B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 25/02 (2006.01) B29B 17/02 (2006.01) B29C 70/20 (2006.01) E01F 15/04 (2006.01)
Patent
CA 2068529
2068529 9116195 PCTABS00007 The problem of recycling scrap radial tires is addressed by providing many uses for a laminate made by bonding two or more belt sections of a radial tire, the sidewalls of which have been cut away, the tire then cut open, and de-treaded. The result is a multi-ply structure (11, 13) which is sensibly rigid in all three directions because each belt ply in a belt is reinforced with cords (12, 14) at an angle, the cord angle in one belt ply being opposed to the angle in the other. A slat, bar, or beam, formed with plural belts is essentially rigid in a direction at right angles to its longitudinal axis, because for bending to occur, one belt must be in tension and the other in compression. Neither condition is favored because of the opposed cord angles and belt geometry. Though essentially rigid because of the cord geometry, the amount of rubber (16) in the laminate allows it to be deformable relative to wood or steel having the same thickness. The result is a laminate which has anisotropic properties but may also be used to absorb impact. Belts reinforced with steel wire cords are preferred. Various configurations, such as arcuate slats, bars or beams may be formed, as well as mats and annular bodies.
R. William Wray & Associates
Snyder Robert H.
LandOfFree
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