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1. 发明授权

US12138963B2 Winter tyre 有权
公开(公告)号：US12138963B2
公开(公告)日：2024-11-12
申请号：US16304234
申请日：2017-06-06
申请人： PIRELLI TYRE S.P.A.
发明人： Diego Speziari , Vito Bello , Stefano Montesello
IPC分类号： B60C11/12 , B60C11/03
CPC分类号： B60C11/1218 , B60C11/0302 , B60C11/1236 , B60C2011/1213
摘要： A tyre with a tread band having a plurality of blocks. The blocks include three-dimensional sipes extending in a direction incident to an advance direction of the tyre. Each sipe separates a block into a first block portion having a first surface facing the advance direction, and into a second block portion having a second surface facing the direction counter to the advance direction. Male/female couplings are provided between the first and the second block portions, the couplings formed by protuberances on the first surface and extending towards the second block portion, and by recesses on the second surface and extending away from the first block portion. The protuberances formed on the first surface have an apex that is spaced apart from the tread surface by no more than 40% of the depth of the three-dimensional sipe, measured at the apex.

2. 发明公开

US20240359506A1 TYRE FOR COMMERCIAL VEHICLE WHEELS 审中-公开
公开(公告)号：US20240359506A1
公开(公告)日：2024-10-31
申请号：US18566432
申请日：2022-05-30
申请人： Pirelli Tyre S.p.A.
发明人： Stefano MONTESELLO , Carlo Raffaele Elvio RAVIZZA , Diego Ettore SPEZIARI
IPC分类号： B60C11/03 , B60C11/12 , B60C11/13
CPC分类号： B60C11/0302 , B60C11/1236 , B60C11/1392 , B60C2011/0344 , B60C2011/0346 , B60C2011/0374
摘要： Tyre (1) particularly suitable for applications for commercial vehicles, comprising a tread band (2) which has a plurality of blocks (7, 8) facing each other in pairs and delimited in a circumferential and/or axial direction by a first plurality of main grooves (10, 20) which extend continuously up to the opposite shoulder regions (4, 5) starting from the central region (6), where they are connected to each other and by a second plurality of main grooves (30, 40), also extending from the central region (6) towards the shoulder regions (4, 5), connected to the first main grooves (10, 20) by means of a portion (30b, 40b) preferably tapered in width until it becomes a thin connecting sipe (30c, 40c).

3. 发明授权

US12123153B2 Method and system for estimating an unevenness parameter of a road segment 有权
公开(公告)号：US12123153B2
公开(公告)日：2024-10-22
申请号：US17755661
申请日：2020-10-23
申请人： Pirelli Tyre S.p.A.
发明人： Gabriele Montorio , Massimiliano Sallusti , Marco Rocca
IPC分类号： B60W40/06 , E01C23/01
CPC分类号： E01C23/01 , B60W40/06 , B60W2552/35
摘要： A method and system for estimating an unevenness parameter of a road segment having a length (L) are disclosed; the method and system take into account road unevenness induced vehicle body motions and are based on the estimation of the deformation, over multiple tire rotations, of at least two tires fitted to different axles of a vehicle.

4. 发明公开

US20240293986A1 INSERT FOR A MOULD FOR VULCANISING TYRES FOR VEHICLE WHEELS, PROCESS FOR PRODUCING SAID INSERT AND PROCESS FOR VULCANISING TYRES 审中-公开
公开(公告)号：US20240293986A1
公开(公告)日：2024-09-05
申请号：US18629554
申请日：2024-04-08
申请人： Pirelli Tyre S.p.A.
发明人： Angelo MAZZUCATO , Alfredo BALINI
IPC分类号： B29D30/72 , B29D30/06 , B60C13/00
CPC分类号： B29D30/72 , B29D30/0606 , B60C13/001 , B29D2030/0612 , B29D2030/0616 , B29D2030/726
摘要： An insert for a mould for vulcanising tyres for vehicle wheels, the insert arranged to receive in a seat formed on a moulding surface of the mould and comprising a base surface from which a plurality of projections extends; wherein, each projection comprises a lateral surface extending away from the base surface such that the lateral surface defines a tapered profile of the projection away from the base surface, is inclined at an angle between 10° and 25° with respect to a direction perpendicular to the base surface, and has a roughness between 4 and 11 μm.

5. 发明授权

US12070974B2 Method for controlling the footprint area of a tyre and tyre for vehicle wheels 有权
公开(公告)号：US12070974B2
公开(公告)日：2024-08-27
申请号：US17822256
申请日：2022-08-25
申请人： PIRELLI TYRE S.P.A.
发明人： Piero Losi
IPC分类号： B29D30/08 , B29D30/06 , B60C3/06 , B60C11/03 , B60C13/00 , B60C19/00
CPC分类号： B60C3/06 , B29D30/0601 , B29D30/08 , B60C11/0332 , B60C13/00 , B60C19/001 , Y10T29/49494
摘要： Method for controlling the symmetry of the footprint area of a tyre miming on a straight trajectory with camber angle different from zero, wherein the method comprises the steps: —reducing the contact pressure of the tyre (2) on the footprint area at an inner shoulder (in case of negative camber) or at an outer shoulder (in case of positive camber); —disposing any medium line (Im) of the tread band (9) placed in correspondence with the footprint area substantially parallel to the ground; the invention also defines a tyre and a wheel for motor-vehicles, wherein the medium line (Im) of the tread hand (9) and the rotation axis (X-X) of the tyre (2) form an angle (a) substantially equal in absolute value to the camber angle (β); the invention also encompasses a process for manufacturing such tyres, wherein a green tyre with symmetric outer profile is deformed during the vulcanising and moulding step until a predetermined angle (a) different from zero is formed between any medium line (Im) of the tread band (9) and the rotation axis (X-X) of the vulcanised tyre (2).

6. 发明授权

US12031035B2 Tyre for vehicle wheels 有权
公开(公告)号：US12031035B2
公开(公告)日：2024-07-09
申请号：US17455165
申请日：2021-11-16
申请人： PIRELLI TYRE S.p.A. , POLITECNICO DI MILANO
发明人： Carlo Vittorio Mazzocchia , Matteo Antonio Daghetta , Lorenzo Pellegrino , Attillio Citterio , Enrico Albizzati , Luca Giannini , Thomas Hanel
IPC分类号： C01B32/162 , B01J23/745 , B01J37/02 , B01J37/03 , B01J37/04 , B01J37/08 , B60C1/00 , C08L9/00
CPC分类号： C08L9/00 , B01J23/745 , B01J37/0236 , B01J37/036 , B01J37/04 , B01J37/08 , B60C1/0016 , B60C1/0025 , C01B32/162 , C08L2205/025 , C08L2312/00
摘要： The present invention relates to a tyre for vehicle wheels comprising at least one structural element comprising a cross-linked elastomeric material obtained by cross-linking a cross-linkable elastomeric composition comprising carbon nanotubes, wherein said carbon nanotubes are obtained with an iron oxides and/or aluminium oxides based catalyst substantially free of Co, Ni and Mo.

7. 发明公开

US20240198730A1 HIGH-PERFORMANCE TYRE 审中-公开
公开(公告)号：US20240198730A1
公开(公告)日：2024-06-20
申请号：US18552387
申请日：2022-03-24
申请人： Pirelli Tyre S.p.A.
发明人： Roberto BOLZONI , Diego Ettore SPEZIARI
IPC分类号： B60C11/03
CPC分类号： B60C11/0304 , B60C11/0302 , B60C2011/0348 , B60C2011/0353 , B60C2011/036 , B60C2011/0365 , B60C2011/0372 , B60C2011/0383 , B60C2011/0388 , B60C2200/04
摘要： A car tyre (100), in particular a high or ultra high performance car tyre also suitable for use on track, is described; the tread band (1) of the tyre has a central region (L1), separated from two shoulder regions (L2, L3), respectively an outer shoulder region (L2) and inner shoulder region (L3); the outer shoulder region (L2) has a width greater than the width of the inner shoulder region (L3); the outer and inner shoulder regions are provided with relatively large grooves (5,6); in the outer shoulder region these grooves (5) alternate with narrower grooves (7), which reduce the stiffness of this tyre region only to a limited extend; the central region (L1) of the tyre, instead, was designed so as to have a low void-to-rubber ratio of equal to or smaller than 0.09.

8. 发明授权

US11993100B2 Motorcycles tyre 有权
公开(公告)号：US11993100B2
公开(公告)日：2024-05-28
申请号：US17295027
申请日：2019-11-29
申请人： Pirelli Tyre S.p.A.
发明人： Mario Mariani , Luca Bruschelli , Giuliano Bonaccorsi , Matteo Torchiana
IPC分类号： B60C11/03
CPC分类号： B60C11/0302 , B60C11/032 , B60C11/0332 , B60C2011/0341 , B60C2011/0388 , B60C2200/10
摘要： A motorcycle tyre has a tread band (8) comprising a plurality of grooves that form a tread pattern including a module (T) replicated along a circumferential direction of the tyre (1) and having a predetermined circumferential length (C1). The module (T) comprises a pair of circumferential grooves (20) arranged on opposite sides with respect to the equatorial plane (X-X) of the tyre (1). Such circumferential grooves (20) extend along the circumferential direction of the tyre (1) for only part of said predetermined circumferential length (C1) and define between them a central portion (A) of tread band (8) having a void to solid ratio substantially equal to zero and a predetermined axial width (A1). The module (T) further comprises a plurality of transversal grooves (30, 31, 32, 33) arranged on opposite sides with respect to the equatorial plane (X-X) at a distance from said equatorial plane (X-X) greater than that of said circumferential grooves (20) and a pair of first lateral annular portions (B) axially arranged between said circumferential grooves (20) and said plurality of pairs of transversal grooves (30, 31, 32, 33), each of said first lateral annular portions (B) comprising, in a position axially adjacent to the respective circumferential groove (20), a respective part (B1) of tread band having a circumferential length at least equal to that of said circumferential grooves (20) and a void to solid ratio substantially equal to zero. The tyre (1) has a curvature ratio lower than about 0.32.

9. 发明授权

US11931980B2 Process and apparatus for building tyres 有权
公开(公告)号：US11931980B2
公开(公告)日：2024-03-19
申请号：US17069396
申请日：2020-10-13
申请人： Pirelli Tyre S.p.A.
发明人： Stefano Sangiovanni , Ivan Gildo Boscaino
IPC分类号： B29D30/16 , B29D30/30 , B29D30/44 , B29D30/60
CPC分类号： B29D30/16 , B29D30/1628 , B29D30/30 , B29D30/3028 , B29D30/60 , B29D2030/4437 , B29D2030/4456
摘要： A continuous elongated element of elastomeric material is produced through an extruder at a linear delivery speed and directly fed onto a moving surface of a conveyor without interposition of other devices. The continuous elongated element is advanced on the moving surface along a predetermined direction and at a linear advancing speed different from the linear delivery speed until a proximal end of the conveyor. Subsequently, the continuous elongated element is applied onto a forming support which rotates relative to the proximal end of the conveyor at a peripheral speed different from the linear delivery speed, so as to deform the continuous elongated element and apply it in the form of wound coils onto the forming support in order to form a component of elastomeric material of a tyre.

10. 发明公开

US20240051351A1 A SELF-SUPPORTING TYRE FOR AUTOMOTIVE WHEELS 审中-公开
公开(公告)号：US20240051351A1
公开(公告)日：2024-02-15
申请号：US18258002
申请日：2021-12-22
申请人： Pirelli Tyre S.p.A.
发明人： Davide MIAZZO , Emiliano RESMINI , Luca CAMOSI , Luca GIANNINI , Dario SCALTRITTI
IPC分类号： B60C17/00
CPC分类号： B60C17/0009 , B60C2017/0063 , B60C2001/0033
摘要： The present invention relates to a self-supporting tyre (100) for motor vehicles which comprises sidewall reinforcing inserts (113A, 113B) with different stiffness. In particular, the sidewall reinforcing insert on the side of the tyre most stressed during driving is less rigid than the sidewall reinforcing insert on the less stressed side. The tyre of the invention exhibits a reduced rolling resistance and better comfort in normal driving and an unexpected increase in mileage in run-flat driving.

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