WO2008155025A1 - Bürstenkopf für eine zahnbürste - Google Patents
Bürstenkopf für eine zahnbürste Download PDFInfo
- Publication number
- WO2008155025A1 WO2008155025A1 PCT/EP2008/004476 EP2008004476W WO2008155025A1 WO 2008155025 A1 WO2008155025 A1 WO 2008155025A1 EP 2008004476 W EP2008004476 W EP 2008004476W WO 2008155025 A1 WO2008155025 A1 WO 2008155025A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brush
- valve
- brush head
- disc
- tube
- Prior art date
Links
- JAPMJSVZDUYFKL-UHFFFAOYSA-N C1C2C1CCC2 Chemical compound C1C2C1CCC2 JAPMJSVZDUYFKL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
-
- 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
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/36—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with rinsing means
-
- 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
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/225—Handles or details thereof
- A61C17/227—Handles or details thereof with reservoirs, e.g. for toothpaste
-
- 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
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3436—Rotation around the axis perpendicular to the plane defined by the bristle holder
Definitions
- the invention relates to a brush head for a toothbrush, which has a brush disc rotatably mounted in a brush body and an opening for applying a care agent.
- the invention is therefore based on the object to provide a simply constructed brush head having a rotatably mounted brush disc and a channel with an opening for applying a care product, in which the above-mentioned difficulties are avoided.
- the brush head on a composite part having at its one end a closing device, which preferably consists of an elastic material, and is designed for example as a slit valve, and which is connected at its other end with a channel through which a Care products can be promoted.
- This end preferably consists of a tubular sleeve made of hard material, which is suitable as a pivot bearing for the brush disc.
- the brush head may be part of a brush, which can be plugged onto a handpiece of a toothbrush, or else be part of a toothbrush, in which only the brush disc is replaceable.
- the composite part is fixedly connected to a brush body of the brush head, in which the channel is designed for conveying the care agent.
- the brush head is intended for a toothbrush having a reservoir for receiving liquid or pasty mouth-treatment agents.
- These may be teeth cleansing agents and, in general, oral cavity cleansing and care products, for example, caries prevention, gum and inflammation treatment, reduction of bad breath, bleaching or whitening of teeth, re-mineralization of hard tooth tissue, desensitization of sensitive teeth, or the like for other applications.
- These care products are conveyed through a channel to the brush disc and discharged through the valve.
- the care product can be filled in replaceable bags or cartridges and housed in the handpiece.
- the promotion of the care product is preferably carried out via a pump which is either manually operated by the user or for example driven by an electric
- valve at the outlet of the canal.
- This valve is part of a composite part made of two components.
- the component which projects beyond the brush disc is made of an elastic material.
- This material may come from the group of elastomers (e.g., rubber compounds, silicones, NBR or EPDM) or specifically thermoplastic elastomers (TPE).
- TPE thermoplastic elastomers
- a hard material is used to secure the valve securely and seal against the brush body.
- the elastic valve is made of rubber and the second component of steel and firmly connected by a vulcanization process.
- the withdrawal forces of the rubber from the steel can be set so high that even at high stress the rubber does not detach from the steel, but tears in itself.
- the same can be achieved with a composite part made in a two-component injection molding process consisting of a hard plastic and a TPE.
- the composite part is preferably executed at its one end as a steel tube through which the care agent can be conveyed through.
- the steel tube is immovably anchored at one end in the brush body.
- the flexible valve is arranged at the other end of the steel pipe or composite part.
- the elastic valve 12 is preferably located within the metal tube 8, so that the outer cylindrical surface of the metal tube can serve as a tread for the brush disc.
- a metal sleeve 9 is pressed into the bore of the brush disc 3, so that metal runs on metal and also under the influence of toothpaste as little as possible wear occurs. Since metal parts can be produced very accurately, a very precise clearance fit can be achieved at low cost.
- the composite part 6 of two components is preferably in the brush body 2 in the channel 7, through which the dental care substance is conveyed, pressed. Should it ever come to a release of the composite part of the press fit, it is still held by the brush disc 3 in its position and is thus secured against falling out.
- metal tube 8 in the hole in the brush body 2 metal tube 8 and 7 channel are tightly interconnected. Additional parts such as sealing O-rings are not necessary.
- the front side of the brush disc is secured in one direction by parallel contact surfaces as a stop in the direction of the brush body.
- These contact surfaces are multi-level.
- the surface 16 is supported below the bore of the brush disc against the metal tube.
- the surface 17 next and then the surface 18 touches the corresponding mating surfaces on the brush body 2.
- these surfaces use one after the other in the order from the smallest friction radius 16 to the largest 18. This ensures that a new brush has the lowest friction losses and thus the best performance. Only with increasing life, the friction losses in the system increase slightly. Falling off of the brush disc in the other direction is prevented by a turned into the brush body locking pin made of metal 10.
- FIG. 1 shows a replaceable replacement brush for an electric toothbrush with a brush body 2 and a movable brush disc 3, which is provided in a conventional manner with cleaning elements 4, 5.
- Fig. 2 shows a brush head with the brush body 2, on which the brush disk 3 is mounted.
- a hammered locking pin 10 secures the disc 3 against loosening.
- Fig. 3 shows a cross section through a brush head.
- the care agent is conveyed through the replacement brush in a channel 7. From there, the care agent is conveyed through a metal tube 8 in the flexible valve 12, where it can escape through a slot 13.
- the metal tube 8 is pressed into the brush body 2.
- the valve 12 passes through a bore in the brush disk 3 in which bristle tufts 4 and flexible elements 5 are mounted.
- the brush disk 3 is mounted on the brush body 2. Axially, the brush disc 3 is secured by a locking pin 10 against loosening.
- As a running surface for the rotation of the brush disc is a metal sleeve 9, which is pressed into the bore of the brush disc 3.
- the metal sleeve 9 forms together with the metal tube 8 of the valve the bearing for the brush disc 3.
- the axial contact surface of the brush disc 3 against the brush body 2 with the smallest friction radius is the surface 16, then comes next the surface 17 in contact.
- a drive element 11 can put the brush disk in a preferably oscillating rotating movement.
- Fig. 4 shows the composite part 6 consisting of steel pipe 8 and flexible valve 12 with a slot 13 for the outlet of the care agent. Due to the elasticity of the flexible material of this slot 13 is normally closed and opens only when pressure is applied from the inside. Thus, the valve acts as a check valve, which opens only in one direction.
- Fig. 5 shows the composite part 6 in section with steel tube 8 and elastic valve 12 and slot thirteenth
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200880020011.9A CN101702877B (zh) | 2007-06-20 | 2008-06-05 | 用于牙刷的刷头 |
EP08759031A EP2157934A1 (de) | 2007-06-20 | 2008-06-05 | Bürstenkopf für eine zahnbürste |
CA2690544A CA2690544A1 (en) | 2007-06-20 | 2008-06-05 | Brush head for a toothbrush |
US12/663,913 US8458841B2 (en) | 2007-06-20 | 2008-06-05 | Brush head for a toothbrush |
JP2010511527A JP2010529872A (ja) | 2007-06-20 | 2008-06-05 | 歯ブラシ用ブラシヘッド |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007028184.8 | 2007-06-20 | ||
DE102007028184A DE102007028184A1 (de) | 2007-06-20 | 2007-06-20 | Bürstenkopf für eine Zahnbürste |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008155025A1 true WO2008155025A1 (de) | 2008-12-24 |
Family
ID=39737640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/004476 WO2008155025A1 (de) | 2007-06-20 | 2008-06-05 | Bürstenkopf für eine zahnbürste |
Country Status (7)
Country | Link |
---|---|
US (1) | US8458841B2 (de) |
EP (1) | EP2157934A1 (de) |
JP (1) | JP2010529872A (de) |
CN (1) | CN101702877B (de) |
CA (1) | CA2690544A1 (de) |
DE (1) | DE102007028184A1 (de) |
WO (1) | WO2008155025A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011020730A1 (en) | 2009-08-19 | 2011-02-24 | Unilever Nv | A process for cleaning teeth |
US8444416B2 (en) | 2005-04-26 | 2013-05-21 | Braun Gmbh | Valves for personal care devices |
US8458841B2 (en) | 2007-06-20 | 2013-06-11 | Braun Gmbh | Brush head for a toothbrush |
US8685174B2 (en) | 2009-08-19 | 2014-04-01 | Conopco, Inc. | Process for cleaning hard surfaces |
US8910889B2 (en) | 2009-08-19 | 2014-12-16 | Conopco, Inc. | Process and a device to clean substrates |
IT202000012103A1 (it) * | 2020-05-22 | 2021-11-22 | Werkcam S R L | Valvola di erogazione di dentifricio per uno spazzolino da denti |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120124759A1 (en) * | 2010-11-19 | 2012-05-24 | Braun Gmbh | Oral Care Implement |
USD775469S1 (en) * | 2013-08-14 | 2017-01-03 | Braun Gmbh | Toothbrush head |
CA2932115C (en) | 2013-12-24 | 2018-08-14 | Braun Gmbh | Personal hygiene implement |
WO2016024980A1 (en) * | 2014-08-14 | 2016-02-18 | Colgate-Palmolive Company | Applicator for a fluid dispenser |
US20160166032A1 (en) * | 2014-12-16 | 2016-06-16 | L'oreal | Single-use hair coloring appliance |
WO2016185162A1 (en) * | 2015-05-15 | 2016-11-24 | Dyson Technology Limited | Cleaning appliance |
GB2555449B (en) | 2016-10-28 | 2020-04-22 | Dyson Technology Ltd | Cleaning appliance |
DE102016124212B4 (de) * | 2016-12-13 | 2022-05-12 | Ferton Holding S.A. | Mischkammer und Handstück |
KR200486609Y1 (ko) * | 2017-03-23 | 2018-06-11 | 주식회사 엘지생활건강 | 치약 내장형 칫솔 |
CN109497870A (zh) * | 2018-12-06 | 2019-03-22 | 奥佳华智能健康科技集团股份有限公司 | 一种洁面刷机芯及洁面刷 |
CN109846190A (zh) * | 2019-03-19 | 2019-06-07 | 深圳市沃特沃德股份有限公司 | 防污染组件及电动牙刷 |
CN109893276A (zh) * | 2019-03-19 | 2019-06-18 | 深圳市沃特沃德股份有限公司 | 牙膏盒、牙膏盒固定结构及电动牙刷 |
EP3725264A1 (de) * | 2019-04-16 | 2020-10-21 | Koninklijke Philips N.V. | Hydraulisch angetriebene bürsten-interdentalstrahl-kombination |
USD962649S1 (en) * | 2020-09-17 | 2022-09-06 | Jian Feng | Toothbrush head |
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US8444416B2 (en) | 2005-04-26 | 2013-05-21 | Braun Gmbh | Valves for personal care devices |
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US8910889B2 (en) | 2009-08-19 | 2014-12-16 | Conopco, Inc. | Process and a device to clean substrates |
IT202000012103A1 (it) * | 2020-05-22 | 2021-11-22 | Werkcam S R L | Valvola di erogazione di dentifricio per uno spazzolino da denti |
Also Published As
Publication number | Publication date |
---|---|
US8458841B2 (en) | 2013-06-11 |
EP2157934A1 (de) | 2010-03-03 |
JP2010529872A (ja) | 2010-09-02 |
DE102007028184A1 (de) | 2008-12-24 |
CA2690544A1 (en) | 2008-12-24 |
CN101702877B (zh) | 2013-08-07 |
CN101702877A (zh) | 2010-05-05 |
US20100269279A1 (en) | 2010-10-28 |
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