Anisotropic laminate of belted portions of a scrap tire

Details Anisotropic laminate of belted portions of a scrap tire Anisotropic laminate of belted portions of a scrap tire

1990-04-20

1992-03-17

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

152531, 152535, 156 96, 156126, 156130, 428105, 428109, 428250, 428902, B60C 900

Patent

active

050967720

ABSTRACT:
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 which is sensibly rigid in all three directions because each belt ply in a belt is reinforced with cords 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 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.

REFERENCES:
patent: 4688615 (1987-08-01), Lee

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