Producing pneumatic or solid tyres or parts thereof

BPERFORMING OPERATIONS TRANSPORTING B29Plastic substance processing B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE

B29D30/00Producing pneumatic or solid tyres or parts thereof

B29D30/0005Pretreatment of tyres or parts thereof B29D30/0016Handling tyres or parts thereof B29D30/005General arrangement or lay-out of plants for the processing of tyres or parts thereof B29D30/0061Accessories, details or auxiliary operations not otherwise provided for B29D30/02Solid tyres ; Moulds therefor B29D30/04Resilient fillings for rubber tyres Filling tyres therewith B29D30/06Pneumatic tyres or parts thereof ( B29D30/0601Vulcanising tyres; Vulcanising presses for tyres B29D30/0602the vulcanising medium being in direct contact with the tyre B29D30/0603Loading or unloading the presses B29D30/0605Vulcanising presses characterised by moulds integral with the presses having radially movable sectors B29D30/0606Vulcanising moulds not integral with vulcanising presses B29D30/0629with radially movable sectors B29D30/0633After-treatment specially adapted for vulcanising tyres B29D30/0643Cooling during post cure inflation; Post cure inflators used therefor B29D30/0645Devices for inserting vulcanising cores B29D30/0649Devices for removing vulcanising cores B29D30/065Tyre-vulcanising presses with two or more moulds B29D30/0654Flexible cores therefor B29D30/0661Rigid cores therefor B29D30/0662Accessories, details or auxiliary operations B29D30/0678Injection moulding specially adapted for tyres or parts thereof B29D30/0679Centrifugal casting specially adapted for tyres or parts thereof B29D30/0681Parts of pneumatic tyres; accessories, auxiliary operations B29D30/0685Incorporating auto-repairing or self-sealing arrangements or agents on or into tyres B29D30/08Building tyres B29D30/10on round cores B29D30/12Cores B29D30/14Rolling-down or pressing-down the layers in the building process B29D30/16Applying the layers Guiding or stretching the layers during application B29D30/1607by feeding a sheet perpendicular to the core axis and joining the ends to form an annular element B29D30/1614by sliding a preformed tubular layer over the core B29D30/1621by feeding a continuous band and winding it spirally B29D30/1628by feeding a continuous band and winding it helically B29D30/1635by feeding a continuous band and moving it back and forth (zig-zag) to form an annular element B29D30/1642by feeding cut-to-length pieces in a direction perpendicular to the core axis and in a plane parallel to the core axis, and placing the pieces side-by-side to form an annular element B29D30/165by feeding cut-to-length pieces in a direction parallel to the core axis and placing the pieces side-by-side to form an annular element B29D30/1657by feeding cut-to-length pieces in a direction inclined with respect to the core axis and placing the pieces side-by-side to form an annular element B29D30/18Fitting the bead-rings or bead-cores Folding the textile layers around the rings or cores B29D30/20by the flat-tyre method B29D30/22Breaker plies being applied in the unexpanded state B29D30/24Drums B29D30/242for manufacturing substantially cylindrical tyre components without cores or beads B29D30/243and with mechanisms for folding layers B29D30/244for manufacturing substantially cylindrical tyre components with cores or beads B29D30/245Drums for the single stage building process B29D30/246Drums for the multiple stage building process B29D30/247Arrangements for the first stage only B29D30/248Drums of the undercut type without toroidal expansion B29D30/26Accessories or details B29D30/2607Devices for transferring annular tyre components during the building-up stage B29D30/28Rolling-down or pressing-down the layers in the building process B29D30/30Applying the layers Guiding or stretching the layers during application B29D30/3007by feeding a sheet perpendicular to the drum axis and joining the ends to form an annular element B29D30/3014by sliding a preformed tubular layer over the drum B29D30/3021by feeding a continuous band and winding it spirally B29D30/3028by feeding a continuous band and winding it helically B29D30/3035by feeding a continuous band and moving it back and forth (zig-zag) to form an annular element B29D30/3042by feeding cut-to-length pieces in a direction perpendicular to the drum axis and in a plane parallel to the drum axis, and placing the pieces side-by-side to form an annular element B29D30/305by feeding cut-to-length pieces in a direction parallel to the drum axis and placing the pieces side-by-side to form an annular element B29D30/3057by feeding cut-to-length pieces in a direction inclined with respect to the drum axis and placing the pieces side-by-side to form an annular element B29D30/32Fitting the bead-rings or bead-cores Folding the textile layers around the rings or cores B29D30/34by jointly covering two bead-rings, located parallel to each other at a distance apart, with fabric or cord layers B29D30/36Expansion of tyres in a flat form i.e. expansion to a toroidal shape independently of their building-up process B29D30/38Textile inserts B29D30/40Chemical pretreatment of textile inserts before building the tyre B29D30/42Endless textile bands without bead-rings B29D30/44Stretching or treating the layers before application on the drum B29D30/46Cutting textile inserts to required shape B29D30/48Bead-rings or bead-cores Treatment thereof prior to building the tyre B29D30/50Covering B29D30/52Unvulcanised treads B29D30/54Retreading B29D30/542using envelopes or membranes provided with sealings for curing B29D30/56Retreading with prevulcanised tread B29D30/58Applying bands of rubber treads B29D30/60by winding narrow strips B29D30/62by extrusion or injection of the tread on carcass B29D30/64Tyre spreaders B29D30/66Moulding treads on to tyre casings B29D30/68Cutting profiles into the treads of tyres B29D30/70Annular breakers B29D30/72Side-walls