Damping mat

PL250128B1Active Publication Date: 2026-08-24POLITECHNIKA WARSZAWSKA
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Patent Information

Application Number
PL2022440999
Authority / Receiving Office
PL · PL
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-04-22
Publication Date
2026-08-24
Estimated Expiration
2042-04-22
Patent Text Reader

Abstract

A damping mat used in the construction of railway roads, in order to reduce dynamic impacts on the environment in the form of vibrations originating from the movement of rail vehicles, provided with an impermeable layer filled with an unbound material based on polymer fillers, characterized in that it consists of a protective outer layer - bottom (2.1) and top (2.2), a closed inner layer placed between the outer layers and a loose filling material (4) of the inner layer, wherein the inner layer is provided with at least one vent hole; wherein the inner layer is divided into cells by partitions, which cells can be connected to each other by pressure channels; wherein the outer layers, bottom (2.1) and top (2.2) can be connected to each other by means of connectors known in the art.
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Citation Information

Patent Citations

  • Adaptive-passive vibration absorber using loose granular material

    PL238247B1

  • Shock absorbing interlay piece made of resilient plastic

    PL319171A1

  • Damping mass, preferably for metal structures

    PL411456A1

  • Sound-damping mat, especially for a ballast bed

    US5060856A