US Patent 6922945 Seal for motor vehicle opening frame

A seal with a first profiled section, a second profiled section (5) housed inside a third profiled section made of an elastically deformable flexible material, the third profile section forming by itself or with the part of the first and/or the second profiled section a sealed tubular member connected to a source of fluid under pressure and adapted under the action of the fluid, to be urged into contact with the inner face of the second profiled section (5), to improve the sealing and soundproof properties of the seal when the vehicle moves at a high speed.