Elastic drainage pavement comprising waste polyurethane...

Details Elastic drainage pavement comprising waste polyurethane... Elastic drainage pavement comprising waste polyurethane...

2006-08-29

2006-08-29

Will, Thomas B. (Department: 3671)

Road structure, process, or apparatus

Pavement

Including bed

C404S032000, C404S082000, C427S136000

Reexamination Certificate

active

07097382

ABSTRACT:
An elastic drainage pavement comprising waste-polyurethane chips for use on existing roads and a paving method using the same, which uses a binder specially developed to secure the binding between an upper polyurethane-chip layer and a lower existing-pavement layer as well as the binding among the waste-polyurethane chips, resulting in excellent strength and durability, and uses recycled polyurethane chips to provide elasticity and permeability suitable for sports activities, walking, and outdoor exercises.

REFERENCES:
patent: 3645945 (1972-02-01), Lesesne
patent: 6960046 (2005-11-01), Kang
patent: 2005/0175410 (2005-08-01), Kang

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