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    Toothbrush with visual and/or other sensory effects
    7.
    发明授权
    Toothbrush with visual and/or other sensory effects 有权

    公开(公告)号：US10952526B2

    公开(公告)日：2021-03-23

    申请号：US16048747

    申请日：2018-07-30

    Applicant: Colgate-Palmolive Company

    Inventor： Chi Shing Wong ,  Douglas Hohlbein ,  Kenneth Waguespack ,  Al Aquanza Sprosta ,  Wen Jin Xi ,  Xiang Ji Ding

    IPC: A46B5/02 ,  A46B9/04 ,  A46B15/00

    Abstract: An toothbrush having a handle and a head. The handle may include a first component and a second component covering at least a portion of the first component. The first and second components may be chemically compatible. The first and second components may both comprise a hard polyolefin. The first and second components may have different transparencies. In one aspect, the first component may be opaque and the second component may be transparent or semi-transparent. In some aspects, the handle may also include a third component comprising a thermoplastic elastomer. Furthermore, there may be at least one projection extending outwardly from an outer surface of the first component.

    Toothbrush with enhanced cleaning effects
    8.
    发明授权
    Toothbrush with enhanced cleaning effects 有权

    公开(公告)号：US10548393B2

    公开(公告)日：2020-02-04

    申请号：US15507329

    申请日：2014-09-03

    Applicant: COLGATE-PALMOLIVE COMPANY

    Inventor： Wen Jin Xi ,  Guang Sheng Guo ,  Xiang Ji Ding

    IPC: A46B9/04 ,  A46B9/02 ,  A46B15/00 ,  A61C17/34

    Abstract: A toothbrush (100) having a combination of tapered and non-tapered cleaning elements (50) for enhanced cleaning effects and having a plurality of tapered bristle tufts of differing tuft configurations including, a first tapered bristle tuft (500) having a dome-shaped bristle tip profile (520) toward one end (210) of the head (200), a second tapered bristle tuft (602) having an arcuate-shaped bristle configuration (622) toward an opposite end (222) of the head (200), and a plurality of laterally-extending third tapered bristle tufts (600) arranged in an alternating fashion with non-tapered bristle tufts (630) and disposed between the first and second tapered bristle tufts (500, 602).

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