Brushhead stem with core channels for dispensing fluids

Details Brushhead stem with core channels for dispensing fluids Brushhead stem with core channels for dispensing fluids

A - Human Necessities

61

C

A61C 17/22 (2006.01) A46B 11/00 (2006.01) A61C 17/28 (2006.01) A61C 17/36 (2006.01)

Patent

CA 2561099

The stem portion of a toothbrush body has a set of bristles on a bristle plate at one end thereof, the stem portion including a shell or stem body having a longitudinal opening therethrough. A core member is configured to fit within the stem body, having two opposed grooves in the exterior surface thereof along the length thereof. The stem body has two grooves in the interior surface thereof, such that the grooves in the core member and the grooves in the stem body can align to form separate fluid channels along the length of the stem portion. The stem portion receives fluid from a reservoir and delivers the fluid to the bristle plate, which includes exit openings for the fluid. The core member and the stem body also include fluid-tight connections therebetween, separating the two channels.

Le manche du corps de la brosse à dents décrite comprend à une extrémité un ensemble de soies sur une plaque de support des soies et un corps ou coque traversé par une ouverture longitudinale. Un élément central conçu pour s'adapter à l'intérieur du corps du manche comprend deux rainures opposées qui s'étendent longitudinalement sur sa surface extérieure. Le corps du manche comprend deux rainures sur sa surface intérieure agencées de sorte que les rainures dans l'élément central et les rainures dans le corps du manche puissent être alignées afin de former des conduits séparés de fluides dans le sens de la longueur du manche. Le manche reçoit un fluide contenu dans un réservoir et conduit le fluide jusqu'à la plaque de support des soies, qui est pourvue d'ouvertures de sortie du fluide. Des connexions étanches aux fluides sont agencées entre l'élément central et le corps du manche, séparant les deux conduits.

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