|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 12 인용 특허 : 0|
Re-cycled tire treads are laminated into stacks and attached to a reinforcement element which has a first portion which provides increased compressive strength and a second portion which provides increased torsional and bending strength. Several embodiments with reinforcing elements ranging from T-bars, to I-beams to box beams, with variations including corrugated flanges. Pre-drilled holes can be provided in the flanges to facilitate insertion of the spikes. While steel-belted tires are preferred for use in creating stacks, provisions are made to ensure...
We claim: 1. A rail tie, comprising:at least two stacks of laminated tire treads;a reinforcing member comprising an I-beam having a vertical member disposed between said at least two stacks of laminated tire treads, and at least two reinforcing flanges, the first reinforcing flange extending from a first end of said vertical member and the second reinforcing flange extending from another end of said vertical member; andat least two one-half width stack of tire treads, each of the one-half width stacks disposed between the reinforcing flanges,wherein said...