|7762474||Adhesion of a composite wooden member by grooving and case hardening prior to encapsulation|
Coating adhesion on wooden members, such as wooden railroad crossties, is improved through use of three surface-treating techniques prior to application of the coating. The first technique involves forming grooves on the surface of the wooden article, the second tec...
|7314182||Extruded railroad tie for use with steel tie|
An extruded railroad tie comprising a bottom, a first side and a second side essentially opposite each other and extending from opposite ends of the bottom and a top surface shaped to receive and support the bottom of a steel tie. The extruded tie is useful for supp...