Chucks and use in processing toroidal structures

Details Chucks and use in processing toroidal structures Chucks and use in processing toroidal structures

B - Operations, Transporting

29

D

B29D 30/24 (2006.01) B60C 25/12 (2006.01)

Patent

CA 2667885

A chuck and a chuck system, and a method for processing a toroidal structure such as a tire carcass. The carcass includes an internal circumference and tapered ends. The chuck system comprises a plurality of chucks wherein each chuck includes a circumferential or substantially circumferential external surface and a plurality of friction reducing members positioned on the external surface. The friction reducing members are positioned to engage the internal circumference of the toroidal structure such as a tire. The method of processing a tire carcass includes positioning the tire carcass on fixed diameter chucks having friction reducing members on the external surface.

Mandrin, système de mandrin et procédé de traitement d'une structure toroïdale, telle qu'une carcasse de pneu. La carcasse comprend une circonférence interne et une pluralité d'extrémité fuselées. Le système de mandrin comprend une pluralité de mandrins, chaque mandrin comprenant une surface externe circonférentielle ou sensiblement circonférentielle et une pluralité d'éléments de réduction de friction positionnés sur la surface externe. Les éléments de réduction de friction sont positionnés de façon à engager la circonférence interne de la structure toroïdale, comme un pneu. Le procédé de traitement d'une carcasse de pneu comprend le positionnement de la carcasse de pneu sur des mandrins à diamètre fixe comprenant des éléments de réduction de friction sur la surface externe.

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