by 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

Industry

CPC
B29D30/305

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

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

Industries

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for building tyres for vehicle wheels
- Patent number 11,718,054
- Issue date Aug 8, 2023
- Pirelli Tyre S.p.A.
- Gianni Mancini
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process and apparatus for building tyres for vehicle wheels
- Patent number 10,899,095
- Issue date Jan 26, 2021
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for building tyres for vehicle wheels and tyr...
- Patent number 10,857,749
- Issue date Dec 8, 2020
- Pirelli Tyre S.p.A.
- Gianni Mancini
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process and apparatus for manufacturing tyres for vehicle wheels
- Patent number 10,807,334
- Issue date Oct 20, 2020
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Validation tool and method for validating optical equipment
- Patent number 10,792,877
- Issue date Oct 6, 2020
- VMI HOLLAND B.V.
- Mattheus Jacobus Kaagman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pneumatic tire
- Patent number 10,293,644
- Issue date May 21, 2019
- The Yokohama Rubber Co., Ltd.
- Hideki Seto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process and apparatus for manufacturing tyres for vehicle wheels
- Patent number 10,213,977
- Issue date Feb 26, 2019
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and plant for manufacturing mutually different tyres
- Patent number 10,201,945
- Issue date Feb 12, 2019
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for manufacturing tyres
- Patent number 10,155,351
- Issue date Dec 18, 2018
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for manufacturing tyres for vehicle wheels
- Patent number 10,118,356
- Issue date Nov 6, 2018
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Device for cutting and transferring a strip for the assembly of a tire
- Patent number 9,855,716
- Issue date Jan 2, 2018
- Compagnie Generale des Etablissements Michelin
- Michel Deboeuf
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for building tyres and tyre obtainable by said process
- Patent number 9,789,657
- Issue date Oct 17, 2017
- Pirelli Tyre S.p.A.
- Gianni Mancini
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process and apparatus for manufacturing tyres for vehicle wheels
- Patent number 9,694,551
- Issue date Jul 4, 2017
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for building tyres for vehicle wheels
- Patent number 9,527,256
- Issue date Dec 27, 2016
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for building tyres for vehicle wheels
- Patent number 9,498,926
- Issue date Nov 22, 2016
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for manufacturing tyres for vehicle wheels
- Patent number 9,339,980
- Issue date May 17, 2016
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for manufacturing a tyre and apparatus for laying a reinforc...
- Patent number 9,254,618
- Issue date Feb 9, 2016
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for manufacturing tyres
- Patent number 9,216,551
- Issue date Dec 22, 2015
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for controlling the deposition of semifinished elements for...
- Patent number 9,207,656
- Issue date Dec 8, 2015
- Pirelli Tyre S.p.A.
- Michele Ballabio
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for manufacturing tyres for vehicle wheels
- Patent number 9,205,614
- Issue date Dec 8, 2015
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for manufacturing tyres for vehicle wheels
- Patent number 9,168,709
- Issue date Oct 27, 2015
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for manufacturing tyres for vehicle wheels
- Patent number 8,535,465
- Issue date Sep 17, 2013
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and appartus for manufacturing tyres for vehicle wheels
- Patent number 8,512,495
- Issue date Aug 20, 2013
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for manufacturing a tyre and apparatus for laying a reinforc...
- Patent number 8,262,822
- Issue date Sep 11, 2012
- Pirelli Tyre S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Rotary laying arm comprising an on-board thread feed means
- Patent number 8,151,853
- Issue date Apr 10, 2012
- Michelin Recherche et Technique S.A.
- Pascal Martin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tire structural member fabricating method and apparatus for carryin...
- Patent number 7,998,297
- Issue date Aug 16, 2011
- Bridgestone Corporation
- Yasuo Mizota
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Device and method for guiding a thread
- Patent number 7,976,660
- Issue date Jul 12, 2011
- Michelin Recherche et Technique S.A.
- Pascal Martin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tire manufacturing method
- Patent number 7,883,595
- Issue date Feb 8, 2011
- Bridgestone Corporation
- Yuichi Nakada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pneumatic tire with belt layer including a plurality of strip piece...
- Patent number 7,857,025
- Issue date Dec 28, 2010
- The Yokohama Rubber Co., Ltd.
- Kazuyuki Kabe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for determining the operating parameters of a device for lay...
- Patent number 7,842,148
- Issue date Nov 30, 2010
- Michelin Recherche et Technique S.A.
- Pascal Martin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
TIRE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20230364873
- Publication date Nov 16, 2023
- SUMITOMO RUBBER INDUSTRIES, LTD.
- Masaya YOKOTA
- B60 - VEHICLES IN GENERAL
Information Patent Application
TYRE FOR VEHICLE WHEELS
- Publication number 20230278303
- Publication date Sep 7, 2023
- PIRELLI TYRE S.P.A.
- Gianni MANCINI
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD FOR MANUFACTURING AND TRANSFERRING A MULTI-PLY LAMINATE, APP...
- Publication number 20220371296
- Publication date Nov 24, 2022
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
- Clément DUBOIS
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PNEUMATIC TIRE AND METHOD FOR MANUFACTURING PNEUMATIC TIRE
- Publication number 20210354514
- Publication date Nov 18, 2021
- The Yokohama Rubber Co., Ltd.
- Noriyoshi KOYAMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
APPARATUS FOR BUILDING TYRES FOR VEHICLE WHEELS
- Publication number 20210046720
- Publication date Feb 18, 2021
- PIRELLI TYRE S.P.A.
- Gianni MANCINI
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD FOR MANUFACTURING PNEUMATIC TIRE
- Publication number 20180201074
- Publication date Jul 19, 2018
- The Yokohama Rubber Co., Ltd.
- Hideki Seto
- B60 - VEHICLES IN GENERAL
Information Patent Application
TIRE PLY JOINT CONFIGURATION
- Publication number 20180178585
- Publication date Jun 28, 2018
- The Goodyear Tire and Rubber Company
- Hongbing CHEN
- B60 - VEHICLES IN GENERAL
Information Patent Application
PROCESS FOR BUILDING TYRES AND TYRE OBTAINED THEREBY
- Publication number 20180001584
- Publication date Jan 4, 2018
- PIRELLI TYRE S.P.A.
- Gianni Mancini
- B60 - VEHICLES IN GENERAL
Information Patent Application
VALIDATION TOOL AND METHOD FOR VALIDATING OPTICAL EQUIPMENT
- Publication number 20170368777
- Publication date Dec 28, 2017
- VMI HOLLAND B.V.
- Mattheus Jacobus Kaagman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS
- Publication number 20170320283
- Publication date Nov 9, 2017
- PIRELLI TYRE S.P.A.
- Maurizio MARCHINI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS AND APPARATUS FOR BUILDING TYRES FOR VEHICLE WHEELS
- Publication number 20170282471
- Publication date Oct 5, 2017
- PIRELLI TYRE S.P.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS
- Publication number 20160144584
- Publication date May 26, 2016
- PIRELLI TYRE S.P.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS AND APPARATUS FOR BUILDING TYRES FOR VEHICLE WHEELS AND TYR...
- Publication number 20160144583
- Publication date May 26, 2016
- PIRELLI TYRE S.P.A.
- Gianni MANCINI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
DEVICE FOR CUTTING AND TRANSFERRING A STRIP FOR THE ASSEMBLY OF A TIRE
- Publication number 20150298409
- Publication date Oct 22, 2015
- MICHELIN RECHERCHE ET TECHNIQUE, S.A.
- Michel DEBOEUF
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Process and Apparatus for Manufacturing Tyres for Vehicle Wheels
- Publication number 20140374008
- Publication date Dec 25, 2014
- PIRELLI TYRE S.P.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS AND PLANT FOR MANUFACTURING MUTUALLY DIFFERENT TYRES
- Publication number 20140311655
- Publication date Oct 23, 2014
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PNEUMATIC TIRE PRODUCTION METHOD AND PNEUMATIC TIRE
- Publication number 20140190617
- Publication date Jul 10, 2014
- SUMITOMO RUBBER INDUSTRIES, LTD.
- Yukishige Adachi
- B60 - VEHICLES IN GENERAL
Information Patent Application
PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS
- Publication number 20140014251
- Publication date Jan 16, 2014
- PIRELLI TYRE S.P.A.
- Maurizio MARCHINI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS
- Publication number 20130319617
- Publication date Dec 5, 2013
- PIRELLI TYRE S.P.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
DEVICE AND METHOD FOR MANUFACTURING A CONSTITUENT MEMBER OF A TIRE
- Publication number 20130299063
- Publication date Nov 14, 2013
- Bridgestone Corporation
- Yoshikazu Iwasaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PNEUMATIC TIRE
- Publication number 20130269850
- Publication date Oct 17, 2013
- The Yokohama Rubber Co., Ltd.
- Hideki Seto
- B60 - VEHICLES IN GENERAL
Information Patent Application
PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS
- Publication number 20130220520
- Publication date Aug 29, 2013
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
TIRE HAVING MODULAR PLY CONSTRUCTION AND METHOD OF MAKING SAME
- Publication number 20130105056
- Publication date May 2, 2013
- Joseph Kevin Hubbell
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD FOR CONTROLLING THE DEPOSITION OF SEMIFINISHED ELEMENTS FOR...
- Publication number 20130103181
- Publication date Apr 25, 2013
- Michele Ballabio
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR MANUFACTURING A TYRE AND APPARATUS FOR LAYING A REINFORC...
- Publication number 20120298305
- Publication date Nov 29, 2012
- PIRELLI TYRE S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS AND APPARATUS FOR BUILDING TYRES FOR VEHICLE WHEELS
- Publication number 20120255667
- Publication date Oct 11, 2012
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS FOR BUILDING TYRES FOR VEHICLE WHEELS AND TYRE FOR VEHICLE...
- Publication number 20120241065
- Publication date Sep 27, 2012
- AMT FOR MITTEL-UND HOCHSCHULEN
- Gianni Mancini
- B60 - VEHICLES IN GENERAL
Information Patent Application
DEVICE AND METHOD FOR MANUFACTURING A CONSTITUENT MEMBER OF A TIRE
- Publication number 20120152434
- Publication date Jun 21, 2012
- Bridgestone Corporation
- Yoshikazu Iwasaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS AND APPARTUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS
- Publication number 20110240208
- Publication date Oct 6, 2011
- PIRELLI TYRE S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS
- Publication number 20100300603
- Publication date Dec 2, 2010
- PIRELLI TYRE S.p.A.
- Maurizio Marchini
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

by 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

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Apparatus for building tyres for vehicle wheels

Process and apparatus for building tyres for vehicle wheels

Process and apparatus for building tyres for vehicle wheels and tyr...

Process and apparatus for manufacturing tyres for vehicle wheels

Validation tool and method for validating optical equipment

Pneumatic tire

Process and apparatus for manufacturing tyres for vehicle wheels

Process and plant for manufacturing mutually different tyres

Process and apparatus for manufacturing tyres

Apparatus for manufacturing tyres for vehicle wheels

Device for cutting and transferring a strip for the assembly of a tire

Process for building tyres and tyre obtainable by said process

Process and apparatus for manufacturing tyres for vehicle wheels

Process and apparatus for building tyres for vehicle wheels

Process and apparatus for building tyres for vehicle wheels

Process and apparatus for manufacturing tyres for vehicle wheels

Method for manufacturing a tyre and apparatus for laying a reinforc...

Process and apparatus for manufacturing tyres

Method for controlling the deposition of semifinished elements for...

Process and apparatus for manufacturing tyres for vehicle wheels

Process and apparatus for manufacturing tyres for vehicle wheels

Process and apparatus for manufacturing tyres for vehicle wheels

Process and appartus for manufacturing tyres for vehicle wheels

Method for manufacturing a tyre and apparatus for laying a reinforc...

Rotary laying arm comprising an on-board thread feed means

Tire structural member fabricating method and apparatus for carryin...

Device and method for guiding a thread

Tire manufacturing method

Pneumatic tire with belt layer including a plurality of strip piece...

Method for determining the operating parameters of a device for lay...

Patents Applicationslast 30 patents

TIRE AND METHOD OF MANUFACTURING THE SAME

TYRE FOR VEHICLE WHEELS

METHOD FOR MANUFACTURING AND TRANSFERRING A MULTI-PLY LAMINATE, APP...

PNEUMATIC TIRE AND METHOD FOR MANUFACTURING PNEUMATIC TIRE

APPARATUS FOR BUILDING TYRES FOR VEHICLE WHEELS

METHOD FOR MANUFACTURING PNEUMATIC TIRE

TIRE PLY JOINT CONFIGURATION

PROCESS FOR BUILDING TYRES AND TYRE OBTAINED THEREBY

VALIDATION TOOL AND METHOD FOR VALIDATING OPTICAL EQUIPMENT

PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS

PROCESS AND APPARATUS FOR BUILDING TYRES FOR VEHICLE WHEELS

PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS

PROCESS AND APPARATUS FOR BUILDING TYRES FOR VEHICLE WHEELS AND TYR...

DEVICE FOR CUTTING AND TRANSFERRING A STRIP FOR THE ASSEMBLY OF A TIRE

Process and Apparatus for Manufacturing Tyres for Vehicle Wheels

PROCESS AND PLANT FOR MANUFACTURING MUTUALLY DIFFERENT TYRES

PNEUMATIC TIRE PRODUCTION METHOD AND PNEUMATIC TIRE

PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS

PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS

DEVICE AND METHOD FOR MANUFACTURING A CONSTITUENT MEMBER OF A TIRE

PNEUMATIC TIRE

PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS

TIRE HAVING MODULAR PLY CONSTRUCTION AND METHOD OF MAKING SAME

METHOD FOR CONTROLLING THE DEPOSITION OF SEMIFINISHED ELEMENTS FOR...

METHOD FOR MANUFACTURING A TYRE AND APPARATUS FOR LAYING A REINFORC...

PROCESS AND APPARATUS FOR BUILDING TYRES FOR VEHICLE WHEELS

PROCESS FOR BUILDING TYRES FOR VEHICLE WHEELS AND TYRE FOR VEHICLE...

DEVICE AND METHOD FOR MANUFACTURING A CONSTITUENT MEMBER OF A TIRE

PROCESS AND APPARTUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS

PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS