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US 9,440,665 B2Granted
Top of rail foam bar
AssigneeL.B. Foster Rail Technologies, Inc.
InventorsSteven D. Singleton, W. Thomas Urmson, Matthew P. Redfield, Christopher Alan Lucke
Life of this patent
Estimating the term…
Abstract
A rail applicator assembly includes a rail having a head portion, a base portion, and a web portion extending between the head portion and the base portion. The head portion defines an outer surface. An applicator for applying a friction modifying material to the surface of the rail includes a foam body and an applicator support. The foam body is secured to the applicator support and defines a flow passageway that extends through the foam body for friction modifying material to flow through.
Claims17
A rail applicator comprising:
- an elongate polymeric or rubber body configured to apply a friction modifying material to a field surface of a head portion of a rail, the elongate polymeric or rubber body defining a flow passageway consisting of one conduit that extends through the elongate polymeric or rubber body for the friction modifying material to flow through;
- and
- an applicator support;
- wherein the elongate polymeric or rubber body is bonded to the applicator support.
1 more element
Dependencies are inferred from the claim text.