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    RAZOR BLADE
    1.
    发明公开
    RAZOR BLADE 审中-公开

    公开(公告)号：EP2731761A1

    公开(公告)日：2014-05-21

    申请号：EP12743815.8

    申请日：2012-07-13

    申请人： The Gillette Company

    发明人： SKROBIS, Kenneth, James ,  PARKER, Jeffrey, Stuart ,  SHEN, Bin ,  STONE, Matthew, Robert ,  NISBY, John, Joseph ,  SLATTERY, Jason, Scott ,  JU, Yongqing

    IPC分类号： B26B21/56

    摘要： A razor blade including a substrate with a coating joined to the substrate defining a coated blade. The coated blade including a cutting edge being defined by a blade tip having a tip radius of from 50 to 350 angstroms. The coated blade having a pair of first facets extending from the blade tip and a pair of second facets extending from the respective first facets, a facet angle from 90° to 135°, a facet width from 0.38 micrometers to 0.65 micrometers a wedge angle from 5° to 30°, and a thickness of between 0.8 and 1.5 micrometers measured at a distance of 1 micrometer from the blade tip.

    摘要翻译： 包括具有涂层的基底的剃刀刀片连接到基底，从而限定涂布刀片。 包括刀刃的涂覆刀片由刀刃尖端限定，刀刃尖端半径为50至350埃。 涂覆的刀片具有从刀片顶端延伸的一对第一小平面和从相应的第一小平面延伸的一对第二小平面，小面角度从90°到135°，小面宽度从0.38微米到0.65微米，楔角从 5°至30°，并且在距叶尖1微米的距离处测量的厚度为0.8至1.5微米。

    METHOD OF TREATING RAZOR BLADE CUTTING EDGES
    3.
    发明公开
    METHOD OF TREATING RAZOR BLADE CUTTING EDGES 审中-公开
    治疗剃须刀刀片的方法

    公开(公告)号：EP3164226A1

    公开(公告)日：2017-05-10

    申请号：EP15745609.6

    申请日：2015-07-01

    申请人： The Gillette Company LLC

    发明人： DUFF, Roanld, Richard, Jr. ,  NISBY, John, Joseph ,  SKROBIS, Kenneth, James ,  DEPUYDT, Joseph, Allan

    IPC分类号： B05D3/10 ,  B05D5/08 ,  B05D7/00 ,  B26B21/60

    CPC分类号： B26B21/60 ,  B05D1/02 ,  B05D3/0254 ,  B05D3/0272 ,  B05D3/105 ,  B05D3/107 ,  B05D5/083 ,  B05D7/546 ,  B05D2350/63 ,  B05D2350/65

    摘要： The present invention relates to razor blade cutting edges and methods of producing edges exhibiting improved shave performance longevity and lower cutting forces. Conventional razor blades have increasing cutting forces with use due to the outer coating wear and adhesion loss. Blade edges produced according to the novel process exhibit significantly lower cutting forces when subjected to wool felt cutting shaving simulation, which correlates to more comfortable shaves initially and over the life of the blades. The present invention treats razor blade edges having a first adherent polyfluorocarbon coating with a first solvent to partially remove the polyfluorocarbon coating, adds a second polyfluorocarbon coating, heats, and treats the blade edge with a second solvent providing a final blade edge having a thin, uniform polyfluorocarbon coating. Preferred solvents include perfluoroalkanes, perfluorocycloalkanes, and perfluoroaromatic compounds having a critical temperature or boiling point above the dissolution temperature for the polyfluorocarbon in the solvent.

    摘要翻译： 本发明涉及剃刀刀片切割边缘和生产边缘的方法，其显示改进的剃刮性能寿命和较低的切割力。 由于外涂层磨损和粘附损失，常规剃刀刀片在使用中具有增加的切削力。 根据新工艺生产的刀刃在进行羊毛毡切割剃须模拟时表现出明显较低的切削力，这与最初和在刀片寿命期间更舒适的剃刮相关。 本发明用第一溶剂处理具有第一粘附多氟烃涂层的剃刀刀刃，以部分地除去多氟烃涂层，加入第二多氟烃涂层，加热并用第二溶剂处理刀刃，从而提供具有薄的， 均匀的聚氟碳涂层。 优选的溶剂包括具有高于溶剂中多氟烃溶解温度的临界温度或沸点的全氟链烷烃，全氟环烷烃和全氟芳族化合物。