Brush with plano-concave profile

A - Human Necessities – 46 – B

Patent

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Details

A46B 3/18 (2006.01) A46B 9/02 (2006.01)

Patent

CA 2208317

Brush (200) comprising a straight shaft (201) defining a main axis (X-X), a flexible core (202) having two ends, one end being solidly attached to this shaft, bristles (204) inserted radially into this core, with the tips of the bristles defining the surface (205) of the brush, this surface consisting of a first face, the intersection of all meridian planes passing through the main axis with the surface of the brush defining two crest lines (207) having a specific curvature; the brush is characterized in that the core is curved, the crest lines (207) are concave, and the first face (207.1) is relatively straight and parallel to the main axis (X-X).

Brosse (200) comprenant une tige (201) droite définissant un axe (X-X) principal, une âme (202) flexible, comportant une première et une deuxième extrémité, la première extrémité étant solidaire de cette tige, des poils (204) implantés radialement dans cette âme, l'extrémité des poils définissant la surface (205) de la brosse, cette surface comportant une première face, l'intersection de tout plan méridien passant par l'axe principal avec la surface de la brosse définissant deux lignes de crête (207) ayant une courbure déterminée, brosse caractérisée en ce que l'âme est courbe, que les lignes de crêtes (207) sont concaves, et que la première face (207.1) est sensiblement droite et parallèle à l'axe (X-X) principal.

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