METHOD OF REINFORCING AUTOMOTIVE TIRES WITH RESILIENT SPOKES AND FEMALE DIE FOR WHEEL PRODUCTION Russian patent published in 2014 - IPC B29C43/28 B29D30/34 

FIELD: machine building.

SUBSTANCE: in compliance with this method, carcass is reinforced by winding metal threads in circumferential direction onto premade reinforced tire base fitted with spokes and placed into female die. Note here that breaker strip is formed by thread winding around premade polyurethane ring in radial direction. Said female die has forming elements, inner ring 12 for forming resilient spoke surfaces, outer ring 9 for forming tread 5, wheel disc, bottom 10 and cover 14. Wheel disc 7, metal threads 16 and inner ring 12 with grooves 15 for forming limiting ledges 4 on polyurethane tire base 6 are fitted in female die. Polyurethane is poured into space between wheel disc 7 and inner ring 12. Polyurethane hardened, inner ring 12 is removed from female die to wind continuous metal threads 3 in circumferential direction on obtained surface of tire reinforced base between said limiting ledges 4. Pins 8 are fitted in holes 13 made in mould bottom 10. Then, fitted is breaker strip composed of premade polyurethane ring 2 with continuous metal threads 1 wound in radial direction and provided with openings for fitting in place on said pins 8. Polyurethane is poured into space between tire base 6 and outer ring 9.

EFFECT: higher quality of reinforcement, lower labor input.

2 cl, 5 dwg