Toothbrush

A - Human Necessities – 46 – B

Patent

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Details

A46B 9/04 (2006.01)

Patent

CA 2212522

A toothbrush having a bristle face has a surface that is displaced in the general bristle direction to a varying extent with distance along the length of the head, with at least two high parts with at least one low part longitudinally in between, and the length of the bristles also varying at different positions on the bristle face such that longer bristles extend from low parts of the bristle face and shorter bristles extend from high parts of the bristle face, so that the stiffness of the bristles, varies with distance along the length of the head.

Cette brosse à dents comporte une face qui est pourvue de soies et dont la surface est mouvementée dans le sens général des soies, à un degré variable sur la longueur de la tête, et présente au moins deux parties élevées entre lesquelles s'étend longitudinalement au moins une partie basse, la longueur des soies variant également au niveau des différents emplacements de ladite face, de telle manière que des soies plus longues s'étendent depuis les parties basses de la face, et que des soies plus courtes s'étendent des parties élevées de celle-ci, de sorte que la rigidité des soies varie en fonction de leur distance avec cette face, sur la longueur de la tête.

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