RU2684507C2 - Конфигурации щеточной головки - Google Patents

Конфигурации щеточной головки Download PDF

Info

Publication number
RU2684507C2
RU2684507C2 RU2016141574A RU2016141574A RU2684507C2 RU 2684507 C2 RU2684507 C2 RU 2684507C2 RU 2016141574 A RU2016141574 A RU 2016141574A RU 2016141574 A RU2016141574 A RU 2016141574A RU 2684507 C2 RU2684507 C2 RU 2684507C2
Authority
RU
Russia
Prior art keywords
wall
bristles
retaining ring
brush head
narrowing
Prior art date
Application number
RU2016141574A
Other languages
English (en)
Russian (ru)
Other versions
RU2016141574A (ru
RU2016141574A3 (cg-RX-API-DMAC10.html
Inventor
Эван Дак Вах ДЕНГЛЕР
Грегори Расс ГОДДАРД
Эрик Г. ХАЛСНЕ
Original Assignee
Конинклейке Филипс Н.В.
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 Конинклейке Филипс Н.В. filed Critical Конинклейке Филипс Н.В.
Publication of RU2016141574A publication Critical patent/RU2016141574A/ru
Publication of RU2016141574A3 publication Critical patent/RU2016141574A3/ru
Application granted granted Critical
Publication of RU2684507C2 publication Critical patent/RU2684507C2/ru

Links

Images

Classifications

    • 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
    • A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
    • 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
    • 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
    • A46B3/04—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
    • 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
    • A46B3/20—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed or joined in rubber bodies, e.g. in soft rubber
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0025—Brushes with elastically deformable heads that change shape during use
    • A46B5/0029—Head made of soft plastics, rubber or rubber inserts in plastics matrix
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/06—Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/005—Preparing, i.e. Manufacturing brush bodies by moulding or casting a body around bristles or tufts of bristles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Materials Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Brushes (AREA)
RU2016141574A 2014-03-25 2015-03-24 Конфигурации щеточной головки RU2684507C2 (ru)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US201461970011P 2014-03-25 2014-03-25
US201461970157P 2014-03-25 2014-03-25
US201461970169P 2014-03-25 2014-03-25
US201461970076P 2014-03-25 2014-03-25
US61/970,011 2014-03-25
US61/970,157 2014-03-25
US61/970,076 2014-03-25
US61/970,169 2014-03-25
US201461974760P 2014-04-03 2014-04-03
US61/974,760 2014-04-03
US201462008762P 2014-06-06 2014-06-06
US62/008,762 2014-06-06
US201462025039P 2014-07-16 2014-07-16
US62/025,039 2014-07-16
PCT/IB2015/052145 WO2015145350A1 (en) 2014-03-25 2015-03-24 Brush head arrangements

Publications (3)

Publication Number Publication Date
RU2016141574A RU2016141574A (ru) 2018-04-25
RU2016141574A3 RU2016141574A3 (cg-RX-API-DMAC10.html) 2018-09-18
RU2684507C2 true RU2684507C2 (ru) 2019-04-09

Family

ID=52824512

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2016141574A RU2684507C2 (ru) 2014-03-25 2015-03-24 Конфигурации щеточной головки

Country Status (8)

Country Link
US (5) US10477959B2 (cg-RX-API-DMAC10.html)
EP (5) EP3122206B1 (cg-RX-API-DMAC10.html)
JP (4) JP6669666B2 (cg-RX-API-DMAC10.html)
CN (4) CN106413470B (cg-RX-API-DMAC10.html)
BR (1) BR112016021812A2 (cg-RX-API-DMAC10.html)
PL (2) PL3122209T3 (cg-RX-API-DMAC10.html)
RU (1) RU2684507C2 (cg-RX-API-DMAC10.html)
WO (4) WO2015145340A1 (cg-RX-API-DMAC10.html)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106572741A (zh) * 2014-08-14 2017-04-19 高露洁-棕榄公司 用于流体分配器的施用器
JP6629341B2 (ja) * 2015-05-14 2020-01-15 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ブラシヘッドアセンブリ及び製造方法
US10278485B2 (en) * 2016-09-01 2019-05-07 Colgate-Palmolive Company Oral care implement and filament therefor
GB2555122B (en) * 2016-10-19 2021-01-20 Tung Hing Plastic Manufactory Ltd Improved method of manufacture of hair brush and hair brush made therefrom
FR3065571B1 (fr) * 2017-04-24 2019-07-05 Edap Tms France Procede de refroidissement d'une sonde ultrasonore et sonde incluant un tel refroidissement
CN115715709A (zh) 2017-04-26 2023-02-28 牙科机器人技术集团有限公司 用于刷洗牙齿的咬嘴件
CN107080353A (zh) * 2017-06-10 2017-08-22 冯细平 一种复合毛刷
US11540621B2 (en) 2017-07-12 2023-01-03 Koninklijke Philips N.V. Brush head arrangements
RU2769363C2 (ru) 2017-07-12 2022-03-30 Конинклейке Филипс Н.В. Способ изготовления головки щетки
CN107361869A (zh) * 2017-08-09 2017-11-21 黄炎 一种电动牙刷结构
EP3700388B1 (en) * 2017-10-24 2025-11-05 Koninklijke Philips N.V. Brush head manufacturing method and device
US11497301B2 (en) 2017-10-24 2022-11-15 Koninklijke Philips N.V. Brush head manufacturing methods using a molded tuft carrier and base plate
WO2019091603A1 (en) * 2017-11-07 2019-05-16 Koninklijke Philips N.V. Brush head manufacturing method, and brush head
JP7315552B2 (ja) * 2017-12-12 2023-07-26 コーニンクレッカ フィリップス エヌ ヴェ ブラシヘッド・アセンブリ及びこの製造方法
US20200359779A1 (en) * 2018-02-06 2020-11-19 Koninklijke Philips N.V. Brush head manufacturing methods with protective coatings
USD869855S1 (en) 2018-07-24 2019-12-17 Burst.USA Inc. Toothbrush handle
US10646028B1 (en) * 2019-03-12 2020-05-12 Nathan Quang Huynh Brush assemblies
JP2021007553A (ja) * 2019-06-28 2021-01-28 サンスター株式会社 歯ブラシ
US11801127B2 (en) 2020-04-07 2023-10-31 Maurice Matthew Trentel Method and system for a modular dental device
USD895977S1 (en) * 2020-04-21 2020-09-15 Juanyun Kuang Toothbrush head
USD895976S1 (en) * 2020-04-22 2020-09-15 Xiufeng Li Toothbrush head
USD971611S1 (en) 2020-12-17 2022-12-06 Chunyang Liu Toothbrush head
JP7762891B2 (ja) * 2021-07-07 2025-10-31 株式会社コーワ ブラシ体及びブラシ
CN113796643A (zh) * 2021-08-17 2021-12-17 安徽友川刷业有限公司 一种可拆卸刷毛束与刷座的固定结构及刷毛束的加工工艺
USD961268S1 (en) 2021-09-27 2022-08-23 Chaorui Kuang Toothbrush head
USD968813S1 (en) 2021-09-27 2022-11-08 Chaorui Kuang Toothbrush head
CN114145560B (zh) * 2021-12-08 2023-05-12 深圳市一晤未来科技有限公司 一种刷头组件的制备方法
CN114145561B (zh) * 2021-12-08 2023-05-12 深圳市一晤未来科技有限公司 一种带保持架的刷头的制备方法
USD1041905S1 (en) 2022-04-07 2024-09-17 Ting Cao Toothbrush head
USD965301S1 (en) 2022-04-07 2022-10-04 Shengzhou Li Toothbrush head
USD1054704S1 (en) 2022-04-07 2024-12-24 Ting Cao Brush head
USD970895S1 (en) 2022-04-07 2022-11-29 Shengzhou Li Toothbrush head
WO2024193354A1 (zh) * 2023-03-17 2024-09-26 广州星际悦动股份有限公司 刷头主体、刷头和牙刷
US20250072592A1 (en) * 2023-08-31 2025-03-06 Ashtel Studios, Inc. Brush head bristle configuration
USD1121969S1 (en) 2024-08-06 2026-04-14 Oralic Supplies, Inc. Toothbrush head

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1657299A1 (de) * 1966-05-18 1971-02-11 Leclerc Sa Des Ets Zahnbuerste
WO1997020484A1 (en) * 1995-12-01 1997-06-12 Unilever Plc A toothbrush with flexibly mounted bristles
WO1997049313A1 (de) * 1996-06-27 1997-12-31 M + C Schiffer Gmbh Bürste, insbesondere zahnbürste
US20090038097A1 (en) * 2005-06-09 2009-02-12 Christoph Geiberger Toothbrush
EP2335519A1 (de) * 2001-12-28 2011-06-22 Trisa Holding AG Zahnbürste und Verfahren zur Herstellung einer solchen Zahnbürste

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US459657A (en) * 1891-09-15 August h
US1457055A (en) * 1921-07-23 1923-05-29 Philip J Brewington Float ball
DE459657C (de) * 1927-05-06 1928-05-09 Wilhelm Stollberg Befestigungsvorrichtung fuer Borstenbuendel
US3082457A (en) 1961-05-26 1963-03-26 Florio R Lucibello Self-adapting tufts for brushes
DE1457055B1 (de) * 1965-06-10 1970-09-24 Wessel Walter Jun Verfahren zur Herstellung von Bürsten mit weichem, z.B. aus Gummi bestehenden, einstükigem Bürstenk¦rper
US3378870A (en) 1967-03-22 1968-04-23 Matsunaga Kenji Toothbrush
DE3484093D1 (de) * 1983-11-16 1991-03-14 Philips Corp Verfahren zur herstellung von buersten mit selbstbefestigung der borsten sowie nach diesem verfahren hergestellte buersten.
CN1017212B (zh) * 1988-06-30 1992-07-01 白添发 具软性刷毛之成型式牙刷
JP2741423B2 (ja) * 1990-08-07 1998-04-15 ライオン株式会社 ブラシ
US5378153A (en) 1992-02-07 1995-01-03 Gemtech, Inc. High performance acoustical cleaning apparatus for teeth
DE4302870A1 (de) * 1993-02-02 1994-08-04 Zahoransky Anton Fa Verfahren zum Herstellen von Bürsten und Bürstenherstellungsmaschine
JPH07148019A (ja) * 1993-12-01 1995-06-13 Shiseido Co Ltd ブラッシング圧の調整を可能とした歯ブラシ
DE19506597A1 (de) 1995-02-27 1996-08-29 Coronet Werke Gmbh Borstenware sowie Verfahren und Vorrichtung zu ihrer Herstellung
EP1011375B1 (en) * 1995-07-14 2003-05-21 SmithKline Beecham Consumer Healthcare GmbH Toothbrush
US6408476B1 (en) 1996-01-18 2002-06-25 The Procter & Gamble Company Toothbrush with elastomer filled flexible head
US6036277A (en) * 1996-02-14 2000-03-14 Coronet-Werke Gmbh Method for the manufacture of brushware
JPH09252845A (ja) * 1996-03-22 1997-09-30 Lion Corp ブラシの製造方法
GB9620092D0 (en) * 1996-09-26 1996-11-13 Unilever Plc A brush and method for producing same
GB9703274D0 (en) 1997-02-17 1997-04-09 Unilever Plc A toothbrush with flexibly mounted bristles
AU6203498A (en) 1997-03-27 1998-10-22 Trisa Holding Ag Toothbrush tip
US6035476A (en) 1998-09-10 2000-03-14 Optiva Corporation Brushhead for a toothbrush
DE20006311U1 (de) * 2000-04-06 2001-08-09 G.B. Boucherie N.V., Izegem Vorrichtung zum Befestigen von mit Borstenbüscheln versehenen Plättchen an Bürstenkörpern
JP2002345560A (ja) 2001-05-24 2002-12-03 Kao Corp 歯ブラシ
WO2003017801A1 (fr) * 2001-08-24 2003-03-06 Kao Corporation Procede de fabrication d'une brosse a dents
DE10206493A1 (de) 2002-02-16 2003-08-28 Braun Gmbh Zahnbürste
JP4862242B2 (ja) 2001-09-28 2012-01-25 サンスター株式会社 歯ブラシの製造方法
DE10211391A1 (de) 2002-03-15 2003-10-02 Braun Gmbh Elektrische Zahnbürste und Zahnbürstenkopf hierfür
DE10303548B4 (de) * 2003-01-29 2016-10-20 M + C Schiffer Gmbh Bürste und Verfahren zu deren Herstellung
DE20303934U1 (de) * 2003-03-12 2004-07-22 M + C Schiffer Gmbh Vorrichtung zum Herstellen einer Bürste
KR20050002936A (ko) * 2003-06-26 2005-01-10 김경진 해상 구조물의 파이프 연결용 커플링
GB0317539D0 (en) * 2003-07-25 2003-08-27 Glaxosmithkline Consumer Healt Toothbrush
TWI232975B (en) * 2003-11-18 2005-05-21 Ind Tech Res Inst Release agent for non-substrate liquid crystal display
ES2280859T3 (es) * 2004-05-07 2007-09-16 GLAXOSMITHKLINE CONSUMER HEALTHCARE GMBH & CO KG Cabezal de cepillo.
CN1993066B (zh) 2004-08-03 2010-07-21 荷兰联合利华有限公司 牙刷
US20060272113A1 (en) 2005-06-03 2006-12-07 Cato Stefanie Y Double sided toothbrush for cleaning teeth
DE102005029366B4 (de) * 2005-06-24 2014-01-16 Zahoransky Ag Verfahren und Vorrichtung zum Herstellen von Bürsten sowie danach hergestellte Bürste
JP4816037B2 (ja) * 2005-12-02 2011-11-16 サンスター株式会社 歯ブラシ
DE102006019706A1 (de) 2006-04-27 2007-10-31 Osborn International Gmbh Bürste, insbesonder Streifenbürste, und Verfahren zum Herstellen einer Bürste
JP3131630U (ja) 2007-02-26 2007-05-17 株式会社鳴門屋 ブラシ
KR101374954B1 (ko) * 2007-07-10 2014-03-14 엘지전자 주식회사 마스크리스 노광 장치와 방법, 및 평판 디스플레이 패널의제조 방법
CN201223466Y (zh) 2008-07-21 2009-04-22 叶洪源 一种基于非接触磁耦合的电动牙刷
DE102009009034A1 (de) 2009-02-16 2010-08-19 M + C Schiffer Gmbh Bürste, insbesondere Zahnbürste und Verfahren zu deren Herstellung
DE102009058608B4 (de) * 2009-12-17 2023-02-02 Gb Boucherie Nv Verfahren zum Verbinden von Bürstenkopfplatten mit Bürstenkörpern
JP2012000150A (ja) * 2010-06-14 2012-01-05 Panasonic Electric Works Co Ltd ブラシ体およびこれを備える歯ブラシ
EP2420157B1 (de) 2010-08-18 2016-03-30 Trisa Holding AG Zahnbürste mit Borstenfeldgestaltung
DE102011017099A1 (de) 2011-04-14 2012-10-18 M + C Schiffer Gmbh Verfahren zur Herstellung von Zahnbürsten
EP2534974B1 (en) * 2011-06-15 2015-04-29 Braun GmbH Method for producing a brush head
US9204712B2 (en) 2012-02-24 2015-12-08 Vikan A/S Method of making a hygienic brush head
MX2014015837A (es) * 2012-06-20 2015-03-19 Colgate Palmolive Co Implemento para el cuidado oral y metodo de formacion del mismo.
US9652470B2 (en) * 2013-07-01 2017-05-16 International Business Machines Corporation Storing data in a dispersed storage network
EP2959797A1 (de) * 2014-06-27 2015-12-30 Trisa Holding AG Zahnbürste mit bewegten Elementen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1657299A1 (de) * 1966-05-18 1971-02-11 Leclerc Sa Des Ets Zahnbuerste
WO1997020484A1 (en) * 1995-12-01 1997-06-12 Unilever Plc A toothbrush with flexibly mounted bristles
WO1997049313A1 (de) * 1996-06-27 1997-12-31 M + C Schiffer Gmbh Bürste, insbesondere zahnbürste
EP2335519A1 (de) * 2001-12-28 2011-06-22 Trisa Holding AG Zahnbürste und Verfahren zur Herstellung einer solchen Zahnbürste
US20090038097A1 (en) * 2005-06-09 2009-02-12 Christoph Geiberger Toothbrush

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WO 9720484 A1. *

Also Published As

Publication number Publication date
US20170095322A1 (en) 2017-04-06
US10258443B2 (en) 2019-04-16
EP3122209C0 (en) 2024-03-13
JP6669666B2 (ja) 2020-03-18
CN106132242B (zh) 2019-05-28
US20170095321A1 (en) 2017-04-06
WO2015145340A1 (en) 2015-10-01
EP3682761A1 (en) 2020-07-22
EP3122209A1 (en) 2017-02-01
EP3122207A1 (en) 2017-02-01
WO2015145342A1 (en) 2015-10-01
BR112016021812A2 (pt) 2017-08-15
CN106132241A (zh) 2016-11-16
US10575626B2 (en) 2020-03-03
EP3122206A1 (en) 2017-02-01
US10568411B2 (en) 2020-02-25
JP2017508542A (ja) 2017-03-30
JP2017508536A (ja) 2017-03-30
JP2017508544A (ja) 2017-03-30
US20170105824A1 (en) 2017-04-20
RU2016141574A (ru) 2018-04-25
WO2015145350A1 (en) 2015-10-01
CN106132240B (zh) 2019-09-03
EP3122208B1 (en) 2024-02-07
CN106132240A (zh) 2016-11-16
WO2015145352A1 (en) 2015-10-01
CN106132241B (zh) 2019-06-28
EP3122209B1 (en) 2024-03-13
JP6574193B2 (ja) 2019-09-11
US10477959B2 (en) 2019-11-19
US20170086572A1 (en) 2017-03-30
JP2017512567A (ja) 2017-05-25
PL3122208T3 (pl) 2024-05-27
EP3122206B1 (en) 2020-05-27
US20190192267A1 (en) 2019-06-27
JP6662786B2 (ja) 2020-03-11
CN106413470B (zh) 2019-09-13
EP3122208C0 (en) 2024-02-07
EP3122207B1 (en) 2023-12-13
CN106413470A (zh) 2017-02-15
EP3122207C0 (en) 2023-12-13
CN106132242A (zh) 2016-11-16
PL3122209T3 (pl) 2024-07-01
RU2016141574A3 (cg-RX-API-DMAC10.html) 2018-09-18
EP3122208A1 (en) 2017-02-01

Similar Documents

Publication Publication Date Title
US10568411B2 (en) Brush head arrangements
RU2558335C2 (ru) Устройство для ухода за полостью рта
CN113194786B (zh) 口腔护理器具
CN102740730B (zh) 具有发散清洁元件的口腔护理器具
CN104640478B (zh) 牙缝清洁器
RU2740645C2 (ru) Приспособление для ухода за полостью рта (варианты)
CN107105875B (zh) 口腔护理器具
RU2014101263A (ru) Зубная щетка
JP5970157B2 (ja) 歯ブラシ
RU2689219C1 (ru) Приспособление для ухода за полостью рта
AU2014401875B2 (en) Oral care implement
JP2018515240A (ja) ブラシヘッド構成
CN107105876A (zh) 口腔护理器具
RU2523986C2 (ru) Приспособление для ухода за полостью рта
RU2020104805A (ru) Приспособление для ухода за полостью рта и нить для применения с данным приспособлением
KR20140038542A (ko) 분지형 도포기 가지 및 분지형 가지를 도입한 도포기 브러시 헤드
RU2013137414A (ru) Устройство для ухода за полостью рта
TW201626920A (zh) 口腔保健用具（一）
EP4477112A3 (en) Oral care implement
JP5802437B2 (ja) 歯ブラシ
US11583065B2 (en) Toothbrush
JP7530287B2 (ja) 歯ブラシ