Toothbrush

A - Human Necessities – 46 – B

Patent

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Details

A46B 9/04 (2006.01)

Patent

CA 2631552

A toothbrush (1) wherein a plural number of bristle bundles (4) to (7) each having synthetic resin bristles are fixed on a brush-filling base (3) of the brush body (10) to thereby form a brush-filling area (9); bristle bundles (6) and (6) that have almost triangular sections of the same shape tempering from the sides toward the axial core of the toothbrush (1) are provided in both sides of the brush-filling base (3) adjacent to the axial core direction of the toothbrush (1) in such a manner that the distance between the centers thereof is almost the same as the length in the width direction of a single tooth; and, between the bristle bundles (6) and (6) adjacent to each other, a bristle bundle (7) having a rectangular cross section being longer in the axial core direction of the toothbrush (1) is provided outside the bristle bundle (6) in the width direction of the brush-filling base (3). Owing to this structure, the toothbrush is excellent in the effects of removing plaque in the gap between teeth and the gap between teeth and gum, cleansing performance, handling properties in the oral cavity, design and so on.

La présente invention concerne une brosse à dents (1) comprenant un nombre pluriel de ballots de poils (4) à (7) ayant chacun des poils en résine synthétique fixés à une base de remplissage de brosse (3) du corps de brosse (10) pour former ainsi une zone de remplissage de brosse (9) ; des ballots de poils (6) et (6) ayant des sections quasi-triangulaires de forme identique s~adoucissant sur les côtés en direction du centre axial de la brosse à dents (1) sont présents des deux côtés de la base de remplissage de brosse (3) adjacents à la direction du cAEur axial de la brosse à dents (1) de façon à ce que la distance entre les centres soit quasiment la même que la longueur dans la direction de largeur d~une seule dent ; et, entre les ballots de poils (6) et (6) adjacents entre eux, un ballot de poils (7) ayant une section transversale rectangulaire plus longue dans la direction du centre axial de la brosse à dents (1) est placé à l~extérieur du ballot de poils (6) dans la direction de la largeur de la base de remplissage de brosse (3). Cette structure donne à la brosse à dents des effets excellents en ce qui concerne l~élimination de la plaque dans l~interstice entre les dents et dans l~interstice entre les dents et la gencive, ainsi que les performances de nettoyage, les propriétés de manipulation dans la cavité buccale, l~aspect entre autres.

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