US20070095360A1 - Apparatus to remove one individual hair/fiber at a time from a tuft using a gripping device - Google Patents

Apparatus to remove one individual hair/fiber at a time from a tuft using a gripping device Download PDF

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Publication number
US20070095360A1
US20070095360A1 US11/476,226 US47622606A US2007095360A1 US 20070095360 A1 US20070095360 A1 US 20070095360A1 US 47622606 A US47622606 A US 47622606A US 2007095360 A1 US2007095360 A1 US 2007095360A1
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Prior art keywords
gripping element
gripping
wedge
fiber
shaped groove
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Abandoned
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US11/476,226
Inventor
Knut Meinert
Gerhard Schanz
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Procter and Gamble Co
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Procter and Gamble Co
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Assigned to THE PROCTER & GAMBLE COMPANY reassignment THE PROCTER & GAMBLE COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MEINERT, KNUT, SCHANZ, GERHARD
Publication of US20070095360A1 publication Critical patent/US20070095360A1/en
Abandoned legal-status Critical Current

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    • 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
    • A45D44/00—Other cosmetic or toiletry articles, e.g. for hairdressers' rooms
    • A45D44/005—Other cosmetic or toiletry articles, e.g. for hairdressers' rooms for selecting or displaying personal cosmetic colours or hairstyle
    • 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
    • A45D44/00—Other cosmetic or toiletry articles, e.g. for hairdressers' rooms
    • A45D2044/007—Devices for determining the condition of hair or skin or for selecting the appropriate cosmetic or hair treatment

Definitions

  • the invention relates to an apparatus for removing one individual hair/fiber at a time from a tuft using a gripping device.
  • the object of the invention is to obtain an apparatus for removing one individual hair/fiber at a time from a tuft using a gripping device, which enables targeted removal of one individual hair/fiber at a time from a tuft with maximum accuracy meaning with an error rate approaching zero. If by chance the apparatus doesn't collect a single hair/fiber from a tuft, this should also be correspondingly considered by the apparatus according to a sub-object.
  • a first gripping element has a wedge-shaped groove oriented towards the second gripping element and a second gripping element has an essentially flat counterpressure zone, wherein the first gripping element is tapered on the side of the wedge-shaped groove (taper A), whereby an individually removed hair/fiber from a tuft is fixated between the wedge-shaped groove and the counterpressure zone.
  • FIG. 1 shows a perspective representation from above, which is a view of a part of the apparatus
  • FIG. 2 shows a view from above of the apparatus according to FIG. 1 , but with a tuft of hair or fibers between a first and a second gripping element;
  • FIG. 3 shows an enlarged detailed view of Detail III according to FIG. 2 ;
  • FIG. 4 shows a top view of the first gripping element with a conical tip
  • FIG. 5 shows a top view of the first gripping element with an oblong, rectangular pyramid tip
  • FIG. 6 shows a top view of the first gripping element with a quadratic, pyramid tip
  • FIG. 7 shows a top view of the second gripping element with a counterpressure zone that is arranged transversely with respect to groove length D 1 - 3 ;
  • FIG. 8 shows a view from above of the apparatus according to FIG. 2 , but with a first and a second shank;
  • FIG. 9 shows a view from above of the apparatus according to FIG. 8 , but in a first phase of the removal process for an individual hair/individual fiber;
  • FIG. 10 shows an enlarged representation of the view according to FIG. 9 ;
  • FIG. 11 shows another enlarged representation of the view according to FIG. 10 , but in a phase of removal of an individual hair/individual fiber from a tuft;
  • FIG. 12 shows the representation according to FIG. 11 , but in an enlarged view and in a reduced perspective from above;
  • FIG. 13 shows the representation according to FIG. 9 , but in an exceptional condition of non-collection of a hair/fiber
  • FIG. 14 shows the representation according to FIG. 1 , but with a rotation-symmetrical disk as a first gripping element and a cylindrical disk as a second gripping element;
  • FIG. 15 shows an enlarged representation of the view of a ring groove of the disk according to FIG. 14 ;
  • FIG. 16 shows a cutout similar to FIG. 15 of two half-shells that are combined as mirror images as a disk ( FIG. 15 ).
  • FIGS. 1 through 16 show an apparatus 1 to remove one individual hair/fiber 2 at a time from a tuft 3 using a gripping device 4 , which has a first and a second opposing gripping element 5 , 6 .
  • the first gripping element 5 is connected to a first shank 21
  • the second gripping element 6 is connected to a second shank 22 .
  • the first and the second gripping element 5 , 6 and/or the first shank 21 and the second shank 22 are relatively movable with respect to each other and/or can be moved, for example, as if using a set of tweezers.
  • first or the second gripping element 5 , 6 can be arranged at a fixed location so that only one gripping element 5 , 6 and/or only one shank 21 , 22 can be correspondingly precisely moved by, for example, an automatically controlled hydraulic/pneumatic drive (not shown).
  • the first gripping element 5 has a wedge-shaped groove 7 oriented towards the second gripping element 6 , wherein the second gripping element 6 has an essentially flat counterpressure zone 8 , in order to hold an individual hair/fiber 2 that has been removed from a tuft 3 between the wedge-shaped groove 7 and the counterpressure zone 8 when the first and second gripping element 5 , 6 are pressed together (e.g., FIG.
  • the hair/fiber 2 is then automatically affixed at both ends with a sleeve for additional processing, for example, with a prescribed length, in order to treat and/or test and/or examine it with a corresponding apparatus (not shown).
  • the first gripping element 5 is tapered on the side of the wedge-shaped groove 7 (taper A).
  • the gripping element 5 is thereby precisely routed up to a first position of multiple hairs/fibers 2 through a tuft 3 that is suspended in a fixed position and it then collects, normally with the wedge-shaped groove 7 , an individual hair 2 or an individual fiber 2 ( FIGS. 1 and 2 ).
  • a spring device 37 which is arranged in a first and/or second shank 21 , 22 of the first and/or second gripping element 5 , 6 and consists of a bore hole 38 with a lateral slot 39 ( FIG. 1 ).
  • the wedge-shaped groove 7 has an edge width C of approximately 40 ⁇ m and an alpha angle of approximately 45 degrees ( FIG. 3 ).
  • Taper A of the first gripping element 5 is formed by a pointy cone 31 ( FIG. 4 ).
  • the groove 7 has at least length D 1 of a hair/fiber diameter.
  • the average hair diameter is approximately 60 to 80 ⁇ m.
  • Taper A of the first gripping element 5 is formed by a rectangular pyramid tip 32 ( FIGS. 5 and 6 ), wherein a pyramid surface, according to FIG. 5 , has an oblong rectangle and groove length D 2 and, according to FIG. 6 , a quadratic rectangle and groove length D 3 .
  • FIG. 7 shows the second gripping element 6 with a counterpressure zone 8 arranged transversely with respect to groove length D 1 - 3 .
  • FIG. 8 shows a view from above of the apparatus 1 according to FIG. 2 , but with a first and a second shank 21 , 22 .
  • Both gripping elements 5 , 6 consist of one current-conducting material (metal) and are each connected via a conductor 35 , 36 , whereby the first and second gripping element 5 , 6 communicates with an electric detection device 13 to control the collection of an individual hair/fiber 2 from a tuft 3 .
  • the first and second gripping elements 5 , 6 are formed as an electric current bridge 14 when they come into mechanical contact B ( FIG. 13 ) with each other, wherein a current flow 15 signals that there is no individual hair/fiber 2 from a tuft 3 between the first and second gripping element 5 , 6 , and, correspondingly, automatic further processing is possible.
  • FIG. 9 shows a view from above of the apparatus 1 according to FIG. 8 , but in a first phase of the removal process for an individual hair/individual fiber.
  • FIG. 10 shows an enlarged representation of the view according to FIG. 9 .
  • FIG. 11 shows another enlarged representation of the view according to FIG. 10 , but in a phase of removal of an individual hair/individual fiber 2 from a tuft 3 .
  • FIG. 12 shows the representation according to FIG. 11 , but in an enlarged view and in a reduced perspective from above.
  • FIG. 13 shows the representation according to FIG. 9 , but in an exceptional status of non-collection of a hair/fiber 2 , which is detected by the detection device 13 ( FIG. 8 ).
  • the first gripping element 5 is designed as a rotation-symmetrical disk 9 , wherein the wedge-shaped groove 7 is designed as a peripheral ring groove 10 with a chamfer 33 on each side ( FIGS. 15 and 16 ) as taper A.
  • the second gripping element 6 is a cylindrical disk 11 , wherein the peripheral ring groove 10 and a surface 12 of the cylindrical disk 11 communicate with one another.
  • the rotation-symmetrical disk 9 consists of two similar, rotation-symmetrical half-shells 34 , whereby a ring groove 10 with an edge width C of approximately 40 ⁇ m can be produced.

Abstract

An apparatus (1) to remove one individual hair/fiber (2) at a time from a tuft (3) using a gripping device (4), which has a first and a second opposing gripping element (5, 6). The first and the second gripping elements (5, 6) are relatively moveable with respect to one another, wherein the first gripping element (5) has a wedge-shaped groove (7) oriented towards the second gripping element (6) and the second gripping element (6) has an essentially flat counterpressure zone (8), and wherein the first gripping element (5) is tapered on the side of the wedge-shaped groove (7) (taper A) (FIG. 2).

Description

    FIELD OF THE INVENTION
  • The invention relates to an apparatus for removing one individual hair/fiber at a time from a tuft using a gripping device.
    • PROBLEM TO BE SOLVED
  • The object of the invention is to obtain an apparatus for removing one individual hair/fiber at a time from a tuft using a gripping device, which enables targeted removal of one individual hair/fiber at a time from a tuft with maximum accuracy meaning with an error rate approaching zero. If by chance the apparatus doesn't collect a single hair/fiber from a tuft, this should also be correspondingly considered by the apparatus according to a sub-object.
    • SUMMARY OF THE INVENTION
  • The object is achieved in that a first gripping element has a wedge-shaped groove oriented towards the second gripping element and a second gripping element has an essentially flat counterpressure zone, wherein the first gripping element is tapered on the side of the wedge-shaped groove (taper A), whereby an individually removed hair/fiber from a tuft is fixated between the wedge-shaped groove and the counterpressure zone.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The invention is described in more detail by means of an exemplary embodiment.
  • The following is shown:
  • FIG. 1 shows a perspective representation from above, which is a view of a part of the apparatus;
  • FIG. 2 shows a view from above of the apparatus according to FIG. 1, but with a tuft of hair or fibers between a first and a second gripping element;
  • FIG. 3 shows an enlarged detailed view of Detail III according to FIG. 2;
  • FIG. 4 shows a top view of the first gripping element with a conical tip;
  • FIG. 5 shows a top view of the first gripping element with an oblong, rectangular pyramid tip;
  • FIG. 6 shows a top view of the first gripping element with a quadratic, pyramid tip;
  • FIG. 7 shows a top view of the second gripping element with a counterpressure zone that is arranged transversely with respect to groove length D1-3;
  • FIG. 8 shows a view from above of the apparatus according to FIG. 2, but with a first and a second shank;
  • FIG. 9 shows a view from above of the apparatus according to FIG. 8, but in a first phase of the removal process for an individual hair/individual fiber;
  • FIG. 10 shows an enlarged representation of the view according to FIG. 9;
  • FIG. 11 shows another enlarged representation of the view according to FIG. 10, but in a phase of removal of an individual hair/individual fiber from a tuft;
  • FIG. 12 shows the representation according to FIG. 11, but in an enlarged view and in a reduced perspective from above;
  • FIG. 13 shows the representation according to FIG. 9, but in an exceptional condition of non-collection of a hair/fiber;
  • FIG. 14 shows the representation according to FIG. 1, but with a rotation-symmetrical disk as a first gripping element and a cylindrical disk as a second gripping element;
  • FIG. 15 shows an enlarged representation of the view of a ring groove of the disk according to FIG. 14; and
  • FIG. 16 shows a cutout similar to FIG. 15 of two half-shells that are combined as mirror images as a disk (FIG. 15).
    • DETAILED DESCRIPTION OF THE INVENTION
  • FIGS. 1 through 16 show an apparatus 1 to remove one individual hair/fiber 2 at a time from a tuft 3 using a gripping device 4, which has a first and a second opposing gripping element 5, 6. The first gripping element 5 is connected to a first shank 21, and the second gripping element 6 is connected to a second shank 22. The first and the second gripping element 5, 6 and/or the first shank 21 and the second shank 22 are relatively movable with respect to each other and/or can be moved, for example, as if using a set of tweezers. Optionally, either the first or the second gripping element 5, 6 can be arranged at a fixed location so that only one gripping element 5, 6 and/or only one shank 21, 22 can be correspondingly precisely moved by, for example, an automatically controlled hydraulic/pneumatic drive (not shown). The first gripping element 5 has a wedge-shaped groove 7 oriented towards the second gripping element 6, wherein the second gripping element 6 has an essentially flat counterpressure zone 8, in order to hold an individual hair/fiber 2 that has been removed from a tuft 3 between the wedge-shaped groove 7 and the counterpressure zone 8 when the first and second gripping element 5, 6 are pressed together (e.g., FIG. 10), and in order to then pull said hair/fiber from the tuft 3 (automatically). The hair/fiber 2 is then automatically affixed at both ends with a sleeve for additional processing, for example, with a prescribed length, in order to treat and/or test and/or examine it with a corresponding apparatus (not shown).
  • The first gripping element 5 is tapered on the side of the wedge-shaped groove 7 (taper A). The gripping element 5 is thereby precisely routed up to a first position of multiple hairs/fibers 2 through a tuft 3 that is suspended in a fixed position and it then collects, normally with the wedge-shaped groove 7, an individual hair 2 or an individual fiber 2 (FIGS. 1 and 2).
  • During the gripping process, there is a spring-loaded touch contact between the first gripping element 5 and the second gripping element 6 using a spring device 37, which is arranged in a first and/or second shank 21, 22 of the first and/or second gripping element 5, 6 and consists of a bore hole 38 with a lateral slot 39 (FIG. 1).
  • The wedge-shaped groove 7 has an edge width C of approximately 40 μm and an alpha angle of approximately 45 degrees (FIG. 3).
  • Taper A of the first gripping element 5 is formed by a pointy cone 31 (FIG. 4). The groove 7 has at least length D1 of a hair/fiber diameter. The average hair diameter is approximately 60 to 80 μm.
  • Taper A of the first gripping element 5 is formed by a rectangular pyramid tip 32 (FIGS. 5 and 6), wherein a pyramid surface, according to FIG. 5, has an oblong rectangle and groove length D2 and, according to FIG. 6, a quadratic rectangle and groove length D3.
  • FIG. 7 shows the second gripping element 6 with a counterpressure zone 8 arranged transversely with respect to groove length D1-3.
  • FIG. 8 shows a view from above of the apparatus 1 according to FIG. 2, but with a first and a second shank 21, 22. Both gripping elements 5, 6 consist of one current-conducting material (metal) and are each connected via a conductor 35, 36, whereby the first and second gripping element 5, 6 communicates with an electric detection device 13 to control the collection of an individual hair/fiber 2 from a tuft 3. The first and second gripping elements 5, 6 are formed as an electric current bridge 14 when they come into mechanical contact B (FIG. 13) with each other, wherein a current flow 15 signals that there is no individual hair/fiber 2 from a tuft 3 between the first and second gripping element 5, 6, and, correspondingly, automatic further processing is possible.
  • FIG. 9 shows a view from above of the apparatus 1 according to FIG. 8, but in a first phase of the removal process for an individual hair/individual fiber.
  • FIG. 10 shows an enlarged representation of the view according to FIG. 9.
  • FIG. 11 shows another enlarged representation of the view according to FIG. 10, but in a phase of removal of an individual hair/individual fiber 2 from a tuft 3.
  • FIG. 12 shows the representation according to FIG. 11, but in an enlarged view and in a reduced perspective from above.
  • FIG. 13 shows the representation according to FIG. 9, but in an exceptional status of non-collection of a hair/fiber 2, which is detected by the detection device 13 (FIG. 8).
  • According to FIGS. 14 through 16, the first gripping element 5 is designed as a rotation-symmetrical disk 9, wherein the wedge-shaped groove 7 is designed as a peripheral ring groove 10 with a chamfer 33 on each side (FIGS. 15 and 16) as taper A. The second gripping element 6 is a cylindrical disk 11, wherein the peripheral ring groove 10 and a surface 12 of the cylindrical disk 11 communicate with one another. The rotation-symmetrical disk 9 consists of two similar, rotation-symmetrical half-shells 34, whereby a ring groove 10 with an edge width C of approximately 40 μm can be produced.
    • Reference List
    • 1 Apparatus
    • 2 Hair/fiber
    • 3 Tuft
    • 4 Gripping device
    • 5 First gripping element
    • 6 Second gripping element
    • 7 Groove
    • 8 Counterpressure zone
    • 9 Rotation-symmetrical disk
    • 10 Ring groove
    • 11 Cylindrical disk
    • 12 Surface
    • 13 Detection device
    • 14 Current bridge
    • 15 Current flow
    • 21 First shank
    • 22 Second shank
    • 31 Pointy cone
    • 32 Pyramid tip
    • 33 Chamfer
    • 34 Half-disk
    • 35,36 Conductor
    • 37 Spring device
    • 38 Borehole
    • 39 Slot
    • A Taper
    • B Mechanical contact
    • C Edge width/groove 7
    • D1-3 Groove length
    • alpha angle/groove 7
  • All documents cited in the Detailed Description of the Invention are, in relevant part, incorporated herein by reference; the citation of any document is not to be construed as an admission that it is prior art with respect to the present invention. To the extent that any meaning or definition of a term in this written document conflicts with any meaning or definition of the term in a document incorporated by reference, the meaning or definition assigned to the term in this written document shall govern.
  • While particular embodiments of the present invention have been illustrated and described, it would be obvious to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.

Claims (12)

1. An apparatus to remove one individual hair/fiber at a time from a tuft using a gripping device, which comprises a first opposing gripping element and a second opposing gripping element, and wherein the first and the second gripping element are relatively movable with respect to each other, and wherein the first gripping element comprises a wedge-shaped groove oriented towards the second gripping element and the second gripping element comprises an essentially flat counterpressure zone, wherein the first gripping element is tapered on the side of the wedge-shaped groove (taper A).
2. An apparatus according to claim 1, wherein the wedge-shaped groove has an edge width (C) of approximately 40 μm.
3. An apparatus according to claim 1, wherein the wedge-shaped groove has an angle (alpha) of approximately 45 degrees.
4. An apparatus according to claim 1, wherein the taper (A) is formed by a pointy cone.
5. An apparatus according to claim 1, wherein the taper (A) is formed by a rectangular pyramid tip.
6. An apparatus according to claim 1, wherein the first gripping element is designed as a rotation-symmetrical disk, wherein the wedge-shaped groove is designed as a peripheral ring groove with a chamfer on each side.
7. An apparatus according to claim 1, wherein the first gripping element is designed as a rotation-symmetrical disk, wherein the wedge-shaped groove is designed as a peripheral ring groove with a chamfer on each side, and the second gripping element is a cylindrical disk, wherein the peripheral ring groove and a surface of the cylindrical disk communicate with one another.
8. An apparatus according to claim 6, wherein the rotation-symmetrical disk consists of two similar half-disks.
9. An apparatus according to claim 1, wherein the first and second gripping elements communicate with an electrical detection device to collect an individual hair/fiber from a tuft.
10. An apparatus according to claim 8, wherein the first and second gripping elements are formed as an electric current bridge when the elements come into mechanical contact (B) with each other, wherein a current flow signals that there is no individual hair/fiber from a tuft between the first and the second gripping element.
11. An apparatus according to claim 1, wherein, during the gripping process, there is a spring-loaded touch contact between the first gripping element and the second gripping element using a spring device.
12. An apparatus according to claim 11, wherein the spring device is arranged in a first and/or second shank of the first and/or second gripping element and consists of a bore hole with a lateral slot.
US11/476,226 2005-06-27 2006-06-27 Apparatus to remove one individual hair/fiber at a time from a tuft using a gripping device Abandoned US20070095360A1 (en)

Applications Claiming Priority (2)

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DE102005030029A DE102005030029A1 (en) 2005-06-27 2005-06-27 Device for removing in each case a single hair / fiber from a tuft by means of a gripping device
DE102005030029.4 2005-06-27

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US20070095360A1 true US20070095360A1 (en) 2007-05-03

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US (1) US20070095360A1 (en)
EP (1) EP1896348B1 (en)
JP (1) JP4499815B2 (en)
CN (1) CN101189176B (en)
AT (1) ATE431806T1 (en)
AU (1) AU2006262564A1 (en)
BR (1) BRPI0612561A2 (en)
CA (1) CA2611338A1 (en)
DE (3) DE102005030029A1 (en)
ES (1) ES2327354T3 (en)
MX (1) MX2007015031A (en)
WO (1) WO2007001906A1 (en)

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US20130284196A1 (en) * 2012-04-27 2013-10-31 The Procter & Gamble Company Applicator Assembly for Applying a Composition
US10123966B2 (en) 2013-05-16 2018-11-13 The Procter And Gamble Company Hair thickening compositions and methods of use

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* Cited by examiner, † Cited by third party
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CN111689217A (en) * 2020-06-03 2020-09-22 骆研 Automatic robot feeding and discharging system

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US2764905A (en) * 1954-03-31 1956-10-02 Waldemar E Thoms Jewelers' tweezers
US3145737A (en) * 1962-05-12 1964-08-25 Grandi Giorgio Adolfo Device for picking-out and feeding weft hair in looms
US3446211A (en) * 1967-11-09 1969-05-27 Harold A Markham Surgical clamp
US4827781A (en) * 1986-05-20 1989-05-09 Siegfried Payer, Ag Method and apparatus for the end alignment of fibers for fiber length measurement
US20050230983A1 (en) * 2004-04-14 2005-10-20 Leslie Gray Moxa cone removal instrument

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US883810A (en) * 1907-06-13 1908-04-07 Bruno Knittel Hair-fabric loom.
US2668538A (en) * 1952-01-30 1954-02-09 George P Pilling & Son Company Surgical clamping means
US2764905A (en) * 1954-03-31 1956-10-02 Waldemar E Thoms Jewelers' tweezers
US3145737A (en) * 1962-05-12 1964-08-25 Grandi Giorgio Adolfo Device for picking-out and feeding weft hair in looms
US3446211A (en) * 1967-11-09 1969-05-27 Harold A Markham Surgical clamp
US4827781A (en) * 1986-05-20 1989-05-09 Siegfried Payer, Ag Method and apparatus for the end alignment of fibers for fiber length measurement
US20050230983A1 (en) * 2004-04-14 2005-10-20 Leslie Gray Moxa cone removal instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130284196A1 (en) * 2012-04-27 2013-10-31 The Procter & Gamble Company Applicator Assembly for Applying a Composition
US10123966B2 (en) 2013-05-16 2018-11-13 The Procter And Gamble Company Hair thickening compositions and methods of use

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DE202005015133U1 (en) 2006-01-05
EP1896348A1 (en) 2008-03-12
AU2006262564A1 (en) 2007-01-04
JP2009502520A (en) 2009-01-29
WO2007001906A1 (en) 2007-01-04
CN101189176A (en) 2008-05-28
CN101189176B (en) 2013-02-27
DE102005030029A1 (en) 2007-01-04
ATE431806T1 (en) 2009-06-15
MX2007015031A (en) 2008-01-24
EP1896348B1 (en) 2009-05-20
JP4499815B2 (en) 2010-07-07
CA2611338A1 (en) 2007-01-04
DE602006006913D1 (en) 2009-07-02
ES2327354T3 (en) 2009-10-28
BRPI0612561A2 (en) 2012-01-03

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