EP1876920B1 - Brosse interdentaire - Google Patents

Brosse interdentaire Download PDF

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Publication number
EP1876920B1
EP1876920B1 EP06721233A EP06721233A EP1876920B1 EP 1876920 B1 EP1876920 B1 EP 1876920B1 EP 06721233 A EP06721233 A EP 06721233A EP 06721233 A EP06721233 A EP 06721233A EP 1876920 B1 EP1876920 B1 EP 1876920B1
Authority
EP
European Patent Office
Prior art keywords
brush
interdental brush
interdental
brush according
handle
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.)
Not-in-force
Application number
EP06721233A
Other languages
German (de)
English (en)
Other versions
EP1876920A1 (fr
Inventor
Michael Weber
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.)
Individual
Original Assignee
Individual
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
Priority claimed from AT7422005A external-priority patent/AT503726B1/de
Priority claimed from AT7412005A external-priority patent/AT503725B1/de
Application filed by Individual filed Critical Individual
Priority to SI200630651T priority Critical patent/SI1876920T1/sl
Publication of EP1876920A1 publication Critical patent/EP1876920A1/fr
Application granted granted Critical
Publication of EP1876920B1 publication Critical patent/EP1876920B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • A46B2200/108—Inter-dental toothbrush, i.e. for cleaning interdental spaces specifically

Definitions

  • the invention relates to an interdental brush according to the preamble of claim 1.
  • a brush body In commercially available interdental brushes, a brush body is provided with a supporting part in the form of a wire element, which carries bristles or bristle bundles as elastically deformable cleaning elements. These brush bodies are fixed by means of the wire support member to a brush handle having an opening through which the wire support member is inserted with the rear end, after which it is bent and fixed by means of a handle provided on the folding element against the handle.
  • the known interdental brushes are due to this special design, with the fastened to a wire support member bristle elements, not only relatively expensive to manufacture, it is also the installation of the brush parts on the brush handle relatively cumbersome and uncertain.
  • an interdental brush having an elastically deformable coupling part, with which it is inserted into an opening in a handle of a toothbrush.
  • the coupling part is substantially cylindrical, with flange-like widenings at its two ends, which engage over the edges of the opening in the handle of the toothbrush. Accordingly, this coupling part is relatively strongly elastically deformed when inserting the interdental brush, and similarly when removing the interdental brush from the handle opening an elastic deformation of the coupling part must be done.
  • a cleaning instrument for a tooth root canal is known, ie a dental instrument, wherein here a core (called a soul) is provided in the form of a metal rod which is pressed into a sleeve of a head portion, and on which a shank-shaped bristle support member with bristles integral therewith is provided.
  • a core called a soul
  • This actual cleaning elements body is made by injection molding of plastic.
  • An interdental brush of the type specified is from the EP 550 118 A or the corresponding one US 5,394,584 A known; the brush is conventionally formed with a wire core and bristles attached thereto, and has a rear coupling part for latching with a brush handle.
  • the coupling part of this interdental brush on a split ball part which is inserted through an opening in the brush handle, wherein the ball segments, which are in the tensionless rest position in the manner of Spreizarmen spaced from each other, for the purpose of passing through the receiving opening in the brush handle toward each other can be moved.
  • the invention provides an interdental brush as defined in claim 1; advantageous embodiments and developments are specified in the dependent claims.
  • the coupling part is thus positively fixed in the receiving opening of the brush handle with elastic deformation. It is thereby achieved that the brush body can be released again from the brush handle only by canceling the positive connection, ie by deliberate compression of the two spreading arms; an unintentional, unintentional Release the brush body when a force threshold value is reached (tensile force between Brush body and brush handle), as in the prior art, where thus by this minimum tensile force of the frictional connection between the coupling part and the brush handle is canceled is prevented in the inventive design.
  • the spreading arms can be formed in principle by tubular parts, with a circular cylindrical outer shape proves to be favorable. However, in order to facilitate a sliding of the brush handle with its receiving opening on the spreading arms, the spreading arms are rounded or beveled at least at their ends.
  • the spreading arms preferably have on the outside a circular arc-shaped surface, which cooperate with a circular in plan view receiving opening in the brush handle.
  • the connecting part of the brush handle is preferably simply flat. In the circular cross-sectional shape indicated above, it is advantageous that when coupling the brush body with the brush handle, it is not necessary to pay attention to a special alignment of the two parts to be coupled together.
  • the coupling part has a latching groove for latching with an opening edge of a holder.
  • the brush part an injection molded part, preferably made of a thermoplastic, in particular of a thermoplastic elastomer, for. B. from polypropylene, polyethylene, polyurethane, polyetherester copolymer or silicone rubber or polyamide, is.
  • the cleaning elements of the brush part can have a great variety of shapes, it being only important that they are sufficiently elastically deformable.
  • the cleaning elements could connect, for example in the form of platelets, strips or circular disks to the support member.
  • the cleaning elements can be formed by a helical spiral having a plurality of windings. It is also favorable for a particularly simple production, when the helix is formed integrally with a central support member made of plastic.
  • the coil of one end of the support member is a one-piece, compact component, which is indecomposable in use and is simply coupled positively in the manner described with the brush handle.
  • the brush handle has an angled connection part for connection to the coupling part.
  • Fig. 1 is a trained with several receiving levels folding case 1, such as a travel case or a case, as it is made available to hotel guests in hotels, illustrated as a particularly advantageous application for the accommodation and the offer of interdental brushes according to the invention;
  • a comb 2 is also shown in a drawn-out illustration, which can be inserted into a gap 3 of a double intermediate wall 4 of the folding case 1.
  • This double wall 4 carries further together with an upper top wall 5 on the one hand a small container 6 for dental floss, the floss insert can be interchangeable, and on the other hand in the range of not shown, only schematically indicated case pivot axis 7 a between the upper top wall. 5 and the double wall 4 retractable container 8 for toothpaste, mouthwash and the like.
  • a magazine 11 for a plurality of interdental brush body 12 is housed. Furthermore, in the bottom part 9, a brush handle 13 is accommodated for these brush body 12, wherein the coupling of this brush handle 13 with the brush body 12 below based on the Figs. 5A to 5C will be explained in more detail. Moreover, in the container part 9, a conventional toothbrush 14 can be stored.
  • Fig. 2 is an embodiment of the brush handle 13, with which the brush body 12 are coupled, seen in more detail.
  • a rear, widened grip part 15 is shown, which is connected via a narrower middle part 16 with a front, angled connecting part 17, which has a circular cross-section, for example, receiving opening 18, which is for receiving a coupling part 19 (s. Fig. 4 ) of the respective brush body 12 is provided.
  • FIG. 3 Such a brush handle 13 is shown in connection with a brush body 12, wherein the coupling part 19 of the brush body 12 in the receiving opening 18 (s. Fig. 2 ) of the connecting part 17 is inserted and fixed by snapping or latching.
  • the present brush body 12 in one piece with the coupling part 19 an elongated, thin, rod-shaped support member 20 which carries elastically deformable cleaning elements 21.
  • These cleaning elements 21 are as shown Fig. 3 and 4
  • the helix 22 follows with its outer, helical edge of a frustoconical surface 22 '.
  • L1 denotes the length of the actual brush section formed by the supporting part 20 together with the helix 22 is, for example, 12 mm.
  • the rear coupling part 19 may have a total axial length of 10 mm, wherein the coupling part 19 integrally continues via a shoulder in the support member 20 and may generally have a circular cross section with a diameter of 3 to 4 mm.
  • two front annular projections 23, 24, approximately to limit the cleaning of interdental spaces and for holding in a magazine 11, and to form a shoulder 25 as a boundary for a detent recess 26 are provided.
  • the rear region of the coupling part 19 is divided, so that two spreading arms 27, 28 are obtained, which are in the in Fig. 4 shown normal position "spread" and so paragraphs 29 to limit the respective - in cross-section circular arc - - form locking recess 26 on the other side.
  • the spreading arms 27, 28 are chamfered or rounded at the rear end facing away from the brush portion, as in Fig. 4 at 30, so as to be inserted into the receiving opening 18 of the brush handle 13 (see FIG. Fig. 2 ) to facilitate.
  • arcuate engagement surfaces 31 are defined in cross section, which cooperate with the edge of the receiving opening 18 of the brush handle 13 corresponding manner, the paragraph 25 defines an annular engagement surface for cooperation with the connecting part 17 of the brush head 13, see. also Fig. 3 , At least the two paragraphs 29, preferably also the paragraph 25, extend at right angles to the longitudinal axis of the brush body 12, so as in the inserted into the receiving opening 18 state of the brush body 12 according to Fig. 3 an engagement at right angles to the longitudinal axis, thus ensuring a positive connection.
  • the spreading arms 27, 28 When inserting the coupling part 19 with the Spreizarmen 27, 28 in the receiving opening 18 of the brush handle 13, the spreading arms 27, 28 elastically deformed or compressed in the manner of a pivoting movement, and after the spreading arms 27, 28, the receiving opening 18 with its rear, Thickened area have passed, the spreading arms 27, 28 again spring radially outward, wherein the locking recess 26, which is bounded by the paragraphs 25 and 29, the edge of the receiving opening 18 of the brush handle 13 receives in a snap or latching operation. Thereafter, the brush body 12 can not be solved by merely pulling out of the handle 13, but on the spreader arms 27, 28 must be manually compressed, i. be pivoted toward each other so as to release the positive engagement in the area of the paragraphs 29.
  • Figs. 5A, 5B and 5C The coupling by locking the brush body 12 and its coupling part 19 with the brush handle 13 is shown schematically in the Figs. 5A, 5B and 5C illustrated.
  • a plurality of brush body 12 in a magazine provided as a holder 11 for example in an inclined position as in Figs. 5A and 5B shown in a receptacle with an opening edge 33 (s. Fig. 5C ), which in a locking groove 32 (s. Fig. 4 ) are held between the projections 23 and 24, held, and it is the brush handle 13 with its angled connecting part 17 to the coupling part 19 of the respective brush body 12 introduced (s. Fig.
  • the axial length L2 of the detent recess 26 was 3 mm
  • the subsequent spreading section of the spreading arms 27, 28 also had an axial length L3 of 3 mm
  • the preceding stop and mounting portion of the coupling part 19 has a total length L4 of 4 mm
  • the projections 23, 24 each have an axial length of 1 mm and the adjacent thereto sections such as the locking groove 32, also each have a length of 1 mm.
  • the brush body 12 shown, like the brush handle 13, can advantageously be produced as an injection-molded part from a suitable plastic, such as, in particular, from a thermoplastic, in particular from a thermoplastic elastomer.
  • a suitable plastic such as, in particular, from a thermoplastic, in particular from a thermoplastic elastomer.
  • suitable materials on the one hand, the required elastic deformability of the coil 22 (with correspondingly thin wall thickness thereof) and on the other hand, the required strength in the thicker coupling part 19, for example, polypropylene, polyethylene, polyurethane, polyetherester copolymers, silicone rubber, but also nylon (polyamide 6.6 ) and the like. Materials.
  • the support member 20 with an inner core, which is then overmolded to form the helix 22; the core may e.g. also consist of a fiberglass-reinforced plastic (GRP).
  • GRP fiberglass-reinforced plastic

Landscapes

  • Brushes (AREA)

Claims (11)

  1. Brosse interdentaire comprenant un corps de brosse (12) allongé, qui présente une partie d'accouplement (19) élastiquement comprimable destinée à venir s'enclencher dans une ouverture de réception (18) d'un manche de brosse (13), la partie d'accouplement (19) présentant au moins deux bras d'expansion (27, 28) pouvant être déplacés élastiquement l'un vers l'autre, caractérisée en ce que la partie d'accouplement (19) présente, dans la zone des bras d'expansion (27, 28), à l'extérieur, un creux d'encliquetage (26) qui est délimité par des décrochements (29) s'étendant perpendiculairement à l'axe longitudinal du corps de brosse et est destiné à assurer une portée par complémentarité de formes dans l'ouverture de réception (18) du manche de brosse (13), et la partie d'accouplement (19) présente une résistance telle qu'elle ne puisse être détachée de l'ouverture de réception (18) que par un rapprochement manuel des bras d'expansion (27, 28).
  2. Brosse interdentaire selon la revendication 1, caractérisée en ce que les bras d'expansion (27, 28) présentent, à l'extérieur, une surface en forme d'arc circulaire (31).
  3. Brosse interdentaire selon la revendication 1 ou la revendication 2, caractérisée en ce que la partie d'accouplement (19) présente une rainure d'encliquetage (32) destinée à s'encliqueter avec un bord d'ouverture (33) d'un support (11).
  4. Brosse interdentaire selon l'une des revendications 1 à 3, caractérisée en ce que le corps de brosse (12) est une pièce de moulage par injection, de préférence en une matière thermoplastique, notamment en un élastomère thermoplastique, par exemple en polypropylène, polyéthylène, polyuréthanne, en un copolymère polyéther-éther ou un caoutchouc silicone, ou bien en polyamide.
  5. Brosse interdentaire selon l'une des revendications 1 à 4, caractérisée en ce que le corps de brosse (12) comporte une hélice (22) de forme hélicoïdale présentant plusieurs spires en tant qu'éléments de nettoyage (21).
  6. Brosse interdentaire selon la revendication 5, caractérisée en ce que l'hélice (22) est moulée en matière plastique, d'un seul tenant avec une partie de support centrale (20).
  7. Brosse interdentaire selon la revendication 5 ou la revendication 6, caractérisée en ce que l'hélice (22) présente des dimensions qui sont croissantes d'une extrémité de la partie de support (20), à savoir l'extrémité avant, vers l'autre extrémité, à savoir l'extrémité arrière.
  8. Brosse interdentaire selon la revendication 7, caractérisée en ce que l'hélice (22) définit avec son bord extérieur sensiblement une forme tronconique (22').
  9. Brosse interdentaire selon l'une des revendications 5 à 8, caractérisée en ce que la partie de support (20) se raccorde d'un seul tenant à la partie d'accouplement (19).
  10. Brosse interdentaire selon l'une des revendications 1 à 9, comprenant un manche de brosse (13), qui présente une partie de liaison (17) de forme plate avec une ouverture de réception (18) de forme ronde circulaire.
  11. Brosse interdentaire selon la revendication 10, caractérisée en ce que la partie de liaison (17) du manche de brosse (13) est coudée.
EP06721233A 2005-04-29 2006-04-28 Brosse interdentaire Not-in-force EP1876920B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200630651T SI1876920T1 (sl) 2005-04-29 2006-04-28 Interdentalna ščetka

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT7422005A AT503726B1 (de) 2005-04-29 2005-04-29 Interdentalbürsteneinrichtung
AT7412005A AT503725B1 (de) 2005-04-29 2005-04-29 Interdentalbürsteneinrichtung
PCT/AT2006/000176 WO2006116784A1 (fr) 2005-04-29 2006-04-28 Brosse interdentaire

Publications (2)

Publication Number Publication Date
EP1876920A1 EP1876920A1 (fr) 2008-01-16
EP1876920B1 true EP1876920B1 (fr) 2010-02-24

Family

ID=36609463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06721233A Not-in-force EP1876920B1 (fr) 2005-04-29 2006-04-28 Brosse interdentaire

Country Status (8)

Country Link
US (1) US7975345B2 (fr)
EP (1) EP1876920B1 (fr)
AT (1) ATE458421T1 (fr)
CA (1) CA2607945C (fr)
DE (1) DE502006006248D1 (fr)
ES (1) ES2339589T3 (fr)
SI (1) SI1876920T1 (fr)
WO (1) WO2006116784A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD816999S1 (en) 2017-03-06 2018-05-08 Ranir, Llc Toothbrush

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012025039B4 (de) * 2012-12-20 2015-02-19 Zahoransky Formenbau Gmbh Verfahren zur Herstellung von Spritzgießteilen in Zwei-Komponenten-Spritzgießtechnik sowie Spritzgießteil
DE102013010782A1 (de) 2013-06-28 2014-12-31 Interbros Gmbh Interdentalreiniger und Verfahren zu seiner Herstellung
USD767900S1 (en) * 2015-03-03 2016-10-04 LeedTech Resources Company, LLC Interdental brush
USD936976S1 (en) * 2020-04-16 2021-11-30 Hopkins Manufacturing Corporation Wheel brush
DE102020128848A1 (de) * 2020-11-03 2022-05-05 Interbros Gmbh Verfahren und Vorrichtung zur Aufbringung einer Beschichtung auf einen Interdentalreiniger und Interdentalreiniger mit einer Beschichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH663717A5 (de) * 1984-10-25 1988-01-15 Curaden Ag Vorrichtung zum reinigen der zahnzwischenraeume.
US4805252A (en) * 1987-10-13 1989-02-21 John O. Butler Company Toothbrush
DE4220970A1 (de) 1991-12-30 1993-07-01 Artos Med Produkte Ausschlaginstrument
DE59209239D1 (de) 1992-01-09 1998-04-23 Breitschmid Ag Griff mit einem Halteorgan und Interdentalbürste zum auswechselbaren Befestigen an solchen Halteorgan
DE4223196A1 (de) * 1992-07-15 1994-01-20 Braun Ag Bürstenhalter für eine Zahnbürste
AUPM771494A0 (en) 1994-08-26 1994-09-22 McCusker, Robert Martin Improved dental hygiene device
DE10034367C1 (de) * 2000-07-14 2002-03-07 Thies Hans Juergen Zahnpflege-System
DE10123814A1 (de) 2001-05-16 2002-12-05 Roeko Gmbh & Co Kg Reinigungsinstrument für einen Zahnwurzelkanal
WO2003039391A1 (fr) * 2001-09-28 2003-05-15 Lagos Galvan Flavio Americo Mini-brosse de nettoyage et de soin interdentaires
US20050048439A1 (en) * 2003-08-25 2005-03-03 Patrick Gwen Case for retaining a toothbrush and other dental cleaning tools therein

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD816999S1 (en) 2017-03-06 2018-05-08 Ranir, Llc Toothbrush

Also Published As

Publication number Publication date
DE502006006248D1 (de) 2010-04-08
US20080313834A1 (en) 2008-12-25
ATE458421T1 (de) 2010-03-15
CA2607945A1 (fr) 2006-11-09
CA2607945C (fr) 2014-08-26
SI1876920T1 (sl) 2010-07-30
ES2339589T3 (es) 2010-05-21
WO2006116784A1 (fr) 2006-11-09
EP1876920A1 (fr) 2008-01-16
US7975345B2 (en) 2011-07-12

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