Lightweight door for motor vehicles

A lightweight door for vehicles, the door comprising:

• a door box, the door box having a top portion delimited by inner and outer window gutter profiles;
• a lightweight window frame permanently coupled to the door box, the frame formed of metal selected from the group consisting of aluminum and aluminum alloy;
• the window frame formed from an extruded bent profile, the profile comprising an inside comprising a closed hollow chamber and an outside comprising at least one mounting formation selected from the group consisting of a mounting groove and a clip-on strip, the mounting formation continuously following a length of the profile and capable of receiving at least one add-on component;
• a window area encompassed by the window frame and the top portion of the door box;
• a plastic molded panel module coupled to the window frame, the module having outer panels formed as a single piece along a roof rail and a B-pillar of the frame, the module comprising at least one window channel seal;
• a plastic molded roof rail panel, the roof rail panel coupled to the window frame at an indoor surface of the outside of the window frame profile;
• and
• an elongated frame reinforcement part coupled to and reinforcing the B-pillar of the frame.

A lightweight door for vehicles, the door comprising:

• a door box, the door box having a top portion delimited by inner and outer window gutter profiles;
• a lightweight window frame coupled to the door box, the frame formed of metal selected from the group consisting of light metal and light metal alloy;
• the window frame formed from an extruded bent profile, the profile comprising an inside comprising a closed hollow chamber and an outside comprising a bearing surface and at least one mounting formation selected from the group consisting of a mounting groove and a clip-on strip, the at least one mounting formation continuously following a length of the profile and capable of receiving at least one add-on component;
• a window area encompassed by the window frame and the top portion of the door box;
• and
• a plastic molded panel module coupled to the mounting formation, the module comprising a support surface positioned adjacent the frame bearing surface and outer panels formed as a single piece along a roof rail and a B-pillar of the frame, the module further comprising at least one window channel seal.