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US 10,415,197 B2Granted
Ballast mats and methods of forming the same
AssigneeVersaflex, Inc.
InventorJoseph Haydu
Life of this patent
Estimating the term…
Abstract
A method and apparatus for coating transportation components such as a bridge deck with a coating. The coating includes a sealant and rubber mixed with a resin and a foaming agent. The apparatus includes a hopper for the rubber, a impingement gun for the resin and a gun assembly that combines the rubber and resin together at a combined nozzle for spraying.
Claims21
A protective coating system for a bed of a railway structure having ballast and a railway track structure comprising:
- a cure-in-place waterproof membrane configured to be disposed on the bed of the railway;
- and
- a cure-in-place ballast protection coating configured to be disposed over the waterproof membrane,
- wherein the ballast protection coating is compressible;
- and
- wherein the thickness of the ballast protection coating is between approximately 200 mils and 300 mils.
3 more elements
Dependencies are inferred from the claim text.