Abstract: A paving tile is made of a first rubber material and a second rubber material that is dissimilar from the first rubber material. The first rubber material may be a recycled rubber material, such as crumb rubber granules from scrap vehicle tires. The second rubber material may be a nitrile rubber material, such as nitrile butadiene rubber (NBR). The crumb rubber material is disposed within a mold and leveled. A relatively thin layer of the NBR material is positioned onto the crumb rubber material and the crumb rubber material and the NBR material are chemically bonded without an adhesive using a compression molding process including at least one of a preselected pressure, a preselected temperature and a preselected period of time. The recycled rubber material may have a first color and the nitrile rubber material may have a second color that is different than the first color.

Abstract: A wheel comprising: an inner hub including a first side, a second side being generally parallel to and opposite of the first side, an axle shaft emanating up from the second side, a plurality of inner spokes emanating up from the second side and outward from the axle shaft and engaging an inner circumferential member; an outer hub engaged to the inner circumferential member, a plurality of outer spokes emanating from the inner circumferential member, the outer spokes being engaged to the inner circumferential member at a proximal end of the spokes and engaged to an inner surface of an over mold substrate at a distal end of the spokes, the over mold substrate also having an outer surface being generally parallel to and opposite of the inner surface; and a over mold tread chemically bonded to the outer surface of the over mold substrate.