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    • 11. 发明申请
    • TYRE COMPRISING A SEALING MATERIAL COMPRISING A PARTIALLY CROSS-LINKED STYRENE-BUTADIENE RUBBER
    • 包含部分交联苯乙烯 - 丁二烯橡胶的密封材料的轮胎
    • WO2009143895A1
    • 2009-12-03
    • PCT/EP2008/056671
    • 2008-05-30
    • PIRELLI TYRE S.P.A.GIANNINI, LucaNAHMIAS NANNI, MarcoMANCINI, GianniPUPPI, CristianoSOLINAS, Stefano
    • GIANNINI, LucaNAHMIAS NANNI, MarcoMANCINI, GianniPUPPI, CristianoSOLINAS, Stefano
    • B60C19/12B29C73/16B29C73/20C09K3/10
    • B29C73/163B29C73/20B29D2030/069B29D2030/0694B29L2030/00B60C5/142B60C9/14B60C19/12
    • The present invention relates to a tyre for vehicle wheels, comprising: - a carcass structure of a substantially toroidal shape, having opposite lateral edges terminating in respective bead structures, said carcass structure comprising at least one carcass ply; - a belt structure applied in a radially external position with respect to said carcass structure, said belt structure comprising at least one belt layer; - a tread band applied in a radially external position with respect to said belt structure; - a pair of sidewalls applied laterally on opposite sides with respect to said carcass structure; - a substantially air-impermeable layer applied in a radially inner position with respect to said at least one carcass ply; - a layer of sealing material applied in a radially inner position with respect to said at least one carcass ply and, preferably, in a radially outer position with respect to said air-impermeable layer; wherein said sealing material comprises: from 55 phr to 95 phr, preferably from 65 phr to 90 phr, of at least one natural or synthetic elastomer; from 5 phr to 45 phr, preferably from 10 phr to 35 phr, of at least one pre-crosslinked elastomer, preferably a styrene-butadiene elastomer; from 5 to 50 phr, preferably from 20 phr to 40 phr, of at least one tackifying agent, and from 1 to 40 phr, preferably from 5 to 30 phr, of at least one reinforcing filler.
    • 本发明涉及一种车轮用轮胎,其特征在于,包括: - 基本上为环形的胎体结构,其具有终止于相应胎圈结构的相对侧边缘,所述胎体结构包括至少一个胎体帘布层; - 相对于所述胎体结构在径向外部位置施加的带束结构,所述带束结构包括至少一个带束层; - 相对于所述带结构在径向外部位置施加的胎面带; - 相对于所述胎体结构在相对侧面横向施加的一对侧壁; - 相对于所述至少一个胎体帘布层在径向内部位置施加的基本上不透气的层; - 相对于所述至少一个胎体帘布层在径向内部位置施加的密封材料层,优选地相对于所述不透气层在径向外部位置; 其中所述密封材料包含:55phr至95phr,优选65phr至90phr的至少一种天然或合成弹性体; 5phr至45phr,优选10phr至35phr的至少一种预交联弹性体,优选苯乙烯 - 丁二烯弹性体; 5至50phr,优选20phr至40phr的至少一种增粘剂和1至40phr,优选5至30phr的至少一种增强填料。
    • 12. 发明申请
    • RUN-FLAT TIRE
    • 跑平轮胎
    • WO2009080144A1
    • 2009-07-02
    • PCT/EP2008/009278
    • 2008-11-04
    • PIRELLI TYRE S.P.A.GIANNINI, LucaNAHMIAS NANNI, MarcoDEMERGAZZI, AndreaGALIMBERTI, Maurizio
    • GIANNINI, LucaNAHMIAS NANNI, MarcoDEMERGAZZI, AndreaGALIMBERTI, Maurizio
    • B60C1/00C08K3/34C08L9/00C08L21/00B60C17/08
    • C08K3/36B60C1/0016B60C1/0025B60C11/005B60C2001/0033B60C2001/005C08K3/013C08K5/548C08L7/00C08L9/00C08L9/02C08L9/06C08L21/00C08L23/16C08L23/22C08L15/00C08L2666/06C08L2666/08
    • A run-flat tire comprising a carcass structure having opposite lateral edges associated with respective right-hand and left-hand bead structures; a tread band applied in a radially external position with respect to said carcass structure; a pair of sidewalls applied laterally on opposite sides with respect to said carcass structure; a bearing structure including for each side of the tire said bead structure cooperating in supporting the run-flat tire with at least one sidewall insert extending radially between said bead structure and the corresponding lateral edge of said tread band; a bearing structure including, for each side of the tire, said bead structure cooperating in supporting the run- flat tire with at least one sidewall insert extending radially between said bead structure and the corresponding lateral edge of said tread band, wherein said at least one sidewall insert includes a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising: (a) 100 phr of at least one elastomeric polymer; (b) from about 20 phr to about 35 phr, preferably from about 20 phr to about 25 phr of diatomite particles having a BET surface area, in the range of from about 10 m2/g to about 90 m 2 /g, preferably from about 10 to about 40 m 2 /g, more preferably from about 30 to about 40 m 2 /g; (c) from about 10 phr to about 35 phr, preferably from about 25 phr to about 35 phr of at least one further reinforcing filler.
    • 一种漏气保用轮胎,包括具有与相应的右侧和左侧胎圈结构相关联的相对侧边缘的胎体结构; 相对于所述胎体结构在径向外部位置施加的胎面带; 相对于所述胎体结构在相对侧上横向施加的一对侧壁; 一种轴承结构,其包括轮胎的每一侧,所述胎圈结构协作地支撑所述防漏轮胎与在所述胎圈结构和所述胎面带的相应侧边缘之间径向延伸的至少一个侧壁插入件; 一种轴承结构,其包括对于轮胎的每一侧,所述胎圈结构协同作用以将所述挡平轮胎与在所述胎圈结构和所述胎面带的相应侧边缘之间径向延伸的至少一个侧壁插入件配合,其中所述至少一个 侧壁插入物包括通过交联可交联弹性体组合物获得的交联弹性体材料,其包含:(a)100phr的至少一种弹性体聚合物; (b)约20phr至约35phr,优选约20phr至约25phr的具有BET表面积的硅藻土颗粒的范围为约10m 2 / g至约90m 2 / g,优选为约 10至约40m 2 / g,更优选约30至约40m 2 / g; (c)约10phr至约35phr,优选约25phr至约35phr的至少一种其它增强填料。
    • 14. 发明申请
    • PROCESS FOR BUILDING A GREEN TYRE FOR VEHICLE WHEELS AND TYRE BUILT BY SAID PROCESS
    • 车辆轮胎绿色轮胎制造过程及轮胎制造工艺流程
    • WO2010018603A1
    • 2010-02-18
    • PCT/IT2008/000547
    • 2008-08-11
    • PIRELLI TYRE S.p.A.MISANI, PierangeloNAHMIAS NANNI, Marco
    • MISANI, PierangeloNAHMIAS NANNI, Marco
    • B29D30/30B60C1/00B60C9/18
    • B29D30/3028B60C5/142B60C9/12Y10T152/1081
    • There is described a process for building a green tyre (1) for vehicle wheels comprising the steps of: a) building a carcass structure (Ia) of a green tyre on a forming drum, said carcass structure (Ia) comprising at least one carcass ply (3) and a pair of annular anchoring structures (5), said at least one carcass ply (3) being built by laying circumferentially contiguous strip-like elements; b) toroidally shaping said carcass structure (Ia) for associating it to a crown structure comprising at least one belt structure (7); wherein the step a) of building comprises at least one step al) of applying a constraining layer (12) of a green elastomeric material reinforced with fibres oriented substantially perpendicular to the axis of rotation of said forming drum, said green elastomeric material reinforced with oriented fibres exhibiting at 20% of elongation in a direction parallel to the direction of orientation of the above fibres, a strain level higher than or equal to 0.20 MPa measured according to ISO 9026 and ISO 37 standards by a specimen classified as 'type 2' in said ISO 37 standard. A green tyre (1) is further illustrated, obtained by such process.
    • 描述了一种用于建立车轮用轮胎(1)的方法,包括以下步骤:a)在成形滚筒上建造生轮胎的胎体结构(1a),所述胎体结构(1a)包括至少一个胎体 (3)和一对环形锚固结构(5),所述至少一个胎体帘布层(3)通过铺设周向连续的带状元件而构成; b)环形地成型所述胎体结构(1a)以将其与包括至少一个带束结构(7)的冠部结构相关联; 其中建筑物的步骤a)包括施加由基本上垂直于所述成形滚筒的旋转轴线定向的纤维增强的绿色弹性体材料的约束层(12)的至少一个步骤,所述绿色弹性体材料用定向 在与上述纤维的取向方向平行的方向上呈现伸长率为20%的纤维,根据ISO 9026和ISO 37标准,通过分类为“2型”的样品测量的应变水平高于或等于0.20MPa 说ISO 37标准。 进一步示出了通过这种方法获得的生胎(1)。
    • 15. 发明申请
    • SELF-SEALING TYRE COMPRISING A SEALING MATERIAL
    • 自密封轮胎,包括密封材料
    • WO2009006915A1
    • 2009-01-15
    • PCT/EP2007/006015
    • 2007-07-06
    • PIRELLI TYRE S.P.A.RESMINI, EmilianoNAHMIAS NANNI, MarcoPUPPI, CristianoSOLINAS, Stefano
    • RESMINI, EmilianoNAHMIAS NANNI, MarcoPUPPI, CristianoSOLINAS, Stefano
    • B29C73/22C09K3/12B29D30/00
    • B29C73/22B29D30/0685B29D2030/0694B29L2030/00
    • The present invention relates to a tyre for vehicle wheels (100), comprising: a carcass structure having opposite lateral edges terminating in respective bead structures (103), said carcass structure comprising at least one carcass ply (101); a belt structure (106) applied in a radially external position with respect to said carcass structure; a tread band (109) applied in a radially external position with respect to said belt structure (106); a pair of sidewalls (108) applied laterally on opposite sides with respect to said carcass structure; at least one layer of sealing material (107) applied in a radially inner position with respect to said at least one carcass ply (101); wherein said sealing material comprises: from 20 phr to 99 phr, preferably from 50 phr to 90 phr, of at least one butyl elastomer; from 1 phr to 80 phr, preferably from 10 phr to 50 phr, of at least one block copolymer elastomer; from 10 phr to 70 phr, preferably from 20 phr to 40 phr, of at least one tackifying agent.
    • 本发明涉及一种用于车轮(100)的轮胎,包括:胎体结构,其具有终止于相应胎圈结构(103)的相对侧边缘,所述胎体结构包括至少一个胎体帘布层(101); 相对于所述胎体结构在径向外部位置施加的带束结构(106); 相对于所述带结构(106)在径向外部位置施加的胎面带(109); 相对于所述胎体结构在相对侧横向施加的一对侧壁(108); 相对于所述至少一个胎体帘布层(101)在径向内部位置施加的至少一层密封材料(107); 其中所述密封材料包含:20phr至99phr,优选50phr至90phr的至少一种丁基弹性体; 1phr至80phr,优选10phr至50phr的至少一种嵌段共聚物弹性体; 10phr至70phr,优选20phr至40phr的至少一种增粘剂。