Toothbrush

A - Human Necessities – 46 – B

Patent

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Details

A46B 5/00 (2006.01) A46B 9/04 (2006.01)

Patent

CA 2230543

A toothbrush consists of a brush body made of plastic with a head, a neck and a handle as well as bunches of bristles, the free ends of the bristles of at least some of the bunches forming an enveloping surface with a cone angle .alpha. of 30~ to 90~ and the neck of the brush body resiliently yielding at a force K of 500 to 1200 g contact pressure on the bristles, the cone angle .alpha. and the contact pressure force K being approximately inversely proportional.

L'invention concerne une brosse à dents comprenant un corps en plastique avec une tête, un cou et un manche ainsi que des touffes de poils de brosserie fixées sur la tête. Les extrémités libres des poils de brosserie d'au moins une partie des touffes forment une surface enveloppante avec un angle .alpha. au sommet du cône compris entre 30 et 90·. Le cou du corps de la brosse est élastique lorsqu'une force de pression K comprise entre 500 et 1200 g est appliquée sur les poils de brosserie, l'angle .alpha. et la force de pression K étant approximativement inversement proportionnelles.

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