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公开(公告)号：WO2017212399A1
公开(公告)日：2017-12-14
申请号：PCT/IB2017/053323
申请日：2017-06-06
Applicant: PIRELLI TYRE S.P.A.
Inventor： SPEZIARI, Diego , BELLO, Vito , MONTESELLO, Stefano
Abstract: Tyre (1) comprising a tread band (2), on which a plurality of blocks (8a) are defined, in which blocks at least one three-dimensional sipe (10) extending in a direction that is incident to an advance direction (F) of the tyre is made; the three-dimensional sipe (10) separates the block (8a) into a first block portion (11) comprising a first surface (13) facing in the advance direction (F), and into a second block portion (12) comprising a second surface (14) facing in the direction counter to the advance direction (F); a plurality of male/female couplings are provided between the first and the second block portion (11, 12), and all of these couplings are formed by a plurality of protuberances (15) formed on the first surface (13) and extending towards the second block portion (12), and by a plurality of recesses (16) formed on the second surface (14) and extending away from the first block portion (11); the protuberances (15) provided on the first surface (13) have an apex (20) that is spaced apart from the tread surface (3) by no more than 40 % of the depth of the three-dimensional sipe (10), measured at the apex (20)
Abstract translation: 包括胎面带（2）的轮胎（1），在所述胎面带上限定有多个块体（8a），在所述胎体带体（2）中限定出至少一个三维刀槽花纹（10），所述至少一个三维刀槽花纹 入射到轮胎的前进方向（F）; 三维刀槽花纹10将块8a分成包括面向前进方向F的第一表面13的第一块部11和包括第二块12的第二块部12， 表面（14）面向与前进方向（F）相反的方向; 在第一和第二块状部分（11,12）之间设置有多个公接头/母接头，并且所有这些接头由形成在第一表面（13）上的多个突起（15）形成，并朝向 第二块部分（12）以及形成在第二表面（14）上并远离第一块部分（11）延伸的多个凹槽（16）; 设置在所述第一表面（13）上的所述突起（15）具有与所述胎面表面（3）间隔开不超过所述三维刀槽花纹（10）的深度的40％的顶点（20），所述顶点 在顶点（20）
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公开(公告)号：WO2019048991A1
公开(公告)日：2019-03-14
申请号：PCT/IB2018/056596
申请日：2018-08-29
Applicant: PIRELLI TYRE S.P.A.
Inventor： BELLO, Vito , RAVIZZA, Carlo , SPEZIARI, Diego
CPC classification number: B60C11/0304 , B60C11/042 , B60C11/13
Abstract: A tyre (1) for vehicle wheels comprising a tread band (2) upon which there is at least a first groove (10; 11) extending in a longitudinal direction and a first plurality of restricting elements (20; 30) provided inside said first groove for restricting the cross section of said first groove. Each restricting element has a substantially quadrilateral shape in which there is identified a first pair of opposite sides (21; 31) which extend in a first direction (A; B) that is inclined with respect to said longitudinal direction by an angle of between 30° and 80°.
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Patent Agency Ranking
公开(公告)号：WO2019030665A1
公开(公告)日：2019-02-14
申请号：PCT/IB2018/055934
申请日：2018-08-07
Applicant: PIRELLI TYRE S.P.A.
Inventor： BELLO, Vito , MONTESELLO, Stefano , SPEZIARI, Diego
Abstract: A tyre for vehicle wheels comprising a tread band (2), upon which there are defined a plurality of first transverse grooves (30) and a plurality of second transverse grooves (60) slanted in a discordant manner with respect to the first transverse grooves (30). Each first transverse groove (30) comprises a first portion (33) slanted relative to said circumferential direction by a first angle (A), and a second portion (34) extending into first portion (33) is slanted relative to said circumferential direction by a second angle (B) smaller than the first angle (A). Each second transverse groove (60) comprises a first portion (62) slanted relative to the circumferential direction by a third angle (C), a second portion (63) extending from the first portion (62) and slanted relative to the circumferential direction by a fourth angle (D) smaller or equal to a third angle (C) and ending in said second portion (34) of said first transverse grooves (30), as well as a third portion (64) extending from the second portion (34) and parallel to the latter. There are identified a first group of second transverse grooves (60), comprising at most 20% of the second transverse grooves, wherein the third portion (64) is substantially aligned with the second portion (63) and a second group, is complementary to the first group, wherein the third portion (64) is not aligned relative to the second portion (63).
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公开(公告)号：WO2018122657A1
公开(公告)日：2018-07-05
申请号：PCT/IB2017/057887
申请日：2017-12-13
Applicant: PIRELLI TYRE S.P.A.
Inventor： SPEZIARI, Diego , BOLZONI, Roberto
Abstract: Tyre (100) for all-terrain vehicles having a tread band (2) comprising: - a central annular portion (Al), located across the equatorial plane (X-X), and two shoulder annular portions (A2, A3), separated from said central annular portion (Al) by two circumferential grooves (3, 4); said central annular portion (Al) having at least one circumferential row (8) of central blocks, comprising a plurality of central blocks (20), and at least two rows (9, 10) of lateral blocks, opposed to each other relative to said at least one circumferential row (8) of central blocks, and comprising a plurality of lateral blocks (21), wherein - said central blocks (20) have a first and a second portion (20a; 20b) located opposite to each other relative to the equatorial plane (X-X); - said central blocks (20) and said lateral blocks (21) have a circumferential dimension greater than 2% of the development extension of the tread of the tyre; - said lateral blocks (21) have an elongate portion (13) and a head portion (14) located at an end of said elongate portion (13); said elongate portion (13) having a dimension SI in axial direction and said head portion (14) having a dimension S2 in axial direction, where S2>S 1; - the elongate portion (13) extends according to an extension direction forming an angle a relative to the equatorial plane comprised between 0° and 30°; - said elongate portion (13) has an axially outer lateral wall (15) facing one of said circumferential grooves (3, 4) and an axially inner lateral wall (16) facing one of said first and second portions (20a, 20b) of the central blocks (20); - said head portion (14) has a first transverse wall (17) located so as to form with said axially inner lateral wall (16) a concavity which points towards the equatorial plane (X-X) and is such that the first or the second portion (20a; 20b) of the central block (20) being subsequent in axial direction faces said concavity and is at least partially surrounded by said axially inner lateral wall (16) and by said first transverse wall (17).
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公开(公告)号：WO2017115195A1
公开(公告)日：2017-07-06
申请号：PCT/IB2016/057564
申请日：2016-12-13
Applicant: PIRELLI TYRE S.P.A.
Inventor： SPEZIARI, Diego , RAVIZZA, Carlo , COLOMBO, Gianfranco
CPC classification number: B60C11/0306 , B60C11/0304 , B60C11/033 , B60C11/1392 , B60C2011/0341 , B60C2011/0365 , B60C2011/0388
Abstract: A tyre (1) for vehicle wheels comprises a tread band (2) on which a radially external tread surface (3) and a tread pattern are defined, and in which the following are defined: - a central region (5) of the tread band, extending circumferentially about an equatorial plane (X) of the tyre over a width equal to at least 30% of an effective width (L) of the tread band; - a first and a second shoulder region (6, 7) extending, respectively, on opposite sides of the central region, in an axially outer position of the tread band, each over a width equal to at least 20% of an effective width (L) of the tread band; the tread pattern, on each of the first and second shoulder regions and the central region, comprises a respective plurality of transverse grooves (20; 30; 40; 50) comprising a bottom (23; 33; 43; 53) and a pair of lateral walls (24, 25; 34, 35; 44, 45; 54, 55) facing one another. These lateral walls extend from the bottom towards the tread surface with a first inclination relative to a radial direction, and are joined, over at least a portion of their extent, to the tread surface by respective chamfers (26, 27; 36, 37; 46, 47; 56, 57), having a second inclination relative to the radial direction which is greater than the first inclination.
Abstract translation: 用于车轮的轮胎（1）包括胎面带（2），胎面带（2）上限定径向外胎面（3）和胎面花纹，并且其中定义了以下内容： - 所述胎面带的中央区域（5）在等于所述胎面带的有效宽度（L）的至少30％的宽度上围绕所述轮胎的赤道平面（X）周向地延伸; - 分别在所述中心区域的相对侧上在所述胎面带的轴向外部位置中延伸的第一肩部区域和第二肩部区域（6,7），所述第一肩部区域和所述第二肩部区域各自的宽度等于有效宽度的至少20％ L）的胎面带; 在所述第一肩部区域和所述第二肩部区域以及所述中央区域中的每一个上的所述胎面花纹包括相应的多个横向凹槽（20; 30; 40; 50），所述横向凹槽包括底部（23; 33; 43; 53） 彼此面对的侧壁（24,25; 34,35; 44,45; 54,55）。 这些侧壁从底部朝向胎面表面以相对于径向方向的第一倾斜度延伸，并且在其至少一部分的范围内通过相应的倒角（26,27; 36,37; 36）与胎面表面接合。 具有相对于径向方向大于第一倾斜度的第二倾斜度。46，47; 56,57）
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公开(公告)号：WO2019030664A1
公开(公告)日：2019-02-14
申请号：PCT/IB2018/055933
申请日：2018-08-07
Applicant: PIRELLI TYRE S.P.A.
Inventor： BELLO, Vito , MONTESELLO, Stefano , SPEZIARI, Diego
Abstract: A tyre for vehicle wheels, comprising a tread band (2), on which there are defined a pair of axially opposite shoulder regions (7, 9), a central region (10) interposed between the shoulder regions, wherein, in each of the said shoulder regions and said central region, are provided a plurality of transverse grooves (30, 40, 50) slanted relative to a circumferential direction, a plurality of blocks (70) defined on said tread band in which a plurality of sipes (80) are formed, wherein, in said central region, all said main transverse grooves (30, 40) are slanted relative to a circumferential direction in a concordant manner to one another and all said sipes (80) are slanted in a concordant manner to one another and in a discordant manner with respect to said main transverse grooves.
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公开(公告)号：WO2018229578A1
公开(公告)日：2018-12-20
申请号：PCT/IB2018/053630
申请日：2018-05-23
Applicant: PIRELLI TYRE S.P.A.
Inventor： SPEZIARI, Diego , FIORAVANTI, Anna Paola
Abstract: A tyre (1) for vehicle wheels, comprising a tread band (2) on which a radially external tread surface (3) and a plurality of recesses (9; 9a) that delimit a plurality of blocks (10, 10a; 100; 200; 300) are defined;each block comprises a tread surface portion (11) and a first lateral wall (12) that extends, at least in part, from a bottom (13) of one of the recesses towards the tread surface portion and is connected, at least for a section thereof, to the tread surface portion (11) by a connection surface (15) having an at least partially curvilinear profile; the connection surface (15) is joined to the first lateral wall along a contact line, at which the tangent plane of the first lateral wall and the tangent plane of the connection surface form an acute angle (a) of more than 20° such that a corner is defined between the connection surface (15) and the first lateral wall (12); furthermore, the connection surface (15) is joined to the tread surface (11) along a contact line in a substantially tangential manner.
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