CN1929968A - 具有多个刀片的剃须刀切割构件 - Google Patents
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Abstract
一种用于剃须刀的切割构件,所述切割构件包括细长的金属刀片和细长的弯曲金属支撑体,所述细长的弯曲金属支撑体具有细长的平台部分、细长的弯曲部分和细长的基座部分。设计刀片和刀片支撑体的平台部分的尺寸使它们更紧凑,同时平台部分具有足以可靠地支撑刀片的平坦区。平台部分从弯曲部分延伸至前端并包括与前端和与弯曲部分间隔开的焊接区。平台部分也包括含有焊接区并超过其延伸的平坦部分。细长金属刀片具有位于前部的刀刃、位于后部的刀片末端、通向刀刃的锥形部分和从后部的刀片末端延伸到锥形部分的均匀厚度部分。刀片的均匀厚度部分被支撑在平台部分上并在焊接区被焊接到平台部分上,并且锥形部分向前延伸越过平台部分的前端。刀片从刀刃至刀片末端的长度小于1mm。刀片支撑体的平台部分从前端到弯曲部分的长度小于0.7mm。细长的弯曲金属支撑体由厚度介于0.010cm(0.004″)和0.023cm(0.009″)之间的金属制成。
Description
本发明涉及用于具有多个刀片的用于剃须刀的切割构件。
近几年,具有各种数目刀片的剃须刀已在专利文献中提出并被商业化,例如,如美国专利5,787,586中所述,该专利大体上描述了已经由The Gillette Company作为三刀片的Mach III剃刀商业化的一型设计,并且美国公布专利申请2002/0144404描述了三刀片和四刀片的剃刀。
增加剃须刀上的刀片数量通常趋于提高剃刀的剃刮效率并提供更好的皮肤上的压力分布,然而它也可能趋于增大阻力、降低可操纵性并降低修剪能力。增加刀片的数量也要求增大刀片所占面积或缩小刀片的刀刃间距。增加刀片所占的面积可影响剃刮性能。缩小刀片间距导致刀刃之间皮肤凸起上和剃刮效力的改变,从而潜在地要求改变刀片几何形状的其它参数,例如刀片正切角和暴露量。增加刀片数量也可影响剃刀的可冲洗性,这将影响从刀片区域清除胡须屑的能力。
美国专利5,787,586说明了安装在弯曲的金属支撑体上的剃刀片,所述支撑体是已被The Gillette Company在Sensor和MachIII两种商品中可靠地生产了多年的一种类型。美国公布的专利申请2002/0144404描述了用直金属支撑体杆作为刀片支撑体的三刀片和四刀片设计以及用于通过指示剃须刀片架可被冲洗以清除胡须屑的能力的指数来确定洗涤的测试步骤。后一文献指出通过所述实施方案所报导的指数值,支撑杆有助于良好的洗涤。
本发明的特征大体在于一种剃须刀的切割构件,所述切割构件包括细长的金属刀片和细长的弯曲金属支撑体,所述金属支撑体具有细长的平台部分、细长的弯曲部分和细长的基座部分。通常,设计刀片和刀片支撑体的平台部分的尺寸使它们更紧凑,同时平台部分具有足以可靠地支撑刀片的平坦区。平台部分从弯曲部分向前延伸至前端并包括与前端和与弯曲部分间隔开的连接区(例如,焊接区)。平台部分也包括含有连接区并延伸超过连接区的平坦部分。细长的金属刀片具有位于前部的刀刃、位于后部的刀片末端、通向刀刃的锥形部分和从后部的刀片末端延伸到锥形部分的均匀厚度部分。刀片的均匀厚度部分被支撑在平台部分上并在连接区固定到平台部分上,并且锥形部分向前延伸越过平台部分的前端。
在本发明的一个方面,刀片从刀刃至刀片末端的长度小于1mm,优选小于0.9mm,并且最优选为约0.85mm。
在本发明的另一个方面,刀片支撑体的平台部分从前端至弯曲部分的长度小于0.7mm,优选小于0.6mm,并且最优选为约0.55mm。
在本发明的另一个方面,细长的弯曲金属支撑体由厚度介于0.010cm(0.004″)和0.023cm(0.009″)之间(优选介于0.013cm(0.005″)和0.018cm(0.007″)之间,并且最优选为约0.015cm(0.006″))的金属制成,并且弯曲部分具有小于0.1mm(优选小于0.09mm,并且最优选金属小于0.08mm)的曲率半径。
在另一个方面,本发明的特征大体在于一种剃须刀刀片单元,所述刀片单元包括至少四个(优选至少五个)如前所述的切割构件,其中刀片间跨度小于1.2mm,优选小于1.1mm,并且最优选为约1.05mm。
本发明的特定实施方案可包括下列一个或多个特征。基座部分和平台部分之间的角度介于109°和115°之间,优选介于110°和113°之间,并且最优选为约111.5°。刀片通过焊接固定到平台部分上。
本发明的实施方案可包括下列一个多个优点。本发明的切割构件可以被可靠地制造并十分紧凑,以允许用于具有至少4或5个刀片的多刀片剃刀中,同时缩小跨度并保持良好的可冲洗性。
通过特定实施方案的以下说明并通过所述权利要求书,本发明的其它优点和特征将显而易见。
本发明一个或多个实施方案的细节阐述于附图和以下说明中。通过该说明和附图并通过所述权利要求,本发明的其它特征、目的和优点将显而易见。
图1是剃须刀的透视图。
图2是图1剃刀的透视图,其显示与其手柄分离的其可替换的刀片架。
图3是显示图1剃刀的刀片架的某些部件的相对位置的垂直截面图。
图4是图3刀片架的切割构件的顶视图。
图5是图4切割构件的前视图。
图6是图4切割构件的垂直剖面图。
图7是图4切割构件的放大的垂直截面图。
图8是现有技术切割构件的垂直截面图。
参见图1和2,剃须刀10包括一次性刀片架12和手柄14。刀片架12包括连接到手柄14的连接构件18和可绕轴转动地连接到连接构件18的刀片单元16。刀片单元16包括塑料外壳20、位于外壳20前部的主防护件22、位于外壳20后部的具有润滑条26的顶盖24、位于主防护件22和主顶盖24之间的五个细长的刀片28、以及通过夹片32连接到外壳20后部的修剪刀片组合件30,所述夹片32还将刀片28保持在外壳20上。
参见图3至6,可看到每个细长的刀片28均被支撑在各自细长的弯曲支撑体400上,所述细长的弯曲支撑体具有细长的下基座部分402、细长的弯曲部分404和将刀片28支撑在其上面的细长的平台部分406。刀片跨度被定义为沿着在元件和刀刃之间延伸的切线测量的从刀刃到刀刃正前部的皮肤接触元件之间的距离。每个刀片的刀刃406与邻近刀片的刀刃408被刀片间跨度距离S2=S3=S4=S5分开;刀片间跨度介于0.95mm和1.15mm之间,优选介于1.0mm和1.1mm之间,并且最优选为约1.05mm。刀片暴露量被定义为邻近刀刃的前部以及邻近刀刃的后部相对于与刀片单元元件的皮肤接触表面相切的平面所测得的刀刃的垂直距离或高度。由于在静止状态时刀刃全部抵靠夹片32,因此它们处于共用平面内,使得三个中间刀片的暴露量为零。前部刀片28具有-0.04mm的负暴露量,而最后一个刀片28具有正暴露量。从前横挡409至前部刀片28的刀刃的跨度S1为0.65mm,并且从最后一个刀片28的刀刃到顶盖24的润滑条26上的切点的距离SC为3.16mm。从第一个刀刃408至最后一个刀刃408的距离ST为刀片间跨度的四倍,因此介于3.8mm和4.6mm之间,优选介于4.0mm和4.4mm之间,并且最优选为约4.2mm,即,介于4.1mm和4.3mm之间。
参见图4至6,刀片28通过十三个点焊410连接到平台部分406,所述点焊是通过激光在焊接区WA处熔化刀片28的金属来产生熔化的金属而施用的,该熔化的金属在冷却后形成对平台部分406的焊接410。焊接区WA是其中刀片被固定到平台部分上的连接区。焊接区WA位于平台部分406的平坦部分FP之内。从刀刃408至刀片末端450的刀片长度LB小于1mm,优选小于0.9mm,并且最优选为约0.85mm。刀片28具有被支撑在平台部分406上的均匀厚度部分412和延伸越过平台部分406的前端452的锥形部分412。
细长的弯曲金属支撑体400由厚度介于0.010cm(0.004″)和0.023cm(0.009″)(尺寸T)之间的金属,优选厚度介于0.013cm(0.005″)和0.018cm(0.007″之间的金属,并且最优选厚度为约0.015cm(0.006″)的金属制成。平台部分406具有从其前端452至弯曲部分404的长度LP,该长度小于0.7mm,优选小于0.6mm,并且最优选为约0.55mm。弯曲部分404具有小于0.1mm,优选小于0.09mm,并且最优选小于0.08mm的内曲率半径。基座部分402和平台部分406之间的角度介于108°和115°之间,优选介于110°和113°之间,并且最优选为约111.5°。
图8是用于MachIII剃须刀中的刀片470和倾斜支撑体472的示意图。刀片470具有1.23mm的刀片长度LB。支撑体472由0.028cm(0.011″)厚的金属制成并具有平台部分474,其中长度LP为0.83+0.10/-0.05以及曲率半径R为0.20mm9(最大)。平台部分474是拱起的,其曲率超过其中设置焊接点476的平坦部分FP。平坦部分FP的最小尺寸为0.3mm。在剃须刀刀片架中,刀片间跨度为1.50mm,使得从前部刀片的刀刃至最后一个刀片的刀刃的距离为3.00mm。如果在具有五个刀片的剃须刀刀片架中保持相同的刀片间跨度,则从前部刀片的刀刃至最后一个刀片的刀刃的距离将为6.00mm。如果同样的刀片470和倾斜支撑体472采用更小的刀片间跨度,则在相邻刀片470和倾斜支撑体472之间的缩小的距离会增加可冲洗性降低的可能性,其中增大了胡须屑保持在刀片区域中以及剃刮性能降低的可能性。
参见图7,由于倾斜支撑体400是由较薄的金属切割和成形,它有利于提供减小的曲率半径R,从而允许更大百分比的平台部分是平坦的。较薄的材料用于支撑体也有利于在成形后提供更大百分比的平坦的平台区的能力。需要最低尺寸的平坦区来精确和可靠地支撑刀片28,由于长度缩短,所述刀片28的均匀厚度部分412的长度缩短了。可采用更短的均匀厚度部分412,同时仍保持所必需的精确的刀片支撑体,因为超过平坦区FA范围的平台部分406的弯曲区域的范围已经被缩小了。这种精确的刀片支撑是为获得所期望的剃刮性能提供所需的刀片几何形状所必需的。
本发明的其它实施方案均涵盖在所附的权利要求书的范围之内。例如,可通过其它焊接技术(例如弧焊)或通过其它连接技术(例如粘合剂或滚压)将刀片连接到弯曲支撑体上。
Claims (24)
1.一种用于剃须刀的切割构件,所述切割构件包括:
细长的金属刀片,其具有刀刃、刀片末端、靠近所述刀片末端的锥形部分和从所述刀片末端延伸到所述锥形部分的均匀厚度部分,所述刀片从所述刀刃到所述刀片末端的长度小于1mm,
细长的弯曲金属支撑体,其具有细长的平台部分、细长的弯曲部分和细长的基座部分,
所述平台部分,其从所述弯曲部分向前延伸至前端,
所述细长的基座部分,其从所述弯曲部分向下延伸,
所述平台部分,其包括与所述前端和与所述弯曲部分间隔开的连接区,
所述平台部分,其包括含有所述连接区并超过其延伸的平坦部分,
所述刀片的所述均匀厚度部分,其被支撑在所述平台部分上并在所述连接区被固定到所述平台部分,所述锥形部分向前延伸越过所述平台部分的所述前端。
2.一种用于剃须刀的切割构件,所述切割构件包括:
细长的金属刀片,其具有刀刃、刀片末端、靠近所述刀片末端的锥形部分和从所述刀片末端延伸到所述锥形部分的均匀厚度部分,
细长的弯曲金属支撑体,其具有细长的平台部分、细长的弯曲部分和细长的基座部分,
所述平台部分,其从所述弯曲部分向前延伸至前端,
所述平台部分,其从所述前端至所述弯曲部分的长度小于0.7mm,所述细长的基座部分,其从所述弯曲部分向下延伸,
所述平台部分,其包括与所述前端和与所述弯曲部分间隔开的连接区,
所述平台部分,其包括含有所述连接区并超过其延伸的平坦部分,
所述刀片的所述均匀厚度部分,其被支撑在所述平台部分上并在所述连接区固定到所述平台部分上,所述锥形部分向前延伸越过所述平台部分的所述前端。
3.一种用于剃须刀的切割构件,所述切割构件包括:
细长的金属刀片,其具有刀刃、刀片末端、靠近所述刀片末端的锥形部分和从所述刀片末端延伸到所述锥形部分的均匀厚度部分,
细长的弯曲金属支撑体,其具有细长的平台部分、细长的弯曲部分和细长的基座部分,
所述平台部分,其从所述弯曲部分向前延伸至前端,
所述细长的基座部分,其从所述弯曲部分向下延伸,所述平台部分包括与所述前端和与所述弯曲部分间隔开的连接区,
所述平台部分,其包括含有所述连接区并超过其延伸的平坦部分,
所述刀片的所述均匀厚度部分,其被支撑在所述平台部分上并在所述连接区固定到所述平台部分上,所述锥形部分向前延伸越过所述平台部分的所述前端,
所述细长的弯曲金属支撑体,其由厚度介于0.004″和0.009″之间的金属制成,所述弯曲部分具有小于0.1mm的曲率半径。
4.如权利要求1所述的切割构件,其中所述平台部分从所述前端至所述弯曲部分的长度小于0.7mm。
5.如权利要求3所述的切割构件,其中所述平台部分从所述前端至所述弯曲部分的长度小于0.7mm。
6.如权利要求1所述的切割构件,其中所述细长的弯曲金属支撑体由厚度介于0.004″和0.009″之间的金属制成,所述弯曲部分具有小于0.1mm的曲率半径。
7.如权利要求4所述的切割构件,其中所述细长的弯曲金属支撑体由厚度介于0.004″和0.009″之间的金属制成,所述弯曲部分具有小于0.1mm的曲率半径。
8.如权利要求1所述的切割构件,其中所述刀片的长度小于0.9mm。
9.如权利要求1所述的切割构件,其中所述刀片的长度为约0.85mm。
10.如权利要求3所述的切割构件,其中所述细长的弯曲金属支撑体由厚度介于0.005″和0.007″之间的金属制成。
11.如权利要求3所述的切割构件,其中所述细长的弯曲金属支撑体由厚度为约0.006″的金属制成。
12.如权利要求2所述的切割构件,其中所述平台部分从所述前端至所述弯曲部分的长度小于0.6mm。
13.如权利要求2所述的切割构件,其中所述平台部分从所述前端至所述弯曲部分的长度为约0.55mm。
14.如权利要求1、2或3所述的切割构件,其中所述基座部分和所述平台部分之间的角度介于108°和115°之间。
15.如权利要求1、2或3所述的切割构件,其中所述基座部分和所述平台部分之间的角度介于110°和113°之间。
16.如权利要求1、2或3所述的切割构件,其中所述基座部分和所述平台部分之间的角度为约111.5°。
17.如权利要求1、2或3所述的切割构件,其中所述刀片通过焊接被固定到所述连接区。
18.一种剃须刀刀片单元,所述刀片单元包括:
外壳,
由所述外壳支撑的四个或更多个切割构件,
位于所述外壳前部的顶盖,
位于所述外壳后部的防护件,
每个所述切割构件包括:
细长的金属刀片,其具有刀刃、刀片末端、靠近所述刀片末端的锥形部分和从所述刀片末端延伸到所述锥形部分的均匀厚度部分,所述刀片从所述刀刃到所述刀片末端的长度小于1mm,
细长的弯曲金属支撑体,其具有细长的平台部分、细长的弯曲部分和细长的基座部分,
所述平台部分,其从所述弯曲部分向前延伸至前端,
所述细长的基座部分,其从所述弯曲部分向下延伸,
所述平台部分,其包括与所述前端和与所述弯曲部分间隔开的焊接区,
所述平台部分,其包括含有所述焊接区并超过其延伸的平坦部分,
所述刀片的所述均匀厚度部分,其被支撑在所述平台部分上并在所述焊接区被焊接到所述平台部分上,所述锥形部分向前延伸越过所述平台部分的所述前端。
19.一种剃须刀刀片单元,所述刀片单元包括:
外壳,
由所述外壳支撑的四个或更多个切割构件,
位于所述外壳前部的顶盖,
位于所述外壳后部的防护件,
每个所述切割构件包括:
细长的金属刀片,其具有刀刃、刀片末端、靠近所述刀片末端的锥形部分和从所述刀片末端延伸到所述锥形部分的均匀厚度部分,
细长的弯曲金属支撑体,其具有细长的平台部分、细长的弯曲部分和细长的基座部分,
所述平台部分,其从所述弯曲部分向前延伸至前端,
所述平台部分,其从所述前端至所述弯曲部分的长度小于0.7mm,
所述细长的基座部分,其从所述弯曲部分向下延伸,
所述平台部分,其包括与所述前端和与所述弯曲部分间隔开的连接区,
所述平台部分,其包括含有所述连接区并超过其延伸的平坦部分,
所述刀片的所述均匀厚度部分,其被支撑在所述平台部分上并在所述连接区被固定到所述平台部分上,所述锥形部分向前延伸越过所述平台部分的所述前端。
20.一种剃须刀刀片单元,所述刀片单元包括:
外壳,
由所述外壳支撑的四个或更多个切割构件,
位于所述外壳前部的顶盖,
位于所述外壳后部的防护件,
每个所述切割构件包括:
细长的金属刀片,其具有刀刃、刀片末端、靠近所述刀片末端的锥形部分和从所述刀片末端延伸到所述锥形部分的均匀厚度部分,
细长的弯曲金属支撑体,其具有细长的平台部分、细长的弯曲部分和细长的基座部分,
所述平台部分,其从所述弯曲部分向前延伸至前端,
所述细长的基座部分,其从所述弯曲部分向下延伸,
所述平台部分,其包括与所述前端和与所述弯曲部分间隔开的连接区,
所述平台部分,其包括含有所述连接区并超过其延伸的平坦部分,
所述刀片的所述均匀厚度部分,其被支撑在所述平台部分上并在所述连接区固定到所述平台部分上,所述锥形部分向前延伸越过所述平台部分的所述前端,
所述细长的弯曲金属支撑体,其由厚度介于0.004″和0.009″之间的金属制成,
所述弯曲部分具有小于0.1mm的曲率半径。
21.如权利要求18、19或20所述的剃须刀刀片单元,其中具有至少五个所述刀片。
22.如权利要求18、19或20所述的剃须刀刀片单元,其中具有五个所述刀片,并且所述前部刀片到最后一个刀片的距离介于3.8mm和4.6mm之间。
23.如权利要求18、19或20所述的剃须刀刀片单元,其中具有五个所述刀片,并且所述前部刀片到最后一个刀片的距离介于4.0mm和4.4mm之间。
24.如权利要求18、19或20所述的剃须刀刀片单元,其中具有五个所述刀片,并且所述前部刀片到最后一个刀片的距离介于4.1mm和4.3mm之间。
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-
2004
- 2004-03-11 US US10/798,525 patent/US7131202B2/en active Active
-
2005
- 2005-03-07 CN CN2008101460933A patent/CN101332607B/zh active Active
- 2005-03-07 CA CA2557458A patent/CA2557458C/en not_active Expired - Fee Related
- 2005-03-07 DE DE602005025607T patent/DE602005025607D1/de active Active
- 2005-03-07 AT AT05724801T patent/ATE493239T1/de not_active IP Right Cessation
- 2005-03-07 RU RU2006130854/02A patent/RU2348512C2/ru not_active IP Right Cessation
- 2005-03-07 CN CNB2005800078683A patent/CN100421890C/zh active Active
- 2005-03-07 AU AU2005222583A patent/AU2005222583B2/en not_active Ceased
- 2005-03-07 PL PL05724801T patent/PL1722940T3/pl unknown
- 2005-03-07 WO PCT/US2005/007331 patent/WO2005090024A2/en active Application Filing
- 2005-03-07 EP EP05724801A patent/EP1722940B1/en active Active
- 2005-03-07 JP JP2007500835A patent/JP2007525279A/ja active Pending
- 2005-03-07 BR BRPI0508466-0A patent/BRPI0508466B1/pt not_active IP Right Cessation
- 2005-03-10 MY MYPI20050991A patent/MY138178A/en unknown
- 2005-03-11 AR ARP050100938A patent/AR048168A1/es unknown
-
2006
- 2006-09-20 US US11/524,014 patent/US20070011880A1/en not_active Abandoned
- 2006-09-20 US US11/524,148 patent/US20070028450A1/en not_active Abandoned
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102421572A (zh) * | 2009-04-15 | 2012-04-18 | 比克-维尔莱克 | 剃须刀刀架和包括该刀架的机械剃须刀 |
CN102421572B (zh) * | 2009-04-15 | 2015-10-14 | 比克-维尔莱克 | 剃须刀刀架和包括该刀架的机械剃须刀 |
CN103079780A (zh) * | 2010-08-30 | 2013-05-01 | 株式会社多乐可 | 具备多个刀片的电动旋转剃须刀 |
CN110290904A (zh) * | 2017-02-03 | 2019-09-27 | 比克维奥莱克斯公司 | 刀片支撑件、包括此刀片支撑件的切割构件、包括此切割构件的剃刀头和包括此剃刀头的机械剃刀 |
CN114080305A (zh) * | 2019-06-21 | 2022-02-22 | 吉列有限责任公司 | 具有一个或多个皮肤支撑元件的剃刀刀片架 |
US12023821B2 (en) | 2019-06-21 | 2024-07-02 | The Gillette Company Llc | Razor cartridge with one or more skin support elements |
WO2023137738A1 (zh) * | 2022-01-24 | 2023-07-27 | 温州美葆科技技术有限公司 | 带缓冲和变向切断式剃须系统及剃须方法 |
Also Published As
Publication number | Publication date |
---|---|
AR048168A1 (es) | 2006-04-05 |
BRPI0508466A (pt) | 2007-07-31 |
US7131202B2 (en) | 2006-11-07 |
AU2005222583B2 (en) | 2009-04-09 |
CA2557458C (en) | 2010-09-21 |
DE602005025607D1 (de) | 2011-02-10 |
JP2007525279A (ja) | 2007-09-06 |
MY138178A (en) | 2009-05-29 |
US20050198828A1 (en) | 2005-09-15 |
WO2005090024A2 (en) | 2005-09-29 |
BRPI0508466B1 (pt) | 2019-05-14 |
CN101332607B (zh) | 2010-11-17 |
WO2005090024A3 (en) | 2006-08-03 |
CA2557458A1 (en) | 2005-09-29 |
RU2348512C2 (ru) | 2009-03-10 |
PL1722940T3 (pl) | 2011-06-30 |
ATE493239T1 (de) | 2011-01-15 |
EP1722940B1 (en) | 2010-12-29 |
US20070028450A1 (en) | 2007-02-08 |
RU2006130854A (ru) | 2008-04-20 |
CN101332607A (zh) | 2008-12-31 |
CN100421890C (zh) | 2008-10-01 |
AU2005222583A1 (en) | 2005-09-29 |
US20070011880A1 (en) | 2007-01-18 |
EP1722940A2 (en) | 2006-11-22 |
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