US20050278877A1 - Brush configuration for a powered skin cleansing brush appliance - Google Patents

Brush configuration for a powered skin cleansing brush appliance Download PDF

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Publication number
US20050278877A1
US20050278877A1 US10873584 US87358404A US2005278877A1 US 20050278877 A1 US20050278877 A1 US 20050278877A1 US 10873584 US10873584 US 10873584 US 87358404 A US87358404 A US 87358404A US 2005278877 A1 US2005278877 A1 US 2005278877A1
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US
Grant status
Application
Patent type
Prior art keywords
bristle
bristles
brush
portion
skin
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
US10873584
Inventor
Robert Akridge
Kenneth Pilcher
David Schumaker
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.)
PACIFIC BIOSCIENCE LABORATORIES Inc
Original Assignee
PACIFIC BIOSCIENCE LABORATORIES Inc
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

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Classifications

    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B13/00Brushes with driven brush bodies or carriers
    • A46B13/02Brushes with driven brush bodies or carriers power-driven carriers
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B13/00Brushes with driven brush bodies or carriers
    • A46B13/008Disc-shaped brush bodies
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K7/00Body washing or cleaning implements
    • A47K7/04Mechanical washing or cleaning devices, hand or mechanically, i.e. power operated
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B2200/00Brushes characterized by their functions, uses or applications
    • A46B2200/10For human or animal care
    • A46B2200/1006Brushes for cleaning the hand or the human body

Abstract

The bristle arrangement includes a first brush portion which has a first set of bristles, the first brush portion being arranged in an annular configuration, and remains stationary in operation of the appliance. The bristle arrangement also includes a second brush portion which has a second set of bristles, wherein the second brush portion oscillates at a selected frequency. The second set of bristles has a circular arrangement, fitting within the opening of the annular arrangement of the first set of bristles. The first and second sets of bristles have a diameter within the range of 3 mils to 5 mils, and a length in the range of 0.3 to 0.425 inches. The first bristle set includes 40 to 100 bristle tufts and the second bristle set includes 40 to 120 bristle tufts, which are substantially evenly spread, respectively.

Description

    TECHNICAL FIELD
  • [0001]
    This invention relates generally to powered skin cleansing brushes and more specifically to bristle arrangements for use in such a skin cleansing brush.
  • BACKGROUND OF THE INVENTION
  • [0002]
    In a skin cleansing brush, particularly a powered brush which is constructed such that a portion of the brushhead and the bristles thereon remain stationary while another portion thereof oscillates, a number of factors are important for good cleansing action. The ability of the powered skin cleansing brush to effectively and safely function, including in addition to cleansing, exfoliation and increasing the absorption of various skin formulations, is significantly affected by the bristle morphology and bristle arrangement of the brush.
  • [0003]
    In some existing arrangements, the skin will be ineffectively cleansed, with little or no sense of cleansing by the user, while in other cases, the skin may be overly cleansed with a mild sensation of abrasion, which is undesirable.
  • [0004]
    Many design considerations contribute to overall effectiveness of a skin cleansing brush, including bristle length and diameter, and bristle material, as well as the overall bristle arrangement, including the number of bristle tufts in a given area and the number of bristles per tuft. It is important to select and arrange these various bristle considerations to provide the desired result of effective cleansing, accompanied by an actual sensation or feeling of cleanliness, but without discomfort. In certain applications, this will also include an increased ability of the skin to absorb selected skin formulations; while in another application, the effectiveness of shaving cream is enhanced.
  • SUMMARY OF THE INVENTION
  • [0005]
    Accordingly, the present invention is a bristle arrangement for a powered skin cleaning brush, comprising: a first brush portion which includes a first set of bristles with the first brush portion remaining stationary in operation; a second brush portion which includes a second set of bristles, the second brush portion oscillating when the device is in operation, wherein the first and second sets of bristles are within the range of 3 to 5 mils in diameter and 0.3 to 0.5 inches in length, and wherein the first brush portion includes approximately 40 to 100 bristle tufts and the second set of bristles includes 40 to 120 bristle tufts, spaced over the area of the brushhead.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • [0006]
    FIG. 1 is a top view of skin care appliance with a brushhead having bristles of selected characteristics.
  • BEST MODE FOR CARRYING OUT THE INVENTION
  • [0007]
    FIG. 1 shows an example of a hand held power skin care appliance 10 which is useful in facial skin care applications. The appliance includes a large brushhead 12, which in one embodiment is approximately 1.6 inches in diameter and a driving system 15. The brushhead includes two portions, an outer annular-shaped portion 14 comprising two concentric rings of bristle tufts and a circular inner portion 16 comprising a significant number of spaced bristle tufts, sufficient to cover the annular opening defined by the outer bristle portion. In the embodiment shown, there is a gap or space between the inner and outer brushhead portions, in the range of 0.125-0.050 inches, preferably 0.084 inches. In operation of the appliance, outer bristle portion 14 remains stationary, while inner bristle portion 16 oscillates through a specified angle. In one embodiment the angle is within the range of 8° to 26°, although this can be varied, depending upon the particular application.
  • [0008]
    The structure of such a brushhead, apart from the bristles, is shown and described in co-pending application titled “Oscillating Brushhead Attachment System for Personal Care Appliance”. An example of an appliance, including a drive system for such a brushhead, is shown and described in co-pending application titled “Motor Providing Oscillating Action for a Personal Care Appliance”. Both of the above applications are owned by the same assignee as the present invention, and are hereby incorporated by reference.
  • [0009]
    The brushhead bristle arrangement shown and described herein, used in the appliance/brushhead disclosed in the above applications is effective for skin cleaning applications, particularly facial skin. The present brushhead bristle arrangement can also be used in other skin care applications, however, as discussed in the above applications, including acne and black head treatment, athlete's foot treatment, callused skin and psoriasis, razor bumps and related skin applications, wound cleansing and treatment of slow or non-healing wounds, scalp cleaning, chemical peel procedures and shaving cream applications. Preferred bristle configurations and arrangements will differ somewhat depending upon the particular application.
  • [0010]
    The following description concerns a brushhead/bristle arrangement for facial skin cleansing. It includes desired ranges of selected bristle characteristics and tufting, including the diameter of the bristles, the length of the bristles and the bristle material. The brushhead/bristle arrangement also takes into account the necessary time for the brush to dry, which must be fast enough to reduce microbial growth. The rate of drying is dependent upon both the number of bristles per tuft and the number of tufts in a given area. A brush may dry efficiently, but not have the ability to cleanse effectively, as well as cleanse effectively but not dry fast enough.
  • [0011]
    The optimum ranges for the important bristle characteristics and tufting requirements in order to provide the best performance and cleansing feel/impression depend to an extent upon the energy generated by the appliance which depends in turn upon both frequency and amplitude of bristle movement. In the embodiment shown, the frequency of brushhead movement will be within the range of 120-220 Hz. For a facial brush, the length of the bristles using a Tynex (DuPont) type bristle will be between 0.3 inches and 0.425 inches with a desired diameter of approximately 3 mils. For applications other than facial cleansing, such as those mentioned above, the diameter of the nylon bristles can be increased up to 5 mils, with the length remaining the same or slightly longer.
  • [0012]
    It has been discovered that generally, bristles with diameters less than 3 mils are difficult to connect reliably into a bristle base element. Further, bristles with a diameter greater than 5 mils produced discomfort in most users, although in some applications, a bristle diameter of greater than 5 mils, for particular applications such as aggressive foot cleansing, are appropriate.
  • [0013]
    With SuperSoft (DuPont) bristles, the ranges are slightly different, with the length of the bristles again being approximately 0.3 to 0.425 inches, while the diameter of the bristles can vary between 3 and 4 mils. For brush applications other than a facial cleansing application, the length of the bristles is approximately the same, in some cases slightly shorter for more aggressive applications and slightly longer for gentler applications, while the diameter of the bristles can be between 3 and 5 mils.
  • [0014]
    Relative to effective drying, the general range for the number of tufts is 40-100 in the outer brushhead portion and 40-120 in the inner brushhead portion. The preferred range is 60-90 for the outer brushhead portion and 70-110 for the inner brushhead portion, with 80 and 96 being optimal. The tufts should be evenly spaced.
  • [0015]
    Hence, particular characteristics of bristles are important (diameter and length) relative to effective skin cleansing, such as facial cleansing. Further, by maintaining the number of bristles in a particular tuft and the number of tufts in the movable brushhead portion within selected ranges, the overall brush can dry sufficiently fast to reduce microbial growth while at the same time cleansing effectively without harm or discomfort to the user.
  • [0016]
    Although a preferred embodiment of the invention has been disclosed here for purposes of illustration, it should be understood that various changes, modifications and substitutions may be incorporated in the embodiment without departing from the spirit of the invention, which is defined by the claims which follow.

Claims (6)

  1. 1. A bristle arrangement for a powered skin cleaning appliance, comprising:
    a first brush portion which includes a first set of bristles with the first brush portion remaining stationary in operation; a second brush portion which includes a second set of bristles, the second brush portion oscillating when the appliance is in operation, wherein the first and second sets of bristles are within the range of 3 to 5 mils in diameter and 0.3 to 0.5 inches in length, and wherein the first brush portion includes approximately 40 to 100 bristle tufts and the second set of bristles includes 40 to 120 bristle tufts, spaced over the area of the brushhead.
  2. 2. The bristle arrangement of claim 1, including a space between the first set of bristles and the second set of bristles, within the range of 0.050-0.125 inches.
  3. 3. The bristle arrangement of claim 1, wherein the preferred range for the number of bristle tufts is 60 to 90 in the first brush portion and 70 to 110 in the second brush portion.
  4. 4. The bristle arrangement of claim 1, wherein the preferred number of bristle tufts in the first and second sets of bristles is 80 and 96, respectively.
  5. 5. The bristle arrangement of claim 1, wherein the first brush portion is annular in configuration and includes a plurality of rings of bristle tufts, and wherein the second brush portion is circular and fits within the annular opening of the first brush portion, wherein the first and second sets of bristles, respectively, are substantially evenly spaced.
  6. 6. The bristle arrangement of claim 1, wherein the diameter of the bristles is approximately in the range of 3-4 mils.
US10873584 2004-06-22 2004-06-22 Brush configuration for a powered skin cleansing brush appliance Abandoned US20050278877A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10873584 US20050278877A1 (en) 2004-06-22 2004-06-22 Brush configuration for a powered skin cleansing brush appliance

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US10873584 US20050278877A1 (en) 2004-06-22 2004-06-22 Brush configuration for a powered skin cleansing brush appliance
JP2007518187A JP4944777B2 (en) 2004-06-22 2005-06-21 Brush arrangement for a powered skin cleaning brush implement
EP20050762349 EP1765113B1 (en) 2004-06-22 2005-06-21 Brush configuration for a power skin cleaning brush appliance
PCT/US2005/021831 WO2006002109A9 (en) 2004-06-22 2005-06-21 Brush configuration for a power skin cleaning brush appliance
CN 200580020538 CN100531618C (en) 2004-06-22 2005-06-21 Brush configuration for a powered skin cleansing brush appliance
CA 2586180 CA2586180C (en) 2004-06-22 2005-06-21 Brush configuration for a powered skin cleansing brush appliance

Publications (1)

Publication Number Publication Date
US20050278877A1 true true US20050278877A1 (en) 2005-12-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
US10873584 Abandoned US20050278877A1 (en) 2004-06-22 2004-06-22 Brush configuration for a powered skin cleansing brush appliance

Country Status (6)

Country Link
US (1) US20050278877A1 (en)
EP (1) EP1765113B1 (en)
JP (1) JP4944777B2 (en)
CN (1) CN100531618C (en)
CA (1) CA2586180C (en)
WO (1) WO2006002109A9 (en)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070142845A1 (en) * 2005-12-21 2007-06-21 Akridge Robert E Method for enhancing the shaving process for humans using an oscillating skin brush
WO2009088463A1 (en) 2008-01-04 2009-07-16 Pacific Bioscience Laboratories, Inc. System for treatment of skin conditions using at least one narrow band light source in a skin brush having an oscillating brushhead
US20090306577A1 (en) * 2008-06-09 2009-12-10 Pacific Bioscience Laboratories, Inc. Sonic applicator for skin formulations
US8558430B2 (en) 2010-08-19 2013-10-15 Braun Gmbh Resonant motor unit and electric device with resonant motor unit
US8631532B2 (en) 2011-07-25 2014-01-21 Braun Gmbh Oral hygiene device
US20140173838A1 (en) * 2012-12-20 2014-06-26 Brushpoint Innovations Inc Brush head for an electric toothbrush
WO2014207503A1 (en) * 2013-06-24 2014-12-31 L'oreal Brushhead for skin brush appliance
US20150182415A1 (en) * 2013-12-31 2015-07-02 John David Olkowski Eyelid Care Appliance
WO2015102743A1 (en) * 2013-12-31 2015-07-09 L'oreal Shear-induced dermal infusion
US9099939B2 (en) 2011-07-25 2015-08-04 Braun Gmbh Linear electro-polymer motors and devices having the same
US9154025B2 (en) 2010-07-23 2015-10-06 Braun Gmbh Personal care device
US9226808B2 (en) 2011-07-25 2016-01-05 Braun Gmbh Attachment section for an oral hygiene device
WO2016025702A1 (en) * 2014-08-13 2016-02-18 Nse Products, Inc. Device and method for cleansing and treating skin
US9301657B2 (en) 2013-12-30 2016-04-05 L'oreal Skin care device with integrated cleanser
USD753400S1 (en) 2013-11-20 2016-04-12 Conair Corporation Combined facial brush with digital display and base
US9351559B2 (en) 2014-04-29 2016-05-31 Elc Management Llc Powered skin care device
WO2016116623A1 (en) * 2015-01-22 2016-07-28 Frohwitter Jens-Christian Device for the ultrasound treatment of open wounds
USD764173S1 (en) * 2014-09-10 2016-08-23 Thomas Nichols Handheld motorized facial brush having pivoting, floating head with charging stand
US9596928B2 (en) 2014-04-29 2017-03-21 Elc Management Llc Powered skin care device
USD782197S1 (en) 2015-08-13 2017-03-28 Nse Products, Inc. Treatment brush head
US9730758B2 (en) 2013-12-19 2017-08-15 Conair Corporation Skin treatment apparatus
US9814295B2 (en) 2014-08-26 2017-11-14 Freshceuticals, Inc. Consumer products applicator and related methods
KR101808371B1 (en) 2011-04-07 2017-12-14 켄지 나카무라 Make-up filament, make-up brush material using same filament, make-up brush using same material
US9956001B2 (en) 2015-12-28 2018-05-01 Dominique Calhoun Dermal abrasion system

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EP2550892A1 (en) * 2011-07-23 2013-01-30 Braun GmbH Skin treatment device
WO2013132363A1 (en) * 2012-03-09 2013-09-12 Telefield Limited Skin cleansing apparatus and attachments
KR101240995B1 (en) * 2012-06-20 2013-03-11 (주)아모레퍼시픽 Beauty treatment apparatus having gear module for decelerating rotational speed
US9107486B2 (en) * 2013-04-12 2015-08-18 L'oreal Exfoliating brush head for a personal care appliance
US9750533B2 (en) 2013-04-12 2017-09-05 L'oreal Exfoliating head for a personal care appliance
KR101385515B1 (en) * 2013-05-31 2014-04-16 (주)아모레퍼시픽 Skin washing machine having cosmetic brush of pbt quality
KR200474312Y1 (en) 2013-07-10 2014-09-04 이영환 Make-up brush with brush unit
KR101406077B1 (en) * 2013-08-02 2014-06-13 (주)아모레퍼시픽 A Divece for face washing having brush hair assembly using Separation/Attachment
GB201519041D0 (en) * 2015-10-28 2015-12-09 Bamotra Maninder S Rotating concave shave brush with splash and drip control

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US4158246A (en) * 1977-09-07 1979-06-19 Disston, Inc. Portable cordless scrubber
US5032313A (en) * 1989-03-07 1991-07-16 Chisso Corporation Trifluorobenzene derivative and liquid crystal composition containing the same
US5186627A (en) * 1991-05-01 1993-02-16 Noah Amit Hand-actuated rotatable toothbrush
US5467495A (en) * 1992-01-24 1995-11-21 Braun Aktiengesellschaft Brush for an electrically powered toothbrush
US6021538A (en) * 1995-06-24 2000-02-08 Braun Aktiengesellschaft Brush section for an electric toothbrush
US5891063A (en) * 1997-04-03 1999-04-06 Vigil; Arlene Skin rejuvinating system
US6363565B1 (en) * 1999-01-12 2002-04-02 Braun Gmbh Brush arrangement and toothbrush with brush arrangement
US6836917B2 (en) * 2001-05-07 2005-01-04 The Procter & Gamble Company Replaceable head electric toothbrush and connection structure therefor
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US20050199265A1 (en) * 2002-09-11 2005-09-15 The Procter & Gamble Company Stain-removal brush

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070142845A1 (en) * 2005-12-21 2007-06-21 Akridge Robert E Method for enhancing the shaving process for humans using an oscillating skin brush
US7789092B2 (en) * 2005-12-21 2010-09-07 Pacific Bioscience Laboratories, Inc. Method for enhancing the shaving process for humans using an oscillating skin brush
WO2009088463A1 (en) 2008-01-04 2009-07-16 Pacific Bioscience Laboratories, Inc. System for treatment of skin conditions using at least one narrow band light source in a skin brush having an oscillating brushhead
JP2011509113A (en) * 2008-01-04 2011-03-24 パシフィック・バイオサイエンス・ラボラトリーズ・インコーポレーテッド System for the treatment of skin diseases using at least one narrow band light source in skin brush with a brush head which oscillates
US20090306577A1 (en) * 2008-06-09 2009-12-10 Pacific Bioscience Laboratories, Inc. Sonic applicator for skin formulations
US9154025B2 (en) 2010-07-23 2015-10-06 Braun Gmbh Personal care device
US8558430B2 (en) 2010-08-19 2013-10-15 Braun Gmbh Resonant motor unit and electric device with resonant motor unit
KR101808371B1 (en) 2011-04-07 2017-12-14 켄지 나카무라 Make-up filament, make-up brush material using same filament, make-up brush using same material
US8631532B2 (en) 2011-07-25 2014-01-21 Braun Gmbh Oral hygiene device
US9226808B2 (en) 2011-07-25 2016-01-05 Braun Gmbh Attachment section for an oral hygiene device
US9387059B2 (en) 2011-07-25 2016-07-12 Braun Gmbh Oral cleaning tool for an oral hygiene device
US9099939B2 (en) 2011-07-25 2015-08-04 Braun Gmbh Linear electro-polymer motors and devices having the same
US9332828B2 (en) 2012-12-20 2016-05-10 Brushpoint Innovations Inc. Brush head for an electric toothbrush
US9131765B2 (en) * 2012-12-20 2015-09-15 Brushpoint Innovations Inc Brush head for an electric toothbrush
US20140173838A1 (en) * 2012-12-20 2014-06-26 Brushpoint Innovations Inc Brush head for an electric toothbrush
WO2014207503A1 (en) * 2013-06-24 2014-12-31 L'oreal Brushhead for skin brush appliance
USD753400S1 (en) 2013-11-20 2016-04-12 Conair Corporation Combined facial brush with digital display and base
US9730758B2 (en) 2013-12-19 2017-08-15 Conair Corporation Skin treatment apparatus
US9301657B2 (en) 2013-12-30 2016-04-05 L'oreal Skin care device with integrated cleanser
US20150182415A1 (en) * 2013-12-31 2015-07-02 John David Olkowski Eyelid Care Appliance
WO2015102743A1 (en) * 2013-12-31 2015-07-09 L'oreal Shear-induced dermal infusion
US9351559B2 (en) 2014-04-29 2016-05-31 Elc Management Llc Powered skin care device
US9596928B2 (en) 2014-04-29 2017-03-21 Elc Management Llc Powered skin care device
WO2016025702A1 (en) * 2014-08-13 2016-02-18 Nse Products, Inc. Device and method for cleansing and treating skin
USD778065S1 (en) 2014-08-13 2017-02-07 Nse Products, Inc. Treatment brush head
US9814295B2 (en) 2014-08-26 2017-11-14 Freshceuticals, Inc. Consumer products applicator and related methods
USD764173S1 (en) * 2014-09-10 2016-08-23 Thomas Nichols Handheld motorized facial brush having pivoting, floating head with charging stand
DE102015201092B4 (en) * 2015-01-22 2016-10-06 Jens-Christian Frohwitter Apparatus and system for ultrasonic treatment of open wounds
DE102015201092A1 (en) 2015-01-22 2016-07-28 Jens-Christian Frohwitter Apparatus and system for ultrasonic treatment of open wounds
WO2016116623A1 (en) * 2015-01-22 2016-07-28 Frohwitter Jens-Christian Device for the ultrasound treatment of open wounds
USD782197S1 (en) 2015-08-13 2017-03-28 Nse Products, Inc. Treatment brush head
US9956001B2 (en) 2015-12-28 2018-05-01 Dominique Calhoun Dermal abrasion system

Also Published As

Publication number Publication date Type
CN100531618C (en) 2009-08-26 grant
EP1765113A4 (en) 2012-04-18 application
WO2006002109A2 (en) 2006-01-05 application
EP1765113B1 (en) 2016-03-23 grant
WO2006002109A9 (en) 2011-08-11 application
CN1972612A (en) 2007-05-30 application
CA2586180C (en) 2013-08-13 grant
CA2586180A1 (en) 2006-01-05 application
JP2008503324A (en) 2008-02-07 application
JP4944777B2 (en) 2012-06-06 grant
WO2006002109A3 (en) 2006-10-26 application
EP1765113A2 (en) 2007-03-28 application

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