Patent ID: 6649237
Filing Date: 2003-11-18
Classification: E01B,Y10T

Abstract:
A tube mat for vibration and sound damping in rail traffic technology, said tube mat being made of elastomer material in the form of an extrudate having a length, which comprises:(a) a first face side and a second face side arranged perpendicular to or at an angle with the length of the extrudate; and (b) a plurality of tubes extending in parallel along the length of the extrudate between the two face sides; wherein a portion of the tubes are closed at adjustable intervals to form in each case an enclosed air column, whereby the tube closure forms a one-piece elastomer composite with the tube mat; wherein said tube mat comprises a web-shaped structure extending along the length of the extrudate; and wherein the first and/or the second face sides are partially or completely open to form a correspondingly open face area and a closed tube system is formed in the center area of the tube mat.