Patent ID: 9675168
Date: 2017-06-13
CPC Classifications: A46B

Claim:
1. A head for an oral care implement comprising: a mounting surface, and at least one tuft extending from the mounting surface, the tuft comprising a first group of filaments and at least a second group of filaments, the first group of filaments being surrounded by the second group of filaments, the filaments of the first group having a longitudinal axis and a cross-sectional area extending in a plane perpendicular to the longitudinal axis, and the cross sectional area having a substantially circular shape with a first diameter, and the filaments of the second group having a longitudinal axis and a cross-sectional area extending in a plane perpendicular to the longitudinal axis, and the cross sectional area having a substantially circular shape with a second diameter, wherein the first diameter is smaller than the second diameter and wherein the first diameter is about 0.15 mm to about 0.16 mm, and the second diameter is about 0.17 mm to about 0.18 mm.