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Toothbrush

Technology of a toothbrush, toothbrush head, applied in the field of oral care

Inactive Publication Date: 2008-06-11
GILLETTE CANADA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Each tooth cleaning element is supported to rotate primarily about only one axis

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0016] first from figure 1 Initially, a toothbrush 8 includes a handle 10 from which a head 12 extends. The brush head 12 includes a first set of tooth cleaning elements 14, such as bristle tufts, which are secured to the brush head in a conventional manner (eg by flocking or hot-tufting). Element 14 is designed to clean exposed surfaces of teeth.

[0017] A second set of tooth cleaning elements 16 are secured to the head 12 such that each element can rotate independently about an axis during use of the toothbrush. Each element 16 may be a tuft of bristles, or a single integral blade of plastic or rubber. Element 16 is designed to penetrate between the teeth to clean the spaces between the teeth.

[0018] The dwell time between adjacent elements 16 is significantly increased compared to elements 14 rigidly fixed to the brush head 12 . Experiments were carried out in which the dwell time between fixed bristle tufts forward at approximately 0 degrees (as in element 14) and a...

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PUM

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Abstract

A toothbrush, including a handle, a head (12) extending from the handle, and a plurality of tooth cleaning elements extending from the head (12), characterized in that the head has a top piece (22) and a bottom piece (24) and wherein the top piece has apertures (25) therethrough, wherein the plurality of cleaning elements extend through the apertures (25), wherein the apertures each have a socket (20) near the bottom piece and an entrance at a top surface of the head, and wherein the socket is larger than the entrance.

Description

[0001] The patent application for the present invention is a divisional application of the Chinese invention patent application No.01806615.1 submitted on March 8, 2001, entitled "Toothbrush". technical field [0002] The present invention relates generally to the field of oral care, and in particular to toothbrushes. Background technique [0003] Japanese Patent Document 3-312978 discloses a toothbrush having a variety of nylon bristle tufts. in such as figure 1 In the first embodiment shown in , 2 and 3, a plurality of cylindrical concave portions are provided in the brush head along the vertical direction of the longitudinal axis direction of a handle, and these concave portions have equal intervals. Cylindrical rotors 5 are contained in the recessed portions, respectively. On the peripheral surface of the rotating body 5, along the axis direction, protruding strip portions 5a are formed, and these protruding strip portions are arranged in such a state as to be located ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A46B9/04A46B9/10A46B7/06
CPCA46B7/06A46B2200/1066A46B9/04A46B9/10
Inventor 菲利普·M·布朗威廉·A·布雷达尔卡伦·L·克莱尔托马斯·C·马斯特曼马克·E·麦克康尼尔迈克尔·F·罗伯茨托马斯·奥弗图恩
Owner GILLETTE CANADA