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1. WO2011007269 - PROCESS AND APPARATUS FOR BUILDING TIRES FOR VEHICLE WHEELS

Publication Number WO/2011/007269
Publication Date 20.01.2011
International Application No. PCT/IB2010/052659
International Filing Date 15.06.2010
IPC
B29D 30/14 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
06Pneumatic tyres or parts thereof
08Building tyres
10on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
14Rolling-down or pressing-down the layers in the building process
B29D 30/28 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
06Pneumatic tyres or parts thereof
08Building tyres
20by the flat-tyre method, i.e. building on cylindrical drums
28Rolling-down or pressing-down the layers in the building process
B29D 30/60 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
06Pneumatic tyres or parts thereof
52Unvulcanised treads, e.g. on used tyres; Retreading
58Applying bands of rubber treads, i.e. applying camel backs
60by winding narrow strips
CPC
B29D 2030/3071
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
06Pneumatic tyres or parts thereof ; (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
08Building tyres
20by the flat-tyre method, i.e. building on cylindrical drums
30Applying the layers; Guiding or stretching the layers during application
3064Details, accessories and auxiliary operations not otherwise provided for
3071Venting air inclusions during the layer applications, e.g. by creating grooves, channels, passages, holes in the band-like tire component to be applied
B29D 2030/3078
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
06Pneumatic tyres or parts thereof ; (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
08Building tyres
20by the flat-tyre method, i.e. building on cylindrical drums
30Applying the layers; Guiding or stretching the layers during application
3064Details, accessories and auxiliary operations not otherwise provided for
3078the layers being applied being substantially continuous, i.e. not being cut before the application step
B29D 30/005
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
005General arrangement or lay-out of plants for the processing of tyres or parts thereof
B29D 30/14
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
06Pneumatic tyres or parts thereof ; (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
08Building tyres
10on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
14Rolling-down or pressing-down the layers in the building process
B29D 30/28
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
06Pneumatic tyres or parts thereof ; (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
08Building tyres
20by the flat-tyre method, i.e. building on cylindrical drums
28Rolling-down or pressing-down the layers in the building process
B29D 30/3028
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
30Producing pneumatic or solid tyres or parts thereof
06Pneumatic tyres or parts thereof ; (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
08Building tyres
20by the flat-tyre method, i.e. building on cylindrical drums
30Applying the layers; Guiding or stretching the layers during application
3028by feeding a continuous band and winding it helically, i.e. the band is fed while being advanced along the drum axis, to form an annular element
Applicants
  • PIRELLI TYRE S.P.A. [IT]/[IT] (AllExceptUS)
  • AMURRI, Cesare Emanuele [IT]/[IT] (UsOnly)
  • MARCHINI, Maurizio [IT]/[IT] (UsOnly)
  • MANCINI, Gianni [IT]/[IT] (UsOnly)
Inventors
  • AMURRI, Cesare Emanuele
  • MARCHINI, Maurizio
  • MANCINI, Gianni
Agents
  • BRASCA, Marco
Priority Data
61/213,84821.07.2009US
MI2009A00123813.07.2009IT
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS AND APPARATUS FOR BUILDING TIRES FOR VEHICLE WHEELS
(FR) PROCESSUS ET APPAREIL DE CONSTRUCTION DE PNEUMATIQUES POUR ROUES DE VÉHICULE
Abstract
(EN)
A process and an apparatus for building tires for vehicle wheels are disclosed. Said process comprises the step of assembling components of elastomeric material on a forming support (12, 12', 12' '), in which at least one of said components of elastomeric material is manufactured by the steps of : i) dispensing a continuous elongated element (19) of elastomeric material; ii) applying the continuous elongated element (19) in the form of coils disposed in side by side relationship or at least partly superposed, wound up on the forming support (12, 12', 12' '), so as to form said at least one component of elastomeric material of the tire (3); iii) exerting a first pressure (Pi) on a central region (38) of a portion of the continuous elongated element (19) applied onto the forming support (12, 12', 12"); iv) exerting a second pressure (P2) on side regions (39) of said portion of the continuous elongated element (19) applied onto the forming support (12, 12', 12' ' ).
(FR)
La présente invention se rapporte à un processus et à un appareil de construction de pneumatiques pour roues de véhicule. Ledit processus comprend l'étape consistant à assembler des composants de matériau élastomère sur un support de formation (12, 12', 12''), au moins un desdits composants de matériau élastomère étant fabriqué par les étapes consistant à : i) distribuer un élément allongé continu (19) de matériau élastomère ; ii) appliquer l'élément allongé continu (19) sous la forme d'enroulements disposés côte à côte ou au moins partiellement superposés, enroulés sur le support de formation (12, 12', 12''), de manière à former ledit ou lesdits composants de matériau élastomère du pneumatique (3) ; iii) exercer une première pression (Pi) sur une région centrale (38) d'une partie de l'élément allongé continu (19) appliquée sur le support de formation (12, 12', 12") ; iv) exercer une seconde pression (P2) sur des régions latérales (39) de ladite partie de l'élément allongé continu (19) appliquée sur le support de formation (12, 12', 12'' ).
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