Door assembly with core module having integrated belt line reinforcement

[Subject] A door of a car contains many parts assembled by a frame and outer shell. If it depends on vehicles and an option, 100 or more parts may be included. Therefore, a manufacturing process of a door requires work and time, all the parts are right, and it is set in order, and this assembly must be prepared. Then, a door assembly which suppressed the number of components required for an assembly at worst is called for. [Means for Solution] The present invention provides Coamo Joule and a door system. A door system contains an exterior panel and Coamo Joule. Coamo Joule includes a strengthening portion provided in the first, the second side, and the first side of a body, and a slot where glass formed in the second side of a body moves. As for a slot where glass moves, it is good that it is shape in the air, and a body contains one or more parts provided on it. A door system contains an ornament panel made consistent so that Coamo Joule might be covered further. [Chosen drawing] Drawing 1