Michael J O'Connell

US Patent:

20180016754, Jan 18, 2018

Filed:

Jul 12, 2017

Appl. No.:

15/647914

Inventors:

- Pittsburgh PA, US
Arka Prabha Roy - Pittsburgh PA, US
Michael Patrick O'Connell - Atlanta GA, US

Assignee:

L. B. FOSTER COMPANY - Pittsburgh PA

International Classification:

E01B 9/68
E01B 9/54

Abstract:

A bonded, direct fixation fastener as supportive structure for a rail on a railroad bed comprising: a substantially rectangular rail plate, wherein the rail plate has a generally horizontal center portion having a lower face and an upper face and wherein the rail plate defines an outer perimeter having a face defining a first angle to the railroad bed, the rail plate having attachment means to attach to the rail; a substantially rectangular bottom member defines an inner perimeter having a face defining a second angle to the railroad bed; and a substantially rectangular elastomeric portion disposed between, and bonded to each of, the outer perimeter and face of the rail plate and the inner perimeter and face of the bottom member.

US Patent:

20150060561, Mar 5, 2015

Filed:

Sep 4, 2014

Appl. No.:

14/477503

Inventors:

Korhan Ciloglu - Pittsburgh PA, US
Robert Alsop - Tucker GA, US
Pete Frye - Pittsburgh PA, US
Michael O'Connell - Atlanta GA, US

Assignee:

L.B. Foster Company - Pittsburgh PA

International Classification:

E01B 9/60
E01B 26/00

US Classification:

238315

Abstract:

A bonded fastener for a railway rail comprising: top and bottom generally horizontal plates bonded and separated by an insulating material wherein the top plate defines a rail bed; a plurality of clip housings wherein each clip housing houses part of a hold-down clip for attaching the rail to the bonded fastener; a plurality of anchor assembly areas wherein each anchor assembly area defines an opening through the bonded fastener for receiving an attachment device for attaching the fastener to a supporting surface; and one or more generally vertical barriers comprising part of the bonded fastener. Further, a first generally horizontal barrier may extend from the bonded fastener underneath each of the clip housings, and a second generally horizontal barrier may extend from the rail bed underneath the rail on each side of the bonded fastener.