Patents Assigned to Railroad-Solutions, LLC
  • Rail spike retention and tie preservation mixture and method
    Patent number: 6255370
    Abstract: A rail spike retention and tie preserving mixture and method are disclosed for use in a wood cross tie at the situs of a driven rail spike, the mixture providing a single stage dry mixture application and including ground petroleum pitch, sub-angular silica sand and a hydrocarbon resin adhesive/sealant material. The mixture and method assure better spike retention in the tie while protecting the wood tie from degradation at and around the site of spike placement thus increasing the useful life of the tie.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: July 3, 2001
    Assignee: Railroad-Solutions, LLC
    Inventors: Walter F. Vizcaino, Michael L. Raab