| 摘要 |
In rail foundations and support foundations for buildings and bridges, he novelty is that scrap tyre profiles are cut to fit between the rails and sleepers and between the girders of buildings and bridges for damping vehicle and pedestrian traffic noise. Also claimed are (a) rubber underlay pads of all types, shapes and sizes, stamped out of scrap tyre sidewalls, (b) seals of all types, shapes and sizes, opt. produced from scrap tyre sidewalls, (c) tyre rim beads of all types and sizes, useful as road or building reinforcements, (d) seals of all types, shapes and sizes, useful for vehicles, water taps, gas seals, shut-off cocks, liq. seals and pumps, and (e) seals of scrap tyres of all types and sizes, for engine seals, for transmissions and for injection pump or filter seals. ADVANTAGE - Scrap tyres can be reused for acoustic insulation, sealing and reinforcing purposes.
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