Patent · US Expired

Bristle for a toothbrush

US6094769A · kind A · utility

45Cited by

15References

31Claims

0Family size

Assignee

The Braun Corporation · DE

Inventors

Georges Driesen · Neu-Anspach, DE
Ahmet Firatli · Nordenstadt, DE
Rainer Hans · Bensberg, DE
Norbert Schaefer · Frankfurt am Main, DE
Armin Schwarz-Hartmann · Wendelsheim, DE

Key dates

Filing date	Apr 1, 1999
Grant date	Aug 1, 2000
Priority date	—
Expiry date	Apr 1, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2978
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention is directed to a bristle (1) for a toothbrush, in particular for an electric toothbrush, which is comprised of a monofilament (2) made of plastic. The monofilament (2) is of a non-circular cross-section, is twisted about its longitudinal axis, and is fixed as a result of the action of chemical agents. In this manner, the bristle (1) is provided with a three-dimensionally structured surface which effects an improved cleaning action, in particular with regard to the removal of plaque.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.