US20070294848A1 - Brush for cosmetic-or care-product application - Google Patents

Brush for cosmetic-or care-product application Download PDF

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Publication number
US20070294848A1
US20070294848A1 US11/848,741 US84874107A US2007294848A1 US 20070294848 A1 US20070294848 A1 US 20070294848A1 US 84874107 A US84874107 A US 84874107A US 2007294848 A1 US2007294848 A1 US 2007294848A1
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US
United States
Prior art keywords
fibers
brush
brush according
length
section
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
Application number
US11/848,741
Inventor
Norbert Dumler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Geka Brush GmbH
Original Assignee
Geka Brush GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Geka Brush GmbH filed Critical Geka Brush GmbH
Priority to US11/848,741 priority Critical patent/US20070294848A1/en
Publication of US20070294848A1 publication Critical patent/US20070294848A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/04—Preparing bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/08—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping

Definitions

  • the invention relates to a brush for applying lip cosmetics to the lips, a bunch of fibers being bent in a shape of a U and, in the vicinity of a bight of the U, being fixed in a recess of a shank of the brush and the fibers being pointed at least towards one tip.
  • a brush of the generic type is known from EP 0 937 424 B1.
  • Brushes of the generic type having a bunch of fibers bent in the shape of a U, are also known as so-called stamped brushes.
  • the fibers are natural hairs.
  • Drawbacks of natural hairs reside in that they are not available at a low cost and in sufficient quantities of desired and reproducible quality.
  • natural hairs are accompanied with some problems when in touch with the human skin, because they have a rough and thus expanded surface that lies open to the attack of germs.
  • An advantage of natural hairs resides in their having a pointed tip, with a bunch of those pointed hairs being ideal as a brush and enabling highly sensitive application.
  • Brushes have also been known to be equipped with synthetic fibers which have the advantage of being available in reproducible quality and in nearly any quantities, but which are produced continuously. Consequently, the tipping of a brush is cut from a reel of continuous fibers, as a result of which the fibers have the same diameter at their tip and in the central sector, their diameter being substantially constant. No use can be made of the advantages offered by pointed fibers.
  • this object is attained by the fibers being pointed at both tips, wherein the bunch of fibers is fixed in a recess of the shank of the brush by anchor-stamping, loop-stamping, melting, gluing, welding, in particular laser-welding, by laser, infrared or ultrasonic welding, puncturing or injection-molding, so that a first section of said fibers is accommodated within said recess and a second section of the fibers extends freely outside said recess wherein the length of said first section being longer than the length of said second section.
  • the length of said first section is at least twice as long as the length as said second section, preferably about three times as long.
  • the resulting shape of the bunch of bristles may narrow at least towards the tip of the bunch.
  • the bunch of fibers has a dense tip which gives the user a nice feeling when cosmetics is applied and which makes it possible to draw exact contours.
  • the invention abandons the conventional idea that synthetic fibers must necessarily be supplied and worked in the form of a continuous reel. Rather, slightly more complicated working is readily accepted in exchange for the achievement of so far unknown application results that are based on optimally configured individual fibers and total bunches of fibers.
  • the diameter of the fibers amounting to 0.05 mm to 0.30 mm where they are thickest, with the fibers tapering by an angle that ranges between 0.5° to 15°, proceeding in particular from the central sector.
  • the fibers consist of plastics, preferably PBT, polyester, polyacryl or polyamide.
  • the length of the fibers may favorably range between 10 mm and 80 mm, preferably being approximately 28 mm, with the fiber modulus of elasticity ranging from 1 to 4 GPa.
  • the shank of the brush also consists of plastic material, with the diameter of the shank ranging between 2 mm and 10 mm, given a length of between 5 mm and 80 mm.
  • the bunch of fibers may be fixed in the recess of the shank by anchor-stamping, loop-stamping, melting, gluing, welding, in particular laser-welding; by laser, infrared or ultrasonic welding, puncturing or injection-molding.
  • the number of fiber tips of the brush favorably ranges between 25 and 1000 fibers, with fiber density ranging between 50 and 300 fibers per square millimeter.
  • the recess provided in the shank may have a round, oval or polygonal cross-sectional shape.
  • the fibers can be embodied in such a way that, proceeding from a central sector, they taper towards the tips or that there is a central sector of uniform—for instance cylindrical—geometry for a certain length.
  • the fibers are synthetic fibers, however certain natural hairs are conceivable too. If synthetic fibers are used, various cross-sectional shapes are conceivable in addition to a cylindrical shape, for example C-shapes or cross-shapes or hollow fibers.
  • the brush, after manufacture, is heated and then flattened by means of a stamp, with a flat or oval brush originating after cooling.
  • the shank of the brush may be provided with axial slots for improved receptivity.
  • the free end of the shank may be rounded towards the tipping.
  • the wire loop that serves for fixing the tipping may have various configurations that are known per se.
  • FIG. 1 is a side view of a fiber used in accordance with the invention
  • FIG. 2 is a sectional view of a complete cosmetic unit, comprising a brush according to the invention
  • FIG. 3 is a sectional view of a shank of a brush
  • FIG. 4 is a sectional view of the end portion of a shank of a brush with a bunch of fibers fixed therein;
  • FIG. 5 is a sectional view of another embodiment of a fiber according to the invention corresponding to FIG. 1 .
  • FIG. 1 is a side view of a fiber 1 used in accordance with the invention. Proceeding from a central sector 2 , this fiber 1 comprises a first pointed tip 3 and a second pointed tip 4 .
  • FIG. 3 illustrates a brush shank 7 of plastics.
  • a shank 7 of that type may be part of a cosmetic unit, scaled down in FIG. 2 ; the shank 7 is disposed in the recess 9 of a cap 10 which, by way of an internal thread 11 , can be screwed on an external thread 12 of the neck 13 of a cosmetic container 15 .
  • the shank 7 combines with the fiber bunch 8 and with the cap 10 , which simultaneously constitutes a prolonged handle, the whole forming a brush 14 according to the invention.
  • FIG. 4 is a sectional view of the end portion of a shank 7 of a brush with a bunch of fibers 1 fixed therein.
  • the bunch of fibers 1 is fixed with a drawing force of at least 5N.
  • the fibers 1 ′ have a cylindrical central section 16 , as illustrated in FIG. 5 .
  • the bunch 8 of fibers 1 narrows towards the tip.
  • a first section of the fibers 1 is within the recess 6 and has a length L 1 and a second section of bristles 1 is outside the recess 6 and has a length L 2 .
  • the length L 1 is about three times longer than the length L 2 .

Abstract

A brush for cosmetic- or care-product application to human skin, in particular for lip-cosmetic application, wherein a bunch of fibers is bent in a shape of a U and, in the vicinity of a bight of the U, is fixed in a recess of a shank of the brush, and wherein the fibers are pointed towards both tips.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The invention relates to a brush for applying lip cosmetics to the lips, a bunch of fibers being bent in a shape of a U and, in the vicinity of a bight of the U, being fixed in a recess of a shank of the brush and the fibers being pointed at least towards one tip.
  • 2. Background Art
  • A brush of the generic type is known from EP 0 937 424 B1.
  • Brushes of the generic type, having a bunch of fibers bent in the shape of a U, are also known as so-called stamped brushes. Conventionally the fibers are natural hairs. Drawbacks of natural hairs reside in that they are not available at a low cost and in sufficient quantities of desired and reproducible quality. Moreover, from a point of view of hygiene, natural hairs are accompanied with some problems when in touch with the human skin, because they have a rough and thus expanded surface that lies open to the attack of germs. An advantage of natural hairs resides in their having a pointed tip, with a bunch of those pointed hairs being ideal as a brush and enabling highly sensitive application.
  • When a bunch of those natural hairs is fixed centrally in the recess of the brush, they will also stand out by the blunt tips, this deteriorating the brush properties in the application area. To avoid this drawback it has been known to fix a bunch of natural hairs in the vicinity of the blunt tips instead of centrally so that only the pointed tips stand out freely. However, this asymmetric arrangement negatively affects the shape of the brush, therefore not offering an optimal solution.
  • Brushes have also been known to be equipped with synthetic fibers which have the advantage of being available in reproducible quality and in nearly any quantities, but which are produced continuously. Consequently, the tipping of a brush is cut from a reel of continuous fibers, as a result of which the fibers have the same diameter at their tip and in the central sector, their diameter being substantially constant. No use can be made of the advantages offered by pointed fibers.
    • SUMMARY OF THE INVENTION
  • It is an object of the invention to embody a brush of the type mentioned at the outset in such a way that, on the one hand, it can be produced at a reasonable cost and comes up to hygienic requirements while, on the other hand, enabling a favorable shape to be put into practice that will result in a process of controlled tactile application in particular of lip cosmetics.
  • According to the invention, this object is attained by the fibers being pointed at both tips, wherein the bunch of fibers is fixed in a recess of the shank of the brush by anchor-stamping, loop-stamping, melting, gluing, welding, in particular laser-welding, by laser, infrared or ultrasonic welding, puncturing or injection-molding, so that a first section of said fibers is accommodated within said recess and a second section of the fibers extends freely outside said recess wherein the length of said first section being longer than the length of said second section.
  • Preferably the length of said first section is at least twice as long as the length as said second section, preferably about three times as long.
  • The resulting shape of the bunch of bristles may narrow at least towards the tip of the bunch.
  • According to the invention, due to the combination of fibers being pointed and a comparatively deep and long recess for holding the fibers the bunch of fibers has a dense tip which gives the user a nice feeling when cosmetics is applied and which makes it possible to draw exact contours.
  • Accordingly, the invention abandons the conventional idea that synthetic fibers must necessarily be supplied and worked in the form of a continuous reel. Rather, slightly more complicated working is readily accepted in exchange for the achievement of so far unknown application results that are based on optimally configured individual fibers and total bunches of fibers.
  • Preferably, provision can be made for the diameter of the fibers amounting to 0.05 mm to 0.30 mm where they are thickest, with the fibers tapering by an angle that ranges between 0.5° to 15°, proceeding in particular from the central sector.
  • The fibers consist of plastics, preferably PBT, polyester, polyacryl or polyamide.
  • The length of the fibers may favorably range between 10 mm and 80 mm, preferably being approximately 28 mm, with the fiber modulus of elasticity ranging from 1 to 4 GPa.
  • By advantage, the shank of the brush also consists of plastic material, with the diameter of the shank ranging between 2 mm and 10 mm, given a length of between 5 mm and 80 mm.
  • The bunch of fibers may be fixed in the recess of the shank by anchor-stamping, loop-stamping, melting, gluing, welding, in particular laser-welding; by laser, infrared or ultrasonic welding, puncturing or injection-molding.
  • The number of fiber tips of the brush favorably ranges between 25 and 1000 fibers, with fiber density ranging between 50 and 300 fibers per square millimeter.
  • The recess provided in the shank may have a round, oval or polygonal cross-sectional shape.
  • The fibers can be embodied in such a way that, proceeding from a central sector, they taper towards the tips or that there is a central sector of uniform—for instance cylindrical—geometry for a certain length. Preferably the fibers are synthetic fibers, however certain natural hairs are conceivable too. If synthetic fibers are used, various cross-sectional shapes are conceivable in addition to a cylindrical shape, for example C-shapes or cross-shapes or hollow fibers.
  • Within the scope of the invention, it is also possible that the brush, after manufacture, is heated and then flattened by means of a stamp, with a flat or oval brush originating after cooling.
  • Towards its free end, the shank of the brush may be provided with axial slots for improved receptivity. The free end of the shank may be rounded towards the tipping. The wire loop that serves for fixing the tipping may have various configurations that are known per se.
  • Details of the invention will become apparent from the ensuing description of a preferred embodiment, taken in conjunction with the drawing.
    • BRIEF DESCRIPTION OF THE DRAWING
  • FIG. 1 is a side view of a fiber used in accordance with the invention;
  • FIG. 2 is a sectional view of a complete cosmetic unit, comprising a brush according to the invention;
  • FIG. 3 is a sectional view of a shank of a brush;
  • FIG. 4 is a sectional view of the end portion of a shank of a brush with a bunch of fibers fixed therein; and
  • FIG. 5 is a sectional view of another embodiment of a fiber according to the invention corresponding to FIG. 1.
    • DESCRIPTION OF THE PREFERRED EMBODIMENT
  • FIG. 1 is a side view of a fiber 1 used in accordance with the invention. Proceeding from a central sector 2, this fiber 1 comprises a first pointed tip 3 and a second pointed tip 4.
  • When a bunch of those fibers 1 is being bent in a shape of a U in the direction of the arrows P1 and P2, consequently being fixed symmetrically of the central longitudinal axis 5 in a recess 6 of the brush shank 7 as seen in FIG. 4, what results is a fiber bunch 8 exclusively consisting of fibers that are pointed towards the tip of the brush.
  • FIG. 3 illustrates a brush shank 7 of plastics. A shank 7 of that type may be part of a cosmetic unit, scaled down in FIG. 2; the shank 7 is disposed in the recess 9 of a cap 10 which, by way of an internal thread 11, can be screwed on an external thread 12 of the neck 13 of a cosmetic container 15. The shank 7 combines with the fiber bunch 8 and with the cap 10, which simultaneously constitutes a prolonged handle, the whole forming a brush 14 according to the invention.
  • FIG. 4 is a sectional view of the end portion of a shank 7 of a brush with a bunch of fibers 1 fixed therein. The bunch of fibers 1 is fixed with a drawing force of at least 5N.
  • Alternatively to the geometry shown in FIG. 1, it can also be provided that the fibers 1′ have a cylindrical central section 16, as illustrated in FIG. 5.
  • As can be seen from FIG. 2 and FIG. 4 the bunch 8 of fibers 1 narrows towards the tip.
  • A first section of the fibers 1 is within the recess 6 and has a length L1 and a second section of bristles 1 is outside the recess 6 and has a length L2. The length L1 is about three times longer than the length L2.

Claims (15)

1. A brush for cosmetic- or care-product application to human skin, in particular for lip-cosmetic application, a bunch of fibers being bent in a shape of a U and, in the vicinity of a bight of the U, being fixed in a recess of a shank of the brush, wherein the fibers (1) are pointed towards both tips (2, 3), wherein the bunch of fibers is fixed in a recess (6) of the shank (7) of the brush by anchor-stamping, loop-stamping, melting, gluing, welding, in particular laser-welding, by laser, infrared or ultrasonic welding, puncturing or injection-molding, so that a first section of said fibers is accommodated within said recess and a second section of the fibers extends freely outside said recess wherein the length of said first section being longer than the length of said second section.
2. A brush according to claim 1, wherein the length of said first section is at least twice as long as the length of said second section.
3. A brush according to claim 1, wherein the length of said first section is about three times as long as the length of said second section.
4. A brush according to claim 1, wherein the diameter of the fibers (1), where thickest, amounts to 0.05 mm to 0.30 mm.
5. A brush according to claim 1, wherein, starting in particular from the central sector (2), the fibers (1) taper by an angle of between 0.5° to 15°.
6. A brush according to claim 1, wherein the fibers (1) consist of plastics, preferably PBT, polyester, polyacryl or polyamide.
7. A brush according to claim 1, wherein the length of the fibers (1) is in a range of between 10 mm and 80 mm, preferably of approximately 28 mm.
8. A brush according to claim 1, wherein the modulus of elasticity of the fibers (1) amounts to 1 to 4 GPa.
9. A brush according to claim 1, wherein the shank (7) of the brush consists of plastics.
10. A brush according to claim 9, wherein the diameter of the shank (7) ranges between 2 mm and 10 mm.
11. A brush according to claim 9, wherein the length of the shank (7) ranges between 5 mm and 80 mm.
12. A brush according to claim 1, wherein the number of fiber tips of the brush ranges between 25 and 1000 fibers.
13. A brush according to claim 1, wherein fiber density ranges between 50 and 300 fibers per square millimeter.
14. A brush according to claim 1, wherein the recess (6) has a round, oval or polygonal cross-sectional shape.
15. A brush according to claim 1, wherein the bunch of fibers has an outer shape thus that it narrows at least towards the tip of the bunch.
US11/848,741 2004-02-21 2007-08-31 Brush for cosmetic-or care-product application Abandoned US20070294848A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/848,741 US20070294848A1 (en) 2004-02-21 2007-08-31 Brush for cosmetic-or care-product application

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102004008618.4 2004-02-21
DE102004008618A DE102004008618A1 (en) 2004-02-21 2004-02-21 Brush for applying cosmetic or nourishing products
US11/062,478 US20050183737A1 (en) 2004-02-21 2005-02-22 Brush for cosmetic-or care-product application
US11/848,741 US20070294848A1 (en) 2004-02-21 2007-08-31 Brush for cosmetic-or care-product application

Related Parent Applications (1)

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US11/062,478 Continuation-In-Part US20050183737A1 (en) 2004-02-21 2005-02-22 Brush for cosmetic-or care-product application

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US20070294848A1 true US20070294848A1 (en) 2007-12-27

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US11/062,478 Abandoned US20050183737A1 (en) 2004-02-21 2005-02-22 Brush for cosmetic-or care-product application
US11/848,741 Abandoned US20070294848A1 (en) 2004-02-21 2007-08-31 Brush for cosmetic-or care-product application

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US11/062,478 Abandoned US20050183737A1 (en) 2004-02-21 2005-02-22 Brush for cosmetic-or care-product application

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EP (1) EP1566116A3 (en)
JP (1) JP2005230539A (en)
DE (1) DE102004008618A1 (en)

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US20120134837A1 (en) * 2011-12-19 2012-05-31 General Electric Company Noise reducer for rotor blade in wind turbine
US8414261B2 (en) 2011-05-31 2013-04-09 General Electric Company Noise reducer for rotor blade in wind turbine
US8523515B2 (en) 2010-11-15 2013-09-03 General Electric Company Noise reducer for rotor blade in wind turbine
US8834127B2 (en) 2011-09-09 2014-09-16 General Electric Company Extension for rotor blade in wind turbine
US9494134B2 (en) 2013-11-20 2016-11-15 General Electric Company Noise reducing extension plate for rotor blade in wind turbine
US10180125B2 (en) 2015-04-20 2019-01-15 General Electric Company Airflow configuration for a wind turbine rotor blade
US10465652B2 (en) 2017-01-26 2019-11-05 General Electric Company Vortex generators for wind turbine rotor blades having noise-reducing features
US10746157B2 (en) 2018-08-31 2020-08-18 General Electric Company Noise reducer for a wind turbine rotor blade having a cambered serration
US10767623B2 (en) 2018-04-13 2020-09-08 General Electric Company Serrated noise reducer for a wind turbine rotor blade

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Publication number Priority date Publication date Assignee Title
US8083427B2 (en) * 2006-12-21 2011-12-27 Mary Kay Inc. Cosmetic container with color insert
EP1992251B9 (en) * 2007-05-15 2012-02-29 GEKA GmbH Small cosmetic brush with many bristles for applying make-up
USD692184S1 (en) 2011-11-10 2013-10-22 Mary Kay Inc. Cosmetic container
US9756933B2 (en) 2014-06-26 2017-09-12 Noxell Corporation Processes for manufacturing bristled component for personal-care applicator
US9586360B2 (en) 2014-06-26 2017-03-07 Noxell Corporation Processes for manufacturing personal-care applicator
US10251469B2 (en) 2014-06-26 2019-04-09 Noxell Corporation Personal-care applicator and processes for manufacturing same
US10258140B2 (en) 2014-06-26 2019-04-16 Noxell Corporation Bristled component for personal-care applicator
US10874202B2 (en) 2014-06-26 2020-12-29 Noxell Corporation Processes for manufacturing personal-care applicator
KR200483265Y1 (en) * 2016-11-03 2017-04-21 주식회사 에프에스코리아 Brush having a supporting part
US11751676B2 (en) 2018-09-24 2023-09-12 Lumetique, Inc. Makeup brush

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US4666323A (en) * 1981-06-26 1987-05-19 Milton Kessler Cap and brush assembly and method of forming it
US4841996A (en) * 1985-08-09 1989-06-27 "L'oreal" Applicator device for a liquid product, nail varnish in particular
US5720563A (en) * 1995-04-04 1998-02-24 Ohto Kabushiki Kaisha Cosmetic applicator

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US1180827A (en) * 1913-11-12 1916-04-25 Hugo J Chott Brush.
US2320323A (en) * 1940-07-03 1943-05-25 G G Patent Company Bottle stopper with applicator extension
US2932050A (en) * 1958-08-21 1960-04-12 Weller Brush Company Inc Brush construction
US4666323A (en) * 1981-06-26 1987-05-19 Milton Kessler Cap and brush assembly and method of forming it
US4841996A (en) * 1985-08-09 1989-06-27 "L'oreal" Applicator device for a liquid product, nail varnish in particular
US5720563A (en) * 1995-04-04 1998-02-24 Ohto Kabushiki Kaisha Cosmetic applicator

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8523515B2 (en) 2010-11-15 2013-09-03 General Electric Company Noise reducer for rotor blade in wind turbine
US8414261B2 (en) 2011-05-31 2013-04-09 General Electric Company Noise reducer for rotor blade in wind turbine
US8834127B2 (en) 2011-09-09 2014-09-16 General Electric Company Extension for rotor blade in wind turbine
US20120134837A1 (en) * 2011-12-19 2012-05-31 General Electric Company Noise reducer for rotor blade in wind turbine
US8430638B2 (en) * 2011-12-19 2013-04-30 General Electric Company Noise reducer for rotor blade in wind turbine
US9494134B2 (en) 2013-11-20 2016-11-15 General Electric Company Noise reducing extension plate for rotor blade in wind turbine
US10180125B2 (en) 2015-04-20 2019-01-15 General Electric Company Airflow configuration for a wind turbine rotor blade
US10465652B2 (en) 2017-01-26 2019-11-05 General Electric Company Vortex generators for wind turbine rotor blades having noise-reducing features
US10767623B2 (en) 2018-04-13 2020-09-08 General Electric Company Serrated noise reducer for a wind turbine rotor blade
US10746157B2 (en) 2018-08-31 2020-08-18 General Electric Company Noise reducer for a wind turbine rotor blade having a cambered serration

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Publication number Publication date
EP1566116A2 (en) 2005-08-24
JP2005230539A (en) 2005-09-02
DE102004008618A1 (en) 2005-09-08
US20050183737A1 (en) 2005-08-25
EP1566116A3 (en) 2007-03-21

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