Patent ID: 6138314
Filing Date: 2000-10-31
Classification: A46B,A46D,Y10T

Abstract:
A toothbrush having improved cleaning efficiency, said brush consisting of an elongated handle member and a head member, said head member having a plurality of bristles projecting from one side thereof, said bristles having a length of from about 8 to 15 mm and a maximum cross-section diameter ranging from about 4 to 20 mils, said bristles comprising a synthetic thermoplastic polymeric composition, wherein lateral surfaces of said bristles contain at least two longitudinal channels extending along the length of said bristles,wherein the channels have a depth ranging from about 10 to 30 percent of the bristle diameter as measured at the maximum cross-section, and wherein the breadth of the channels is from about 10 to 60 percent of the bristle diameter as measured at the maximum cross-section.