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    • 5. 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。
    • 8. 发明申请
    • PROCESS AND APPARATUS FOR BUILDING SELF-SEALING TYRES FOR VEHICLE WHEELS
    • 车轮自密封轮胎工艺及设备
    • WO2013061233A1
    • 2013-05-02
    • PCT/IB2012/055793
    • 2012-10-22
    • PIRELLI TYRE S.P.A.
    • D'ORIA, FrancescoSABBATANI, EnricoPUPPI, CristianoMANCINI, Gianni
    • B29D30/46B26D1/04B26D7/10B26D3/00B29D30/06
    • B29D30/0685B26D1/04B26D3/003B26D7/10B29D30/46B29D2030/069B29D2030/0694
    • The invention relates to a process for building self-sealing tyres for vehicle wheels, wherein a continuous sealing assembly (12) comprising a self-supporting thermoplastic film (11) and a layer of sealing polymeric material (10) associated with and supported by said self-supporting thermoplastic film (11) is cut to size and wound up around a forming drum (14). Components of a green tyre (1) are subsequently formed on the forming drum (14). The tyre is then shaped, moulded and cured. The cutting of the continuous sealing assembly (12) to size comprises: moving a cutting blade (25) heated to a temperature "T" at a speed "V" along a cutting path (C) transverse to the longitudinal extension of the continuous sealing assembly (12), in which the speed "V" and/or the temperature "T" are varied along the mentioned path (C). The invention relates also to an apparatus for building self-sealing tyres for vehicle tyres.
    • 本发明涉及一种用于建立车轮的自密封轮胎的方法,其中连续密封组件(12)包括自支撑热塑性薄膜(11)和密封聚合材料层(10),所述密封聚合材料层(10)与所述 将自支撑热塑性薄膜(11)切割成尺寸并卷绕在成形滚筒(14)周围。 随后,在成形滚筒(14)上形成生轮胎(1)的部件。 轮胎然后成形,模制和固化。 将连续密封组件(12)切割成尺寸包括:沿着与连续密封件的纵向延伸部横切的切割路径(C)移动以速度“V”加热到温度“T”的切割刀片(25) 其中速度“V”和/或温度“T”沿所述路径(C)变化的组件(12)。 本发明还涉及一种用于建造用于车辆轮胎的自密封轮胎的装置。
    • 9. 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。