CN1132485A - 安全剃刀 - Google Patents
安全剃刀 Download PDFInfo
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- CN1132485A CN1132485A CN94193585A CN94193585A CN1132485A CN 1132485 A CN1132485 A CN 1132485A CN 94193585 A CN94193585 A CN 94193585A CN 94193585 A CN94193585 A CN 94193585A CN 1132485 A CN1132485 A CN 1132485A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors 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
- B26B21/40—Details or accessories
- B26B21/4012—Housing details, e.g. for cartridges
- B26B21/4031—Housing details, e.g. for cartridges characterised by special geometric shaving parameters, e.g. blade span or exposure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors 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
- B26B21/08—Razors 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
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
- B26B21/222—Safety 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
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Abstract
一种安全剃刀的刀片装置,它包括一护罩、一罩盖以及由三个刀片构成的刀片组,上述三个刀片具有相平行的锐利刀刃,这些刀刃位于所说的护罩与罩盖之间,限定离护罩最近刀刃的第一刀片具有不大于零的露出量,而限定离罩盖最近刀刃的第三刀片则具有不小于零的露出量。
Description
本发明涉及到安全剃刀,具体地说,本发明涉及到带有刀片装置的安全剃刀,所说的刀片装置则带有多个刀片,这些刀片限定了相互平行的设置成能依次在所剃须的皮肤表面上经过的锐利刀刃。正如在本技术中所周知的那样,刀片装置可永久地与剃刀手柄相连或者是一种在刀刃变钝时可以更换的折卸式刀片盒。在上述两种类型的剃刀中,刀片装置可以固定在手柄的适当位置上或者可绕平行于刀刃的轴作枢轴运动。本文所公开的发明适用于刀片装置的所有上述形式。
带有双刀片式刀片装置的安全剃刀近年来已大量地售出,并且,特别是就细密性而言,一般都公认这种安全剃刀有比单刀片式剃刀更高的剃须质量。此外,近年来已有许多书面申请提出了带多个刀片的安全剃刀。带有多个刀片的刀片装置要比只带有一个或两个刀片的类似刀片装置有更细密的剃须效果。但是,剃须的细密性只是剃刀使用者判断剃刀效率的一个参数。增加额外的刀片会对刀片装置的其它特征产生不利的影响,最明显的是对刀片装置在皮肤上移动时的阻力特征产生不利影响。因此,尽管可以获得较为细密的剃须效果。但刀片装置的整体效率会显著地下降。结果,据我们所知,到目前为止带有含两个以上刀片的刀片装置的剃刀尚未成功地进入市场。
业已发现,就包括有三个刀片的刀片装置而言,通过按特定的几何布局来相对位于刀刃前面和后面的护罩及罩帽表面彼此设置刀片,可以将摩擦阻力保持在可接受的水平,同时还可提高剃须效率。因此,依照本发明,提供了一种安全剃刀的刀片装置,它包括一护罩、一罩盖以及由三个刀片构成的刀片组,上述三个刀片具有相平行的锐利刀刃,这些刃刃位于所说的护罩与罩盖之间,限定离护罩最近刀刃的第一刀片具有不大于零的露出量,而限定离罩盖最近刀刃的第三刀片则具有不小于零的露出量。
本发明并不局限于这样的刀片装置,即:在这种刀片装置中以刚性的方式将刀片安装在相对护罩和/或罩盖的固定位置处。如果刀片可以移动,则本文所说的几何参数是指那些在刀片处于正常静止位置时所用的参数。
刀片的露出量被限定为刀刃相对一平面的垂直距离或高度,而所说的平面则与刀刃前面和后面的刀片装置部件的皮肤接触表面相切。所以,就本发明的带有三个刀片的刀片装置而言,以与护罩和第二刀片的刀刃相切的平面为基准来计算第一刀片的露出量,以与第二刀片的刀刃和罩盖相切的平面为基准来计算第三刀片的露出部分。
最佳的是,第一刀片具有负的露出量,也就是说,第一刀片位于相应切面的下方,而第三刀片则有正的露出量,也就是说,第三刀片位于相应切面的上方。上述结构具有能够均衡各个刀片所做工作的效果,这是因为,在多刀片的剃刀中,前置刀片会做最多的工作。当然,第一刀片的露出量不能太低以致无法与所要剃须的皮肤表面作有效的接触。诸如从护罩的皮肤接触面至刀刃之间的距离即第一刀片的“跨度”之类的其它刀片装置尺寸会影响可接受的最小露出量。“跨度”在本文中指沿刀刃与位于该刀刃紧前面的皮肤接触部件之间延伸的切线所测出的从上述刀刃到上述皮肤接触部件的距离。假定所说的跨度不是很大即不超过约1.5mm,则对第一刀片来说,不小于-0.2mm的露出量是令人满意的。业已发现,对约0.7mm的跨度来说,约为-0.04mm的露出量很适合于第一刀片。在第一刀片的露出量不大于零的情况,跨度不应太小,所以,建议最小的跨度为约0.5mm。第一刀片的跨度最好约小于和一刀片的刃刃与第二刀片的刀刃之间的跨度的一半并小于第二刀片与第三刀片之间的跨度。
与此相似,对第三刀片来说,实际的限制会形成可接受的最大露出量。举例来说,该露出量不应太大以致第三刀片具有割破皮肤的较大危险。一般认为,约为+0.2mm的最大露出量有着令人满意的结果。第三刀片的适当跨度在1.0至2.0mm的范围内,这也适用于第二刀片。
第二刀片的露出量最好不小于第一刀片的露出量并且不大于第三刀片的露出量。业已发现,均匀增加的刀片露出量是最有效的。所以,第二刀片的露出量在理论上约为第一与第三刀片露出量之间一半,并且,用位于一共用平面内所有三个刀刃可以获得非常令人满意的试验结果。在最佳实施例中,基本上等于零的第二刀片露出量是非常令人满意的。我们建议,第三刀片的露出量是一正值,该值在数量等于第一刀片的负的露出量。
可能影响刀片阻力的另一个因素是剃须角度即平分刀片梢端的平面与作为测定该刀片露出量基准的平面之间角度。但是,刀片剃须角度并非是最重要的,而是允许有较广范围的值,例如19—20°等。三个刀片不必有相同的剃须角度,最有效的剃须角度取决于为各个刀片所选定的跨度与露出量。
就带有按本文所述方式设置的刀片的三刀片安全剃刀刀片装置而言,我们发现,与两刀片安全剃刀相比,它能提高整个的剃须效率。
以下参照附图说明本发明的特定实施例,附图中:
图1显示了本发明示例性实施例的横断面的概略图;以及
图2显示了本发明最佳实施例的横断面的概图图。
图1和图2中说明了要安装在剃刀手柄上的安全剃刀刀片装置。该刀片装置可永久性地与诸如一次性剃刀的手段相连,或者将该刀片装置形成为一刀片盒,此刀片盒能以可拆卸的方式安装在剃刀手柄上。在以上两种情况中,手柄不是本发明的组成部分,所以,不对手柄作进一步的说明。
上述刀片装置带有一底座1,它限定了一护罩2以及一罩盖3。如图所示,罩盖包括一安装在底座上的润滑条4。该润滑条具有本技术中周知的形状。底座承载着具有平行锐利刀刃的第一、第二和第三刀片11,12,13。底座稳固地支承着上述刀片,因而,这些刀片可基本上固定在所示(即刀片因剃须过程中施加给它们的力而产生弹性变形)的位置处。另外,也可以将上述刀片支承成能逆着弹簧的恢复力例如沿图中向下的方向作有限的运动。上述刀片装置的基本结构和组合方式都是常规性的,本发明的新颖方面在于提供了三个刀片,这三个刀片按彼此之间以及相对防护罩和罩盖的特定位置设置在刀片装置内。
在图1的刀片装置中,上述三个刀片的刀刃均处于同一平面P内,该平面还与护罩以及罩盖的皮肤接触表面相切,因而,该平面构成了作为测定刀片露出量基准的“露出量平面”。事实上,对三个刀片11、12、13中的每一个刀片来说,所说的露出量均等于零。第一刀片11的跨度S1在0.5至1.5mm之间并且最好基本上等于0.70mm。第二刀片12的跨度S2和第三刀片13的跨度S3具有在1.0至2.0mm范围内的值。上述两个跨度如图所示具有基本上等于1.50mm的值。第三刀片的刀刃在罩盖前方位于距离S4处,距离S4基本上等于1.80mm。在第一刀片具有零露出量且第三刀片也具有零露出量的情况下,所述实施例显示了这样一种结构,在该结构中,前述两个刀片的露出量在本发明所提出的范围内。尽管如此,从按着包括所有剃须特征在内的可令人接受的剃须细密性角度说,上述刀片装置会产生非常好的剃须效果。
如图1所示,前述三个刀片具有同样的剃须角度A,但这并不是必须的。图2显示了一种更佳的结构。跨度S1、S2、S3和S4与图1中所说的跨度相同。本实施例中的第一刀片具有-0.04mm的露出量,第二刀片12的露出量为零,所有三个刀片的刀刃同在图1中一样处于同一平面P内,第三刀片13的露出量为+0.06mm。这样,刀片的露出量从前面的刀片11到后面的刀片13是逐渐增加的。
就本发明的实施例而言,通过选定刀片的露出量可以减小刀片装置在使用过程中所经受的与刀片有关的阻力,同时,由于存在有三个锐利的刀片,所以能可靠地提高剃须效率。
Claims (12)
1.一种安全剃刀的刀片装置,它包括一护罩,一罩盖以及由三个刀片构成的刀片组,上述三个刀片具有相平行的锐利刀刃,这些刀刃位于所说的护罩与罩盖之间,形成离护罩最近刀刃的第一刀片具有不大于零的露出量,而形成离罩盖最近刀刃的第三刀片则具有不小于零的露出量。
2.如权利要求1所述的刀片装置,其特征在于,上述第一刀片的露出量为负值并且不小于-0.2mm。
3.如权利要求2所述的刀片装置,其特征在于,上述第一刀片的刀刃与护罩之间的跨度在0.5mm至1.5mm的范围内。
4.如权利要求1所述的刀片装置,其特征在于,上述第一刀片的露出量基本上等于-0.4mm。
5.如权利要求1所述的刀片装置,其特征在于,上述第三刀片的露出量为不大于+0.2mm的正值。
6.如权利要求1所述的刀片装置,其特征在于,上述第三刀片的刀刃与第二刀片的刀刃之间的跨度在1.0至2.0mm的范围内。
7.如权利要求1所述的刀片装置,其特征在于,上述第二刀片的刀刃与第一刀片的刀刃之间的跨度在1.0至2.0mm的范围内。
8.如权利要求1所述的刀片装置,其特征在于,上述第一刀片的刀刃与第二刀片的刀刃之间的跨度和/或第二刀片的刀刃与第三刀片的刀刃之间的跨度基本上等于1.5mm。
9.如权利要求1所述的刀片装置,其特征在于,上述第二刀片的露出量不小于第一刀片的露出量且不大于第三刀片的露出量。
10.如权利要求9所述的刀片装置,其特征在于,上述第二刀片的露出量基本上等于零。
11.如权利要求1所述的刀片装置,其特征在于,上述第三刀片的露出量为一正值,该值在大小上基本上等于第一刀片露出量的负值。
12.如权利要求1至11中任何一个所述的刀片装置,其特征在于,上述第一刀片的刀刃与护罩之间的跨度基本上小于第一刀片的刀刃与第二刀片的刀刃之间的跨度以及第二刀片的刀刃与第三刀片的刀刃之间的跨度。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9320058.2 | 1993-09-29 | ||
GB939320058A GB9320058D0 (en) | 1993-09-29 | 1993-09-29 | Savety razors |
Publications (2)
Publication Number | Publication Date |
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CN1132485A true CN1132485A (zh) | 1996-10-02 |
CN1048441C CN1048441C (zh) | 2000-01-19 |
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Application Number | Title | Priority Date | Filing Date |
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CN94193585A Expired - Lifetime CN1048441C (zh) | 1993-09-29 | 1994-09-22 | 安全剃刀的刀片装置 |
Country Status (27)
Country | Link |
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US (4) | US6216349B1 (zh) |
EP (1) | EP0722379B1 (zh) |
JP (1) | JP3512417B2 (zh) |
KR (1) | KR100312283B1 (zh) |
CN (1) | CN1048441C (zh) |
AT (1) | ATE211672T1 (zh) |
AU (1) | AU685171B2 (zh) |
BG (1) | BG62798B1 (zh) |
BR (1) | BR9407662A (zh) |
CA (1) | CA2172042C (zh) |
CZ (1) | CZ286130B6 (zh) |
DE (3) | DE9422490U1 (zh) |
DK (1) | DK0722379T3 (zh) |
ES (1) | ES2167379T3 (zh) |
GB (1) | GB9320058D0 (zh) |
HU (1) | HU218370B (zh) |
IN (1) | IN190159B (zh) |
MY (1) | MY111611A (zh) |
NZ (1) | NZ274386A (zh) |
PL (1) | PL177640B1 (zh) |
PT (1) | PT722379E (zh) |
RO (1) | RO118397B1 (zh) |
RU (1) | RU2127660C1 (zh) |
SK (1) | SK284021B6 (zh) |
TW (1) | TW280789B (zh) |
UA (1) | UA39894C2 (zh) |
WO (1) | WO1995009071A1 (zh) |
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CN1121302C (zh) * | 1995-03-23 | 2003-09-17 | 吉莱特公司 | 安全剃须刀 |
CN100421890C (zh) * | 2004-03-11 | 2008-10-01 | 吉莱特公司 | 具有多个刀片的剃须刀切割构件 |
CN101410229B (zh) * | 2006-03-29 | 2011-04-13 | 吉莱特公司 | 多刀片剃刀及其刀片 |
CN102099165A (zh) * | 2008-07-16 | 2011-06-15 | 吉列公司 | 剃刀及剃刀架 |
CN102300683A (zh) * | 2008-12-19 | 2011-12-28 | 比克-维尔莱克 | 剃刀盒架以及包括该盒架的机械剃刀 |
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CN105358294A (zh) * | 2013-07-10 | 2016-02-24 | 吉列公司 | 剃刀刀片架 |
CN107206607A (zh) * | 2014-12-30 | 2017-09-26 | 吉列有限公司 | 带有印刷物体的剃刀刀片 |
CN112041133A (zh) * | 2018-12-18 | 2020-12-04 | 任向荣 | 剃须单元及其制造方法 |
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US5787586A (en) * | 1996-04-10 | 1998-08-04 | The Gillette Company | Shaving system and method |
US5661907A (en) * | 1996-04-10 | 1997-09-02 | The Gillette Company | Razor blade assembly |
US6276062B1 (en) | 1998-04-01 | 2001-08-21 | American Safety Razor Corporation | Triple blade safety razor |
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US6112412A (en) * | 1999-04-21 | 2000-09-05 | Warner-Lambert Company | Razor assembly and cartridge having improved wash-through |
US6772523B1 (en) | 1999-04-21 | 2004-08-10 | Eveready Battery Company, Inc. | Pivotable and flexible razor assembly and cartridge |
US6138361A (en) * | 1999-04-21 | 2000-10-31 | Warner-Lambert Company | Pivotable razor assembly and cartridge |
US6182366B1 (en) | 1999-04-21 | 2001-02-06 | Warner-Lambert Company | Flexible razor assembly and cartridge |
GB0025339D0 (en) * | 2000-10-16 | 2000-11-29 | Gillette Co | Safety razors |
US6804886B2 (en) | 2000-10-16 | 2004-10-19 | The Gillette Company | Safety razors |
DE60229687D1 (de) | 2001-04-27 | 2008-12-18 | Eveready Battery Inc | Nassrasierapparat mit vier Klingen, und Kassette dafür |
US20050015991A1 (en) * | 2002-04-24 | 2005-01-27 | Eveready Battery Company, Inc. | Razor cartridge |
US7210229B2 (en) * | 2002-04-24 | 2007-05-01 | Eveready Battery Company, Inc. | Razor cartridge |
CN100352573C (zh) * | 2003-06-26 | 2007-12-05 | 皇家飞利浦电子股份有限公司 | 弯曲剃刀刀片和这种剃刀刀片的制造方法和装置 |
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CN100421890C (zh) * | 2004-03-11 | 2008-10-01 | 吉莱特公司 | 具有多个刀片的剃须刀切割构件 |
CN101410230B (zh) * | 2006-03-29 | 2014-12-10 | 吉莱特公司 | 剃刀刀片和剃刀 |
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CN102099165A (zh) * | 2008-07-16 | 2011-06-15 | 吉列公司 | 剃刀及剃刀架 |
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CN102300683B (zh) * | 2008-12-19 | 2014-10-22 | 比克-维尔莱克 | 剃刀盒架以及包括该盒架的机械剃刀 |
US9156174B2 (en) | 2008-12-19 | 2015-10-13 | Bic-Violex S.A. | Razor cartridge and mechanical razor comprising such a cartridge |
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CN107206607A (zh) * | 2014-12-30 | 2017-09-26 | 吉列有限公司 | 带有印刷物体的剃刀刀片 |
CN112041133A (zh) * | 2018-12-18 | 2020-12-04 | 任向荣 | 剃须单元及其制造方法 |
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