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公开(公告)号：US09227331B2
公开(公告)日：2016-01-05
申请号：US14029975
申请日：2013-09-18
Applicant: The Gillette Company
CPC classification number: B26B21/565 , B21D53/645 , B26B21/22
Abstract: A razor blade unit including a housing having a top surface, and a loop disposed on the top surface, the loop having two terminal ends and two exposed opposing edges between the two terminal ends. The loop intersects the top surface at the two terminal ends and the two terminal ends are spaced apart from each other on the top surface. At least a portion of at least one of the two exposed opposing edges has a cutting edge. The razor blade unit provides improved conformity to skin contours.
Abstract translation: 一种剃刀刀片单元，包括具有顶表面的壳体和设置在顶表面上的环，该环具有两个终端和两个末端之间的两个暴露的相对边缘。 该环与两个末端的上表面相交，并且两个末端在顶表面上彼此间隔开。 两个暴露的相对边缘中的至少一个的至少一部分具有切割边缘。 剃刀刀片单元提供改进的皮肤轮廓符合性。
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公开(公告)号：US20220134588A1
公开(公告)日：2022-05-05
申请号：US17517793
申请日：2021-11-03
Applicant: The Gillette Company LLC
Inventor： Andrew Vladimirovich Zhuk , Ronald Richard Duff, JR.
Abstract: This invention relates to a novel application of a compound of chromium and boron, or the application of chromium boride-based coatings (e.g., CrBn where an atomic percentage of boron ranges from greater than zero atomic percent to less than 100 atomic percent of said compound) to surfaces of razor blades, namely cutting edges. On razor blade edges, these novel coatings are hard, durable, and provide a novel, low cutter force and high-quality coating structure, elevating blade performance, while also simplifying the manufacturing process.
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