Back to results
US 2009/0211695 A1Published application
Method and Apparatus for Manufacturing Tyres
AssigneePirelli Tyre S.p.A.
InventorsMaurizio Marchini, Fiorenzo Mariani, Pierangelo Misani, Marco Cantu
Life of this patent
Estimating the term…
Abstract
A green tyre is built on a rigid toroidal support externally having a forming surface of a conformation corresponding to an inner conformation of the tyre. The built tyre is removed from the rigid toroidal support and engaged on an expandable toroidal support which includes a bladder. The green tyre engaged on the expandable toroidal support is introduced into a vulcanisation mould and submitted to a vulcanisation cycle.
Claims46
1-45. (canceled)
A method of manufacturing tyres comprising the steps of:
- building a green tyre on a rigid toroidal support externally having a forming surface of a conformation corresponding to an inner conformation of a built green tyre;
- removing the built green tyre from the rigid toroidal support;
- engaging the green tyre on an expandable toroidal support comprising at least one bladder;
- introducing the green tyre engaged on the expandable toroidal support into a vulcanisation mould;
- and
- curing the tyre enclosed in the vulcanisation mould.
3 more elements
An apparatus for manufacturing tyres, comprising:
- at least one rigid toroidal support externally having a forming surface of a conformation corresponding to an inner conformation of a built green tyre;
- devices for building a green tyre on the rigid toroidal support;
- at least one expandable toroidal support comprising at least one bladder;
- devices for removing a built green tyre from the rigid toroidal support;
- devices for engaging the built green tyre on the expandable toroidal support;
- devices for introducing the built green tyre engaged on the expandable toroidal support into a vulcanisation mould;
- and
- devices for curing the tyre enclosed in the vulcanisation mould.
5 more elements
Dependencies are inferred from the claim text.