Railroad ties made of recycled tire fragments

Details Railroad ties made of recycled tire fragments Railroad ties made of recycled tire fragments

E - Fixed Constructions

01

B

E01B 3/44 (2006.01) B29B 17/00 (2006.01) E01B 3/00 (2006.01)

Patent

CA 2091282

RAILROAD TIES MADE OF RECYCLED TIRE FRAGMENTS ABSTRACT OF THE DISCLOSURE This invention relates to the use of rubber fragments from discarded tires in railroad ties. Such ties are made using rubber fragments which contain steel, polyester, or other strands or fibers, and which therefor are less expensive to prepare than fragments from which the reinforcing strands have been removed. These fragments are mixed with an epoxy mixture comprising an oxirane- containing resin and an amine-containing hardening agent. Test samples made using the materials described herein have excellent hardness, strength, durability, and nail-gripping characteristics.

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