of the gap between the pair of left and right second synthetic resin materials forming the lower part in the left-right direction (X) is two times or more a minimum value (W) of the gap in the left-right direction (X).

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Tokyo, Japan

Yukiko Tsugawa