CN101056555B - 牙刷及制造牙刷的方法 - Google Patents
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- A—HUMAN NECESSITIES
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- 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
- A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
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Abstract
一种可向使用者提供提高的清洁能力和口腔护理的牙刷。此牙刷具有一个带有可产生特型清洁轮廓的清洁元件的牙刷前端。这些清洁元件具有相对基准面的不同的插入深度以便确定特型清洁轮廓而无需在固定后对清洁元件进行修剪。因此,不同长度的锥形刷毛也可以用来形成特型清洁轮廓。
Description
技术领域
本发明涉及具有清洁元件独特安装法的牙刷,该安装法特别有利于形成特型清洁轮廓,并且尤其有利于形成由锥形刷毛形成的特型轮廓。本发明也涉及制作此种牙刷的新工艺。
背景技术
牙刷是用来通过从牙面、牙龈、邻接牙齿中间的邻接近端间的区域以及牙齿和牙龈中间的边缘区域去除牙斑和碎屑。为了提供舒适和加强的清洁功能,牙刷具有多种清洁元件和轮廓。比如,为了更有效地清洁牙齿和牙龈,很长时期以来具有刷毛簇的牙刷一直采用特型轮廓。除此之外,一直使用锥形刷毛来使邻接近端间区域的清洁的舒适度和清洁能力提高。
然而,迄今尚未实现锥形刷毛和特型轮廓的有利效果的结合。一般是将刷毛固定在牙刷的前端,然后对其进行修剪以取得所要求的轮廓。通常的刷毛修剪工艺妨碍在牙刷中采用锥形刷毛,就是说,锥形刷毛此前局限于平面轮廓以避免锥形端部受到修剪。
此外,通常的牙刷制作工艺需要多个工序才能取得特型轮廓,包括将刷毛固定到牙刷前端和一个或一个以上的工序来对固定好的刷毛进行修剪和使其顶端圆钝。
发明内容
本发明涉及具有清洁元件独特安装结构的牙刷。此结构在形成具有锥形刷毛的特型清洁轮廓尤其有效。
在本发明的一个方案中,清洁元件以不同深度固定于牙刷前端内以使其在清洁配置方式上具有多功能性和改进的制作工艺。
在本发明的另一个方案中,锥形清洁元件从牙刷前端延伸而形成特型清洁轮廓以便进行更有效的清洁。
在本发明的另一个方案中,锥形刷毛以独特方式安装在牙刷的前端内以确定特型清洁轮廓。在一种结构中,由不同长度形成的锥形刷毛以一种配置方式固定于牙刷前端而形成所要求的轮廓。在另一种结构中,锥形刷毛以不同的插入深度固定于牙刷前端以确定所要求的特型清洁轮廓。
在本发明的另一个方案中,牙刷是通过将清洁元件以不同深度固定于牙刷前端而形成的。另外一种替代方式是具有其他长度的锥形刷毛可固定于牙刷前端中。采用这两种方式中的任何一种,都可以形成特型清洁轮廓而无需对清洁元件进行修剪或使其顶端圆钝。取消此种通常的固定后步骤可提高此种刷毛的制作。加之,采用这一工艺,锥形清洁元件可有效地在具有特型轮廓的牙刷中使用。
附图说明
图1为只示出单个清洁元件的根据本发明的牙刷的剖视立体图。
图2为图1的牙刷的侧视图。
图3为可用于图1的牙刷中的清洁元件样品的侧视图。
图4为可用于图1的牙刷中的另一种清洁元件样品的侧视图。
图5为沿着图1中的线V-V取得的牙刷的横截面剖视图。
图5A为另一实施方式的牙刷前端的部分纵向横截面剖视图。
图5B为另一实施方式的牙刷前端的部分纵向横截面剖视图。
图6为牙刷的另一实施方式的牙刷前端的纵向横截面剖视图。
图7为牙刷的另一实施方式的牙刷前端的横向横截面剖视图。
图8为另一实施方式的牙刷前端的部分纵向横截面剖视图。
图9为另一实施方式的牙刷前端的纵向横截面剖视图。
具体实施方式
图1和图2示出根据本发明的牙刷10。牙刷10包含牙刷杆12、杆颈14和牙刷前端20。一般为簇30形状的清洁元件50是固定于牙刷前端20用来对使用者的牙齿及牙龈进行清洁。此清洁元件优选为锥形刷毛(比如,见图3及图4),虽然此清洁元件也可以由非锥形刷毛或包含锥形和/或非锥形元件的各种形式的弹性体或其他的清洁元件形成。如图2和图5所示,簇30及与其相结合的清洁元件50优选为在牙刷前端20上形成用于提高清洁能力的特型清洁轮廓(即适合接合牙齿的清洁元件的远端的集合轮廓)。虽然在图中示出的是清洁元件的简单的弓形轮廓,但实际上可以使用任何特型轮廓。
在一种结构中,牙刷前端20包含具有多个分开的孔洞40的安装表面24,每一个接受一簇锥形刷毛簇30或其他清洁元件50。可以形成孔洞40来使其每个接受同样数目和类型的清洁元件或不同数目或类型的清洁元件。比如,多个孔洞40可接受单个牙齿护理元件50,如按摩元件,而其余的孔洞40接受牙齿护理元件50,如刷毛,的簇30。
在一实施方式中,每个刷毛50具有锚定部54和一对延伸到终端52的股线55(图3)。锚定部54适合固定在孔洞40内,一般是与多个其他刷毛一起形成一个簇30。股线55从牙刷前端20向外延伸以接合和清洁使用者的牙齿和牙龈。每根股线55可作成如图3所示的锥形。另外一种替换方式是一根股线可以是锥形的55’,而另一个股线55”则不是(图4)。此非锥形股线55”可以不像锥形股线55’那样长,以使其不干扰锥形股线55’的刷牙动作。此锥形工作终端52可以更好地进入牙齿中间区域及牙齿和牙龈中间区域,并且在其中间进入得更深以便有效地进行清洁。在两种情况的任何一种之下,此种刷毛在此处称为锥形刷毛50。另外,此种刷毛可由纤维、弹性材料等等形成,并且具有长度相等或不等的实质上是任何横截面形状和均匀或变化的横截面形状的股线。
如图3所示,锥形刷毛一般包含与安装面24紧接的具有非锥形基部56和用于接合使用者的牙齿和牙龈的锥形工作部60。每个清洁元件50的锥形部60在点A和工作终端52中间延伸。在示出的实施方式中,清洁元件50每一个在其锚定部54和点A中间都没有锥形部。只是作为一个示例,点A与相应的终端52的距离可大约在6.5mm至12mm之间。在一优选实施方式中,点A位于与终端52大约10.5mm处。虽然如此,但点A与锚定部54的距离可靠近或远离,或者股线可沿着其整个长度成为锥形。此外,刷毛可以只是一根股线或分开成为两根以上的股线。还有,不是刷毛的清洁单元也可以包含同样的特点。
在图5示出的实施方式中,刷毛或一台清洁元件50每一个都具有同样的长度(虽然这一点并不重要)为优选。接受这些清洁元件50的孔洞40相对基准面70具有不同的插入深度以求产生所要求的特型清洁轮廓。基准面70大致平行于接合使用者牙齿的平面(即大致沿着两颗相邻牙齿的外表面延伸的想象的平面),并且与安装表面最外面部分同延。在此实施方式中,基准面与安装面24同延。在一种结构中,簇30固定于孔洞40中使股线55从安装面24向外延伸而与牙刷前端20分离。孔洞40的深度决定清洁元件离开安装面24延伸的长度,从而产生特型清洁轮廓。可以意识到,相邻孔洞40可从安装面24向牙刷前端20内延伸相同距离或不同距离。
在一个示例中,第一孔洞42从安装面24向牙刷前端20内延伸第一距离L1(图5)。第二孔洞44从安装面24向牙刷前端20内延伸第二距离L2。第二距离L2,在此示例中,比第一距离大。不过,第二距离可以小于(或等于)第一距离,这取决于所要求的清洁轮廓的特型。同样,牙刷前端20可包含一个向牙刷前端20内延伸第3距离L 3的第3孔洞46。此第3距离可以大于或小于第一距离和第二距离中的任何一个或两者。可以意识到,可以使用在不同深度设置的任何数目的孔洞。在图5的示例中,牙刷前端20包含多个延伸第一距离的孔洞42,多个延伸第二距离的孔洞44和多个延伸第三距离的孔洞46。
孔洞40的横截面大致是圆形,虽然孔洞可以具有任何形状的横截面,包含正方形、矩形、菱形、十字形等等。在一个示例中,孔洞40具有在大约1.2和2.0mm之间的直径,并且深度一般延伸大约2-5mm。不过也可以按照要求使用其他的直径和深度。
锥形刷毛一般按照设定用于牙刷的长度制作。如上所述,具有同样长度的刷毛可用来形成特型清洁轮廓而无需对其进行修剪或使其顶端圆钝。另外,使用做成长度不同的刷毛也可以用来在采用或不采用改变孔洞长度或刷毛插入牙刷前端内的深度的情况下确定特型清洁轮廓。从图5A可知,第一长度的第一组锥形刷毛50a固定于孔洞40a内。与此类似,比第一长度短的第二长度的第二组锥形刷毛50b固定于孔洞40b内。在此结构中,从安装面24’算起孔洞40a和40b都具有同样的深度。不过,可以意识到,将尺寸不同的锥形刷毛固定于牙刷前端中可以用来确定各种清洁轮廓。只是作为一个示例,锥形刷毛可形成为分别具有30mm和26mm的总长。由于刷毛在使用时会发生弯折的特性,这将在从牙刷前端20’延伸的簇30a、30b的投影长度中产生大约2mm的差别。也可以使用其他长度和另外数目的不同长度来确定所要求的特型清洁轮廓。刷毛当然也可以通过锚定于预先形成的孔洞内而固定于牙刷前端之内。最后,不同孔洞和不同刷毛长度的组合可以用来以合作方式实质上形成任何具有锥形刷毛的特型轮廓。
虽然图5示出具有均匀形状和取向的孔洞,但插入深度可以以其他替代方式变化。比如,孔洞47可以由互相弯曲构成弯角或弧形段48、49形成(图6、图7)。在此示图中,第一段48大致垂直于牙刷前端的轴线65延伸,而第二段49在牙刷前端20内与第一段形成角度延伸。在此示例中,第二段49相对第一段形成大约45或90度的角度。不过,第二段相对第一段几乎可以具有任何角度的取向。也可以使用附加的弯角或弧形段(即大于2)来进一步增加清洁元件的插入深度。可以意识到,插入深度是沿着清洁元件测定的长度此外,清洁元件在孔洞47内的插入深度(或模制进入同样形状的牙刷前端)是段48、49的长度和。使用此种非线性段容许孔洞具有不同的插入深度而无需进一步延伸进入牙刷前端。此外,即使是孔洞确实从安装面24起延伸不同的距离,采用非线性嵌入段可以减小牙刷前端的厚度。
可以认为插入普通孔洞40的清洁元件50是固定在其基部56下面的一个公共点,并且是同一簇30的一部分。与此类似,可以认为清洁元件的单个簇(比如,刷毛)具有从牙刷前端算起的同样高度,即使是其伸展的差别不大。清洁元件50可以通过公知的技术,包括,比如,钉入、植入或粘合,固定在簇孔洞内。清洁元件也可通过其他方式,如将清洁元件通过模制进入牙刷前端(比如,以模制成簇或锚片自由成簇方式),但不包括预先形成孔洞,锚定于牙刷前端之内。不管以何种方式将清洁元件固定在牙刷前端之内,清洁元件都可以以不同长度或插入深度固定,并且采用或不采用弯曲的嵌入段。
本发明的其他方式包括使用具有非平面安装面24的牙刷前端。比如,牙刷前端20a可包含一个形成上安装面24a和下安装面24b的凹槽72(图8)。在此示例中,刷毛超出其各自安装面24a、24b延伸进入到牙刷前端内相等距离,不管其是安装于预先形成的孔洞,模制进入牙刷前端还是以其他方式粘接。在此种实施方式中,刷毛相对基准面70a以不同的插入深度固定于牙刷前端之内。在此场合,基准面与上安装面24a同延。
另一种方式的牙刷前端20b包含一个弧形安装面24c(图9)。虽然刷毛或其他清洁元件可延伸进入到牙刷前端之内与安装面24相同距离处,但其每一个相对基准面70b却都具有不同的插入深度。此基准面大致平行于接合使用时的使用者牙齿的平面,并且从安装面的最外部起延伸。当然,也可以在具有非平面安装面的任何牙刷前端中使用非线性嵌入段。
这些实施方式的每一个的共同特点是相对大致平行于在使用时由牙齿形成的接合面的插入深度是不同的,并且是从安装面的最外部起延伸(即指从牙刷前端向着清洁元件的投影方向外部)。插入深度由清洁元件从基准面起延伸的长度确定。清洁元件距离该平面的直线长度是沿着清洁元件的轴线延伸的直线距离(无论是具有直线的还是弯曲的嵌入段),而不是从基准面到清洁元件最远部分的实际距离。在具有平面安装面的普通牙刷中,基准面与安装面同延。然而,在采用非平面安装面时,可以认为基准面是从安装面的最外部其延伸。
在上述实施方式中的任何一种之中,清洁元件50可从牙刷前端20在垂直于安装面24的方向上向外延伸(比如,见图5)或相对牙刷前端20”的安装面24”构成不同角度(比如,见图5B)。这样,就可以选择清洁元件构型、材料和取向的组合来提供企图达到的口腔卫生益处,如增加清洁能力、牙齿清洗、牙齿加白、牙龈按摩和/或舒适度。
通过将清洁元件以不同插入深度固定于牙刷前端,可以得到特型清洁轮廓而无需在固定到牙刷前端内之后对清洁元件进一步进行成形(比如,进行修剪或使其顶端圆钝)。因此,在制作工艺过程中整个加工过程的工序可以省去。另外,此加工工艺有利于在特型清洁轮廓中使用锥形刷毛。最后,此加工工艺可以应用于广泛的制造工艺,比如,将刷毛固定于预先形成的孔洞或在现场将刷毛模制于牙刷前端之内。
虽然此处只揭示了数种牙刷变型方案,但本发明,比如,可以应用于具有多种牙刷前端、牙刷杆和材料的变型方案的牙刷之中。另外,此种牙刷可以是动力驱动牙刷。牙刷前端20也可以以活动方式固定于牙刷杆12,不论其为动力驱动型还是手动型。另外,本专业领域的人士可以意识到上述的系统和技术有多种变型和置换。应该理解,可以采用其他实施方式来改变结构和功能而无需脱离本发明的范围。这样,本发明的精神和范围应该确定为如后述的权利要求所述。
Claims (20)
1.一种牙刷,包括:包含安装面的牙刷前端,安装面包括从安装面延伸进牙刷前端第一深度的至少一个簇孔洞,从安装面延伸进牙刷前端第二深度的至少一个簇孔洞,从安装面延伸进牙刷前端第三深度的至少一个簇孔洞;以及具有锥形终端的刷毛簇,固定于各簇孔洞内,其中刷毛簇都具有相同长度并从安装面延伸以接合并清洁使用者的牙齿,刷毛簇的锥形终端相对于基准面形成特型清洁轮廓以接合并清洁使用者的牙齿,并且第一深度、第二深度和第三深度是不同的。
2.如权利要求1所述的牙刷,其中所有刷毛簇在大致与基准面垂直的取向上延伸。
3.如权利要求1所述的牙刷,其中一个或多个簇孔洞包含在牙刷前端内互相弯曲的两段。
4.如权利要求3所述的牙刷,其中两段中的第一段大致垂直于基准面延伸。
5.如权利要求4所述的牙刷,其中第一段是初始贯穿安装面的部分。
6.如权利要求1所述的牙刷,其中每一个刷毛都具有固定于牙刷前端内的锚定部分和一对从牙刷前端向外延伸与牙齿接合并清洁牙齿的股线。
7.如权利要求6所述的牙刷,其中至少一根股线在终端是锥形的。
8.如权利要求6所述的牙刷,其中每一根股线在终端都是锥形的。
9.如权利要求1所述的牙刷,其中安装面大致是平面并与基准面同延。
10.如权利要求1所述的牙刷,其中安装面是非平面。
11.如权利要求1所述的牙刷,其中安装面是圆弧形。
12.一种牙刷,其构成包括:包含大致为平面的安装面的牙刷前端;从所述安装面延伸进入所述牙刷前端第一距离的具有锥形终端的第一刷毛簇;以及至少一个从所述安装面延伸进入所述牙刷前端第二距离的具有锥形终端的第二刷毛簇,所述第二距离大于所述第一距离;
其中,第一刷毛簇和第二刷毛簇具有相同长度;
其中,第一刷毛簇和第二刷毛簇从安装面以基本垂直的取向延伸以接合和清洁使用者的牙齿,刷毛簇的锥形终端相对于基准面形成特型清洁轮廓,基准面基本与安装面同延。
13.如权利要求12所述的牙刷,其中牙刷前端包含第一刷毛簇和第二刷毛簇固定于其中的预先确定的孔洞。
14.如权利要求12所述的牙刷,其中第一刷毛簇和第二刷毛簇是模制进入牙刷前端。
15.如权利要求12所述的牙刷,其中至少第一刷毛簇和第二刷毛簇之一在牙刷前端的部分之中包含一个包含互相弯曲的两段的部分。
16.一种制作牙刷的方法,其构成包括:
形成具有安装面的牙刷前端;
将具有进入牙刷前端的安装面的第一插入深度的第一锥形刷毛簇固定于牙刷前端内;以及
将具有进入牙刷前端的安装面的第二插入深度的第二锥形刷毛簇固定于牙刷前端内;其中第一与第二插入深度不同,以使第一锥形刷毛簇和第二锥形刷毛簇形成用来接合和清洁使用者牙齿的特型清洁轮廓;其中固定于牙刷前端的第一锥形刷毛簇和第二锥形刷毛簇都具有相同的长度。
17.如权利要求16所述的方法,其中牙刷前端的形成包含在安装面中形成多个孔洞,并且第一锥形刷毛簇和第二锥形刷毛簇的固定包含将第一锥形刷毛簇和第二锥形刷毛簇固定于孔洞内。
18.如权利要求16所述的方法,其中第一锥形刷毛簇和第二锥形刷毛簇的固定包含将第一锥形刷毛簇和第二锥形刷毛簇的每一个的一部分模制于牙刷前端内。
19.如权利要求16所述的方法,其中第一锥形刷毛簇和第二锥形刷毛簇中至少一个的固定包含将所述第一锥形刷毛簇和第二锥形刷毛簇的一部分固定而进入牙刷前端以使此部分包含互相弯曲的两段。
20.如权利要求17所述的方法,其中每个第一锥形刷毛簇和第二锥形刷毛簇的终端形成所述特型轮廓并在固定于牙刷前端之后无需进一步成形。
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2004
- 2004-11-02 US US10/978,477 patent/US8042217B2/en active Active
-
2005
- 2005-10-25 AU AU2005302591A patent/AU2005302591B2/en not_active Ceased
- 2005-10-25 BR BRPI0514956A patent/BRPI0514956B1/pt not_active IP Right Cessation
- 2005-10-25 MX MX2007001616A patent/MX2007001616A/es active IP Right Grant
- 2005-10-25 RU RU2007120527/12A patent/RU2382585C2/ru not_active IP Right Cessation
- 2005-10-25 EP EP05823255.4A patent/EP1827164B1/en not_active Not-in-force
- 2005-10-25 KR KR1020077009444A patent/KR101285993B1/ko not_active IP Right Cessation
- 2005-10-25 WO PCT/US2005/038810 patent/WO2006050039A1/en active Application Filing
- 2005-10-25 CN CN2005800382202A patent/CN101056555B/zh not_active Expired - Fee Related
- 2005-10-25 CA CA2575767A patent/CA2575767C/en not_active Expired - Fee Related
- 2005-10-27 MY MYPI20055058 patent/MY150499A/en unknown
- 2005-11-01 TW TW094138183A patent/TWI383760B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
AU2005302591B2 (en) | 2011-06-09 |
RU2007120527A (ru) | 2008-12-10 |
RU2382585C2 (ru) | 2010-02-27 |
KR20070073817A (ko) | 2007-07-10 |
EP1827164A1 (en) | 2007-09-05 |
TW200635535A (en) | 2006-10-16 |
BRPI0514956B1 (pt) | 2017-03-14 |
MX2007001616A (es) | 2007-04-10 |
TWI383760B (zh) | 2013-02-01 |
MY150499A (en) | 2014-01-30 |
BRPI0514956A (pt) | 2008-07-01 |
CN101056555A (zh) | 2007-10-17 |
CA2575767A1 (en) | 2006-05-11 |
CA2575767C (en) | 2013-08-20 |
EP1827164B1 (en) | 2016-10-19 |
KR101285993B1 (ko) | 2013-07-15 |
US8042217B2 (en) | 2011-10-25 |
WO2006050039A1 (en) | 2006-05-11 |
AU2005302591A1 (en) | 2006-05-11 |
US20060090276A1 (en) | 2006-05-04 |
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CN1449256A (zh) | 毛刷制品 | |
JPH09299147A (ja) | 歯ブラシ |
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