CN1039526C - 剃须装置 - Google Patents

剃须装置 Download PDF

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CN1039526C
CN1039526C CN91109385A CN91109385A CN1039526C CN 1039526 C CN1039526 C CN 1039526C CN 91109385 A CN91109385 A CN 91109385A CN 91109385 A CN91109385 A CN 91109385A CN 1039526 C CN1039526 C CN 1039526C
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razors
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vinyl acetate
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CN1060245A (zh
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明奇·M·楚
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Gillette Co LLC
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/89—Polysiloxanes
    • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
    • 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
    • B26B21/44—Means integral with, or attached to, the razor for storing shaving-cream, styptic, or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8135—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers, e.g. vinyl esters (polyvinylacetate)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q9/00—Preparations for removing hair or for aiding hair removal
    • A61Q9/02—Shaving preparations
    • 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
    • B26B21/44—Means integral with, or attached to, the razor for storing shaving-cream, styptic, or the like
    • B26B21/443—Lubricating strips attached to the razor head

Abstract

一种具有一刀片和一刀架的剃须装置，刀架具有位于刀片剃刃前后并与皮肤接触的外表部分，刀架上装有靠近刀片剃刃由乙烯乙酸乙烯酯和助剃成分构成的混合物制成的助剃复合料。

Description

剃须装置
本发明涉及剃须装置，更确切地说涉及湿法剃须的剃须装置。
对湿法剃须的剃须装置来说，剃刀在皮肤上的摩擦拖动，割断毛发施的力，以及对先前伤裂的皮肤会造成疼痛等因素，这些均会引起相当程序的不适感，这些问题在敷用助剃剂的情况下可以得到缓解。助剃剂可在剃前、剃时或剃后敷用。在剃前和剃后敷用时存在不少问题，剃前敷用时助剃剂易于挥发，还会由于剃刀反复剃刮而带离敷用部位。剃后敷用在剃时又起不到预期作用。剃前剃后敷用都需添加额外的一道手续。
US4170821公开了一种湿式剃须装置，它具有一刀片及靠近刀片剃刃与皮肤接触的外表部，在这一接触皮肤的外表装有助剃复合物，它是水溶性助剃剂与非溶性聚合物的复合料。US4069580公开了一种剃刀头，它含有一安装刀片用的塑料支座面，该支座面是横压成带肋的结构，使剃刀能随着剃须皮肤的外形更柔软，塑料用聚氯乙烯、聚乙烯、乙烯乙酸乙烯酯、硅氧烷、尿烷、和热塑性橡胶等。但是这些现有技术的剃刀润滑性能仍然不够理想。
本发明的目的是改进现有技术剃须装置的润滑性，减少在剃须过程中刀片的摩擦阻力，使剃须更为舒适。
为实施本发明的上述目的，本发明提供了一种湿法剃须用的剃须装置，具有一刀片和一个靠近刀片剃刀而与皮肤接触的外表部分，按照本发明在接触皮肤的外表部分上装有一助剃复合料，此复合料是经挤压或注射成型出的一乙烯乙酸酯混合物和一有效量助剃成分的混合物。
这种剃须装置可以是活动刀架式，便于装在刀把上可从刀把上卸下，也可以是与刀把连成一体的，在一个或多个刀片用钝后整个剃须装置即告废弃。刀刃和与皮肤接触的外表部分构成剃须的外形。助剃复合料由非水溶性乙烯乙酸乙烯酯基体(EVA，为一种乙烯和乙烯基乙酸酯的共聚物)和置于此基体中的有效量的一或多种助剃剂构成，此复合料遇水即浸出聚乙烯氧化物。助剃复合料也可是一种乙烯乙酸乙烯酯基体和有效量的一或多种非水溶性助剃剂(如硅氧共聚物或聚四氟乙烯，即特氟隆的粉剂)的混合物，这种复合料最好有一个面与皮肤接触。
乙烯乙酸乙烯酯是乙烯的乙烯基乙酸酯的共聚物，在市场上有很多货源。一种乙烯乙酸乙烯酯共聚物的性能在很大程度上取决于其所含乙烯基乙酸酯的比值。市场上乙烯乙酸乙烯酯的等级范围体现在：乙烯基乙酸酯按重量的含量为5-50％，熔体流体指数为0.3-43克/分钟，硬度为肖氏A73-98或肖氏D24-47，维卡软化温度为80℃-36℃。增加乙烯乙酸乙烯酯共聚物中乙烯基乙酸酯的含量会降低其结晶度，增加其柔韧性，降低其硬度。
对于由按重量含有25％乙烯基乙酸酯的乙烯乙酸乙烯酯共聚物构成的助剃复合料来说，其浸出率、柔韧性、柔软性、强度、抗磨性、抗碎裂性、软化温度特性和加工性能都有综合性的改进。在一些具体的实施例中，助剃复合料按重量含有10-50％的乙烯乙酸乙烯酯和50-90％的助剃剂。较适用的水溶性和非水溶性助剃剂举例来说含有聚乙烯氧化物、聚乙烯吡咯烷酮、聚丙烯酰胺、羟基丙基纤维素、聚乙烯咪唑啉、聚羟乙酸异丁烯酸酯、硅氧烷共聚物和蔗糖硬脂酸酯、维生素E、羟泛酸、芦荟、香精油和其他增湿剂、润肤剂，其百分比可变，但其成分最好至少含有50％的水溶性助剃剂。在一些具体的实施例中，助剃复合料含有少量染色剂和杀菌剂。
乙烯乙酸乙烯酯共聚物的软化温度较低，可在制作助剃复合料时采用较低的处理温度。一种商标为Elvax360(Dupont)含有25％的乙烯基乙酸酯的乙烯乙酸乙烯酯共聚物，其维卡软化温度为53℃，较聚苯乙烯约低40℃。与采用非水溶性共聚物如聚苯乙烯的复合料相比，用乙烯乙酸乙烯酯共聚物制成的助料剃复合料可以在更低的温度下模制、挤制和用其他方法制作，从而减弱助剃剂和其他功能性添加剂如聚乙烯氧化物、硅氧烷、增塑剂、增湿剂、香料和维生素的受热降解作用。惭烯乙酸乙烯酯共聚物还可用作热熔粘结剂，因此可简单有效地将助剃复合料粘在剃刀构架上。
在有些具体的实施例中，助剃复合料具有以下成分：按重量为25％的乙烯乙酸乙烯酯(25％的乙烯基乙酸酯)和75％的聚乙烯氧化物(这种助剃复合料可在约100-140℃下模制或挤制)；按重量为70％的乙烯乙酸乙烯酯(25％的乙烯基乙酸酯)和30％的硅氧烷共聚物(这种助剃复合料可在约100℃下挤制)；按重量为18％的乙烯乙酸乙烯酯(25％的乙烯基乙酸酯)、77％的聚乙烯氧化物和5％的蔗糖硬脂酸酯(这种助剃复合料可在约130℃下模制)；按重量为24％的惭烯乙酸乙烯酯(25％的乙烯基乙酸酯)、72％的聚乙烯氧化物和4％的硅氧烷腊(这种助剃复合料可在约130℃下模制)。挤制和模制的温度和压力视具体所用聚合物而异。
水溶性和非水溶性成分以及在聚合物混合物中的非水溶性乙烯乙酸乙烯酯的品种和比例应使助剃复合料不论在制成时或在浸出相当量的水溶性材料后都具有足够的机械强度，水溶性材料的用量要足以在整个预期的刀片作用寿命期内形成有效的助剃作用如润滑作用。在采用含有水溶性成分的助剃复合料的情况下，剃前润湿需剃部位就能做到剃时舒适有效。在需剃部位上的水分会将一部分水溶性助剃剂浸出到皮肤表面上。
具有适量乙烯基乙酸酯的乙烯乙酸乙烯酯共聚物质地柔软、柔韧、有弹性、不易碎裂并易于释放出水溶性助剃剂。具有这种助剃复合剃的剃须装置效果较好，剃用舒适。
从以下对具体实施例结合附图所作说明中还可看出其他特点和优点。
图1为本发明制剃须装置的透视图。
图2为图1中沿2-2线的剖面图。
图3为本发明另一种剃须装置的透视图。
图1和2所示刀架10具有用耐冲击性聚苯乙烯模制的基座或底座12，此底座具有用以接装刀把的整体凹槽结构14和带一横置而前伸、与皮肤接触的表面18的保护构件16。在底座12的上表面上设有带刀刃22的前置钢制刀片20、带刀刃26的后置钢制刀片24和使刀片20和24隔开的铝制间隔件28。上盖30由耐冲击聚苯乙烯模制，并具有形成与皮肤接触的表面34的盖体32，表面34横向位于前伸侧壁36之间并具有位于刀片刀刃26后边的前缘38。整体铆合体40从横置盖体32向下延伸，穿过刀片20和24、间隔件28以及底座12上的开孔而将上盖30、刀片20、24和间隔件28固定在底座12上。助剃复合料42添装在与皮肤接触的表面34上。
图3所示刀架50属雅各布森(Jacobson)的4586255号美国专利中所示类型而具有带前部54和后部56的主体52。保护构件58、前刀片60和后刀片62弹性地固定在主体52内。窄条形助剃复合料嵌装件64在后部56开口66内作摩擦嵌装。
以下示例仅用作说明，本发明不受此限。
示例1：将一种按重量为80％的聚乙烯氧化物(具体地说，一种按重量为48％的商标为Rolyox Coagulant的聚乙烯氧化物——分子量为5×106——和按重量为52％的商标为Polyox N-750的聚乙烯氧化物——分子量为3×105——的混合物，最终混合物中聚乙烯氧化物的分子量为3.5×106)、按重量为20％的乙烯乙酸乙烯酯(25％的乙烯基乙酸酯)(商标为Elvax360)以及少量染色剂和杀菌剂添加物构成的混合物在约120℃的温度下挤制成窄条形助剃复合料，再将挤制成的窄条助剃复合料切成片状助剃复合料制件42并将其固定在凹槽44中。同样，可将混合料挤制成嵌装件64并将其固定在刀架50的开口66内。所得刀架具有良好的综合使用性能。
示例2：将由按重量为43％的聚乙烯氧化物(平均分子量为5×106)、按重量为32％的聚乙烯氧化物(平均分子量为3×105)和按重量为25％的非水溶性乙烯乙酸乙烯酯(商标为Elvax360)构成的混合物在115℃的温度下挤制成窄条用料，再将窄条用料切成片状助剃复合料制件42并将其固定在剃须装置刀架上，此刀架具有舒适的使用效果，其综合使用性能优于采用聚苯乙烯和类似聚乙烯氧化物比例的混合料的刀架。
示例3：将一种由按重量为80％的乙烯乙酸乙烯酯共聚物(含有25％的乙烯基乙酸酯)和按重量为20％的硅氧烷共聚物(如甲硅烷氧基硅酸三甲酯)构成的混合物在约100℃的温度下挤制成窄条用料。将窄条用料切成片状助剃复合料制件42和64并将其固定在刀架10和50上，所得刀架具有良好的综合使用效果。
示例4：将一种由18％的乙烯乙酸乙烯酯(25％的乙烯基乙酸酯)、5％的蔗糖硬脂酸酯和按重量为77％的水溶性聚合物(一种按重量为40％的Polyox Coagulant聚乙烯氧化物和按重量为40％的Polyox WSRN-750聚乙烯氧化物的混合物)构成的混合料在约130℃的温度下模制成助剃复合料制件42和嵌装件64。再将所得助剃复合料制件64固定在刀架10、50上，所得刀架呈现出良好的使用性能。
示例5：将一种由按重量为24％的乙烯乙酸乙烯酯(25％的乙烯基乙酸酯)、按重量为43％的Polyox Coagulant聚乙烯氧化物、按重量为29％的Polyox WSRN-750聚乙烯氧化物和按重量为4％的硅腊在130℃的温度下模制，在110℃的温度下挤制，再将挤制件装到刀架上。所得助剃复合料制件42、64柔软、柔韧、有弹性、有良好的抗碎裂性，试剃表明所得刀架个有良好的使用性能。
使用刀架10、50时一般从助剃料制件42、64上耗用聚乙烯氧化物和(或)其他助剃剂典型地采用剃膏或剃胶。每刮移一次剃刀，助剃剂即涂敷在皮肤上，在刀架10、50的整个使用寿命期内在使用中可不断添加助剃复合料。

Claims (12)

1.一种湿法剃须用的剃须装置，具有一刀片和一靠近刀片剃刃而与皮肤接触的外表部分，其特征在于，在所述的接触皮肤的外表部分上装有一助剃复合料，此复合料是经挤压或成型出的一乙烯乙酸乙烯酯和一有效量助剃成分的混合物。
2.按权利要求1所述的剃须装置，其特征在于，助剃复合料上含有聚乙烯氧化物。
3.按权利要求2所述的剃须装置，其特征在于：所述乙烯乙酸乙烯酯按重量含有5～50％的乙烯基乙酸酯。
4.按权利要求2所述的剃须装置，其特征在于：所述乙烯乙酸乙烯酯含有约25％的乙烯基乙酸酯。
5.按权利要求3所述的剃须装置，其特征在于：所述助剃复合料按重量含有10-50％的乙烯乙酸乙烯酯和50-90％的聚乙烯氧化物。
6.按权利要求5所述的剃须装置，其特征在于：所述聚乙烯氧化物是分子量在3×106以上的高分子量聚乙烯氧化物和分子量在1×106以下的低分子量聚乙烯氧化物的混合物。
7.按权利要求6所述的剃须装置，其特征在于：所述高分子量聚乙烯氧化物其分子量约为5×106，而所述低分子量聚乙烯氧化物分子量约为300,000。
8.按权利要求7所述的剃须装置，其特征在于：所述助剃复合料按重量约含有25％的乙烯乙酸乙烯酯、约45％的所述高分子量聚乙烯氧化物和约30％的所述低分子量聚乙烯氧化物。
9.按权利要求7所述的剃须装置，其特征在于：所述助剃复合料按重量约含有25％的乙烯乙酸乙烯酯约70％的聚乙烯氧化物和约5％的硅氧烷腊。
10.按权利要求7所述的剃须装置，其特征在于：所述助剃复合料按重量约含有20％的乙烯乙酸乙烯酯、约70％的聚乙烯氧化物和约5％的蔗糖硬脂酸酯。
11.按权利要求7所述的剃须装置，其特征在于：所述助剃复合料是一种挤制混合物。
12.按权利要求11所述的剃须装置，其特征在于：所述助剃复合料是连附在所述剃刃后方与皮肤接触的外表部分。
CN91109385A 1990-09-28 1991-09-28 剃须装置 Expired - Fee Related CN1039526C (zh)

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BR9106884A (pt) 1993-07-13
JP3193044B2 (ja) 2001-07-30
US5349750A (en) 1994-09-27
WO1992005929A1 (en) 1992-04-16
TR27564A (tr) 1995-06-09
EP0550600A1 (en) 1993-07-14
EP0550600B1 (en) 1997-07-30
TW214517B (zh) 1993-10-11
JPH06501180A (ja) 1994-02-10
RU2093348C1 (ru) 1997-10-20
MX9101295A (es) 1992-05-04
AU8641491A (en) 1992-04-28
CN1060245A (zh) 1992-04-15
ES2106787T3 (es) 1997-11-16
AU656332B2 (en) 1995-02-02
CZ44693A3 (en) 1994-02-16
KR930702129A (ko) 1993-09-08
UA32406C2 (uk) 2000-12-15
MY110259A (en) 1998-03-31
DE69127091T2 (de) 1998-01-29
US5551152A (en) 1996-09-03
PL168640B1 (pl) 1996-03-29
DE69127091D1 (de) 1997-09-04
EP0550600A4 (en) 1993-11-10

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