METHOD OF EXTRACTION OF BEAD RINGS FROM A WORN AUTO-TIRE CASING Russian patent published in 2004 - IPC

FIELD: production lines of extraction of gum from the worn auto tires. SUBSTANCE: the invention presents a method of extraction of bead rings from a worn auto-tire casing, that may be used in production lines of extraction of gum from the worn auto tires. The method of extraction of bead rings from a worn auto-tire casing provides for a radial cutting of a worn auto-tire casing in fragments with the following pulling out from each fragment the cuttings of the bead rings contained in it. The cuttings of the bead rings are hooked by the middle parts and drawn through the calibrating aperture of a horizontal plate. The cuttings drawing through is exercised with the help of a driving member made in the form of a vertically elongated plate with a hook on its lower end. The hook is used to seize a middle part of the considered cutting of the bead ring of an auto-tire casing fragment located at this time on a slab, and the chosen cutting of the bead ring is drawn through the calibrating aperture of the slab top-down with a simultaneous double-sided pressing under the slab of the indicated cutting of the bead ring to the side planes of the member of drawing. The method ensures liable reliability of extraction of the bead ring from the worn auto-tire casings, increases degree of clearing of the bead ring from the gum at keeping ecological norms. EFFECT: reliable extraction of the bead ring from worn auto-tire casings, improved striping of the bead ring from the gum at keeping ecological norms. 3 dwg