Angularly Assembled Patents (Class 238/240)
Longitudinal (Class 238/241)
Lateral (Class 238/242)
  • Method and arrangement to insulate rail ends
    Patent number: 8302878
    Abstract: A rail joint arrangement comprises two rails. The rails have adjacent rail ends separated and thereby forming a gap. The rails have a top end containing a rail head and a bottom end. The gap is defined between the top end and the bottom end of the rails, and the width of the gap is non-uniform throughout its entire length. In addition, the rail joint arrangement comprises at least one electric insulator positioned within the gap. The rail joint arrangement is fastened together by a rail joint bar attaching the two rails together.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: November 6, 2012
    Assignee: Koppers Delaware, Inc.
    Inventors: W. Thomas Urmson, Jr., John M. Downey, Patrick J. Boario, John W. Mospan
  • Method and arrangement to insulate rail ends
    Patent number: 7975933
    Abstract: A rail joint arrangement comprises two rails. The rails have adjacent rail ends separated and thereby forming a gap. The rails have a top end containing a rail head and a bottom end. The gap is defined between the top end and the bottom end of the rails, and the width of the gap is non-uniform throughout its entire length. In addition, the rail joint arrangement comprises at least one electric insulator positioned within the gap. The rail joint arrangement is fastened together by a rail joint bar attaching the two rails together.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: July 12, 2011
    Inventors: W. Thomas Urmson, Jr., John M. Downey, Patrick J. Boario, John W. Mospan