• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1481313 Pneumatic tyre treads MICHELIN ET CIE (COMPAGNIE GENERALE DES ETABS MICHELIN) 5 July 1973 [5 July 1973] 29779/74 Heading B7C A pneumatic tyre has a tread comprising a plurality of blocks bounded by grooves which extend to the tread edges, each block having a substantially uniform cross-section, parallel to its ground-contacting surface, throughout its radial height, and a said cross-section of a block having a central inertia ellipse which is substantially identical to those of the other blocks. The inertia ellipses are circular or substantially circular, and each of at least some of the blocks has a recess and a substantially straight groove extending from the recess to a groove bounding the block. The grooves are so arranged that liquid dispersed by the tyre when running can flow from the centre of the contact patch to the tread edges obliquely generally obliquely to the circumferential direction of the tyre. The blocks may be square, circular, triangular polygonal, cruciform or star-shape in section, and the tread may comprise blocks of different sections (Fig. 9, not shown). The tyre of Fig. 8 must be rotated in one direction only to permit adequate drainage along grooves 84, 85.
    公开号:SU824887A3
    申请号:SU742042866
    申请日:1974-07-04
    公开日:1981-04-23
    发明作者:Вердье Анри
    申请人:Мишлен Э Ко (Компани Женераль Дезэтаблиссман Мишлен) (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to pneumatic tires of vehicles, in particular to their treads.
    A tire of a pneumatic tire is known, the tread of which is made with protrusions and grooves separating them, some of which extend to the edge of the treadmill, at least some protrusions have grooves connecting the central parts of the protrusion with grooves over the shortest distance [1].
    However, in the known tire of a pneumatic tire in different guides, the protrusions have different stiffnesses 1, which leads to uneven wear of the protrusions and uneven perception of the driving force from the road. In addition, moisture from the spot of contact of the protrusion with the supporting surface is also discharged unevenly.
    All these phenomena have a negative impact on tire performance.
    The purpose of the invention is the improvement of tire performance.
    This goal is achieved in that the surfaces of the protrusions forming the treadmill are made flat, and the cross sections of the protrusions parallel to these surfaces have circular diagrams of central moments of inertia, while the width of the grooves in the central part of these sections is greater than the width of the grooves in their peripheral part, the depth the grooves and said grooves are the same, and the grooves are located at an angle to the longitudinal axis of the treadmill.
    In FIG. 1 shows a tire tread member; in FIG. 2 protector with triangular lugs; in FIG. 3 is an embodiment of a tread pattern with hexagonal lugs; in FIG. 4 is an embodiment of ri ~. cruciform tread; in FIG. 5 is an embodiment of a tread pattern of a tetrahedral shape; in FIG. 6 - option. perform star-shaped tread pattern.
    The tire of the pneumatic tire has a tread that is made
    I with protrusions 1 and grooves separating them 2. Some of these grooves 2 extend to the edge of the treadmill, at least some protrusions have grooves 3 connecting the central parts of protrusions 1 with grooves 2 over the shortest distance. The surface 4 of the protrusions 1, forming a treadmill, made flat. Cross sections of these protrusions 1 parallel to surfaces 4 have circular plots of central moments of inertia. The grooves 3 of the protrusions 1 have different widths along their length. In the central part 5 of the protrusion 1, the grooves 3 are wider than in the peripheral part of the protrusion 1. The depth I of the grooves 3 and the grooves 2 is the same, and the grooves are located at an angle to the longitudinal axis X-X of the treadmill.
    The implementation of the protrusions 1 with sections parallel to their surfaces 4, forming a treadmill, having round plots of central moments of inertia allows the same rigidity of the protrusions 1. The wear of the protrusions 1 is equal in all directions during operation, and moreover accurate vehicle tracking of the control action, i.e. to improve handling. In this way, the protrusion 1 can be made by giving its sections parallel to the surface 4, the configuration of axisymmetric figures with more than two axes of symmetry.
    The implementation of the protrusions 1 with grooves 3, which have extensions in the Central parts 5, and the location of the grooves 2 at an angle to the longitudinal axis of the treadmill XX allows to improve the removal of moisture from under the Central part of the protrusions 1 to the grooves 2 and from the contact patch of the tire with the road generally. It also allows to improve the controllability of the vehicle and the safety of its operation.
    Performing the same depth ti of the grooves 3 of the protrusions 1 and the grooves 2 ensures that all of the listed tire qualities are obtained regardless of the wear value of the protrusions 1.
    Thus, the present invention improves the wear resistance of pneumatic tires, increases the controllability of a vehicle, and ensures the stability of these qualities over the entire period of tire operation.
    权利要求:
    Claims (2)
    [1]
    This invention relates to pneumatic vehicle tires in particular to their treads. A pneumatic tire tire is known, the tread of which is made with protrusions and grooves separating them, some of which extend to the edge of the treadmill, and at least some of the protrusions have grooves connecting the central parts of the protrusions with the grooves for the shortest distance 1. However, in a known tire of a pneumatic tire, in different guide lugs have different stiffness that drives-iT to uneven wear of the lugs and uneven perception of the driving force from the road. In addition, moisture from the contact of the protrusion with the support surface is also unevenly retracted. All these phenomena have a negative effect on tire performance. The purpose of the invention is to improve tire performance. The goal is achieved by the fact that the surfaces of the protrusions forming the treadmill are flat, with the cross-sections of the projections parallel to these surfaces having circular diagrams of the central moments of inertia, while the width of the grooves in the central part of the indicated sections is greater than the width of the grooves in their the peripheral part, the depth of the grooves and the said grooves are the same, and the grooves are angled to the longitudinal axis of the treadmill. FIG. 1 shows a tire tread element; in fig. 2 tread with triangular grouser; in fig. 3 shows an embodiment of a tread pattern with hex-shaped lugs; in fig. 4 is a variant of the execution of ris. cruciform tread hole; in fig. 5 shows an embodiment of a tetrahedral tread pattern; in fig. 6 - var.ant performing a tread pattern of a star shape. The tire of the pneumatic tire has a printector, which is made with lugs 1 and grooves separating them.
    [2]
    2. Some of these grooves 2 extend to the edge of the treadmill, at least some of the protrusions have grooves 3 connecting the central parts of the projections 1 with caiah 2 to the shortest distance. The surfaces of 4 outlets 1, forming a treadmill, are made flat. The cross sections of these protrusions 1, parallel to the surfaces 4, have circular diagrams of central moments of inertia. The grooves 3 of the projections 1 have a different width along its length. In the central part 5 of the protrusion 1, the grooves 3 have a greater width than in the peripheral part of the protrusion 1. The depth li li paerv 3 and the grooves 2 are the same, and the grooves are angled to the longitudinal axis XX of the treadmill. The protrusions 1 are made with sections parallel to them surfaces 4, forming a treadmill of a tread, having round diagrams of central moments of inertia, ensure that the flexural rigidity of the projections 1 is the same in all directions. This leads to equalization of the wear of the projections 1 during operation, and moreover CB tracking vehicle control exposure, i.e., to improve manageability. In this way, the protrusion 1 can be made by giving it sections, parallel to the surface 4, configurations of axisymmetric figures with more than two axes of symmetry. Making the protrusions 1 with grooves 3, which have extensions in the central parts 5, and the arrangement of the grooves 2 at an angle to the longitudinal axis of the treadmill X-X allows to improve the removal of moisture from under the central part of the projections 1 into the grooves 2 and from the spot tire contact with the road as a whole. It also helps to improve the controllability of the vehicle and the safety of its operation. Making the same depth i of the grooves 3 of the protrusions 1 and the grooves 2 ensures that all the listed qualities of the tire are obtained, regardless of the amount of wear of the projections 1. Thus, the present invention improves the durability of the pneumatic tires, improves the controllability of the vehicle and ensures the stability of these qualities over the entire period of operation. tires. The invention The pneumatic tire tire whose tread is made with protrusions and grooves separating them, some of which go to the edge of the treadmill, and at least some of the protrusions have grooves connecting the central parts of the protrusions with the grooves for the shortest distance. and with the fact that, in order to improve the performance of the tire, the surfaces of the projections forming the treadmill are flat, with the cross-sections of the projections parallel to these surfaces having circular diagrams central GOVERNMENTAL moments of inertia, the width of grooves in the central portion of said longer slots sections width in their peripheral part, the depth of said grooves and grooves is the same, yet the groove is located at an angle to the longitudinal axis of the treadmill. Sources of information taken into account in the examination 1. US patent No. 3532147, cl. 152-209, -06.10.70,
    ///.f // W / S / / m
     I / P
    类似技术:
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    同族专利:
    公开号 | 公开日
    IE39582B1|1978-11-08|
    JPS5037104A|1975-04-07|
    FR2235811B1|1976-05-07|
    BR7405483D0|1975-04-15|
    CH593153A5|1977-11-30|
    LU70457A1|1975-03-27|
    US3998256A|1976-12-21|
    ES427842A1|1976-08-01|
    FI57902B|1980-07-31|
    AU7082674A|1976-01-08|
    NL7408715A|1975-01-07|
    FI206774A|1975-01-06|
    JPS5342921B2|1978-11-15|
    NL160762B|1979-07-16|
    NL160762C|1979-12-17|
    BE816748A|1974-12-24|
    GB1481313A|1977-07-27|
    AT335858B|1977-04-12|
    ZA744336B|1975-07-30|
    FR2235811A1|1975-01-31|
    IE39582L|1975-01-05|
    ATA553974A|1976-07-15|
    AR199845A1|1974-09-30|
    SE7408818L|1975-01-07|
    IT1014431B|1977-04-20|
    CA1004966A|1977-02-08|
    DE2432363B2|1981-01-29|
    FI57902C|1980-11-10|
    DE2432363A1|1975-01-23|
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    US4279283A|1979-12-10|1981-07-21|The Goodyear Tire & Rubber Company|High perimeter tread element|
    US4312395A|1979-12-19|1982-01-26|The Goodyear Tire & Rubber Company|Double contour block tread pattern|
    DE3005651C2|1980-02-15|1990-01-18|Continental Aktiengesellschaft, 3000 Hannover, De|
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    JPH0210721B2|1981-04-07|1990-03-09|Bridgestone Corp|
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    JPH0355322B2|1985-05-14|1991-08-23|
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    AT388899B|1986-07-07|1989-09-11|Semperit Ag|Tread profile for pneumatic vehicle tyres|
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    KR100723615B1|1999-12-01|2007-06-04|피렐리 타이어 소시에떼 퍼 아찌오니|Tyre for vehicles wheels|
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    JP6114510B2|2012-07-06|2017-04-12|住友ゴム工業株式会社|Pneumatic tire for running on rough terrain|
    JP5629293B2|2012-08-09|2014-11-19|住友ゴム工業株式会社|Pneumatic tire for running on rough terrain|
    JP5799043B2|2013-03-13|2015-10-21|株式会社ブリヂストン|Pneumatic tire|
    JP6371112B2|2014-05-16|2018-08-08|株式会社ブリヂストン|tire|
    JP2017531584A|2014-09-30|2017-10-26|コンパニー ゼネラール デ エタブリッスマン ミシュラン|Stiffeners for sipe molded parts|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR7325022A|FR2235811B1|1973-07-05|1973-07-05|
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