Acoustic Attenuation Device for Rails
ACOUSTIC ATTENUATION DEVICE FOR RAILS (© European Patent Office)
An acoustic attenuation device for a rail (100), comprising a vibration-damping profile (2) having a substantially "C"-shaped cross-section apt to be applied under said rail (100), with a first contact surface (3) facing a base surface (4) of said rail (100); a closure plate (20) having a plurality of holes (21) and defining a cavity (5) internal to said vibration-damping profile (2); a sound-deadening element (10) placed inside said cavity (5); and means (30, 31) for anchoring the device to said rail (100), wherein said vibration-damping profile (2) is made of recycled polymeric material.
Document:
EP3150764A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date:
09-26-2016
Publication date:
04-05-2017
Applicant: PREGYMIX S R L, IT
Inventor: LANCIA ALESSANDRO, IT ; LANCIA ANDREA, IT
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