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WO1998002062A1 - Brosse a dents - Google Patents

Brosse a dents Download PDF

Info

Publication number
WO1998002062A1
WO1998002062A1 PCT/CH1997/000208 CH9700208W WO9802062A1 WO 1998002062 A1 WO1998002062 A1 WO 1998002062A1 CH 9700208 W CH9700208 W CH 9700208W WO 9802062 A1 WO9802062 A1 WO 9802062A1
Authority
WO
WIPO (PCT)
Prior art keywords
toothbrush
brush
carriers
toothbrush according
bristles
Prior art date
Application number
PCT/CH1997/000208
Other languages
German (de)
English (en)
Inventor
Alfred Jurt
Original Assignee
Trisa Bürstenfabrik Ag Triengen
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 Trisa Bürstenfabrik Ag Triengen filed Critical Trisa Bürstenfabrik Ag Triengen
Publication of WO1998002062A1 publication Critical patent/WO1998002062A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/0004—Additional brush head
    • A46B5/0012—Brushes with two or more heads on the same end of a handle for simultaneous use, e.g. cooperating with each-other
    • 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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a toothbrush according to the preamble of claim 1.
  • FR-A-2 548 528 describes a toothbrush of this type, in which the brush heads are arranged side by side.
  • the bristles of the two brush heads are arranged and directed towards each other so that when the toothbrush is used, the inside and the outside of the teeth are cleaned at the same time.
  • the parallel supports for the brush heads can be spread apart. When cleaning the teeth during the movement along the row of teeth, this enables the distance between the brush heads to be adapted to the changing thickness of the teeth.
  • the present invention has for its object to provide a toothbrush of the type mentioned, with which a better cleaning effect can be achieved.
  • Figure 1 is a side view of a first embodiment of a toothbrush with two brush heads.
  • FIG. 2 shows a side view of a second exemplary embodiment of a toothbrush with two brush heads
  • Figure 3 shows the toothbrush of Figure 1 or 2 with two round brush heads in plan view.
  • FIG. 10 shows a third embodiment of a toothbrush with two brush heads in a perspective view
  • FIG. 11 seen the front part of the toothbrush according to FIG. 10 in the direction of arrow A;
  • FIG. 12 seen the toothbrush according to FIG. 10 in the direction of arrow B;
  • FIG. 13 shows a section along line XIII-XIII in FIG. 10;
  • Fig. 14 in side view of the front part of a
  • Toothbrush in a fourth embodiment shows the toothbrush part according to FIG. 14 in a top view.
  • a toothbrush 1 has a handle 2 and two carriers 3, 4 connected to it, which are each provided with a brush head 5, 6 on their free end 3 'or 4' facing away from the handle 2 .
  • the carrier 3, 4 and the handle 2 are integrally formed.
  • the carriers 3, 4 extend essentially parallel to one another and to a toothbrush longitudinal axis 1 a.
  • the carriers 3, 4 arranged on both sides of the toothbrush longitudinal axis la are designed and angled such that the brush heads 5, 6 attached to them are arranged one behind the other in the direction of the toothbrush longitudinal axis la.
  • Each bristle head 5, 6 consists of a bristle carrier 10, from which bristles protrude, which are combined to form bristle tufts 11.
  • the bristles are anchored in the bristle carrier 10 at one end, the free-standing ends of the bristles form a burst surface 12.
  • the base surfaces of the bristle carriers 10 are designated by 13 in FIG. 1.
  • the axes of the brush heads 5, 6 running at right angles to the respective base surface 13 are designated 5a, 6a in FIGS. 1 and 3.
  • the axes 5a, 6a and the toothbrush longitudinal axis la are preferably in a common plane E, as can be seen in FIG.
  • the base surfaces 13 and thus also the axes 5a, 6a of the two brush heads 5, 6 are inclined towards one another by a small angle (preferably between 2 ° and 10 °) in such a way that the axes 5a, 6a m as shown in FIG above-mentioned level E converge above.
  • This curvature results in a better adaptation of the cleaning-effective total burst surfaces to the rounding of the teeth, whereby the interdental spaces and the gum line can also be cleaned better.
  • the carriers 3, 4 are designed such that the two brush heads 5, 6 are offset from one another in the rest position, and the brush head 5 facing the handle 2 protrudes from the other brush head 6.
  • Fig. 2 shows a toothbrush 1 ', which corresponds essentially to that of FIG. 1; In this variant, however, the two brush heads 5, 6 are arranged approximately in one plane in the rest position.
  • the two carriers 3, 4 are designed resiliently sch and when using the toothbrush, d. H. when force is applied in the direction of arrow S, it can be elastically pushed back in this direction.
  • the force 3 in the direction of the arrow S is first pushed back against the brush surface 12 of the brush head 5 of the carrier 3 before the force against the burst surface 12 of the other brush head 6 and thus also that Pushing back the other carrier 4 is done. Then the two carriers 3, 4 can be pushed back further together (the brush head 5 is in contact with the carrier 4 of the brush head 6); but it can also be pushed back only the brush head 6 facing away from the handle 2 with the carrier 4volue.
  • both brush heads 5, 6 or both carriers 3, 4 are immediately pushed back together, or only the carrier 4 with the brush head 6 facing away from the handle 2 can be pushed back alone.
  • the elastic deflectability of the carriers 3, 4 prevents the application of excessive pressure when cleaning the teeth. Due to the individual springing, when the toothbrush is used, better contact and optimal contact pressure of the brush surfaces, which are effective for cleaning, are achieved, whereby a more flexible adaptation to the shape of the individual teeth and to the shape of the teeth or the rounding of the teeth is ensured.
  • Fig. 3 round brush heads 5, 6 are shown with cylindrical tufts 11.
  • the brush heads can have other shapes; 4 to 7 show some further exemplary embodiments.
  • a bristle head 6 is round and equipped with a cylindrical bristle field.
  • the other bristle head 17 is essentially rectangular in plan view, its bristle tuft partially surrounding the round bristle tuft 11 of the bristle head 6 with a lateral, concavely curved surface 18.
  • FIG. 6 shows two brush heads 20, 21, the bristle fields of which are mirror images of a plane 1b perpendicular to the toothbrush longitudinal axis la and have a substantially trapezoidal shape in plan view, the longer parallel sides of the two trapezoids facing one another.
  • the bristle fields of the bristle heads 24, 25 shown in FIG. 7 are of a similar design, with the difference that the sides of the two bristle fields facing away from one another are semicircular, so that an essentially oval total burst area is created. In all versions, the total brush area corresponds in size to the brush area of conventional toothbrushes.
  • the brush heads in such a way that the bristle holders 10 together with the bristles can be exchanged in a manner known per se and therefore not described in detail.
  • the bristle holder 10 with the used bristles can thus be exchanged for the bristle holder 10 with new bristles without the entire toothbrush having to be thrown away.
  • concavely curved brush surfaces 12 ' can also be used in all embodiments of the brush heads, the curvature of which extends in the direction of the toothbrush axis la. This measure results in an even better adaptation to the individual shape of the individual teeth; the bristle ends can penetrate the interdental spaces even better.
  • a handle 32 with two carriers 33, 34 are connected, which are formed so that at their free ends 33', 34 'arranged brush heads 35, 36 are arranged one behind the other in the direction of the toothbrush longitudinal axis la.
  • the carriers 33, 34 have a shape which is elongated in cross section and are oriented such that the cross-sectional longitudinal axes 33a, 34a each include an angle ⁇ with the plane E running through the toothbrush longitudinal axis la; the carriers 33, 34 are arranged symmetrically to the plane E.
  • the angle ⁇ can preferably be 45 °.
  • the brush heads 35, 36 arranged on the resilient supports 33, 34 are not only elastically deflected in this direction of arrow A, but also laterally in direction of arrows D and E according to FIG. 11 .
  • This lateral movement of the brush heads 35, 36 even at low pressure is particularly advantageous for reaching and cleaning the interdental spaces.
  • the carriers 3, 4 are designed such that the two brush heads 5, 6 and the two carriers 3, 4 can be deflected without being influenced by one another.
  • the support 4 which receives the brush head 6 facing away from the handle is provided with a curvature 4a which is adapted to the outline shape of the handle-side brush head 5 and surrounds it.
  • the brush head 5 on the handle side can thus be deflected without hindrance without also carrying the carrier 4 with it.
  • a greater force is required to deflect the brush head 5 (in the case of supports 3, 4 with the same profile) than to deflect the brush head 6, since the lever arm assigned to the brush head 5 is shorter than the lever arm of the brush head 6.
  • the brush head 6 facing away from the handle can also protrude from the other in the rest position, as shown in FIG. 14, and can be pushed back in use first.
  • the arrangement corresponding to FIG. 1 or FIG. 2 would be possible.
  • both brush heads 35, 36 could be arranged in the rest position about n of the same plane or offset in the direction A of the intended force.
  • the carrier 33 for the brush head 36 facing away from the handle 2 in such a way that, analogously to the variant shown in FIGS. 14 and 15, both carriers 33, 34 could be deflected individually, independently of one another.
  • the bristle tufts 11 in turn could have a different shape and unevenly high bristles.

Landscapes

  • Brushes (AREA)

Abstract

L'invention concerne une brosse à dents présentant deux supports (3, 4) raccordés à un manche (2, 32) et s'étendant parallèlement dans le sens de l'axe longitudinal (1a) de la brosse à dents. Sur l'extrémité libre (3', 4') de chacun des supports repose une tête (5, 6) comportant un porte-poils (10) avec des poils faisant saillie. Les poils forment une surface de brossage (12). Les supports (3, 4) sont conçus de telle manière que les têtes (5, 6) viennent se placer l'une derrière l'autre dans le sens de l'axe longitudinal (1a) de la brosse à dents. Pour améliorer l'efficacité du brossage et obtenir une adaptation optimale à la forme des différentes dents ainsi qu'à la forme de la denture, les supports (3, 4) se déplacent de façon élastique lors de l'utilisation, c'est-à-dire quand des forces s'exercent dans le sens (S) sur les surfaces de brossage (12).
PCT/CH1997/000208 1996-07-15 1997-05-26 Brosse a dents WO1998002062A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH176796 1996-07-15
CH1767/96 1996-07-15

Publications (1)

Publication Number Publication Date
WO1998002062A1 true WO1998002062A1 (fr) 1998-01-22

Family

ID=4218111

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1997/000208 WO1998002062A1 (fr) 1996-07-15 1997-05-26 Brosse a dents

Country Status (1)

Country Link
WO (1) WO1998002062A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1077623A1 (fr) * 1998-01-27 2001-02-28 Vernon Wilson Brosse a dents
WO2005039858A1 (fr) 2003-10-22 2005-05-06 Glaxosmithkline Consumer Healthcare Gmbh & Co Kg Procede de fabrication de brosses a dents
EP1587393A2 (fr) * 2002-12-23 2005-10-26 BRICE, Michael F. Brosse a dents a deux tetes
AU2001281093B2 (en) * 2000-08-08 2006-06-22 Gillette Canada Company Oral care devices
WO2013060753A1 (fr) 2011-10-27 2013-05-02 Glaxosmithkline Consumer Healthcare Gmbh & Co. Kg Brosse à dents
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2266195A (en) * 1938-12-13 1941-12-16 Hallock Robert Lay Toothbrush
GB989953A (en) * 1960-09-13 1965-04-22 Bernard Cyzer Improvements in or relating to toothbrushes
FR2548528A1 (fr) * 1983-07-08 1985-01-11 Jouvin Jean Luc Brosse a dents perfectionnee
DE3428860A1 (de) * 1984-08-04 1986-02-13 Horst 4800 Bielefeld Wiethölter Zahnbuerste
DE3618823A1 (de) * 1986-04-17 1987-10-22 Heinrich Schaiper Zahnbuerste

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2266195A (en) * 1938-12-13 1941-12-16 Hallock Robert Lay Toothbrush
GB989953A (en) * 1960-09-13 1965-04-22 Bernard Cyzer Improvements in or relating to toothbrushes
FR2548528A1 (fr) * 1983-07-08 1985-01-11 Jouvin Jean Luc Brosse a dents perfectionnee
DE3428860A1 (de) * 1984-08-04 1986-02-13 Horst 4800 Bielefeld Wiethölter Zahnbuerste
DE3618823A1 (de) * 1986-04-17 1987-10-22 Heinrich Schaiper Zahnbuerste

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1077623A1 (fr) * 1998-01-27 2001-02-28 Vernon Wilson Brosse a dents
EP1077623A4 (fr) * 1998-01-27 2001-08-01 Vernon Wilson Brosse a dents
AU2001281093B2 (en) * 2000-08-08 2006-06-22 Gillette Canada Company Oral care devices
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush
US9603441B2 (en) 2002-08-09 2017-03-28 Colgate-Palmolive Company Toothbrush
EP1587393A2 (fr) * 2002-12-23 2005-10-26 BRICE, Michael F. Brosse a dents a deux tetes
EP1587393A4 (fr) * 2002-12-23 2006-04-12 Michael F Brice Brosse a dents a deux tetes
WO2005039858A1 (fr) 2003-10-22 2005-05-06 Glaxosmithkline Consumer Healthcare Gmbh & Co Kg Procede de fabrication de brosses a dents
US7744360B2 (en) 2003-10-22 2010-06-29 Glaxosmithkline Consumer Healthcare Gmbh & Co., Kg Process for making toothbrushes
WO2013060753A1 (fr) 2011-10-27 2013-05-02 Glaxosmithkline Consumer Healthcare Gmbh & Co. Kg Brosse à dents

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