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公开(公告)号：USD983125S1
公开(公告)日：2023-04-11
申请号：US29733376
申请日：2020-05-01
申请人： Pirelli Tyre S.p.A.
设计人： Mario Mariani , Sandro Gallo
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2.发明授权公开(公告)号：US11623187B2
公开(公告)日：2023-04-11
申请号：US17153470
申请日：2021-01-20
申请人： Pirelli Tyre S.p.A.
IPC分类号： B29C48/28 , B29C48/625 , B01F27/1143 , B29C48/88 , B29C48/07 , B29C48/285 , B29C48/375 , B01F35/91 , B01F35/221 , B01F35/71 , B29B11/10 , B29C48/465 , B01F35/90 , B01F101/00
摘要： The invention relates an extrusion device (100) for extruding a semi¬finished product made of elastomeric material, comprising an extrusion body (10) extending along a feeding direction (A) and a pump (20) arranged downstream of the extrusion body (10) along said feeding direction (A). The extrusion body (10) comprises a hopper (30) for loading an elastomeric material and an extrusion screw (50) extending along said feeding direction (A) and having an inlet portion (50a) arranged close to the hopper (30) and an exit portion (50b) arranged close to the pump (20). The extrusion body (10) also comprises a motorised roller (40) arranged at the inlet portion (50a) of the extrusion screw (50) and configured to receive the elastomeric material from the hopper (30) and feed it to the extrusion screw (30). The extrusion screw (50) has a length and a diameter such that the ratio between length and diameter is comprised between 4 mm and 8 mm. The invention also relates to an extrusion process carried out through the aforementioned extrusion device (100).
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3.发明授权公开(公告)号：US11571867B2
公开(公告)日：2023-02-07
申请号：US17348311
申请日：2021-06-15
申请人： PIRELLI TYRE S.P.A.
摘要： An apparatus for building and for checking a continuous elongated element during the building of a tyre for vehicle wheels. A beam of an electromagnetic radiation is projected on a section of the continuous elongated element dispensed by a dispensing head and interposed between the dispensing head and a first contact area of the continuous elongated element with a radially outer surface of a tyre being processed. An image of a radiation reflected by the section is acquired. A first parameter related to the image is detected, and the first parameter is compared with a second reference parameter.
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公开(公告)号：US20230001657A1
公开(公告)日：2023-01-05
申请号：US17781327
申请日：2020-12-18
申请人： PIRELLI TYRE S.P.A.
摘要： A process and a plant for producing tyres for vehicle wheels are described. Building of a crown structure of the tyre includes building a crossed belt structure on a substantially cylindrical first forming drum, transferring the crossed belt structure from the first forming drum to an annular holding member, positioning a second forming drum in a radially inner position with respect to the annular holding member, transferring the crossed belt structure from the annular holding member to the second forming drum by radially expanding the second forming drum until it is brought into contact with the crossed belt structure so as to toroidally shape the crossed belt structure, and depositing at least one zero degrees belt layer on the second forming drum in a radially outer position with respect to the toroidally-shaped crossed belt structure.
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公开(公告)号：US20220410627A1
公开(公告)日：2022-12-29
申请号：US17755334
申请日：2020-11-03
申请人： Pirelli Tyre S.p.A.
摘要： A motorcycle tyre (1) is described comprising an equatorial plane (X-X) and a tread band (8) comprising a radially inner portion (13) and a radially outer portion (11) respectively comprising a first and a second vulcanized elastomeric material obtained by vulcanizing respective elastomeric materials comprising 100 phr of at least one elastomeric diene polymer, from 30 to 130 phr of at least one reinforcing filler comprising an amount greater than 75% or, respectively, equal to or greater than 80% of a white filler. In the tyre (1) the ratio R1 between the dynamic elastic modulus (E′) and the tandelta measured at a frequency of 10 Hz and at 70° C. of the first vulcanized elastomeric material is comprised between 27 and 35, whereas the ratio R2 between the dynamic elastic modulus (E′) and the tandelta measured at a frequency of 10 Hz and at 70° C. of the second vulcanized elastomeric material is comprised between 15 and 30, the ratio R1/R2 being greater than or equal to 1.1.
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公开(公告)号：US11491823B2
公开(公告)日：2022-11-08
申请号：US16767898
申请日：2018-11-22
申请人： Pirelli Tyre S.p.A.
摘要： A tire for vehicle wheels comprises a tread band (2), on which a first circumferential rib (14) is formed, on which a plurality of first notches (20) are formed, which extend as a whole over at least 80% of the width of the first circumferential rib and each of which comprises: ⋅ i. a first portion (21) which is substantially rectilinear and has a first inclination with respect to a circumferential direction, ⋅ ii. a second portion (22) which is substantially rectilinear and has a second inclination with respect to the circumferential direction having a sign opposite to said first inclination, and ⋅ iii. a connecting portion (23) that extends between said first portion and said second portion; respective pluralities of the second and the third notches (30; 40), which are blind and substantially parallel to the first (21) and the second portion (22), respectively, of said first notches (20), are further formed on the first circumferential rib (14).
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公开(公告)号：US20220339972A1
公开(公告)日：2022-10-27
申请号：US17754223
申请日：2020-09-22
申请人： Pirelli Tyre S.p.A.
摘要： Abstract: A label (1; 50) for a tyre (100) of vehicle wheels comprises: at least a first layer (4) which is made of an elastomer material which is compatible with the elastomer material of a sidewall (102) of the tyre, an external surface (2) which is intended to remain visible when the label is coupled to the sidewall, a plurality of recesses (10) which are formed at the external surface (2) and which are capable of generally defining at least one portion of information which is set out on the label (1; 50). The elastomer material of which the first layer (4) is made comprises a quantity of a halogenated isobutylene polymer greater than 5 phr.
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公开(公告)号：US20220334029A1
公开(公告)日：2022-10-20
申请号：US17811259
申请日：2022-07-07
申请人： PIRELLI TYRE S.P.A.
摘要： A method for checking tyres, includes: arranging a tyre in a station for checking tyres; moving a sensor within the tyre; performing first checks on an inner surface of the tyre with the at least one sensor; engaging a radially outer portion of the tyre with grip elements of an overturning device; extracting the sensor from the tyre and spacing the sensor from the tyre; overturning the tyre by 180° by rotation of the grip elements; moving again the sensor within the tyre; performing second checks on the inner surface of the tyre with the sensor; extracting again the sensor from the tyre and spacing the sensor from the tyre; and transporting the tyre outside the station for checking tyres.
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公开(公告)号：US11413910B2
公开(公告)日：2022-08-16
申请号：US16086229
申请日：2017-03-29
申请人： Pirelli Tyre S.p.A.
发明人： Gianni Mancini , Cristiano Puppi
摘要： The present invention relates to a method and an apparatus for applying noise reducing elements to tyres for vehicle wheels. Noise reducing elements (12), all equal to each other, are fed in succession on a conveyor (20) according to a predetermined path and are oriented on the predetermined path all in the same way. Tyres (2) of different sizes (C, P) are fed in succession on a conveyor (20) up to an application station (34). In the application station (34), the noise reducing elements (12) are picked up from the conveyor (20) and applied to radially inner surfaces of the tyres (2). The application comprises: arranging the noise reducing elements (12) with the larger dimension (L) directed in a circumferential direction or arranging the noise reducing elements (12) with the larger dimension (L) directed in an axial direction as a function of the sizes (C, P) of the tyre (2) in which they are applied.
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10.发明授权公开(公告)号：US11383554B2
公开(公告)日：2022-07-12
申请号：US16343669
申请日：2017-10-20
申请人： PIRELLI TYRE S.P.A.
发明人： Luca Giannini , Luciano Tadiello , Thomas Hanel , Elkid Cobani , Barbara Di Credico , Massimiliano D'Arienzo , Roberto Scotti , Franca Morazzoni , Jorge Jose Perez Cacho , Daniel Javier Julve Sebastian
摘要： The present invention relates to new vulcanisable elastomeric compositions for components of tyres, comprising modified silicate fibres as fillers. The silicate fibres are modified according to the process with controlled pH of the invention. In addition, the invention regards components of tyres, comprising elastomeric materials obtainable by vulcanisation of said compositions, and tyres for vehicles comprising one or more of said components. The vulcanised elastomeric materials according to the invention are characterised by good static and dynamic mechanical properties, in particular by particularly low hysteresis. Advantageously the tyres of the invention comprising one or more of said components have a limited rolling resistance.
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