IP Library Granted Patent US 8,074,772
Granted Patent B2
US 8,074,772 · App. 11/903,749 · Granted Dec 13, 2011

Top of rail applicator

Assignee: Portec Rail Products, Inc.
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Quick Facts
Patent No.
US 8,074,772
App. No.
11/903,749
Granted
Dec 13, 2011
Kind
B2
Abstract

An applicator ( 10 ) for applying a friction modifying material to the top of rails ( 12 ). The wayside applicator includes an applicator bar ( 26 ) that has a dam for holding friction modifying material.

Claims (8)

1. A wayside applicator bar for applying a friction modifying material to a head of a rail, comprising:

a body; and

a flow passageway defined in said body for the material to flow through, the flow passageway defining a stationary exit end, said body including a distribution blade and an elastomeric member secured to the distribution blade, an upper end of the distribution blade and the elastomeric member forming a portion of the stationary exit end, the elastomeric member adapted to contain the material for depositing on an outside surface of the head of the rail, wherein said elastomeric member comprises a D-shaped seal.

2. A wayside applicator bar for applying a material to a rail head of a rail as claimed in claim 1 , wherein said rail elastomeric material comprises rubber.

3. A wayside top of rail applicator system, comprising:

a rail that includes a head; and

an applicator for applying friction modifying material to the rail, said applicator comprising a body, a flow passageway defined in said body for the material to flow therethrough, the flow passageway defining a stationary exit end for directing the material to the head, said body including a distribution blade and an elastomeric member secured to the distribution blade, an upper end of the distribution blade and the elastomeric member forming a portion of the stationary exit end, the elastomeric member adapted to contain the material for depositing on an outside surface of the head, wherein said elastomeric member comprises a D-shaped seal.

4. A wayside top of rail applicator system as claimed in claim 3 , wherein said elastomeric member comprises rubber.

Assignments (2)
CHANGE OF NAME Recorded Jun 5, 2024
From: PORTEC RAIL PRODUCTS, INC.
To: L.B. FOSTER RAIL TECHNOLOGIES, INC.
Reel/Frame 067633/0672 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 3, 2011
From: URMSON, W. THOMAS, JR.; MOSPAN, JOHN W.; LENCO, FRANK T.
To: PORTEC RAIL PRODUCTS, INC.
Reel/Frame 027170/0318 →
Continuity (3)
Continuation 11183190 · Jul 15, 2005
Continuation 09937792 · Jan 15, 2002
Related Publication 20080083584A1 · Apr 10, 2008