EP0910259A1 - Appareil d'hygiene bucco-dentaire a piece de nettoyage rempla able - Google Patents

Appareil d'hygiene bucco-dentaire a piece de nettoyage rempla able

Info

Publication number
EP0910259A1
EP0910259A1 EP97930373A EP97930373A EP0910259A1 EP 0910259 A1 EP0910259 A1 EP 0910259A1 EP 97930373 A EP97930373 A EP 97930373A EP 97930373 A EP97930373 A EP 97930373A EP 0910259 A1 EP0910259 A1 EP 0910259A1
Authority
EP
European Patent Office
Prior art keywords
head
disc
opening
care device
dental care
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.)
Granted
Application number
EP97930373A
Other languages
German (de)
English (en)
Other versions
EP0910259B1 (fr
Inventor
Georg Weihrauch
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.)
Coronet Werke GmbH
Original Assignee
Coronet Werke 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 Coronet Werke GmbH filed Critical Coronet Werke GmbH
Publication of EP0910259A1 publication Critical patent/EP0910259A1/fr
Application granted granted Critical
Publication of EP0910259B1 publication Critical patent/EP0910259B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers
    • A46B7/042—Clip or snap connection for bristle carriers
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers

Definitions

  • the invention relates to a dental care device with a handle, a head and a care part which can be latched in a recess of the same, which can be ejected by means of a resilient pressure piece arranged on the back of the head, which acts on the back of the care part when pressure is applied.
  • Dental care devices of the aforementioned type are particularly common as toothbrushes, which is why only these are discussed below. Equally, this includes devices that are used exclusively for massage of the gums or for the care of the interdental spaces.
  • Toothbrushes are needed far more often than all other types of brushes. The reason is the frequent use for proper dental care (up to three times a day) and the resulting rapid Wear. In addition, the toothbrush should be replaced even with relatively little wear, which would be acceptable with other brushes, in order to always ensure optimal effectiveness.
  • toothbrushes must be usable as intended by people of all ages and all levels of education, so that the brush part can be replaced in the simplest way and with little effort and with a sufficiently secure connection of the parts got to.
  • interchangeable head brushes EP 0 199 849 B1, DE 94 20 405 UI
  • the latching fastening means are arranged essentially transversely to the longitudinal axis of the handle on this and on an attachment of the head and are brought into engagement by plugging the head and handle together in the direction of the longitudinal axis.
  • the bristles are fastened to a carrier in the form of a thin plate and this brush part is interchangeably locked in the frame-like housing-like head (DE 44 34 617 AI).
  • the carrier has tab-like catches on its circumferential surface and the housing has corresponding groove-like depressions.
  • the back of the carrier has a pin which engages in a hole in the bottom of the housing and forms an exposed pressure surface on the back of the head.
  • the carrier is snapped into the head and can be ejected by pressing on the pin.
  • the plastic mass to be exchanged when the bristles wear out is reduced to a minimum and the replaceable brush parts can be produced inexpensively due to the low use of materials.
  • the carrier has therefore already been provided with a circumferential elastic edge on its bristle side (DE 37 24640 C2), the back of which should lie tight against the end face of the housing cheek. This presupposes corresponding tensile forces that pull the carrier into the housing, and thus correspondingly large ones
  • Carrier two V-shaped strips are formed, which run over the entire length of the carrier. These engage in a corresponding V-shaped opening on the head, which also runs in the longitudinal axis over the entire length.
  • the strips When inserting, the strips must be deformed inwards and towards each other to such an extent that they can pass through the narrowest cross section of the V-shaped slot in order to then spread out in the slot.
  • the elastically deformed parts of the locking connections are therefore on the interchangeable part, where the material fatigue is less significant.
  • the forming forces on the strips, which are necessary for establishing and releasing the latching connection are, however, so great that the brush part can only be pressed in or levered out with the aid of specially adapted tools.
  • the head must consist of a comparatively high quality plastic to ensure the spring properties for the pressure piece.
  • fatigue fractures can easily occur in the area of the spring-like connection of pressure piece and base. Since the spring linkage inevitably requires gaps on the back of the head that weaken the wall thickness, the hygienic requirements are also poorly met here and injuries to the mouth can also occur here.
  • the invention has for its object a dental care device of the latter structure to be trained so that the special hygienic requirements are met and the performance characteristics are improved.
  • the head on the back has an opening, which is closed by the pressure piece, into which the care part engages, and in that the pressure piece is designed as a flexible disk made of plastic and is sealingly fixed with its peripheral edge to the wall of the opening .
  • the embodiment according to the invention essentially consists of three parts, namely the head, which is optionally equipped with a handle, the care part inserted into a trough of the head, which at least partially engages in the opening of the head, and the separate pressure piece, the as resilient plastic disc is formed and is sealingly attached to the edge of the wall of the opening.
  • the manufacturing tolerances for the snap connection of the care part and head are independent of the eject function of the pressure piece.
  • the structural design of the locking connection can therefore be based exclusively on the intended use, namely locking and unlocking.
  • the type of attachment of the pressure piece to the wall of the opening, as well as the material of the pressure piece, can only be selected with a view to the intended use. Since the elasticity required for ejection is achieved solely in the structural design of the disk, the housing forming the head does not suffer any weakening and the stroke of the pressure piece in particular can be functionally optimized.
  • the opening hermetically sealed in the head, so that a smooth surface is presented. In addition, gaps open to the outside with their hygienic problems are avoided.
  • the stroke of the pressure piece and its spring behavior when ejected can be optimized in terms of use technology in such a way that the function is sensitive or acoustically perceptible to the user, these effects possibly also by appropriate design of those separated from the function of the pressure piece Snap connection can be supported.
  • the disc is flush with the surface of the back on the head and is curved toward the outside towards its center.
  • the disk can be made of a different plastic than the head, in order to again optimize the function of the pressure piece in terms of material.
  • the disc can be visually lifted off the head to visualize the function of the pressure piece.
  • the disc is preferably made of an elastomer which, on the one hand, permanently ensures the function as a pressure piece, on the other hand offers a certain grip when ejected and finally avoids injuries in the oral cavity.
  • the disc can be inserted into the opening of the head in a form-fitting or non-positive manner, or it can also be injected on the occasion of the injection molding of the head using the in-mold method.
  • FIG. 1 shows a longitudinal section through the head of a broken toothbrush
  • Figure 2 shows a section II-II of Figure 1
  • Figure 3 shows a section III-III according to Figure 1 and
  • FIG. 4 one corresponding to FIG. 3 Section of another embodiment of the head of a toothbrush.
  • the exemplary embodiments shown in the drawing are a dental care device in the form of a toothbrush, of which only the head 1 is shown in the drawing. This can be followed by a conventional handle on the right-hand side in FIG. 1, which is injection-molded in one piece with the head 1.
  • the dental care device has an interchangeable care part 12 which, in the exemplary embodiment shown, consists of a plate-shaped carrier 3 made of plastic and a bristle trim 4 composed of a plurality of bundles 5 which are connected to the carrier 3 in a known manner.
  • the head 1 has on its underside a depression in the form of a trough 6, the outline and contour of which correspond to that of the carrier 3.
  • the interchangeable care part 2 or its carrier 3 is snapped into the recess 6 of the head 1 and can be replaced by releasing the latching connection.
  • the latching connection is formed in that the support has individual projections 7 or strip-like ribs on at least two opposite sides (FIG. 3), which correspond with corresponding depressions 8 on the side cheeks 9 of the head.
  • the inner contour of the recess 6 in the head 1 and the outer contour of the carrier 3 are matched to one another with close tolerances, so that a tight fit of the care part in the head 1 is ensured.
  • the head 1 has a continuous opening 11 on its back 10, into which a pin formed on the carrier 3 12 engages.
  • the pin 12 is guided in the opening 11.
  • the disc 14 is slightly arched with respect to the surface contour of the back 10 and has a finger recess 15 in its center.
  • the disc 14 abuts the pin 12 on the carrier 3, so that when pressure is exerted on the disc 14, the compressive force is transferred to the pin 12 and the care part 4 can be ejected by releasing the latching connection 7, 8.
  • the disk 14 is connected to the head 1 in a so-called in-mold process on the occasion of the injection molding, in a tight and non-positive manner, or is also glued in place.
  • the recess 6 on the head 1 and the carrier 3 of the exchangeable care part 2 are designed differently.
  • the head 1 as in the embodiment according to FIGS. 1 to 3, has an opening 11, the wall of which, however, is drawn into the trough 6 and has thickenings 16 at its free ends, which cooperate with spring catches 17 on the back of the carrier 3 .
  • the spring catches 17 have depressions 18 adapted to the thickenings 16 on their inside.
  • the inwardly projecting wall can of course also be designed to be resilient in the form of individually standing wall sections.
  • the carrier 3 also has a pin 19 which, in deviation from FIGS. 1 to 3, is not guided in the opening 11.
  • the pressure piece 13 is again designed in the form of a disk 14 which spans the opening 11, but in this case is fixed on the edge side to projections 20 on the inner wall of the opening 11.
  • the disk 14 can be used mechanically or in turn can be connected to the head 1 in the in-mold process. Welding or gluing is also possible for fastening the disk 14.
  • the worn-out care part 2 is ejected in the same way by pressure on the disc 14, which is transferred to the pin 19 and leads to the detachment of the latching connection 16, 17 and 18.

Landscapes

  • Brushes (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

Appareil d'hygiène bucco-dentaire, par exemple, brosse à dents, comprenant un manche, une tête et une pièce de nettoyage insérable par encliquetage dans une cavité de cette tête, dans lequel ladite pièce est éjectable au moyen d'un organe de pression élastique disposé au dos de la tête et agissant, par sollicitation à la pression, sur l'arrière de la pièce de nettoyage. Dans le but d'assurer une obturation étanche au niveau du dos précité, et de permettre une manipulation simple, l'appareil est caractérisé en ce que la tête présente, au dos, un orifice fermé par l'organe de pression et dans lequel s'engage la pièce de nettoyage, et en ce que l'organe de pression est réalisé sous forme d'un disque souple en matière plastique et est fixé hermétiquement, par son bord périphérique, à la paroi dudit orifice.
EP97930373A 1996-06-22 1997-06-19 Appareil d'hygiene bucco-dentaire a piece de nettoyage rempla able Expired - Lifetime EP0910259B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19624962 1996-06-22
DE19624962A DE19624962A1 (de) 1996-06-22 1996-06-22 Zahnbürste mit auswechselbarem Bürstenteil
PCT/EP1997/003208 WO1997049315A1 (fr) 1996-06-22 1997-06-19 Appareil d'hygiene bucco-dentaire a piece de nettoyage remplaçable

Publications (2)

Publication Number Publication Date
EP0910259A1 true EP0910259A1 (fr) 1999-04-28
EP0910259B1 EP0910259B1 (fr) 2000-04-19

Family

ID=7797676

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97930373A Expired - Lifetime EP0910259B1 (fr) 1996-06-22 1997-06-19 Appareil d'hygiene bucco-dentaire a piece de nettoyage rempla able
EP97928249A Expired - Lifetime EP0942668B1 (fr) 1996-06-22 1997-06-19 Brosse a dents a partie brosse remplacable

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97928249A Expired - Lifetime EP0942668B1 (fr) 1996-06-22 1997-06-19 Brosse a dents a partie brosse remplacable

Country Status (25)

Country Link
US (2) US6138316A (fr)
EP (2) EP0910259B1 (fr)
JP (2) JP3821853B2 (fr)
CN (2) CN1105529C (fr)
AR (2) AR007435A1 (fr)
AT (1) ATE191832T1 (fr)
AU (2) AU717623B2 (fr)
BR (2) BR9709935A (fr)
CA (1) CA2258096A1 (fr)
CZ (2) CZ289680B6 (fr)
DE (3) DE19624962A1 (fr)
ES (2) ES2152101T3 (fr)
HU (2) HU222070B1 (fr)
ID (2) ID19309A (fr)
IN (2) IN191386B (fr)
NO (1) NO985853L (fr)
PL (2) PL186489B1 (fr)
RO (1) RO115775B1 (fr)
RU (2) RU2171084C2 (fr)
SK (1) SK281757B6 (fr)
TR (1) TR199802645T2 (fr)
TW (2) TW392457U (fr)
UA (2) UA55417C2 (fr)
WO (2) WO1997049314A1 (fr)
ZA (2) ZA975498B (fr)

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AT408829B (de) 1999-09-01 2002-03-25 Trenz Diethard Bürste
US7287295B2 (en) 1999-09-01 2007-10-30 Hagleitner Hygiene International Gmbh Handle having disposable cleaning head
US7424764B2 (en) 1999-09-01 2008-09-16 Hagleitner Hygiene International Gmbh Brush with locking and detaching structure for disposable head
DE10164336A1 (de) 2001-12-28 2003-07-17 Trisa Holding Ag Triengen Zahnbürste und Verfahren zur Herstellung einer solchen Zahnbürste
US6775875B2 (en) * 2002-07-02 2004-08-17 Paul A. Sava Dental care instrument with pivoting track for detachable bristle bed
US6931688B2 (en) 2002-08-09 2005-08-23 Colgate-Palmolive Company Toothbrush
US6669390B1 (en) 2002-11-22 2003-12-30 John J. Porter Breath freshener with mouthwash atomizer
DE10259723A1 (de) 2002-12-19 2004-07-01 Trisa Holding Ag Zahnbürste und Verfahren zu deren Herstellung
US7934284B2 (en) 2003-02-11 2011-05-03 Braun Gmbh Toothbrushes
US20050000043A1 (en) 2003-04-23 2005-01-06 The Procter & Gamble Company Electric toothbrushes
US20060096052A1 (en) * 2004-11-09 2006-05-11 Michel Parisi Toothbrush with gum protector
US20140217807A1 (en) * 2006-11-27 2014-08-07 Loops, Llc Methods for Making Safety Toothbrushes
US10334940B2 (en) 2006-11-27 2019-07-02 Loops Llc Composite head toothbrush having safety features
US11013311B2 (en) 2006-11-27 2021-05-25 Loops, Llc Composite toothbrush having safety features and methods of making same
US20080301892A1 (en) * 2007-06-07 2008-12-11 Matthew Sean Blair Replacement toothbrush system
US8448287B2 (en) 2010-10-22 2013-05-28 Mcneil-Ppc, Inc. Replaceable toothbrush head
CA2842097A1 (fr) 2011-07-12 2013-01-17 Colgate-Palmolive Company Brosse a dents vibrante et oscillante et tete de rechange associee
US8561249B1 (en) 2011-11-22 2013-10-22 Alevtina Malakova Multi-head toothbrush assembly
KR101129018B1 (ko) * 2012-01-05 2012-03-27 이희돈 칫솔
US8881333B1 (en) 2013-09-20 2014-11-11 Alevtina Malakova Replaceable bristle toothbrush device
USD749855S1 (en) 2013-11-05 2016-02-23 Colgate-Palmolive Company Oral care implement
US10039370B2 (en) 2013-11-05 2018-08-07 Colgate-Palmolive Company Oral care implement
EP3057464B1 (fr) 2013-11-05 2018-07-18 Colgate-Palmolive Company Accessoire pour soins buccaux
USD751295S1 (en) 2013-11-05 2016-03-15 Colgate-Palmolive Company Oral care implement
RU2016121454A (ru) 2013-11-05 2017-12-11 Колгейт-Палмолив Компани Приспособление для ухода за полостью рта
USD764804S1 (en) 2013-11-05 2016-08-30 Colgate-Palmolive Company Oral care implement
KR101475903B1 (ko) * 2014-03-31 2014-12-23 (주)하배런메디엔뷰티 세안용 전동 브러쉬 장치
CN107949296A (zh) 2015-09-08 2018-04-20 高露洁-棕榄公司 口腔护理器具
US9980554B2 (en) * 2016-01-27 2018-05-29 Subayu Industrial Co., Ltd. Locking structure and brush head thereof for replaceable toothbrush
EP4042902A1 (fr) 2016-04-20 2022-08-17 Trisa Holding AG Produit de brosse
US9820560B1 (en) 2016-10-19 2017-11-21 The Brushies Llc Animal character toothbrush
JP2022536330A (ja) * 2019-06-14 2022-08-15 ザ プロクター アンド ギャンブル カンパニー エマルション組成物を塗布するためのキット
RU195189U1 (ru) * 2019-07-25 2020-01-17 Мария Валерьевна Веселова Сменное основание с щетиной для щетки
AU2019459070A1 (en) * 2019-07-30 2021-11-11 World Wide Daily Holdings Company Limited Toothbrush and device for mounting and/or demounting a toothbrush head
WO2021026718A1 (fr) * 2019-08-12 2021-02-18 龙昌日用品工业（南宁）有限公司 Tête de brosse remplaçable et brosse à dents à tête de brosse remplaçable

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Also Published As

Publication number Publication date
JP3821853B2 (ja) 2006-09-13
EP0942668A1 (fr) 1999-09-22
PL330526A1 (en) 1999-05-24
CZ421598A3 (cs) 1999-04-14
US6145153A (en) 2000-11-14
BR9709936A (pt) 1999-08-10
JP2000513957A (ja) 2000-10-24
CN1109522C (zh) 2003-05-28
HUP9903352A3 (en) 2000-06-28
RO115775B1 (ro) 2000-06-30
PL330722A1 (en) 1999-05-24
UA55417C2 (uk) 2003-04-15
WO1997049314A1 (fr) 1997-12-31
PL186489B1 (pl) 2004-01-30
ID19309A (id) 1998-07-02
RU2171085C2 (ru) 2001-07-27
SK175598A3 (en) 1999-07-12
HU222070B1 (hu) 2003-04-28
PL183466B1 (pl) 2002-06-28
BR9709935A (pt) 1999-08-10
CA2258096A1 (fr) 1997-12-31
NO985853D0 (no) 1998-12-14
HUP9902958A2 (hu) 1999-12-28
AR007434A1 (es) 1999-10-27
ATE191832T1 (de) 2000-05-15
CZ289271B6 (cs) 2001-12-12
IN192227B (fr) 2004-03-20
UA55418C2 (uk) 2003-04-15
JP2000512522A (ja) 2000-09-26
ZA975498B (en) 1998-01-30
RU2171084C2 (ru) 2001-07-27
CN1222837A (zh) 1999-07-14
DE59701476D1 (de) 2000-05-25
DE19624962A1 (de) 1998-01-02
TW392457U (en) 2000-06-01
IN191386B (fr) 2003-11-29
DE59702578D1 (de) 2000-12-07
ES2145612T3 (es) 2000-07-01
AR007435A1 (es) 1999-10-27
HU220332B (hu) 2001-12-28
US6138316A (en) 2000-10-31
EP0910259B1 (fr) 2000-04-19
HUP9903352A2 (hu) 2000-02-28
NO985853L (no) 1998-12-14
TW392456U (en) 2000-06-01
ES2152101T3 (es) 2001-01-16
HUP9902958A3 (en) 2000-07-28
WO1997049315A1 (fr) 1997-12-31
ID17155A (id) 1997-12-04
CN1222836A (zh) 1999-07-14
AU717524B2 (en) 2000-03-30
TR199802645T2 (xx) 1999-03-22
SK281757B6 (sk) 2001-07-10
AU3261697A (en) 1998-01-14
AU717623B2 (en) 2000-03-30
ZA975497B (en) 1998-01-30
CN1105529C (zh) 2003-04-16
EP0942668B1 (fr) 2000-11-02
CZ289680B6 (cs) 2002-03-13
AU3435197A (en) 1998-01-14
CZ421698A3 (cs) 1999-04-14

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