US20090000122A1 - Manufacturing Method For Arc Type Nail Clipper Blade, and Its Nail Clipper Blade and Its Nail Clipper - Google Patents
Manufacturing Method For Arc Type Nail Clipper Blade, and Its Nail Clipper Blade and Its Nail Clipper Download PDFInfo
- Publication number
- US20090000122A1 US20090000122A1 US12/087,752 US8775207A US2009000122A1 US 20090000122 A1 US20090000122 A1 US 20090000122A1 US 8775207 A US8775207 A US 8775207A US 2009000122 A1 US2009000122 A1 US 2009000122A1
- Authority
- US
- United States
- Prior art keywords
- blade
- incline
- forming
- edge
- arc shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D29/00—Manicuring or pedicuring implements
- A45D29/02—Nail clippers or cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B17/00—Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact
Definitions
- the present invention relates to a method of manufacturing arc type blades for a nail clipper and arc type blades and a nail clipper, and in particular, a method of manufacturing arc type blades for a nail clipper, which correspond to a curved surface of a finger nail, and arc type blades and a nail clipper manufactured by the same.
- An arc type nail clipper has the characteristic in that blades are arc in shape from a front view, so as to correspond to a curved surface of a finger nail. Accordingly, upon cutting a finger nail by using the arc type nail clipper, no uncomfortable feeling is caused by the pressure first applied to both side ends of the finger nail or the finger nail is prevented from being broken. Since the arc type blades are considered as being very important when actually using the arc type nail clipper, a number of patent applications thereof have been filed thirty years ago. Nevertheless, the arc type blades are of an ideal idea only because these have not been realized as a product. That is, due to a problem in manufacturing, the arc type blades have not been commercialized or practically used.
- top and bottom edges are extended from the top and bottom blade bodies, so as to be in contact with each other.
- Each of the top and bottom edges is formed to be inclined in shape and has a little curved surface in external appearance.
- top and bottom edges are simultaneously grinded to be sharpened, by using a grinding roller of a diameter corresponding to the curved surface. Then, when the diameter of the curved surface at the end of the edge is same as the diameter of the grinding roller, the top and bottom edges are generally to be horizontally parallel to each other, in a front view.
- a middle part of the concave arc type edge needs to be formed to be inward curved in an arc shape
- a middle part of the bottom edge needs to be formed to be outward curved in an arc shape, so that the line of the top and bottom blades being in contact with each other is accurately in contact, to clearly cut a finger nail.
- top and bottom edges of a nail clipper The most important basic requirement for manufacturing arc type top and bottom edges of a nail clipper is to form the top and bottom edges which are accurately in contact with each other, by sufficiently allowing variation of a grinding depth of the top and bottom edges and simultaneously grinding the top and bottom edges.
- the edges of the nail clipper are manually, semi-automatically or full-automatically grinded, using a grinding roller of a diameter corresponding to a diameter of a curved surface of an edge end.
- Manual grinding makes a big difference in a grinding result, depending on the extent of skill of an operator.
- Semi-automatic and automatic grinding generates deviation, depending on the dimension variation of a fixing unit for fixing the nail clipper, the variation of a transfer unit for automation and the extent of abrasion of a grinding belt.
- the arc type nail clipper in which the curves of concave and convex arc type edges are accurately in contact with each other is manufactured by a method of manufacturing arc type blades for the nail clipper, which comprises: forming a top blade and a bottom blade forming a blade body, so as to incline at a same inclination angle, so that one end of the top blade is connected to one end of the bottom blade; forming an inner surface of a downward incline of the top blade so as to be inward curved in an arc shape which has a predetermined curvature and is extended along the downward incline, and forming an end of the top blade so as to be a vertical plane for forming an edge; forming an inner surface of an upward incline of the bottom blade so as to be outward curved in an arc shape which has the same curvature as that of the arc shape in
- an arc type nail clipper which comprises a nail clipper body with a supporting shaft hole formed at one side thereof, a blade body with a supporting shaft hole and comprising a top blade and a bottom blade, and a lever positioned on the nail clipper body and connected to the blade body and the nail clipper body by a supporting shaft, for performing a lever function
- the arc type nail clipper in which the curves of concave and convex arc type edges are accurately in contact with each other is manufactured by a method of manufacturing arc type blades for the nail clipper, which comprises: forming a top blade and a bottom blade forming a blade body, so as to incline at a same inclination angle, so that one end of the top blade is connected to one end of the bottom blade; forming an inner surface of a downward incline of the top blade so as to be inward curved in an arc shape which has a predetermined curvature and is extended along the incline, and forming an end of the top blade so as to be a
- the edge of a top blade and edge of a bottom blade are simultaneously grinded in one vertical plane while these are in contact with each other, so that an concave arc type edge in an arc shape is formed at the end of the top blade and an convex arc type edge in an arc shape is formed on the end of the bottom blade, thereby manufacturing arc type edges of an arc type nail clipper in which the concave and convex arc type edges are accurately in contact with each other.
- FIG. 1A is a perspective view of an arc type nail clipper according to an embodiment of the present invention
- FIG. 1B is a front view of a blade body for the nail clipper shown in FIG. 1A ;
- FIG. 2A is a perspective view of an arc type nail clipper according to another embodiment of the present invention
- FIG. 2B is a front view of a blade body for the nail clipper shown in FIG. 2A ;
- FIG. 3 is a view illustrating a principle of blades of the arc type nail clipper of the present invention
- FIG. 4 is a view for explaining the blades of the arc type nail clipper of the present invention.
- FIG. 5A is a partially cut perspective view of an internal incline of a top blade of the present invention
- FIG. 5B is a partially cut perspective view of an internal incline of a bottom blade thereof;
- FIG. 6A illustrates that an end of the top blade is cut based on a vertical plane and is a front view of a cut section being in contact with the vertical plane
- FIG. 6B illustrates that an end of the bottom blade is cut based on a vertical plane and is a front view of a cut section being in contact with the vertical plane
- FIG. 7A is a partially cut inside perspective view of an edge formed by cutting the end of the internal incline of the top blade
- FIG. 7B is a partially cut inside perspective view of an edge formed by cutting the end of the internal incline of the bottom blade
- FIG. 8 illustrates concave and convex arc type edges formed in an arc shape, which are in contact with each other, by contacting the edge of the top blade and the edge of the bottom blade together and simultaneously grinding the edges in the vertical plane.
- FIG. 1A is a perspective view of an arc type nail clipper 100 according to an embodiment of the present invention
- FIG. 1B is a front view of a blade body for the nail clipper 100 shown in FIG. 1A
- FIG. 2A is a perspective view of an arc type nail clipper 200 according to another embodiment of the present invention
- FIG. 2B is a front view of a blade body for the nail clipper 200 shown in FIG. 2A .
- the nail clipper 100 comprises a blade body 10 and a lever 120 .
- the blade body 10 and the lever 120 are connected by a supporting shaft 110 through a supporting shaft hole 31 formed in the blade body 10 .
- the nail clipper 200 comprises a nail clipper body 210 , a blade body 10 , and a lever 230 .
- the nail clipper body 210 includes a supporting shaft hole 211 at one end thereof.
- the blade body 10 comprises a supporting shaft hole 31 , a top blade 11 and a bottom blade 21 .
- the lever 230 is positioned on the nail clipper body 210 and is connected to the blade body 10 and the nail clipper body 210 by a supporting shaft 220 , for performing a leverage.
- the blade body 10 is rotated at 360 degrees around the supporting shaft 220 with respect to the nail clipper body 210 .
- the blade body 10 comprises a top blade 11 and a bottom blade 21 .
- One end of the top blade 11 and one end of bottom blade 21 are fixed together by spot welding.
- the blade body 10 is formed by bending one side of the top blade 11 and the bottom blade 21 so as to be in one body.
- the blade body 10 are made in one body by the spot welding of the top and bottom blades 11 and 21 which are respectively manufactured by a press process.
- the blade body 10 are formed in one body by bending the top and bottom blades 11 and 21 in the press process.
- the technology forming arc type edges according to the present invention can be equally realized in both nail clippers which are different in shape as shown in the aforementioned embodiments.
- the blade body of the nail clipper to be described with reference to the drawings will be indicated by the same reference numeral, “ 10 ”.
- the blade body 10 comprises the top blade 11 and the bottom blade 21 .
- the top blade 11 and the bottom blade 21 are formed to be same slant so that one end of each blade is connected to each other.
- the top blade 11 includes a downward incline 55 and an end.
- An inner surface of the downward incline 55 is formed in a concave arc shape which has a predetermined curvature and which is extended along the downward incline 55 .
- the end of the top blade 11 is formed to be a vertical plane, for forming a concave arc type edge 53 .
- the bottom blade 21 includes an upward incline 56 and an end.
- An inner surface of the upward incline 56 is formed in a convex arc shape which has the same curvature and which is extended along an upward incline 56 .
- the end of the bottom blade 21 is formed to be a vertical plane, for forming a convex arc type edge 54 .
- the concave arc type edge 53 and the convex arc type edge 54 are in contact to each other, the concave arc type edge 53 and the convex arc type edge 54 are grinded simultaneously in a vertical plane, thereby forming the concave arc type edge 53 in an concave arc shape in the top blade 11 and forming the convex arc type edge 54 in an convex arc shape in the bottom blade 21 , to form the arc type nail clipper 100 or 200 in which the curves of the concave and convex arc type edges are accurately in contact with each other.
- FIG. 3 shows a principle of blades of the arc type nail clipper of the present invention.
- a cylinder is lengthwise divided into two parts.
- a half cylinder is indicated as A 1 and the other half cylinder is indicated as A 2 .
- a diameter R 1 of a half cylinder A 1 is identical with a diameter R 2 of the other half cylinder A 2 .
- the ends of the blades are cut, together the half cylinders A 1 and A 2 , along a vertical plane VP based on the center intersection point P and the cut parts to the left, relative to FIG. 3 , are removed.
- the inner surface of the concave incline 52 of the top blade 11 is formed in a concave arc shape, along an inward curved surface of an arc of the half cylinder A 1
- the inner surface of the incline 51 of the bottom blade 21 is formed in a convex arc shape, along an outward curved surface of an arc of the half cylinder A 2 , so that the concave incline 52 of the top blade 11 formed in the concave arc shape is in contact with the incline 51 of the bottom blade 21 formed in the convex arc shape.
- FIG. 4 is a view for explaining the blades of the arc type nail clipper of the present invention.
- Part A is a side view of the blade body
- part B illustrates the convex incline 51 which is the inner surface of the bottom blade 21
- part C illustrates the concave 52 incline which is the inner surface of the top blade 11
- part D is a front view of the blade body shown in part A
- parts E and F are respectively a plan view and a bottom view of the blade body shown in part A.
- a front end of the top blade 11 externally forms a convex surface 55 , along a slant while internally forming the concave incline 52
- a front end of the bottom blade 21 externally forms a concave surface 56 , along a slant while internally forming the convex incline 51
- the convex incline 51 forming a convex arc type edge and the concave incline 52 forming a concave arc type edge respectively have the diameters R 1 and R 2 of the curved surfaces of the half cylinders.
- the diameters R 1 and R 2 of the curved surfaces of the half cylinders need to be identical with each other, to form a top concave arc type edge 53 and a convex arc type edge 54 so as to be fitted into each other, as shown in part D of FIG. 4 .
- the concave incline 52 of the top blade 11 has the same concept as the inner surface of the half cylinder A
- the convex incline 51 of the bottom blade 21 has the same concept as the inner surface of the half cylinder A 2 , wherein the half cylinders A 1 and A 2 need have the same diameter.
- FIG. 6A illustrates that the end of the top blade 11 is cut based on the vertical plane VP and is a front view of a cut section being in contact with the vertical plane VP
- FIG. 6B illustrates that the end of the bottom blade is cut based on the vertical plane VP and is a front view of a cut section being in contact with the vertical plane VP
- FIG. 7A is an inside view of the edge of the top blade 11 which is completely cut
- FIG. 7B is an inside view of the edge of the bottom blade 21 which is completely cut.
- FIG. 8 is a front view of the edges being in contact with the vertical plane VP.
- the convex surface 55 is formed on the external of the front end of the top blade 11 , along the slant, and the concave surface 56 is formed on the external of the front end of the bottom blade 21 , along the slant.
- the nail clipper is effectively and comfortably positioned under a nail by the external concave surface 56 of the bottom blade 21 .
- the internal inclines where the edges are finally formed have the same inclination angle in the top blade 11 and the bottom blade 21 and form the concave incline 52 and the convex incline 51 having the same diameter, thereby realizing the arc type nail clipper in which the concave arc type edge 53 is accurately in contact with the convex arc type edge 54 in the two-dimensionally vertical plane.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Scissors And Nippers (AREA)
- Harvester Elements (AREA)
- Food-Manufacturing Devices (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0003416 | 2006-01-12 | ||
KR1020060003416A KR100674475B1 (ko) | 2006-01-12 | 2006-01-12 | 아크형 손톱깎이 날체의 제조방법 및 이에 의한 손톱깎이날체 및 손톱깎이 |
PCT/KR2007/000184 WO2007081157A1 (fr) | 2006-01-12 | 2007-01-10 | Procédé de fabrication pour lame courbe de couple-ongles , et lame de couple-ongles et coupe-ongles correspondants |
Publications (1)
Publication Number | Publication Date |
---|---|
US20090000122A1 true US20090000122A1 (en) | 2009-01-01 |
Family
ID=38014908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/087,752 Abandoned US20090000122A1 (en) | 2006-01-12 | 2007-01-10 | Manufacturing Method For Arc Type Nail Clipper Blade, and Its Nail Clipper Blade and Its Nail Clipper |
Country Status (8)
Country | Link |
---|---|
US (1) | US20090000122A1 (fr) |
EP (1) | EP1971237A4 (fr) |
JP (1) | JP4897829B2 (fr) |
KR (1) | KR100674475B1 (fr) |
CN (1) | CN101355886B (fr) |
BR (1) | BRPI0706520A2 (fr) |
RU (1) | RU2381728C1 (fr) |
WO (1) | WO2007081157A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102038350A (zh) * | 2009-10-09 | 2011-05-04 | 韩正植 | 指甲刀刀刃的制造方法刀体及具有该刀体的指甲刀 |
KR20150084612A (ko) * | 2014-01-14 | 2015-07-22 | 제일모직주식회사 | 피리디늄계 화합물, 이를 포함하는 에폭시수지 조성물 및 이를 사용하여 제조된 장치 |
US20170305445A1 (en) * | 2014-09-22 | 2017-10-26 | Bombardier Transportation Gmbh | Method for State Determination in a Rail Vehicle |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1085569A (en) * | 1912-12-16 | 1914-01-27 | Henry La Casse | Manicuring device. |
US1849592A (en) * | 1931-04-24 | 1932-03-15 | Schnefel Brothers Inc | Finger nail clipper |
US4574475A (en) * | 1984-08-29 | 1986-03-11 | James M. Greentree | Nail clipper with cut nail retaining means |
US4731927A (en) * | 1986-09-11 | 1988-03-22 | Wilson Douglas B | Nail clipper and holder |
US5072511A (en) * | 1989-08-22 | 1991-12-17 | Ro Abraham E | Nail clipper |
USD371636S (en) * | 1995-06-26 | 1996-07-09 | Nail clipper | |
US5832610A (en) * | 1997-06-09 | 1998-11-10 | Chaplick; Frank G. | Nail clipper and receptacle assembly |
US5983498A (en) * | 1996-10-18 | 1999-11-16 | Lieberman; Christopher E. | Nail clipper with receptacle |
US20040111893A1 (en) * | 2002-12-10 | 2004-06-17 | Han Jeong Sik | Nail clipper and nail cutter, lever and supporting shaft for the same |
US20040148779A1 (en) * | 2002-11-19 | 2004-08-05 | Young-Sik Choi | Nail clipper |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2342360A1 (fr) * | 1976-02-27 | 1977-09-23 | Lebocey Industrie | Pince pour projectile de metier a tisser a alimentation exterieure |
JPS5755407U (fr) * | 1980-09-18 | 1982-03-31 | ||
JPH01145305U (fr) * | 1988-03-23 | 1989-10-05 | ||
CH679612A5 (fr) * | 1989-09-14 | 1992-03-13 | Asea Brown Boveri | |
JPH0378324U (fr) * | 1989-11-30 | 1991-08-08 | ||
JPH0428805U (fr) * | 1990-06-30 | 1992-03-09 | ||
KR0140051Y1 (ko) * | 1996-07-04 | 1999-10-01 | 김형규 | 손톱깎기날 자동이단 연마기 |
JPH1085032A (ja) * | 1996-09-18 | 1998-04-07 | Seigo Uchiyama | 爪切り具 |
JPH10276833A (ja) * | 1997-04-04 | 1998-10-20 | Kazuyuki Kato | 爪切り |
JP2005007119A (ja) * | 2003-06-18 | 2005-01-13 | Yoshimori Toda | 2方向に弧形の刃をもった爪切り |
KR100497118B1 (ko) * | 2003-08-21 | 2005-06-28 | 최용식 | 손톱깍이 절단날용 연마장치 |
JP2005074135A (ja) * | 2003-09-03 | 2005-03-24 | Yukio Naka | 爪切等の切断刃 |
KR20050096618A (ko) * | 2004-03-31 | 2005-10-06 | 김성근 | 손톱깍기 날의 자동 연마 방법 및 그 장치 |
-
2006
- 2006-01-12 KR KR1020060003416A patent/KR100674475B1/ko active IP Right Grant
-
2007
- 2007-01-10 WO PCT/KR2007/000184 patent/WO2007081157A1/fr active Application Filing
- 2007-01-10 RU RU2008133031/12A patent/RU2381728C1/ru not_active IP Right Cessation
- 2007-01-10 EP EP07700929A patent/EP1971237A4/fr not_active Withdrawn
- 2007-01-10 US US12/087,752 patent/US20090000122A1/en not_active Abandoned
- 2007-01-10 CN CN2007800013033A patent/CN101355886B/zh not_active Expired - Fee Related
- 2007-01-10 JP JP2008550236A patent/JP4897829B2/ja not_active Expired - Fee Related
- 2007-01-10 BR BRPI0706520-5A patent/BRPI0706520A2/pt not_active IP Right Cessation
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1085569A (en) * | 1912-12-16 | 1914-01-27 | Henry La Casse | Manicuring device. |
US1849592A (en) * | 1931-04-24 | 1932-03-15 | Schnefel Brothers Inc | Finger nail clipper |
US4574475A (en) * | 1984-08-29 | 1986-03-11 | James M. Greentree | Nail clipper with cut nail retaining means |
US4731927A (en) * | 1986-09-11 | 1988-03-22 | Wilson Douglas B | Nail clipper and holder |
US5072511A (en) * | 1989-08-22 | 1991-12-17 | Ro Abraham E | Nail clipper |
USD371636S (en) * | 1995-06-26 | 1996-07-09 | Nail clipper | |
US5983498A (en) * | 1996-10-18 | 1999-11-16 | Lieberman; Christopher E. | Nail clipper with receptacle |
US5832610A (en) * | 1997-06-09 | 1998-11-10 | Chaplick; Frank G. | Nail clipper and receptacle assembly |
US20040148779A1 (en) * | 2002-11-19 | 2004-08-05 | Young-Sik Choi | Nail clipper |
US20040111893A1 (en) * | 2002-12-10 | 2004-06-17 | Han Jeong Sik | Nail clipper and nail cutter, lever and supporting shaft for the same |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102038350A (zh) * | 2009-10-09 | 2011-05-04 | 韩正植 | 指甲刀刀刃的制造方法刀体及具有该刀体的指甲刀 |
US20120210583A1 (en) * | 2009-10-09 | 2012-08-23 | Jeong Sik Han | Method for manufacturing inclined curve-type blade body, blade body made therefrom, and nail clipper having blade body thereof |
US8726516B2 (en) * | 2009-10-09 | 2014-05-20 | Jeong Sik Han | Method for manufacturing inclined curve-type blade body, blade body made therefrom, and nail clipper having blade body thereof |
KR20150084612A (ko) * | 2014-01-14 | 2015-07-22 | 제일모직주식회사 | 피리디늄계 화합물, 이를 포함하는 에폭시수지 조성물 및 이를 사용하여 제조된 장치 |
KR101645074B1 (ko) | 2014-01-14 | 2016-08-02 | 제일모직주식회사 | 피리디늄계 화합물, 이를 포함하는 에폭시수지 조성물 및 이를 사용하여 제조된 장치 |
US20170305445A1 (en) * | 2014-09-22 | 2017-10-26 | Bombardier Transportation Gmbh | Method for State Determination in a Rail Vehicle |
Also Published As
Publication number | Publication date |
---|---|
KR100674475B1 (ko) | 2007-01-25 |
EP1971237A4 (fr) | 2011-09-07 |
EP1971237A1 (fr) | 2008-09-24 |
RU2381728C1 (ru) | 2010-02-20 |
WO2007081157A1 (fr) | 2007-07-19 |
BRPI0706520A2 (pt) | 2011-03-29 |
CN101355886B (zh) | 2010-09-01 |
JP2009523053A (ja) | 2009-06-18 |
JP4897829B2 (ja) | 2012-03-14 |
CN101355886A (zh) | 2009-01-28 |
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Legal Events
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |