E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
238/2
E01B 19/00 (2006.01) E01B 1/00 (2006.01) E02D 3/08 (2006.01) E04B 1/98 (2006.01)
Patent
CA 1125718
ABSTRACT OF THE DISCLOSURE The present invention is concerned with an insula- tion layer for damping train-generated noise along the tracks over which a train rides, said insulation layer arranged to be positioned between a support for the track and ballast supporting the track, said insulation layer comprising at least two layers of a resiliently deformable material, wherein the improvement comprises that said at least two layers include a first general- ly planar layer having an upwardly directed surface and a down- wardly directed surface and the thickness dimension thereof exten- ding between the upwardly and downwardly directed surfaces, a second generally planar layer having an upwardly directed sur- face an downwardly directed surface and the thickness dimension thereof extending between the upwardly and downwardly directed surfaces and said second layer located below said first layer and arranged to receive downwardly directed compressive force from said first layer, the upwardly directed surface of said first layer being arranged to be in direct contact with the ballast and being three dimensionnally deformable under the influence of the ballast, and the downwardly directed surface of said first layer being free relative to the upwardly directed surface of said second layer and transmitting only downwardly directed com- pressive force to said second layer ABSTRACT OF THE DISCLOSURE: The present invention is concerned with an insula- tion layer for damping train-generated noise along the tracks over which a train rides, said insulation layer arranged to be positioned between a support for the track and ballast supporting the track, said insulation layer comprising at least two layers of a resiliently deformable material, wherein the improvement comprises that said at least two layers include a first general- ly planar layer having an upwardly directed surface and a down- wardly directed surface and the thickness dimension thereof exten- ding between the upwardly and downwardly directed surfaces, a second generally planar layer having an upwardly directed sur- face an downwardly directed surface and the thickness dimension thereof extending between the upwardly and downwardly directed surfaces and said second layer located below said first layer and arranged to receive downwardly directed compressive force from said first layer, the upwardly directed surface of said first layer being arranged to be in direct contact with the ballast and being three dimensionnally deformable under the influence of the ballast, and the downwardly directed surface of said first layer being free relative to the upwardly directed surface of said second layer and transmitting only downwardly directed com- pressive force to said second layer
319983
Getzner Chemie Gesellschaft M.b.h.
Robic Robic & Associes/associates
LandOfFree
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