Title:
SHAVING BLADE
Document Type and Number:
WIPO Patent Application WO/2023/101342
Kind Code:
A1
Abstract:
According to one embodiment of the present disclosure, provided is a shaving blade comprising a substrate having a substrate edge having a substrate tip formed at an end portion thereof, wherein the substrate includes: a first facet extending from the substrate tip to one side; a second facet extending from the substrate tip to the other side; a third facet extending from the first facet; and a fourth facet extending from the second facet, wherein, when the substrate is divided in two and a first vertical line passing through the substrate tip is taken as a reference, the slope of the first facet and the slope of the second facet are different from each other, a first horizontal line perpendicular to the first vertical line passes through a first point at which the first facet and the third facet meet each other, a second horizontal line perpendicular to the first vertical line passes through a second point at which the second facet and the fourth facet meet each other from the substrate tip, and a difference between a first vertical distance, which is the distance from the substrate tip to the first horizontal line, and a second vertical distance, which is the distance from the substrate tip to the second horizontal line, is 10-30 micrometers.
Inventors:
LEE HYUN JU (KR)
LEE SEUNG KI (KR)
LEE SEUNG KI (KR)
Application Number:
PCT/KR2022/018950
Publication Date:
June 08, 2023
Filing Date:
November 28, 2022
Export Citation:
Assignee:
DORCO CO LTD (KR)
International Classes:
B26B21/56
Foreign References:
| US20050028389A1 | 2005-02-10 | |||
| CN113427525A | 2021-09-24 | |||
| US3863340A | 1975-02-04 | |||
| JP2008132002A | 2008-06-12 | |||
| EP0363648A1 | 1990-04-18 |
Attorney, Agent or Firm:
LEE, Chulhee (KR)
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