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AssigneePirelli Tyre S.p.A.
InventorsLuigi Antonio Badolato, Pietro Dale', Gianni Portinari
Estimating the term…
A process and apparatus for manufacturing tires for vehicle wheels includes the step of building, on a forming support, a belt structure including at least one reinforcing structure of the so-called zero-degree type. The reinforcing structure is formed by depositing a continuous elongated reinforcing element on a deposition surface arranged in a radially outer position with respect to the forming support. The aforementioned deposition includes the step of exerting, through at least one element made from magnetic material, a magnetic attraction on a portion of the continuous elongated reinforcing element arranged at at least one pressing member and moving said at least one pressing member toward the forming support until the continuous elongated reinforcing element is brought into contact with the deposition surface.
A process for manufacturing a tyre for vehicle wheels, the tyre comprising a belt structure arranged between a carcass structure and a tread band, wherein the belt structure comprises at least one zero-degree reinforcing structure, comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Applying the layers; Guiding or stretching the layers during application: by feeding a continuous band and winding it helically, i.e. the band is…
By the flat-tyre method, i.e. building on cylindrical drums: rolling-down or pressing-down the layers in the building process
Applying the layers; Guiding or stretching the layers during application: by feeding a continuous band and winding it helically, i.e. the band is…
Holding the layers, e.g. the webs or the plies, in position onto the drum: by using magnets
About 4 years of term left · ends 29 Oct 2030 (estimated)
1. Field of the Invention
The present invention relates to a process and an apparatus for manufacturing tyres for vehicle wheels.
2. Description of the Related Art
Further characteristics and advantages of the present invention will become clearer from the following detailed description of some preferred embodiments of an apparatus and of a process in accordance with the present invention, made with reference to the attached drawings. In such drawings:
FIG. 1 is a schematic perspective view of a portion of an apparatus in accordance with the present invention, such an apparatus being shown in a configuration corresponding to an intermediate operative step of the process of the present invention;
FIG. 2A is a schematic side view of the apparatus of FIG. 1 in a first operative step of the process of the present invention;
In FIG. 1, reference numeral 100 wholly indicates an example embodiment of an apparatus for depositing a continuous elongated reinforcing element on a forming support. Such an apparatus 100 is used, in particular, in a process for manufacturing tyres for vehicle wheels. More specifically, the apparatus 100 allows a reinforcing structure of the so-called zero degree type to be made in the building process of the belt structure of tyres for vehicle wheels.
As schematically indicated in FIG. 8, a tyre 2 obtainable by the apparatus and the process of the present invention essentially comprises a carcass structure 3 having one or more carcass plies 4 each formed by reinforcement cords incorporated in an elastomeric matrix.
Each carcass ply 4 comprises respective axially opposite end edges 4a, engaged with respective annular anchoring structures 5 arranged at the circumferentially inner edges of the tyre, i.e. in the areas of the tyre usually identified by the name “beads”.