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公开(公告)号：US12090721B2
公开(公告)日：2024-09-17
申请号：US16956909
申请日：2018-12-13
发明人： Sabrina Rih , Richard Cornille
IPC分类号： B29D30/40 , B29D30/38 , B60C9/00 , D02G3/02 , D02G3/40 , D02G3/48 , D06M15/693 , D06M101/32 , D06M101/34
CPC分类号： B29D30/40 , B60C9/0042 , B60C9/0064 , D02G3/02 , D02G3/404 , D02G3/48 , D06M15/693 , B29D2030/383 , B60C2009/0078 , D06M2101/32 , D06M2101/34 , D10B2331/02 , D10B2331/04 , D10B2505/022
摘要： A method for manufacturing a bonded reinforcing textile filamentary element (48) comprising a core and a layer of strands is disclosed. The textile filamentary element in the natural state is assembled. A textile filamentary element in the natural state or pre-bonded textile filamentary element is obtained. The filamentary element in the natural state or pre-bonded filamentary element is coated with an external layer of at least one heat-crosslinkable adhesive composition. The filamentary element in the natural state or pre-bonded filamentary element that is coated with the external layer is thermally treated so as to crosslink the adhesive composition in order to obtain the bonded filamentary element (48). The steps of coating with and of thermally treating the external layer of the filamentary element in the natural state or pre-bonded filamentary element are carried out such that, for an elongation equal to 30% of the elongation at break of the filamentary element in the natural state, the tangent modulus of the bonded reinforcing textile filamentary element (48) is increased compared with the tangent modulus of the filamentary element in the natural state.
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公开(公告)号：US11938765B2
公开(公告)日：2024-03-26
申请号：US17285909
申请日：2019-12-27
发明人： Min Ho Lee , Ok Hwa Jeon , Jongha Yim
CPC分类号： B60C9/005 , B60C9/0042 , D02G3/28 , D02G3/48 , B60C2009/0092 , D10B2505/022
摘要： According to the present disclosure, there is disclosed a hybrid tire cord capable of realizing high performance and weight reduction of a tire by having strong adhesion to rubber and excellent fatigue resistance as well as high tenacity and high modulus by providing a cabled yarn in which an aramid hybrid Z-twisted yarn, composed of an aramid multifilament yarn and an aramid spun yarn, and a general-purpose Z-twisted yarn are S-twisted together. There is also provided a method for manufacturing the same.
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公开(公告)号：US11932063B2
公开(公告)日：2024-03-19
申请号：US17293789
申请日：2019-11-12
发明人： Florian Vilcot , Pierre Laurent , Claire Pucci , Aneta Babacz
CPC分类号： B60C9/0042 , B60C9/005 , B60C9/04 , B60C9/20 , D02G3/045 , D02G3/38 , D02G3/48 , B60C2009/0092 , B60C2009/2077 , B60C2009/2096 , B60C2200/10 , D10B2331/021
摘要： A tire (10) for two-wheeled vehicles comprises a crown (12) comprising: a tread (20), and a hoop reinforcement (17) comprising at least one hooping ply (19) comprising one or more hoop reinforcing elements (44) comprising an assembly made up of a multifilament strand of aromatic polyamide or aromatic copolyamide (47) and of a multifilament strand of aliphatic polyamide (48). The twist factor K of the hoop reinforcing element (44) ranges from 5.5 to 6.5. The tire (10) is obtained by a method comprising a step of manufacturing the hooping ply (19), in which the bonded reinforcing elements (44) are embedded in a polymer composition in order to form the uncured hooping ply, the equivalent initial tensile modulus of the uncured hooping ply ranging from 330 to 620 cN/tex/dm.
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公开(公告)号：US20240001714A1
公开(公告)日：2024-01-04
申请号：US18254566
申请日：2021-10-25
发明人： Thomas Kramer , Nermeen Nabih , Wolfgang Reese , Michael Schunack
CPC分类号： B60C9/0042 , D02G3/48 , D02G3/02 , D02G3/28 , D01F6/62 , D01D5/084 , D01D5/088 , B60C15/0009 , D10B2331/04 , D10B2401/04 , D10B2505/022
摘要： The invention relates to a rubberized strength member for elastomeric products, especially vehicle tires, wherein the strength member includes at least one first yarn, to a process for producing the rubberized strength member and to a motor vehicle tire including at least one rubberized strength member.
According to the invention, the first yarn is a yarn of HMLS-PET comprising recycled PET.-
公开(公告)号：US11286587B2
公开(公告)日：2022-03-29
申请号：US16765972
申请日：2018-11-26
申请人： NV Bekaert SA
发明人： Yuping Wang , Tao Huang
摘要： The invention provides a steel cord for rubber reinforcement. The steel cord comprises a core strand and at least three outer strands twisted around the core strand, the core strand comprises at least one first core filament and multiple first outer filaments twisted around the first core filament, each outer strand comprises a number of second filaments, at least one of multiple first outer filaments is preformed prior to being twisted into the core strand, and at least one of second steel filaments is straight prior to being twisted to form each outer strand. The steel cord has improved performance on core filament migration.
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公开(公告)号：US11148469B2
公开(公告)日：2021-10-19
申请号：US15503741
申请日：2015-06-09
发明人： Wolfgang Reese , Reinhard Ludwig , Heiner Volk , Thomas Kramer , Marcel Neumann
摘要： The invention relates to a hybrid cord for use as a reinforcement in a belt bandage of a pneumatic vehicle tire, consisting of at least two threads with ends which are twisted together. At least one first thread is a high-modulus thread with a specified thread fineness, and another thread is a low-modulus thread, said other low-modulus thread having a lower thread fineness than the first thread. The invention is characterized in that the proportion of the high-modulus thread in the hybrid cord is 80-95 wt. %; the difference between the thread fineness of the high-modulus thread and the thread fineness of the other low-modulus thread is >800 dtex; and the elongation at break of the high-modulus thread ranges from 1%-8%, and the elongation at break of the low-modulus thread ranges from 9%-30%.
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公开(公告)号：US20210170794A1
公开(公告)日：2021-06-10
申请号：US16770637
申请日：2018-11-28
发明人： Sadettin FIDAN
摘要： High performance textile cords having residual twist in ply-yarns in cord are used as reinforcement in bias and radial pneumatic tires. The high performance textile cords have a residual ply-yarn twist multiplier, wherein the residual ply-yarn twist multiplier is greater than 1,000 and less than 4,000 and a residual twist direction of a plurality of ply-yarns in Z or S direction is in an opposite direction of a cord twist, in S or Z direction.
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公开(公告)号：US11021022B2
公开(公告)日：2021-06-01
申请号：US15101600
申请日：2014-12-04
发明人： Atsushi Tanno , Isamu Kishizoe , Yousuke Sakamoto
摘要： A pneumatic tire includes a tread portion; sidewall portions; bead portions; a carcass layer disposed extending between the pair of bead portions; a belt layer of a plurality of layers disposed on an outer circumferential side of the carcass layer in the tread portion; and a band-like noise absorbing member adhered to a region corresponding to a tire inner surface of the tread portion along the tire circumferential direction interposed by an adhesive layer. The pneumatic tire further includes a belt cover layer being disposed on an outer circumferential side of the belt layer across an entire width of the belt layer, the belt cover layer including organic fiber cords arranged in the tire circumferential direction; and a rate of change of a dynamic loaded radius when traveling at 270 km/h with respect to a dynamic loaded radius when traveling at 30 km/h being restricted to 2.0% or less.
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公开(公告)号：US10968545B2
公开(公告)日：2021-04-06
申请号：US15739781
申请日：2016-09-07
摘要： The present invention relates to a asymmetric cap ply reinforcement cord comprising yarns having yarns with two different linear density values in range of 1300-1500 dtex and 850-100 dtex in the cap ply reinforcement layer that is located between the tread and the belt package in a pneumatic radial vehicle tire comprising a tread and a belt package, and that is formed by winding spirally as strip comprising at least two cords such that it will make 0 to 5° angle with the equatorial plane on the said belt package.
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公开(公告)号：US10960709B2
公开(公告)日：2021-03-30
申请号：US16096315
申请日：2017-02-17
发明人： Eve-Anne Filiol , Fabien Mejean
摘要： A radial aircraft tire (1), defined in three main directions, circumferential (X), axial (Y) and radial (Z), comprises a crown (2) surmounted by a tread (3), two sidewalls (4), two beads (5), each sidewall (4) connecting each bead (5) to the crown (2), a carcass reinforcement (7) that is anchored in each of the beads (5) at at least one bead wire (6) and extends in the sidewalls (4) as far as the crown (2), a crown reinforcement or belt (10) that extends in the crown (2) in the circumferential direction (X) and is situated radially between the carcass reinforcement (7) and the tread (3), said carcass reinforcement (7) having at least one ply referred to as carcass ply in the form of a rubber matrix reinforced with radially oriented reinforcing elements, referred to as radial textile reinforcers, the latter being constituted entirely or partially by textile plied yarns of nylon comprising N multifilament strands twisted together to form a helix, characterized in that: N is greater than 2; the count of each strand is greater than 180 tex; the tenacity of each strand is greater than 75 cN/tex; the elongation at break of each strand is greater than 14%; the tenacity of each plied yarn is greater than 60 cN/tex; the elongation at break of each plied yarn is greater than 18%; and the helix angle of each plied yarn is greater than 20°.
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