IMPROVEMENT OF THE UNIFORMITY OF A TIRE USING ESTIMATION OF TRANSIENT EFFECTS
    1.
    发明公开
    IMPROVEMENT OF THE UNIFORMITY OF A TIRE USING ESTIMATION OF TRANSIENT EFFECTS 审中-公开
    VERBESSERUNG DERGLEICHFÖRMIGKEITEINES REIFENS MITSCHÄTZUNGVON VORBERBERHENDEN EFFEKTEN

    公开(公告)号:EP3065942A4

    公开(公告)日:2017-06-07

    申请号:EP13897251

    申请日:2013-11-08

    IPC分类号: B29D30/06

    摘要: Systems and methods for improving tire uniformity through identification of transient effects contributing to the non-uniformity of a tire are provided. More particularly, uniformity measurements can be obtained for a set of a plurality of tires. The uniformity measurements can include contributions from tire harmonic uniformity effects (e.g. effects attributable to tooling elements used during tire manufacture) as well as process harmonic uniformity effects (e.g. effects attributable to process elements used during tire manufacture). Certain of the tire harmonic uniformity effects can be transient effects that change from tire to tire. For instance, the effect attributable to a curing membrane used during the curing process can transiently change from tire to tire. Aspects of the present disclosure are directed to identifying transient effect contributions to uniformity measurements and improving the uniformity of the tire using the identified transient effect contributions.

    摘要翻译: 提供了通过识别有助于轮胎不均匀性的瞬态效应来提高轮胎均匀性的系统和方法。 更特别地,可以为一组多个轮胎获得均匀性测量。 均匀性测量可以包括来自轮胎谐波均匀性效应(例如可归因于在轮胎制造期间使用的加工元件的效应)以及加工谐波均匀性效应(例如可归因于在轮胎制造期间使用的处理元件的效应)的贡献。 某些轮胎谐波均匀性效应可能是从轮胎到轮胎的瞬变效应。 例如,由固化过程中使用的固化膜引起的效果可以从轮胎到轮胎短暂地变化。 本公开的各方面旨在识别对均匀性测量的瞬态效应贡献并使用所识别的瞬时效应贡献来改进轮胎的均匀性。

    AUTOMATIC ENVELOPE LEAK DETECTION DURING TIRE CURING
    8.
    发明公开
    AUTOMATIC ENVELOPE LEAK DETECTION DURING TIRE CURING 有权
    轮胎在自动CASE检漏

    公开(公告)号:EP2582513A1

    公开(公告)日:2013-04-24

    申请号:EP10853342.3

    申请日:2010-06-15

    IPC分类号: B29D30/52

    摘要: The present invention includes methods and apparatus for curing retread tires, which includes detecting and controlling a leak in a tire-membrane assembly during such curing operations. The steps of the method include placing a plurality of tire-membrane assemblies within a tire curing chamber; connecting a membrane fluid passage to each curing membrane of each tire-membrane assembly where each passage extends in fluid communication between one of the curing membranes and a pressure source and/or a vacuum source, each membrane fluid passage including a transducer for measuring pressure within the passage and a flow restrictor, in particular embodiments; initiating a curing process; receiving a one or more signal responses from each transducer generated as a function of the fluid pressure within the membrane fluid passages; and determining through a controller whether the signal responses received in the prior step indicate an undesired change in pressure in each curing membrane.

    CURE TIME ADJUSTMENT FOR A RUBBER ARTICLE
    9.
    发明授权
    CURE TIME ADJUSTMENT FOR A RUBBER ARTICLE 有权
    橡胶制品的固化时间调整

    公开(公告)号:EP2205416B1

    公开(公告)日:2012-05-02

    申请号:EP07843311.7

    申请日:2007-09-27

    IPC分类号: B29C39/00 B29C35/02 B29D30/06

    摘要: A method for curing a rubber article including maintaining a measured curing temperature between a high temperature limit (TH) and a low temperature limit (TL). The TH TL are derived from high and low temperature curing curves respectively. Other steps may include obtaining a curing target Al or A2, wherein Al and A2 are areas between the high temperature curing curve and a base temperature (TB) and the low temperature curing curve respectively wherein TB is selected to make Al and A2 within at least 10 % of each other and determining an area under a measured curing curve, the area under the measured curing curve being between the measured curing curve and the TB, wherein the measured curing curve is defined as a plot of the measured curing temperature over time.

    摘要翻译: 一种用于固化橡胶制品的方法,包括将测量的固化温度维持在高温极限(TH)和低温极限(TL)之间。 TH TL分别来自高温和低温固化曲线。 其他步骤可以包括获得固化目标A1或A2,其中A1和A2分别是高温固化曲线与基础温度(TB)和低温固化曲线之间的区域,其中TB被选择为使Al和A2至少在 10%,并在测得的固化曲线下测定面积,测得的固化曲线下面积在测得的固化曲线和TB之间,其中测得的固化曲线定义为测得的固化温度随时间变化的曲线。

    METHOD OF CONTROLLING TREAD SHRINKAGE DURING CURING
    10.
    发明公开
    METHOD OF CONTROLLING TREAD SHRINKAGE DURING CURING 有权
    在固化过程中控制程序TREAD EXPANDED

    公开(公告)号:EP2337674A1

    公开(公告)日:2011-06-29

    申请号:EP09810543.0

    申请日:2009-08-26

    IPC分类号: B29D30/52 B29D30/56

    CPC分类号: B29D30/542 B29D2030/0675

    摘要: In particular embodiments, a method of forming a retreaded tire includes the steps of: applying a tread to a tread-engaging portion of a tire carcass, the tread having an initial width and a layer of cushion gum interposed between the tread and tire carcass; placing a curing membrane about the tread to form a tire curing assembly having a compartment between the membrane and tread; placing the tire curing assembly in a vessel chamber; pressurizing the chamber to a predetermined pressure; heating the chamber to a predetermined temperature; pressurizing the compartment to a pressure greater than 14.7 psia and less than the chamber pressure to provide a pressure differential, the step initializing after the step of pressurizing the chamber initializes and whereby a final tread width is provided that is equal to 98.0% or more of the initial tread width when the initial tread width is approximately 290-500 mm.