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1. 发明申请

WO2021211812A1 MULTI-LAYER COATINGS FOR A RAZOR BLADE 审中-公开
公开(公告)号：WO2021211812A1
公开(公告)日：2021-10-21
申请号：PCT/US2021/027446
申请日：2021-04-15
申请人： THE GILLETTE COMPANY LLC
发明人： SKROBIS, Kenneth, James , JOLLEY, William, Owen , MAZIARZ, John, Lawrence , SHEN, Bin , DUFF, Ronald, Richard, Jr. , LUSSIER, Joe, David , CLAUS, Oliver, Heinz , DEPUYDT, Joseph, Allan , SLATTERY, Jason, Scott , NISBY, John, Joseph
IPC分类号： B26B21/60
摘要： A razor blade including: a substrate having a tip portion including a tip region, a blade body including a base, and first and second outer sides disposed opposite a split line of the substrate that converge at a tip; and first and second coatings disposed substantially on the first and second outer sides, respectively. Also provided is a method of coating the razor blade, including: applying a first coating to at least a portion of the first outer side; and applying a second coating to at least a portion of the second outer side. The first and second coatings each extend from the tip region toward the base and are substantially different, as compared to each other. One or both of the first and second coatings comprise a plurality of layers of material.

2. 发明申请

WO2021211810A2 COATINGS FOR A RAZOR BLADE 审中-公开
公开(公告)号：WO2021211810A2
公开(公告)日：2021-10-21
申请号：PCT/US2021/027444
申请日：2021-04-15
申请人： THE GILLETTE COMPANY LLC
发明人： SKROBIS, Kenneth, James , JOLLEY, William, Owen , MAZIARZ, John, Lawrence , SHEN, Bin , DUFF, Ronald, Richard, Jr. , LUSSIER, Joe, David , CLAUS, Oliver, Heinz , DEPUYDT, Joseph, Allan , SLATTERY, Jason, Scott , NISBY, John, Joseph
IPC分类号： B26B21/60
摘要： A razor blade including: a substrate having a tip portion including a tip region, a blade body including a base, and first and second outer sides disposed opposite a split line of the substrate that converge at a tip; and first and second coatings disposed substantially on the first and second outer sides, respectively. Also provided is a method of coating the razor blade, including: applying a first coating to at least a portion of the first outer side; and applying a second coating to at least a portion of the second outer side. The first and second coatings each extend from the tip region toward the base and are substantially different, as compared to each other.

3. 发明申请

WO2018034921A1 RAZOR BLADES 审中-公开
标题翻译：剃刀片
公开(公告)号：WO2018034921A1
公开(公告)日：2018-02-22
申请号：PCT/US2017/046200
申请日：2017-08-10
申请人： THE GILLETTE COMPANY LLC
发明人： NISBY, John, Joseph , STONE, Matthew, Robert , JU, Yongqing , DUFF, Ronald, Richard, Jr.
IPC分类号： B26B21/56
摘要： A razor blade having a substrate with a cutting edge being defined by a sharpened tip. The substrate has a thickness of greater than about 2.30 micrometers measured at a distance of four micrometers from the blade tip, a thickness of greater than about 4.26 micrometers measured at a distance of eight micrometers from the blade tip, and greater than about 7.93 micrometers measured at a distance of sixteen micrometers from the blade tip. A hard coating joined to the substrate has a thickness of 700 Angstroms to about 3500 Angstroms. An outer layer joined to a coated substrate is discontinuous. The outer layer may be produced from a dispersion comprising about 0.03g/L or less of telomer or from about 0.5% solids or less of telomer by weight of composition. The novel razor blade cuts at less than 100% cutting efficiency using a single fiber cutting efficiency measure.
摘要翻译：具有基底的剃刀刀片具有由尖锐尖端限定的切割边缘。在距离叶尖4微米的距离处测量的基材具有大于约2.30微米的厚度，在距离叶片尖端8微米的距离处测得的厚度大于约4.26微米，并且测得的所述厚度大于约7.93微米距离叶尖16微米的距离。连接到衬底的硬涂层具有700埃至3500埃的厚度。连接到涂覆基底的外层是不连续的。外层可以由包含约0.03g / L或更少的调聚物或约0.5％固体或更少的组合物重量的调聚物的分散体生产。采用单根纤维切割效率测量，新型刀片的切割效率低于100％。

4. 发明公开

EP4135952A2 COATINGS FOR A RAZOR BLADE 审中-实审
公开(公告)号：EP4135952A2
公开(公告)日：2023-02-22
申请号：EP21724419.3
申请日：2021-04-15
申请人： The Gillette Company LLC
发明人： SKROBIS, Kenneth, James , JOLLEY, William, Owen , MAZIARZ, John, Lawrence , SHEN, Bin , DUFF, Ronald, Richard, Jr. , LUSSIER, Joe, David , CLAUS, Oliver, Heinz , DEPUYDT, Joseph, Allan , SLATTERY, Jason, Scott , NISBY, John, Joseph
IPC分类号： B26B21/60

5. 发明公开

EP3164226A1 METHOD OF TREATING RAZOR BLADE CUTTING EDGES 有权
标题翻译：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。

6. 发明公开

EP4135951A1 MULTI-LAYER COATINGS FOR A RAZOR BLADE 审中-实审
公开(公告)号：EP4135951A1
公开(公告)日：2023-02-22
申请号：EP21724091.0
申请日：2021-04-15
申请人： The Gillette Company LLC
发明人： SKROBIS, Kenneth, James , JOLLEY, William, Owen , MAZIARZ, John, Lawrence , SHEN, Bin , DUFF, Ronald, Richard, Jr. , LUSSIER, Joe, David , CLAUS, Oliver, Heinz , DEPUYDT, Joseph, Allan , SLATTERY, Jason, Scott , NISBY, John, Joseph
IPC分类号： B26B21/60

7. 发明授权

EP2731761B1 RAZOR BLADE 有权转让
公开(公告)号：EP2731761B1
公开(公告)日：2020-03-11
申请号：EP12743815.8
申请日：2012-07-13
申请人： The Gillette Company LLC
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

8. 发明公开

EP3496918A1 RAZOR BLADES 有权
公开(公告)号：EP3496918A1
公开(公告)日：2019-06-19
申请号：EP17754955.7
申请日：2017-08-10
申请人： The Gillette Company LLC
发明人： NISBY, John, Joseph , STONE, Matthew, Robert , JU, Yongqing , DUFF, Ronald, Richard, Jr.
IPC分类号： B26B21/56

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