A method of and apparatus for producing single wire beads...

B - Operations – Transporting – 29 – D

Patent

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Details

B29D 30/48 (2006.01)

Patent

CA 2290638

A method of producing at least two single wire tyre bead cores comprising drawing off at least two bead wires from separate coils (20) of wires, passing the wires through wire processing means (23) to coat the drawn-off wires with rubber material, passing the rubber-coated wires through first festooner apparatus (24) and subsequently winding the rubber-coated wires on a former (36) to create at least two single wire tyre bead cores on the former. Before the wires are passed through the first festooner apparatus (24) they are joined together in the wire processing means (23). The joined together rubber coated wires are split (at 30) after passing through the first festooner apparatus (24) and, after being split are passed through second festooner apparatus (31) before being wound on the former (36). The invention also relates to apparatus for producing at least two single wire tyre bead cores.

Procédé servant à fabriquer au moins deux noyaux de talon de pneu à un seul fil et consistant à tirer au moins deux fils de talon depuis des bobines séparées (20) de fils, à faire passer ces fils à travers des moyens de traitement (23) de fil afin de revêtir de caoutchouc les fils étirés, à faire passer les fils revêtus de caoutchouc à travers un premier dispositif (24) de production de guirlande, puis à enrouler les fils revêtus de caoutchouc sur un formeur (36) afin d'obtenir au moins deux noyaux de talon de pneu à un seul fil sur le formeur. Avant le passage des fils à travers le premier dispositif (24) de production de guirlande, ils sont réunis dans les moyens de traitement (23) de fil. Les fils revêtus de caoutchouc et réunis sont divisés (au niveau de 30) après leur passage à travers le premier dispositif (24) de production de guirlande et passent à travers un deuxième dispositif (31) de production de guirlande après leur enroulement sur le formeur (36). L'invention concerne également un dispositif servant à fabriquer au moins deux noyaux de talon de pneu à un seul fil.

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