Method of hydroforming articles and the articles formed thereby

A hydroform frame body (12,14) is combined shaping by at least two element. At least two bodies are provided with a partial overlapped region, and a to form a pair of an ring (20). The circle filling the adhesive, then, wherein the adhesive is a solidified, is configured at least two bodies are. The combined of adhesive is provided With Separately to resist of the stressing angle of the hydraulic operation section, and a maintaining wherein the intensity, so the hydraulic device of brake and vehicle frame body (40).