Fordonsdörr med bältesbalk och sidokrockskyddsbalk tillverkade i ett stycke med dörramen, samt sätt att tillverka en sådan

摘要

A vehicle door has a supportive frame ( 10 ). A waist rail ( 14 ) and a side impact guard beam ( 22 ) are formed integrally with the supportive frame. The entire frame is made of high strength sheet steel. The door is produced by hot stamping a steel sheet blank into the shape of a supportive door frame that includes an integral waist rail ( 14 ) and a side impact guard beam ( 22 ), and hardening the shaped door frame while the frame remains in the shaping tools, and fastening an outer panel ( 31 ) to the finished door such that the side collision guard beam ( 22 ) of the frame will lie close to the outer panel ( 31 ).