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公开(公告)号：US20240359350A1
公开(公告)日：2024-10-31
申请号：US18770432
申请日：2024-07-11
申请人： DORCO CO., LTD.
发明人： Ho Jun NOH , Jun Soo CHANG
CPC分类号： B26B21/56 , B26B21/222 , B26B21/4012 , B26B21/4031 , B26B21/565
摘要： Proposed is an integral razor blade which is thin and has improved strength by shaping a geometrical structure of the razor blade and a razor cartridge using the same. The razor blade may include a base portion, a bent portion extending in a bent manner from one end of the base portion, and an edge portion extending from one end of the bent portion, a cutting edge being formed at one end of the edge portion. A first separation distance X between a straight line extending in a longitudinal direction from a front surface of the base portion and an end point of the cutting edge may range from 0.3 mm to 1.0 mm.
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公开(公告)号：US12083694B2
公开(公告)日：2024-09-10
申请号：US17591097
申请日：2022-02-02
申请人： DORCO CO., LTD.
发明人： Ho Jun Noh , Jun Soo Chang
CPC分类号： B26B21/56 , B26B21/222 , B26B21/4012 , B26B21/4031 , B26B21/565
摘要： An integral razor blade which is thin and has improved strength by shaping a geometrical structure of the razor blade and a razor cartridge using the same. The razor blade includes a base portion, a bent portion extending in a bent manner from one end of the base portion, and an edge portion extending from one end of the bent portion, a cutting edge being formed at one end of the edge portion. A first separation distance X between a straight line extending in a longitudinal direction from a front surface of the base portion and an end point of the cutting edge ranges from 0.3 mm to 1.0 mm.
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公开(公告)号：US20240131740A1
公开(公告)日：2024-04-25
申请号：US17966059
申请日：2022-10-14
CPC分类号： B26B21/56 , B26B21/4031 , B26B21/58
摘要： The present invention relates to a shaving device includes a housing with a skin contacting surface and at least one cutting blade mounted in the housing, wherein the cutting blade has an asymmetric cross-sectional shape with a first face, a second face opposed to the first face and a cutting edge at the intersection of the first face and the second face. An intersecting line connects the primary bevel of the first face and the secondary bevel of the second face such that a first wedge angle q1 and a second wedge angle q2 are formed. Further, the clearance angle α between the skin contacting surface and the primary bevel of the first surface is ≤11°, the effective cutting angle ε between the skin contacting surface and the bisecting line of the first wedge angle q1 is ≥10° and q1>q2.
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公开(公告)号：US20240042636A1
公开(公告)日：2024-02-08
申请号：US18380712
申请日：2023-10-17
摘要： The present invention relates to a cutting element having a substrate with at least one aperture which has a cutting edge along at least a portion of an inner perimeter of the aperture. The cutting edges have an asymmetric cross-sectional shape with a first face, a second face opposed to the first face and a cutting edge at the intersection of the first face and the second face. Moreover, the present invention relates to a hair removal device including such cutting elements.
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公开(公告)号：US11712814B2
公开(公告)日：2023-08-01
申请号：US17401199
申请日：2021-08-12
发明人： Shlomo Zucker
CPC分类号： B26B21/565 , B26B21/22 , B26B21/4012 , B26B21/4018 , B26B21/4031 , B26B21/54 , B26B21/56 , B26B21/4037 , B26B21/443
摘要： Disclosed here are shaving razor systems and methods including razor cartridges with a unitary frame having a length and width, a topside and an underside, wherein the unitary frame includes angled joints or bends connecting at least three guards running lengthwise on the unitary frame, the guards separated by at least three gaps in the frame, and at least three blades, affixed to the underside of the guards of the unitary frame, wherein the at least three blades include edges, and wherein the blade edges extend into the gaps in the frame when affixed to the underside of the guards of the unitary frame.
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公开(公告)号：US11660770B2
公开(公告)日：2023-05-30
申请号：US16987298
申请日：2020-08-06
申请人： DORCO CO., LTD.
发明人： Hyun Ju Lee , Kwang Choon Ryu , Min Joo Park
摘要： According to one embodiment, a shaving blade includes a substrate having a cutting edge provided with a sharp substrate tip, wherein a thickness T16 of the substrate measured at a distance D16, which is 16 micrometers from the substrate tip, is in a range from 2.41 micrometers to 3.76 micrometers.
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公开(公告)号：US20180161999A1
公开(公告)日：2018-06-14
申请号：US15574918
申请日：2015-06-24
申请人： Amir DEPAZ
发明人： Amir DEPAZ
CPC分类号： B26B21/565 , B26B21/18 , B26B21/22 , B26B21/4012 , B26B21/4068 , B26B21/521 , B26B21/56
摘要： Razor blade assembly (100), comprising in sequence an upper plate (110) with a radius of curvature RU; a first razor blade (120) of the thickness T1; a curved spacer member (130) with a radius of curvature RS; a second razor blade (140) of the thickness T2; and a lower plate (150) having a radius of curvature RL, wherein these elements can be reversibly assembled and mounted vertically in height on a razor handle (160); the first razor blade (120) and the second razor blade (140) have a generally rectangular shape and comprise a front cutting edge (121a, 141a) and a rear cutting edge (121b, 141b) running lengthwise; the first and second razor blades (120,140) in its unloaded state are curved in a cross-sectional plane orthogonal to the cutting edges; and the thickness T1 and T2 of the first and second razor blades (120,140) is at least 0.45 mm, and preferably at least 0.50 mm.
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公开(公告)号：US20180161998A1
公开(公告)日：2018-06-14
申请号：US15894557
申请日：2018-02-12
CPC分类号： B26B21/56 , B26B21/4087 , B26B21/58 , B26B21/60
摘要： A blade is described. This blade includes a substrate having two surfaces that meet at a cutting edge of the blade. At a given location along a length of the cutting edge, the two surfaces are at an angle with respect to one another. Moreover, angles between the two surfaces are different at at least two locations along the length of the blade. In particular, the angles between the two surfaces may vary along the length of the blade. Furthermore, the blade may include islands having top surfaces positioned at other locations along the length of the blade. These islands may protrude above the cutting edge to protect skin of a user when the blade is used to cut hair. In addition, the islands may include fluidic channels that provide a fluid (such as air or a lubricant) at the top surfaces of the islands when the blade is used.
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公开(公告)号：US20180126573A1
公开(公告)日：2018-05-10
申请号：US15794354
申请日：2017-10-26
申请人： David Bowness
发明人： David Bowness
摘要： A cartridge razor sharpening device is provided. The sharpening device is configured to sharpen blades of cartridge razors, allowing for extended life and use. The device may operate to either slide over the blades to sharpen the blade edge, or may allow the blades to slidably move on the cartridge over the sharpening device. In some embodiments, a blade adjustment mechanism may be utilized to adjust a position of the blades after sharpening.
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公开(公告)号：US09662796B2
公开(公告)日：2017-05-30
申请号：US13870963
申请日：2013-04-25
申请人： Thomas Scimone , Scott Herbst , Alan Regala
发明人： Thomas Scimone , Scott Herbst , Alan Regala
摘要： The present invention generally relates to blades for utility knives, craft knives, box cutters, and other cutting tools. Specifically, this invention relates to cutting blades manufactured from ceramics.
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