Annular Structure Having Multiple Reinforcement Bands

摘要

An annular reinforcement structure is provided having a first reinforcement band and a second reinforcement band in a spaced-apart, concentric relationship, and a cast-in-place core material positioned between the first and second reinforcement bands and bonded thereto.

主权项

1. An annular reinforced structure, comprising:
(a) an inner reinforcement band; (b) an outer reinforcement band positioned around the inner reinforcement band, whereby the inner and outer reinforcement bands are spaced apart and concentric, and the outer reinforcement band having an exterior side, opposite the inner reinforcement band; and (c) a cast-in-place, core material having a density of 0.75 g/cm3 or greater, positioned between and bonded to the inner and outer reinforcement bands, whereby at least a portion of the exterior side of the outer reinforcement band is not coated by the core material.