Invention Grant
- Patent Title: Razor blades having a wide facet angle
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Application No.: US16729854Application Date: 2019-12-30
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Publication No.: US11766797B2Publication Date: 2023-09-26
- Inventor: Kenneth James Skrobis , Jeffrey Stuart Parker , Bin Shen , Matthew Robert Stone , John Joseph Nisby , Jason Scott Slattery , Yongqing Ju
- Applicant: The Gillette Company LLC
- Applicant Address: US MA Boston
- Assignee: The Gillette Company LLC
- Current Assignee: The Gillette Company LLC
- Current Assignee Address: US MA Boston
- Agent Kevin C. Johnson; Joanne N. Pappas
- Main IPC: B26B21/56
- IPC: B26B21/56 ; B26B21/60

Abstract:
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.
Information query
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