E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 3/10 (2006.01) B27M 3/14 (2006.01) E01B 3/46 (2006.01)
Patent
CA 2298248
A composite railroad cross tie supporting railroad track rails on a ballast or concrete roadbed is provided comprising an elongated wooden core, an end cap positioned over each end of the core and an outer shell or coating. The wooden core consists of virgin or recycled natural wood or of man made engineered wood such as oriented strand board (OSB), plywood, and the like. The outer coating can consist of virgin or recycled thermoplastic, thermoset resin, and/or rubber, with or without fillers or reinforcements. In manufacture, the core member is sized to a dimension which is less than the desired dimension of the finished composite cross tie. The end caps are then positioned over ends of the core member. Following the positioning of the end caps, the coating is applied to the core member in a continuous process by passing a series of core members with their end caps in a substantially end-to-end configuration through a cross head die.
Duratie Inc.
Niedermair Siegfried
Riches Mckenzie & Herbert Llp
LandOfFree
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