Patent ID: 8185993
Filing Date: 2012-05-29
Classification: A46B,A46D,A61C,Y10S

Abstract:
1. A toothbrush comprising a brush head with a bristle carrier, wherein the bristle carrier has a mixed filament arrangement containing: pointed filaments with tapered tips arranged in clusters; conventional filaments with a substantially constant diameter and rounded-off tips arranged in clusters; and a soft rubber-elastic cleaning element, wherein the clusters of pointed filaments consist of only the pointed filaments, the clusters of conventional filaments consist of only the conventional filaments, and the pointed filaments have a nominal diameter of 0.15 to 0.25 mm and a diameter of the pointed filaments is greater than 75% of the nominal diameter up to a distance of 5 to 6 mm from the tip and is smaller as the distance becomes less.