CN102356944A - 牙刷 - Google Patents

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CN102356944A
CN102356944A CN201110249290XA CN201110249290A CN102356944A CN 102356944 A CN102356944 A CN 102356944A CN 201110249290X A CN201110249290X A CN 201110249290XA CN 201110249290 A CN201110249290 A CN 201110249290A CN 102356944 A CN102356944 A CN 102356944A
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head toothbrushes
cleaning
teeth
teeth element
toothbrushes according
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CN102356944B (zh
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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
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Gillette Canada Inc
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Gillette Canada Inc
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/06—Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

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Abstract

一种牙刷，包括：一个刷柄；一个从所述刷柄延伸的刷头；和从所述刷头延伸的许多牙齿清洁元件，例如刷毛簇。每个牙齿清洁元件被支持着主要围绕一根轴线转动。每个牙齿清洁元件可以独立于其它牙齿清洁元件转动。

Description

牙刷
本发明专利申请是2007年11月14日提交的、名称为“牙刷”的中国发明专利申请No.200710186375.1的分案申请，其中专利申请No.200710186375.1本身是申请日为2001年3月8日、名称为“牙刷”的中国发明专利申请No.01806615.1的分案申请。由于针对专利申请No.200710186375.1的第一次审查意见通知书中指出了单一性问题，故提交本分案申请。
技术领域
本发明总体涉及口腔护理领域，并且具体地涉及牙刷。
背景技术
日本专利文件3-312978公开了一种牙刷，该牙刷具有多样性的尼龙刷毛簇。在如图1、2和3所示的第一个实施例中，在刷头中沿一个柄部的纵轴线方向的垂直方向设置有许多圆柱形凹陷部分，并且这些凹陷部分具有相等的间隔。在所述凹陷部分中分别包含有柱形转动体5。在所述转动体5的圆周表面上，沿着轴线方向，形成了突起条带部分5a，并且这些突起条带部分设置成这种状态，使其位于所述凹陷部分的开口部分。在所述凹陷部分的开口部分，形成了放置于两侧的接触表面。在所述突起条带部分5a的上表面的两个端部，直立地设置有尼龙刷毛6。
如图3所示，如上所述的设置可以使刷毛6在牙刷的使用过程中转动。这种牙刷所存在的一个问题是，在每个条带部分5a上固定了两个刷毛簇，从而必须一致地转动。结果，单个刷毛簇不能独立于其它“配合”的刷毛簇转动。单个刷毛簇可能会被阻止在刷牙的过程中优选的插入两个牙齿之间，因为配合的刷毛簇会与牙齿以不同的方式接触，并且干涉各刷毛簇的转动。
图4、5和6公开了第二个实施例，其中每个刷毛簇都通过一个球和球窝式设置被固定在刷头上。并且这个实施例允许各刷毛簇独立于其它刷毛簇回转，这就产生了缺陷。如果刷毛簇向刷头侧向外倾斜，并且该刷毛簇被设置在牙齿的侧表面和顶表面之间的界面附近，就增加了刷毛头在刷牙的过程中甚至不会与牙齿接触的机率。另外，在刷牙过程从牙刷的吸引转移之后，刷毛簇会呈现随机取向状态。
发明内容
本发明的目的在于克服前述一个或多个问题。简而言之，根据本发明的一个方面，一种牙刷包括一个刷柄，一个从所述刷柄延伸的刷头，和许多牙齿清洁元件，例如刷毛簇，该牙齿清洁元件从所述刷头延伸。每个牙齿清洁元件被支撑着主要只环绕一根轴线转动。每个牙齿清洁元件可以独立于其它牙齿清洁元件转动。
通过使每个牙齿清洁元件被支撑着只环绕一根轴线转动，就可以避免如上所述涉及球和球窝刷毛簇支撑的问题。即，增加了在刷牙的过程中牙齿清洁元件保持与牙齿接触的机率，牙刷的外表将更加吸引人。
另外，由于每个牙齿清洁元件可以独立于其它牙齿清洁元件转动，可以避免参照第一个日本实施例描述的问题。每个牙齿清洁元件能够获得优选的在牙齿之间的穿刺，而不会受到其它牙齿清洁元件对其转动的干涉。
附图说明
本发明的这些方面、目的、特征和优点通过下面结合附图对优选实施例的详细描述和所附权利要求书，可以有更好的理解。
图1是本发明的第一个实施例的牙刷的透视图；
图2是图1所示牙刷的刷头和一个牙齿清洁元件的部分剖视图；
图3是图2中沿3-3线的剖视图；
图4是另一种牙齿清洁元件的前视图；
图5是图4所示牙齿清洁元件的侧视图；和
图6是表示移动刷毛簇与固定刷毛簇在牙齿之间的间隙中邻间停留时间的比较图。
具体实施方式
首先从图1开始，一个牙刷8包括一个刷柄10，一个刷头12从该刷柄10延伸。刷头12包括第一组牙齿清洁元件14，例如刷毛簇，该刷毛簇以传统的方式固定于所述刷头(例如通过植毛或者热生簇(stapling or hot-tufting))。元件14设计成用来清洁牙齿暴露的表面。
第二组牙齿清洁元件16被固定于刷头12，使每个元件能够在牙刷的使用过程中独立地围绕一根轴线转动。每个元件16可以是一个刷毛簇，或者一单个整体地由塑料或者橡胶制成的叶片。元件16设计成刺穿入牙齿之间以清洁牙齿之间的空间。
与刚性地固定于刷头12的元件14相比，元件16邻间的停留时间被显著地增加。进行了实验，其中对固定刷毛簇向前约0度(如元件14)和16度角度时邻间的停留时间进行确定，并对如元件16的转动刷毛簇邻间的停留时间进行确定。所述刷毛簇每个具有平均40根刷毛，每个刷毛具有7密耳的直径。在一个单丝侧试仪(SFT)上测量停留时间，其中所加载荷为4g/簇，速度为0.5至10in/s之间。
图6表示了在牙齿之间的间隙中邻间的可移动刷毛簇和固定刷毛簇时间，其中，所述曲线由上而下分别由符号“□”(可移动的：y＝0.7354x0.9917R2＝0.9981)、“△”(16度时固定的：y＝0.4999x1.062R2＝0.9881)和
Figure BDA0000086805880000031
(0度时固定的：y＝0.3138x1.4154R2＝0.7939)表示。对4次实验的结果数据取平均值。误差棒(error bars)表示了95％可信度的平均误差。该实验数据表明：与成角度的固定刷毛簇相比，转动刷毛簇经历了1.6倍多的邻间的停留时间；与垂直的固定刷毛簇相比，转动刷毛簇经历了2.7倍多的邻间停留时间。更多的邻间停留时间转换成了在牙齿之间更好的清洁。
参照图2和图3，描述使元件16转动的结构和制造方法。元件16在其下端包括一个整体式支承部18，后者具有圆柱形状并且在其端部倒圆。支承部18能够或者由熔融制造元件16的一部分材料形成，或者通过以单独的模制操作模制该支承部形成。
这种模制操作将使用高流动性材料，例如Exxon Escorene聚丙烯PP-1105或者FINA聚丙烯3824。重要的是在模制操作过程中从两侧开浇口并且具有非常低的封装压力。最好在元件16上有一个切口，以便将支承部18固定于元件16。如果支承部18分开模制，然后固定于元件16，可以使用粘结剂来代替切口将元件16和支承部18固定在一起。
一个特定的模制操作的例子是使用90Ton Toshiba InjectionMolding Machine来模制Exxon Escorene Polypropylene PP-1105。温度曲线是一个350F的桶部温度(barrel temperature)，一个350F的后部温度(rear temperature)，一个405F的前部温度(fronttemperature)和一个390F的喷嘴温度。模制温度最好约90F，并且使用1/16英寸的喷嘴。填充时间是0.25秒，向前螺旋时间是3.75秒，喷射时间是4.00秒，冷却时间是15秒。峰值液压为250psi。
刷头12实际上由一个顶部构件22和一个底部构件24构成。这两构件在分开的模制步骤中形成，其中构件22与牙刷柄整体模制。元件16被插入在顶部构件22中的一个孔25中，最后其端部支承在如图所示的位置上。孔25包括一个支承部窝20，后者抓住支承部18。最好在支承部窝20中插入一种粘性物质，例如一些食品级油脂，以为元件16的转动提供一定的阻力，从而防止所述元件松散地前后跳动。最后，构件24固定于构件22，以便将支承部18保持于承窝20中。构件24能够通过例如咬合结构(未图示)或者热焊接固定于构件22。或者，构件22能够在其位置注射成型。
另外一个制造方法中，刷头的两个构件22、24围绕支承部18注射成型为整体式刷头(和刷柄)。需要更高熔融温度材料用于元件16和支承部18，从而使其在刷头/刷柄的注射成型过程中不会软化/熔融。元件16能够在通过前后转动该元件、以便刷头的一部分塑料与所述转动干涉时释放该元件而完成牙刷后进行切割。
如上所述的设置允许元件16仅仅围绕一根轴线26前后转动，所述轴线最好基本上垂直于元件16的一根长轴。最好，元件16能够在所述垂直方向的两侧都能转动30度。孔25的顶部限制着元件16的转动量。应当注意到，不存在将元件16返回其原始位置的弹性力或者其它力，从而该元件可以在刷牙过程结束时在60度的自由运动的范围内在无限数量的位置结束。
或者，支承部18可以制造成球形。使用这种球形支承部将只允许元件16仅仅围绕一根轴线转动，如图2所示，刷头12配合元件16的相对侧面，从而限制只围绕一根轴线的转动。
现在参照图4和5，将描述另外一种牙齿清洁元件。元件30包括一个牙齿清洁部分32，后者可以是一个刷毛簇或者一整体式塑料或者橡胶叶片。一个由柔软塑料或者弹性体制成的铰链34(例如一个活铰链)被注射成型在清洁部分32上。制造铰链34的材料必须仔细选择，因为如果其太柔软，对元件16的保持太差，如果该材料太硬，所述铰链将不具有足够的柔性。所述胶链最好由GLS公司的DYNAFLEX热塑性橡胶复合物G2780或者G2711制造，并且能够在上述条件下注射成型。所述活铰链允许清洁部分32基本上只围绕一根轴线36转动，所述轴线36如上所述，最好基本上垂直于所述部分32的一根长轴。对转动的阻力随部分32移动离开一个垂直于所述牙刷头的顶部表面的位置而增加。一个具有整体式刷柄(未图示)的牙刷头38围绕一个活铰链34的基部注射成型，以便将活铰链34保持在所述牙刷头中(如图4所示)。

Claims (46)

1.一种牙刷头，其包括一个顶部表面，一个支承部窝，从所述牙刷头的所述顶部表面延伸的一个牙齿清洁元件，其中所述牙齿清洁元件包括用于接触牙齿的一个弹性体的第一部分，以及一个第二部分，其中所述第二部分可转动地设置在所述支承部窝中，并且其中所述第一部分独立于所述第二部分形成，并且其中所述第一部分连接在所述第二部分上。
2.根据权利要求1所述的牙刷头，其还包括多个所述牙齿清洁元件。
3.根据权利要求1所述的牙刷头，其特征在于，所述牙齿清洁元件为叶片的形式。
4.根据权利要求1所述的牙刷头，其特征在于，所述第二部分为支承部。
5.根据权利要求1所述的牙刷头，其特征在于，第二牙齿清洁元件具有60度的转动范围。
6.根据权利要求1所述的牙刷头，其特征在于，所述转动范围受限于所述牙刷头的一部分。
7.根据权利要求1所述的牙刷头，其特征在于，所述顶部表面具有一个孔，其中所述牙齿清洁元件从所述孔延伸。
8.根据权利要求2所述的牙刷头，其还包括多个不能转动的第二牙齿清洁元件。
9.根据权利要求8所述的牙刷头，其特征在于，所述牙齿清洁元件以及所述第二牙齿清洁元件交替地布置在所述牙刷头的一个边缘附近。
10.根据权利要求9所述的牙刷头，其特征在于，所述多个第二牙齿清洁元件约为4个。
11.根据权利要求8所述的牙刷头，其特征在于，所述多个第一牙齿清洁元件以及所述多个第二牙齿清洁元件交替地布置在所述牙刷头的两个边缘附近。
12.根据权利要求1所述的牙刷头，其特征在于，所述第二部分通过模制而成。
13.一种牙刷，其包括根据权利要求1所述的牙刷头以及连接在所述牙刷头上的一个刷柄。
14.一种牙刷头，其包括一个具有一个第一孔的顶部表面，一个与所述第一孔相对的一个第二孔，一个支承部窝，一个从所述牙刷头的所述顶部表面延伸的可转动的牙齿清洁元件，其中所述牙齿清洁元件包括一个用于接触牙齿的第一部分以及一个第二部分，其中所述第二部分设置在所述支承部窝中，并且其中所述第二孔被一个构件覆盖，所述构件形成与所述牙刷头的所述顶部表面相对的所述牙刷头的一个底部表面。
15.根据权利要求14所述的牙刷头，其还包括多个所述可转动的牙齿清洁元件。
16.根据权利要求15所述的牙刷头，其还包括多个不能转动的第二牙齿清洁元件。
17.根据权利要求14所述的牙刷头，其特征在于，所述牙齿清洁元件的所述第一部分包括弹性体。
18.根据权利要求17所述的牙刷头，其特征在于，所述牙齿清洁元件为叶片的形式。
19.根据权利要求14所述的牙刷头，其特征在于，所述第二部分为支承部的形式。
20.根据权利要求14所述的牙刷头，其特征在于，所述牙齿清洁元件具有60度的转动范围。
21.根据权利要求20所述的牙刷头，其特征在于，所述转动范围受限于所述牙刷头的一部分。
22.根据权利要求16所述的牙刷头，其特征在于，所述多个可转动的牙齿清洁元件以及所述多个第二牙齿清洁元件交替地布置在所述牙刷头的一个边缘附近。
23.根据权利要求22所述的牙刷头，其特征在于，所述多个牙齿清洁元件约为4个。
24.根据权利要求16所述的牙刷头，其特征在于，所述多个可转动的牙齿清洁元件以及所述多个第二牙齿清洁元件交替地布置在所述牙刷头的两个边缘附近。
25.一种牙刷，其包括根据权利要求14所述的牙刷头，以及连接在所述牙刷头上的一个刷柄。
26.一种牙刷头，其包括一个具有一个孔的顶部表面，以及一个从所述孔延伸的牙齿清洁元件，其中所述牙齿清洁元件包括弹性体，并且其中所述牙齿清洁元件可转动地设置在所述牙刷头的一个支承部窝中。
27.根据权利要求26所述的牙刷头，其还包括多个所述牙齿清洁元件。
28.根据权利要求27所述的牙刷头，其还包括多个不能转动的第二牙齿清洁元件。
29.根据权利要求26所述的牙刷头，其特征在于，所述牙齿清洁元件为叶片的形式。
30.根据权利要求26所述的牙刷头，其特征在于，所述牙齿清洁元件具有60度的转动范围。
31.根据权利要求30所述的牙刷头，其特征在于，所述转动范围受限于所述牙刷头的一部分。
32.根据权利要求28所述的牙刷头，其特征在于，所述多个可转动的牙齿清洁元件以及所述多个第二牙齿清洁元件交替地布置在所述牙刷头的一个边缘附近。
33.根据权利要求32所述的牙刷头，其特征在于，所述多个牙齿清洁元件约为4个。
34.根据权利要求28所述的牙刷头，其特征在于，所述多个第一牙齿清洁元件以及所述多个第二牙齿清洁元件交替地布置在所述牙刷头的两个边缘附近。
35.一种牙刷，其包括根据权利要求27所述的牙刷头以及连接在所述牙刷头上的一个刷柄。
36.一种牙刷头，其包括一个顶部表面，以及从所述顶部表面延伸的一个牙齿清洁元件，其中所述牙齿清洁元件包括一个活铰链。
37.根据权利要求36所述的牙刷头，其还包括多个所述牙齿清洁元件。
38.根据权利要求37所述的牙刷头，其还包括多个不能转动的第二牙齿清洁元件。
39.根据权利要求36所述的牙刷头，其特征在于，所述牙齿清洁元件包括弹性体。
40.根据权利要求36所述的牙刷头，其特征在于，所述牙齿清洁元件为叶片的形式。
41.根据权利要求36所述的牙刷头，其特征在于，所述牙刷头还包括一个支承部窝，以及所述牙齿清洁元件设置在所述支承部窝中。
42.根据权利要求38所述的牙刷头，其特征在于，所述牙刷头还包括一个顶部表面，并且所述顶部表面具有一个孔，其中所述牙齿清洁元件从所述孔延伸。
43.根据权利要求38所述的牙刷头，其特征在于，所述多个第一牙齿清洁元件以及所述多个第二牙齿清洁元件交替地布置在所述牙刷头的一个边缘附近。
44.根据权利要求43所述的牙刷头，其特征在于，所述多个牙齿清洁元件大约为4个。
45.根据权利要求38所述的牙刷头，其特征在于，所述多个第一牙齿清洁元件以及所述多个第二牙齿清洁元件交替地布置在所述牙刷头的两个边缘附近。
46.一种牙刷，其包括根据权利要求36所述的牙刷头以及连接于所述牙刷头的一个刷柄。
CN201110249290.XA 2000-03-16 2001-03-08 牙刷 Expired - Lifetime CN102356944B (zh)

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US6553604B1 (en) 2003-04-29
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USRE44819E1 (en) 2014-04-01
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AU5003101A (en) 2002-05-21
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RU2006107970A (ru) 2007-09-27
CN1418068A (zh) 2003-05-14
RU2359592C1 (ru) 2009-06-27
EP1265511A1 (en) 2002-12-18
CN102356944B (zh) 2015-12-09
RU2009105346A (ru) 2010-08-27
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AU2006228066B2 (en) 2010-02-18
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EP1265511B1 (en) 2013-06-05
WO2002038004A1 (en) 2002-05-16
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RU2279841C2 (ru) 2006-07-20

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