Elastic permeable pavement comprising waste-polyurethane...

Details Elastic permeable pavement comprising waste-polyurethane... Elastic permeable pavement comprising waste-polyurethane...

2006-10-24

2006-10-24

Petravick, Meredith C. (Department: 3671)

Road structure, process, or apparatus

Pavement

Including bed

C404S032000, C404S082000, C427S136000

Reexamination Certificate

active

07125199

ABSTRACT:
An elastic permeable pavement comprising waste-polyurethane chips for use on new roads and a paving method using the same. This pavement uses a binder specially developed to secure the binding between an upper polyurethane chip layer and a lower permeable concrete 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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