CN1107470C - 带有易挠压力垫的牙刷 - Google Patents

带有易挠压力垫的牙刷 Download PDF

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Publication number
CN1107470C
CN1107470C CN95194809A CN95194809A CN1107470C CN 1107470 C CN1107470 C CN 1107470C CN 95194809 A CN95194809 A CN 95194809A CN 95194809 A CN95194809 A CN 95194809A CN 1107470 C CN1107470 C CN 1107470C
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toothbrush according
toothbrush
handle body
shaft arm
pressure pad
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Expired - Lifetime
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CN1156397A (zh
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B·D·海因策尔曼
D·R·拉蒙德
R·潘多夫
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Unilever NV
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Unilever NV
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
    • A46B5/026—Grips or handles having a nonslip section
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/42—Brushes
    • B29L2031/425—Toothbrush
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S16/00—Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/12—Hand grips, preformed and semi-permanent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S16/00—Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/18—Composition handles

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  • Brushes (AREA)

Abstract

一种牙刷(1)，其柄体(4)有一种特殊结构。柄体(4)包括细长柄臂(14)，该柄臂由肖氏硬度值至少为90的塑料制成。压力垫(16)连接到柄臂(14)上并由肖氏硬度值不超过80的弹性体制成。细长柄臂(14)在其与牙刷头的连接区域附近有一凹槽(18)。压力垫(16)装在凹槽(18)内。至少一径向防滑结构，特别是半环形结构(32)从柄臂的底面和侧面伸出并环绕底面和侧面。

Description

带有易挠压力垫的牙刷
本发明涉及一种牙刷，该牙刷具有双材料结构的特殊柄体，上述结构适合人手的压力，能改善对柄体的抓握并且具有径向防滑的优点。
在过去几年中，已有大量新式牙刷投入市场。例如科尔盖特·帕尔莫利夫(Colgate-Palmelive)公司正在销售的一种被称为Precision牙刷的产品。该牙刷除具有一个特殊的牙刷头外，还包括一波纹柄体，该柄体上下表面都覆盖有一层不同于柄体前部和侧面的材料。在硬度方面，上/下表面材料(肖氏硬度为86)与侧面/前部材料(肖氏硬度为95～100)仅有很小的差别。美国专利Des.342,160(Guntis等)和Des.342,162(Cuntis等)包括了上述科尔盖特·帕尔莫利夫产品的设计方面。
一种类似的设计思路已融入宝洁公司(P&G)的一种产品，佳洁士(Gest Complete)牙刷中。WO 91/19437(Volpenhein等)中的图1示出了这种佳洁士牙刷。其柄体上下表面的主要部分都覆盖有一层材料(肖氏硬度为89)而侧面(肖氏硬度为95-100)未被覆盖。
在Smithkline Beecham公司的商标名为Aqua Fresh的产品中，已经引入了双材料柄体。与其竞争产品类似，柄体上下表面的主要部分覆盖有一层不同于柄体其余部分(肖氏硬度为95-100)的材料(肖氏硬度为88)。在美国专利Des.328,977(哈姆(Halm))中披露了有关的牙刷。
美国专利Des.334,288(Witzig-Jaggi)披露了一种双材料牙刷，其中柄体的上表面厚度呈倾斜性变化。
使用两种材料，主要是出于美学目的，其次是提高对手柄的抓握力。
在含有柔性壁的牙刷中包括搅动和传送牙膏的中空贮存腔。这类技术已在法国专利2,680,456(Cristea)和法国专利2,680,656(Charpentier)中公开。
另一各对牙刷技术的改进在于使用波纹柄体。WO 93/15627(哈姆(Halm))描述了一种柄体，该柄体具有由弹性体区包围的整体波纹心部，由该波纹心部赋予柄体弹性。这种波纹在德国专利DE4,222,931(汉高)中也被使用。在该专利中描述了一种带肋柄体，每根肋的横截面都为矩形。
从上面简要描述的专利可以看出在这一技术领域已有许多改新。而且还为进一步改进类型留有余地。
相应地，本发明的一个目的在于提供一种有柄体的牙刷，其柄体有足够的弹性适合于使用者手指施加的压力。
本发明的另一目的是提供一种牙刷，该牙刷使用时比普通牙刷更为轻松。
本发明的又一目的是提供一种牙刷，该牙刷的特点是能减小径向和纵向滑移，并且不管沿目标周围何处施加手指压力，都能增加抓握力。
本发明所提供的牙刷包括：
牙刷头，该牙刷头具有自底座和从底座上伸出的刷毛簇，该牙刷头具有第一和第二端部；和
柄体，柄体连接到牙刷头的第二端部上，该柄体包括：一沿柄体长度方向的细长柄臂，柄臂由肖氏硬度值至少为90的塑料制成；一个压力垫连接到柄壁上并由肖氏硬度值不超过80的弹性体构成。
柄臂所使用的塑料的肖氏硬度值以在95至100之间为宜。压力垫弹性体的肖氏硬度值以在30至75之间为好，在40至65之间最好。可用于本发明的塑料一般是尼龙、聚乙烯、聚碳酸酯，聚对苯二甲酸乙二酯、聚丙烯酸酯，聚甲基丙烯酸甲酯和苯乙烯/丙烯腈(SAN)。最好是用SAN。一般的弹性材料是橡胶和聚氨酯，前者选自聚异丁烯，聚丙烯和聚丁二烯。最好是孟山都(Monsanto)公司生产的聚丙烯橡胶中的一种Santoprene和Buna N橡胶。
其优点在于，柄臂在其与牙刷头连接区域附近有一凹槽。凹槽最好是鞍形的。压力垫最好放在该凹槽中。凹槽/压力垫组合的目的之一就是确定使用者放置拇指以抓握柄体的目标区域。通过加工弹性体，使其容易在压力下变形，使用者用牙刷时就会使用较小的力。比这种弹性体硬的材料在使用者手中没有足够的柔性，而导致人与机械的配合较差。
柄体的柄臂区域最好是由透明体或至少半透明塑料制成。可在塑料中加入染色剂。用作压力垫的弹性体最好是不透明的。凹槽的长度为柄体总长度的3-30％，最好占柄体总长度的10～20％。
这种牙刷的另一个特点在于柄体上的径向防滑结构。这种结构从臂的底面和两侧面突出并环绕臂的底面和两侧面。这种结构的一种优选实施例方案是半环形，该半环形结构的取向垂直于柄体和凹槽的纵轴。可以有一个以上半环形结构，优选为2至6个，最好是3个。
这种半环形结构与压力垫结合在机械方面具有优点，即，使用者沿目标区域或凹槽区域的抓紧不仅仅接触两对侧表面还接触沿手柄边缘的侧面。估计有很大一部分人在刷牙技术方面是握紧牙刷的侧面。环状的弹性体为使用者提供了握紧牙刷的目标区域，自不强迫按预定的角度方位握紧牙刷。这可以让使用者以极自然和最为习惯的方式握住牙刷。
牙刷手柄的制造首先包括柄臂的形成，使其具有适当的中空区域以接受弹性材料。随后将柄臂放在铸模中，将液化的弹性体注入铸模中，填充柄臂内的空间和铸模的空腔。压力垫和半环形防滑结构就这样一起形成。环形结构比其它任何几何形状更为优选，这是因为其更容易脱模。
上述特点，优点和本发明的目的将参照附图通过下面详细的描述来作出更全面的解释，其中：
图1是本发明的牙刷的一个实施例的平面透视图；
图2是图1所示实施例的侧视图；和
图3是图1所示实施例的顶视图。
附图示出了牙刷1，牙刷1包括牙刷头2和柄体4。牙刷头2有一底座6和一系列刷毛簇8。牙刷头2有第一端部10和第二端部12。
柄体4包括一个细长柄臂14和一个压力垫16，细长柄臂14穿过柄体4的整个长度。柄臂由肖氏硬度值至少为90的塑料制成。压力垫由肖氏硬度值不超过80的弹性体制成。
在柄臂上靠近柄臂与牙刷头连接区域形成凹槽18。纵向凹槽18在其最宽处形成一开口20。压力垫16放在凹槽18内并且全部位于凹槽开口内。
三个半环形径向防滑结构22从柄臂14的底面26和两侧面28伸出并环绕出底面26和两侧面28。
近柄体4的自由端30处是一平面32。这种平截而形成的平面使柄体容易地安装通过牙刷盒。

Claims (12)

1.一种牙刷，其包括：
牙刷头，牙刷头包括底座和从该底座上凸出的刷毛簇，上述牙刷头有第一端部和第二端部；和
与上述牙刷头的第二端部相连的柄体，该柄体包括：
一通过所述柄体全长的细长柄臂，所述细长柄臂有顶面，底面和两侧面，柄臂由肖氏硬度值至少为90的塑料制成，柄臂在其与牙刷头的连接区域附近有一凹槽；
置于所述凹槽内的压力垫，该压力垫由肖氏硬度值不超过80的弹性体制成；其特征在于
至少一个径向防滑结构，该防滑结构从所述柄臂的底面和侧面伸出并环绕柄臂的底面和两侧面。
2.根据权利要求1所述的牙刷，其特征在于，所述塑料的肖氏硬度值在95至100之间。
3.根据权利要求1所述的牙刷，其特征在于，所述弹性体的肖氏硬度值在40至65之间。
4.根据权利要求1所述的牙刷，其特征在于，所述凹槽是鞍形的。
5.根据权利要求1所述的牙刷，其特征在于，所述柄臂由透明塑料制成。
6.根据权利要求1所述的牙刷，其特征在于，所述弹性体选自橡胶和聚氨酯。
7.根据权利要求6所述的牙刷，其特征在于，所述橡胶选自聚异丁烯，聚丙烯和聚丁二烯。
8.根据权利要求1所述的牙刷，其特征在于，所述塑料选自尼龙、聚乙烯、聚碳酸酯，聚对苯二甲酸乙二酯，聚丙烯酸酯，聚甲基丙烯酸甲酯和苯乙烯/丙烯腈。
9.根据权利要求1所述的牙刷，其特征在于，所述凹槽在其开口处的长度占柄体长度的3-30％。
10.根据权利要求9所述的牙刷，其特征在于，所述凹槽的长度占柄体长度的10～20％。
11.根据权利要求1所述的牙刷，其特征在于，所述至少一个径向防滑结构是半环形的。
12.根据权利要求1所述的牙刷，其特征在于，所述压力垫和至少一个径向防滑结构是统一成形的。
CN95194809A 1994-07-07 1995-06-30 带有易挠压力垫的牙刷 Expired - Lifetime CN1107470C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/271,696 US5398369A (en) 1994-07-07 1994-07-07 Toothbrush with pliable pressure pad
US08/271,696 1994-07-07

Publications (2)

Publication Number Publication Date
CN1156397A CN1156397A (zh) 1997-08-06
CN1107470C true CN1107470C (zh) 2003-05-07

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US (1) US5398369A (zh)
EP (1) EP0768831B1 (zh)
CN (1) CN1107470C (zh)
AU (1) AU2980695A (zh)
BR (1) BR9508235A (zh)
DE (1) DE69513286T2 (zh)
ES (1) ES2139223T3 (zh)
WO (1) WO1996001577A1 (zh)
ZA (1) ZA955507B (zh)

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ES2139223T3 (es) 2000-02-01
ZA955507B (en) 1997-01-03
AU2980695A (en) 1996-02-09
CN1156397A (zh) 1997-08-06
WO1996001577A1 (en) 1996-01-25
BR9508235A (pt) 1997-11-04
EP0768831A1 (en) 1997-04-23
US5398369A (en) 1995-03-21
DE69513286T2 (de) 2000-03-23
EP0768831B1 (en) 1999-11-10
DE69513286D1 (de) 1999-12-16

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