A stabilizer link and a manufacturing method therefor which can ensure strength required in wing plates and a center supporting plate and in a support bar, and which can ensure strength required in ribs. The support bar has a top wing plate, a bottom wing plate, a center supporting plate, and a…

The invention is a resin backrest frame structure, in which side frames that extend in parallel on both sides and a cross frame that extends as a sheet across the upper parts of the two side frames are integrally connected and form an arch shape overall, and a production method therefor. The cross…

The part i.e. cross-piece (12D), has a reinforcement element (20) and a plastic molded envelope (22) arranged on the reinforcement element. The envelope defines an external surface (24) of the part. The element comprises a body (32) and a conical or truncated protuberance (34) that is made of…