CN1917988A - 剃须刀和其刀片子组件及制造方法 - Google Patents

剃须刀和其刀片子组件及制造方法 Download PDF

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CN1917988A
CN1917988A CNA2005800044757A CN200580004475A CN1917988A CN 1917988 A CN1917988 A CN 1917988A CN A2005800044757 A CNA2005800044757 A CN A2005800044757A CN 200580004475 A CN200580004475 A CN 200580004475A CN 1917988 A CN1917988 A CN 1917988A
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blades
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CN100446946C (zh
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G·D·阿维扎
R·A·特罗塔
C·B·沃里克
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Gillette Co LLC
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40Details or accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40Details or accessories
    • B26B21/4068Mounting devices; Manufacture of razors or cartridges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/08Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
    • B26B21/14Safety razors with one or more blades arranged transversely to the handle
    • B26B21/22Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B26B21/222Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/54Razor-blades
    • B26B21/56Razor-blades characterised by the shape
    • B26B21/565Bent razor blades; Razor blades with bent carriers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S76/00Metal tools and implements, making
    • Y10S76/08Razor blade manufacturing

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Abstract

一种用于剃须刀的子组件,所述子组件包括彼此固定成为一个整体单元的多个细长的金属刀片。所述多个刀片具有限定剃须表面的刀刃,并在它们的各自纵向末端通过焊接连接彼此固定。

Description

剃须刀和其刀片子组件及制造方法
本发明涉及剃须刀和其刀片子组件以及制造方法。
剃须刀通常包括固定在塑料外壳内所需位置的多个刀片。所述外壳通常具有在刀片前面的由弹性体材料制成的防护件和在刀片后面的皮肤可在其上滑动的顶盖,所述防护件具有翅片或其它皮肤接合结构。剃须助件(例如,润滑剂分配机构)可被结合到顶盖中且在某些情况下可被结合到防护件中。刀片可为静止的或活动的,并且外壳可固定到手柄上或活动安装到手柄上来例如帮助在剃须期间顺从皮肤的轮廓。
某些不同类型的剃须刀的实例描述于美国专利5,313,706;5,369,885;5,416,974;5,546,660;6,032,372;6,145,201;6,161,288;6,216,345;6,216,561和6,397,473中。
在一个方面,本发明的特征大体在于用于剃须刀的子组件,其包括彼此固定成一个整体单元的多个细长的金属刀片。多个刀片具有限定剃须表面的刀刃,并通过在它们的各自纵向末端的焊接连接彼此固定。
本发明的特定实施方案可包括下列一个或多个特征。在特定实施方案中,刀片的纵向末端被弯曲并横向于刀刃。在一些实施方案中,单元包括两个金属板,并且一组纵向末端通过第一焊接连接连接到第一金属板,而另一组纵向末端通过第二焊接连接连接到第二金属板。板可具有不锈钢基座和其上的铝镀层。在一些其它实施方案中,刀片的一组纵向末端在单元的一侧交搭并焊接到邻近末端上,而刀片的另一组纵向末端在单元的另一侧交搭并焊接到邻近末端上。在一些实施方案中,每个刀片包括具有刀刃的细长切割构件和细长切割构件连接到其上的细长支撑体,其中细长支撑体的纵向末端在两侧彼此焊接到一起。在一些其它实施方案中,每个刀片包括具有刀刃的细长切割构件部分和从切割构件部分向下弯曲的整体细长支撑体部分,其中细长支撑体部分的纵向末端在两侧彼此焊接到一起。在其它实施方案中,每个刀片包括具有刀刃的细长切割构件,并且细长切割构件的纵向末端在两侧彼此焊接到一起。子组件可具有两个刀片、三个刀片、四个刀片或五个刀片或更多个刀片。刀刃可位于共用平面内。子组件可具有用于连接到剃须刀外壳上的扣合结构。
在另一个方面,本发明的特征大体在于剃须刀,其包括如前所述的子组件和外壳,所述外壳具有子组件固定在其中的凹口。
在另一个方面,本发明的特征大体在于制造剃须刀的方法,该方法包括提供具有刀刃以及第一和第二纵向末端的多个细长金属剃刀片,定位刀刃使其彼此平行并与相邻的刀刃间隔开以便限定剃须表面,通过焊接将第一纵向末端彼此相连并将第二纵向末端彼此相连,同时保持刀刃彼此平行。
本发明的特定实施方案可包括下列一个或多个特征。在特定实施方案中,采用夹具使刀片在平行平面内对齐并将刀刃定位在所需位置。夹具具有对齐刀片的狭槽和定位刀刃的止动表面。刀片的整体单元置于外壳内的凹口中。凹口可对顶部敞开,其中例如整体刀片单元被下放到凹口中并通过夹片或通过扣合保持固定,或者凹口可对底部敞开,其中整体刀片单元被上顶到凹口中。
本发明的实施方案可包括下列一个或多个优点。剃刀片架的自动化组装可通过在单个步骤中将所有刀片安装成一个单元得到简化。如果需要,刀刃彼此之间相对的几何构造可在组装之前用例如夹具进行设定,并紧密地控制和改变。可将刀片子组件可拆卸地安放到外壳中并在刀片报废时用一个新的子组件更换,从而减少被处理的零件和重新使用更多零件。同样,可将整体刀片单元子组件制造成具有多种不同的刀片几何形状,例如,具有不同的刀片正切角、暴露和/或跨距,并且对于它们所插入的刀片架的其余部分而言,不同的子组件可全都采用通用设计,在简单实施多种不同的几何形状的同时简化零件计数和加工。
由本发明的特定实施方案的以下说明和权利要求书,本发明的其它优点和特征将显而易见。
图1是剃须刀的局部透视图。
图2是图1剃须刀的分解局部透视图。
图3是图1剃须刀的刀片子组件的透视图。
图4是图3刀片子组件的平面图。
图5是图3刀片子组件的前正视图。
图6是图3刀片子组件的侧正视图。
图7是图3刀片子组件的刀片的透视图。
图8是说明图3刀片子组件的刀片和侧板部件的示意性的局部平面图。
图9是用于图3刀片子组件制造中的夹具的示意性侧视图。
图10是不具有侧板的刀片子组件的一个可供选择的实施方案的示意性的局部分解视图。
图11是可替换的刀片子组件的一个可供选择的实施方案的正视图。
图12至13是可供选择的一体式刀片构造的透视图。
图14至16是分别用于图1剃须刀的两刀片、三刀片和四刀片的可供选择的子组件的透视图。
参见图1,剃须刀10包括塑料外壳12、固定在外壳12内的刀片14、顶盖16(包括润滑条)、手柄18、连接件19(其可绕轴转动地连接到外壳12上并可拆卸地连接到手柄18上),和具有翅片22的弹性体防护件20。有五个具有限定剃须表面的刀刃28(参见图7)的刀片14。如图2所示,刀片14被装设在整体刀片子组件13中,所述刀片子组件13从顶部安放在外壳12内的凹口21中,并通过两个夹片23固定,图2中仅显示了其中的一个。
参见图3至8,刀片子组件13包括五个刀片14和两个侧板24。板24具有不锈钢基座和其上用于耐腐蚀的铝镀层。然而,耐腐蚀性可用其它部件和材料来实现,例如通过与一个诸如铝夹之类的起到牺牲阳极作用的单独的刀片架部件或一个单独的锌部件相接触。
每个刀片14包括具有刀刃28的细长切割构件26和通过点焊32将切割构件26连接到其上的细长支撑体30。细长支撑体30具有沿着其长度的角形截面,具有短的上部34和较长的基座部分36。基座部分36的纵向末端38被弯曲90°,并通过点焊40固定到侧板24上。
可供选择地,细长切割构件可为具有刀刃部分和整体弯曲的基座部分的一体式构造,例如,如图12中所示的一体式复合构件39,或者甚至没有弯曲的基座部分,例如,如图13中所示的一体式简单切割构件41。
参见图9,夹具42用于在通过点焊40将刀片14焊接到侧板24上的同时对它们定位。夹具42具有基座构件44,其包括接收刀片14的细长支撑体30的基座部分36的狭槽46。囊状物46为基座部分36的底部提供向上的力,以使切割构件26靠着校正块50的倾斜表面48,并使刀刃28接触拐角52,从而将刀刃28置于所需位置以限定剃须表面,并为切割构件26提供所需的刀片正切角。在刀片14适当地放置在狭槽46中并向上偏置于表面48和拐角52的情况下,将侧板24焊接到弯曲的纵向末端38上,结果形成整体的刀片子组件30,然后可将其简单地插入凹口21中,在外壳12中移动就位并通过夹片23固定于其中(图1、2)。可供选择地,也可将刀片从后面安放在具有从底部敞开的凹口21的刀片架外壳中。同样,如果需要,通过校正块50的倾斜表面48和拐角52的不同位置,校正块50可允许不同的刀片具有不同的刀片正切角、暴露和/或跨距。
参见图10,可供选择的刀片子组件60(在连接最后一个刀片62之前所示)不同于刀片子组件30,因为它不具有侧板24,但代之以具有在纵向末端66上的偏移伸出部64,所述偏移伸出部64交搭并通过焊接70焊到前一个刀片62的部分68上。
参见图11,可供选择的刀片子组件76具有倾斜侧板78,所述侧板78被扣合到外壳12中且无需夹片23保持在外壳12中。当刀片需要进行更换时,不是更换整个刀片架(包括外壳12和连接件19以及刀片),而是将用过的子组件76从底部推出,并简单地按扣进一个新的子组件76,使得外壳12和连接件19能够使用多次。可供选择地,可将侧板78可滑动地安放在外壳内的导槽(未示出)中,使得刀片能够在刀片盒中进行浮动、上下滑动。
本发明的其它实施方案均涵盖在所附的权利要求书范围之内。例如,可采用其它技术(例如弹性体材料、磁力、螺线管和弹簧)代替囊状物46来将刀片14偏置到正确的位置。可采用其它结构或形状代替倾斜表面48和拐角52来对齐刀片。可采用椭圆点和双点代替圆点焊40和70。
可具有任何数目的刀片(例如,2、3、4、5、6、7等)。图14至16中分别显示了各自的两刀片、三刀片和四刀片子组件80、82、84。同样,刀片架和手柄可为诸如一次性剃刀之类的整体零件。
参考数字列表
剃须刀 10
塑料外壳 12
整体刀片子组件 13
刀片 14
顶盖 16
手柄 18
连接件 19
弹性体防护件 20
凹口 21
翅片 22
夹片 23
侧板 24
切割构件 26
刀刃 28
细长支撑体 30
点焊 32
短上部 34
较长的基座部分 36
纵向末端 38
一体式复合切割构件 39
点焊 40
一体式简单切割构件 41
夹具 42
基座构件 44
狭槽 46
倾斜表面 48
校正块 50
拐角 52
可供选择的刀片子组件 60
最后一个刀片 62
偏移伸出部 64
纵向末端 66
前一个刀片部分 68
焊接 70
可供选择的刀片子组件 76
倾斜侧板 78
两刀片子组件 80
三刀片子组件 82
四刀片子组件 84

Claims (23)

1.一种用于剃须刀的子组件,所述子组件包括:
具有限定剃须表面的刀刃的多个细长的金属刀片,
所述刀片通过第一和第二焊接连接彼此固定来提供整体单元,所述刀片具有第一和第二纵向末端,
所述第一纵向末端通过所述第一焊接连接彼此连接,
所述第二纵向末端通过所述第二焊接连接彼此连接,
所述刀片仅在所述第一和第二纵向末端被固定。
2.如权利要求1所述的子组件,其中所述第一和第二纵向末端被弯曲并横向于所述刀刃。
3.如权利要求1或2所述的子组件,所述子组件还包括第一金属板和第二金属板,所述第一纵向末端通过所述第一焊接连接连接到所述第一金属板,所述第二纵向末端通过所述第二焊接连接连接到所述第二金属板。
4.如权利要求2所述的子组件,其中一个所述刀片的每个所述第一纵向末端交搭并被焊接到不同所述刀片的至少一个其它第一纵向末端上,并且其中,一个所述刀片的每个所述第二纵向末端交搭并被焊接到不同所述刀片的至少一个其它第二纵向末端上。
5.如权利要求1所述的子组件,其中每个所述刀片包括具有所述刀刃的细长切割构件和所述细长切割构件与其连接的细长支撑体,每个所述细长支撑体具有所述第一纵向末端和所述第二纵向末端。
6.如权利要求1所述的子组件,其中每个所述刀片包括具有所述刀刃的细长切割构件部分和从所述切割构件部分向下弯曲的整体细长支撑体部分,每个所述细长支撑体部分具有所述第一纵向末端和所述第二纵向末端。
7.如权利要求1所述的子组件,其中每个所述刀片包括具有所述刀刃的细长切割构件以及所述第一纵向末端和所述第二纵向末端。
8.如权利要求3所述的子组件,其中所述第一和第二板具有不锈钢基座和其上的铝镀层。
9.如权利要求1所述的子组件,其中所述多个细长的金属刀片包括至少两个所述刀片。
10.如权利要求1所述的子组件,其中所述多个细长的金属刀片包括至少三个所述刀片。
11.如权利要求1所述的子组件,其中所述多个细长的金属刀片包括至少四个所述刀片。
12.如权利要求1所述的子组件,其中所述多个细长的金属刀片包括五个或更多个所述刀片。
13.如权利要求1所述的子组件,其中所有所述刀刃位于共用平面内。
14.如权利要求1所述的子组件,其中所述子组件具有用于与剃须刀外壳连接的扣合结构。
15.一种剃须刀,所述剃须刀包括如权利要求1所述的子组件和外壳,所述外壳具有所述子组件固定在其中的凹口。
16一种制造剃须刀的方法,所述方法包括:
提供具有刀刃以及第一和第二纵向末端的多个细长的金属剃刀片,
定位所述刀刃使其彼此平行并与邻近的刀刃间隔开以限定剃须表面,
通过在所述定位期间焊接第一焊接连接将第一纵向末端彼此相连,
通过在所述定位期间焊接第二焊接连接将所述第二纵向末端彼此相连,以形成整体刀片单元。
17.如权利要求16所述的方法,其中所述定位包括采用夹具使所述刀片在平行平面内对齐,并将所述刀刃定位在所需位置。
18.如权利要求17所述的方法,其中所述夹具具有用于对齐所述刀片的狭槽和用于定位所述刀刃的止动表面。
19.如权利要求16所述的方法,所述方法还包括:
提供其内具有凹口的外壳,和
将所述整体单元置于所述凹口中。
20.如权利要求19所述的方法,其中所述凹口对所述顶部敞开,并且所述定位涉及将所述单元下放到所述凹口中。
21.如权利要求20所述的方法,所述方法还包括通过一对金属夹片将所述单元保持在所述外壳中。
22.如权利要求20所述的方法,所述方法还包括通过扣合连接将所述单元保持在所述外壳中。
23.如权利要求19所述的方法,其中所述凹口对所述底部敞开,并且所述定位涉及将所述单元上顶到所述凹口中。
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US7765700B2 (en) 2010-08-03
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US20100005664A1 (en) 2010-01-14
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EP1718437A1 (en) 2006-11-08
AU2005212316B2 (en) 2008-04-17
BRPI0507547A (pt) 2007-07-03
US20070266565A1 (en) 2007-11-22
AU2005212316A1 (en) 2005-08-25
CN101391421B (zh) 2011-02-23
CA2553762C (en) 2010-06-15

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