KR20130087158A - Elastic guard including water-soluble lubricating material and razor cartridge using the same - Google Patents

Elastic guard including water-soluble lubricating material and razor cartridge using the same Download PDF

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Publication number
KR20130087158A
KR20130087158A KR20120008224A KR20120008224A KR20130087158A KR 20130087158 A KR20130087158 A KR 20130087158A KR 20120008224 A KR20120008224 A KR 20120008224A KR 20120008224 A KR20120008224 A KR 20120008224A KR 20130087158 A KR20130087158 A KR 20130087158A
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South Korea
Prior art keywords
water
elastic
lubricating material
soluble lubricating
weight
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KR20120008224A
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Korean (ko)
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서병준
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주식회사 도루코
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Priority to KR20120008224A priority Critical patent/KR20130087158A/en
Priority to PCT/KR2013/000585 priority patent/WO2013111979A1/en
Publication of KR20130087158A publication Critical patent/KR20130087158A/en

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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
    • B26B21/44—Means integral with, or attached to, the razor for storing shaving-cream, styptic, or the like
    • 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
    • B26B21/4018—Guard elements
    • 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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/02—Natural products
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022—Ethene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/024—Propene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/026—Butene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C10M2207/401—Fatty vegetable or animal oils used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/12—Polysaccharides, e.g. cellulose, biopolymers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/028—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/02—Unspecified siloxanes; Silicones
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/02—Groups 1 or 11
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; Viscosity index
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Cosmetics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: An elastic guard containing a water-soluble lubricating material and a razor cartridge using the same are provided to overcome a lubricating strip which necessarily takes up additional space and increase lubricating performance, thereby making users of the razor satisfied when having a shave and improving capability for cutting body hair. CONSTITUTION: An elastic guard containing a water-soluble lubricating material includes 30-95% by weight of an elastic member, 3-70% of by weight of viscosity increasing agents (330,340) and 2-60% of a lubrication enhancer (320). The elastic member mixes SEBS and polypropylene.

Description

수용성 윤활물질을 함유한 탄성가드 및 그것을 이용한 면도기 카트리지{Elastic guard including water-soluble lubricating material and razor cartridge using the same}Elastic guard including water-soluble lubricating material and razor cartridge using the same}

본 발명은 수용성 윤활물질을 함유한 탄성가드 및 그것을 이용한 면도기 카트리지에 관한 것이며, 구체적으로 블레이드로 체모를 절삭하기 전에 체모를 정렬하여 주는 역할 및 더욱 부드러움을 느낄 수 있도록 하여 주는 윤활역할을 동시에 수행할 수 있는 수용성 윤활물질을 함유한 탄성가드 및 그것을 이용한 면도기 카트리지에 관한 것이다.The present invention relates to an elastic guard containing a water-soluble lubricating material and a razor cartridge using the same, and more specifically, to align the hairs before cutting the hairs with the blades and to perform a lubrication role that makes them feel more soft. An elastic guard containing a water-soluble lubricating material and a razor cartridge using the same.

습식면도기에 있어서, 체모를 절삭하는 블레이드의 기능에 못지 않게 블레이드의 근처에 위치하여 절삭 전 체모를 정렬하여 주는 가드의 기능이 중요해 지고 있다. In wet razors, the function of the guard which aligns the hair before cutting by being located near the blade is no less important than the function of the blade cutting the hair.

보통 면도기 카트리지는 프레임에 복수 개의 블레이드가 수용되어 있고, 상기 블레이드의 전방에 가드가 구비되고, 블레이드의 후방에 캡이 구비된다.In general, a razor cartridge includes a plurality of blades in a frame, a guard is provided at the front of the blade, and a cap is provided at the rear of the blade.

도 1을 참조하여, 종래기술(미국등록특허 제6,941,659호)에 대하여 설명하면 다음과 같다.Referring to Figure 1, the prior art (US Patent No. 6,941,659) will be described as follows.

블레이드(6)의 전방에는 가드(12)가 배치되고, 블레이드(6)의 후방에는 캡(16)이 배치된다. 상기 캡(16)은 부드러움을 위해 윤활스트립으로 구성되어 있다.A guard 12 is disposed in front of the blade 6, and a cap 16 is disposed behind the blade 6. The cap 16 consists of a lubrication strip for softness.

상기 가드(12)에는 복수 개의 돌기가 형성되어 있으며, 상기 가드(12) 및 블레이드(6)의 사이에는 윤활스트립(24)이 구비되어 있다. 이러한 윤활스트립(24)은 블레이드 후방에 배치된 윤활스트립(16)보다는 크기가 작으며, 윤활스트립(24)과 블레이드의 사이에는 채널(30) 및 랜드(31)가 구비되어 윤활물질이 통과되도록 하고 있다.A plurality of protrusions are formed on the guard 12, and a lubrication strip 24 is provided between the guard 12 and the blade 6. The lubrication strip 24 is smaller than the lubrication strip 16 disposed behind the blade, and the channel 30 and the land 31 are provided between the lubrication strip 24 and the blade so that the lubrication material passes therethrough. Doing.

이러한 종래의 가드구조는 부드러움을 위해서 가드에 인접하게 작은 윤활스트립(24)을 배치하였으나, 이러한 윤활스트립은 돌기를 가지는 가드와는 별도의 공간을 차지하므로 가드와 블레이드의 사이가 멀어져 제모효율이 떨어질 수 있고, 가드의 크기를 더 크게 하거나 돌기의 면적을 더 좁게 하여야 하는 제약이 따른다.In the conventional guard structure, a small lubrication strip 24 is disposed adjacent to the guard for smoothness. However, since the lubrication strip occupies a separate space from the guard having projections, the guard and the blade are separated from each other to reduce hair removal efficiency. It is possible to limit the size of the guard or to make the area of the projection narrower.

또한, 가드와 블레이드 사이에 작은 크기의 윤활스트립(24)이 배치됨으로써, 국소적으로 윤활이 되므로 채널과 랜드와 같은 부가적인 구조물이 더 필요하여 제작비가 상승되는 단점이 있다. In addition, since the small size of the lubrication strip 24 is disposed between the guard and the blade, the lubrication is locally lubricated, so additional structures such as channels and lands are required, which increases manufacturing costs.

본 발명은 상기와 같은 문제점을 해결하기 위하여 창안된 것으로서, 피부를 당겨주면서 체모를 더 용이하게 정렬해 주는 효과를 주며, 윤활스트립의 장점을 동시에 구현할 수 있는 가드를 제공하는데 일차적인 목적이 있다.The present invention has been made in order to solve the above problems, has the effect of aligning the hair more easily while pulling the skin, and has a primary object to provide a guard that can implement the advantages of the lubrication strip at the same time.

또한, 부가적인 공간을 더 차지할 수 밖에 없는 윤활스트립의 한계를 극복하고자 하는 것이다.In addition, to overcome the limitation of the lubrication strip that can only take up additional space.

그리고, 윤활성능을 높여 사용자로 하여금 면도시 만족감을 느끼게 하고 체모의 절삭력을 높여 줄 수 있는 가드를 제공하고자 하는 것이다.In addition, to improve the lubrication performance, the user to feel the satisfaction when shaving and to provide a guard that can increase the cutting force of the hair.

상기한 목적을 달성하기 위하여 본 발명은 피부에 접촉하는 탄성가드에 있어서, 탄성체 30 내지 95 중량%, 점도증진제 3 내지 70중량%, 윤활성능강화제 2 내지 60중량%를 포함하는 것을 특징으로 하는 수용성 윤활물질을 함유한 탄성가드를 제공한다.In order to achieve the above object, the present invention is an elastic guard in contact with the skin, water-soluble, characterized in that it comprises 30 to 95% by weight of the elastic body, 3 to 70% by weight of viscosity enhancer, 2 to 60% by weight of lubricating performance enhancer It provides an elastic guard containing a lubricant.

상기 탄성체는 SEBS 및 폴리프로필렌을 혼합한 것이 바람직하다.It is preferable that the said elastic body mixed SEBS and polypropylene.

상기 점도증진제는 산화폴리에틸렌, 폴리비닐피롤리돈, 폴리에틸렌글라이콜, 폴리아크릴아마이드, 하이옥시프로필 셀룰로스, 폴리비닐이미다졸린, 폴리하이드록시에틸메타아크릴레이트, 실리콘고분자, 메소옥시폴리에틸렌글라이콜, 메틸셀룰로즈 및 카트복시폴리메틸렌 중 적어도 어느 하나를 포함할 수 있다.The viscosity enhancer, polyethylene oxide, polyvinylpyrrolidone, polyethylene glycol, polyacrylamide, high oxypropyl cellulose, polyvinylimidazoline, polyhydroxyethyl methacrylate, silicone polymer, mesooxy polyethylene glycol , Methylcellulose and carboxypolymethylene.

상기 수용성 윤활물질을 함유한 탄성가드는 알로에 배라, 호호바, 포도씨, 마카다미아, 아르간, 쉐어버터, 해바라기, 올리브, 미강 달맞이꽃, 장미, 아보카도, 메도폼, 금잔화 및 사차인치 중 적어도 어느 하나에서 추출한 오일을 더 포함할 수 있다.The elastic guard containing the water-soluble lubricating material is an oil extracted from at least one of aloe vera, jojoba, grape seed, macadamia, argan, shea butter, sunflower, olive, rice bran evening primrose, rose, avocado, meadowfoam, marigold and sacha inch. It may further include.

본 발명은 또한, 체모를 절삭하는 블레이드; 상기 블레이드가 수용되는 프레임; 및 상기 프레임에 결합되는 수용성 윤활물질을 함유한 탄성가드를 포함하여 구성되며, 상기 수용성 윤활물질을 함유한 탄성가드는 탄성체 30 내지 95 중량%, 점도증진제 3 내지 70중량%, 윤활성능강화제 2 내지 60중량%를 포함하는 면도기 카트리지를 제공한다.The present invention also includes a blade for cutting body hair; A frame in which the blade is accommodated; And an elastic guard containing a water-soluble lubricating material bonded to the frame, wherein the elastic guard containing the water-soluble lubricating material is 30 to 95% by weight of the elastomer, 3 to 70% by weight of the viscosity enhancer, and 2 to 2 to the lubricating agent. It provides a razor cartridge comprising 60% by weight.

본 발명에 의하면 별도의 공간을 차지하는 윤활스트립 없이도 윤활기능을 유지하면서 동시에 체모의 절삭력을 높여 줄 수 있다.According to the present invention, it is possible to increase the cutting force of the hair while maintaining the lubrication function without lubricating strips that occupy a separate space.

또한, 원하는 형상으로 제작이 가능하고 부가적인 구조물이 필요 없으므로 형상에 대한 제약이 없어진다.In addition, since it can be manufactured in a desired shape and no additional structure is required, there is no restriction on the shape.

그리고, 팽창효과로 인한 구조적 접촉면적 증가로 가드기능이 향상되고 체모 정렬효과가 향상된다.In addition, the guard function is improved and the hair aligning effect is improved by increasing the structural contact area due to the expansion effect.

도 1은 종래기술에 의한 면도기 카트리지를 나타내는 사시도;
도 2는 본 발명에 따른 수용성 윤활물질을 함유한 탄성가드의 제조공정을 나타내는 순서도;
도 3 내지 도 6은 본 발명에 따른 수용성 윤활물질을 함유한 탄성가드의 실험데이터를 나타내는 그래프;
도 7은 본 발명에 따른 수용성 윤활물질을 함유한 탄성가드를 이용한 면도기의 구조를 나타내는 정면도;
도 8은 본 발명에 따른 수용성 윤활물질을 함유한 탄성가드의 작용설명도.1 is a perspective view showing a razor cartridge according to the prior art;
Figure 2 is a flow chart showing the manufacturing process of the elastic guard containing a water-soluble lubricating material according to the present invention;
3 to 6 is a graph showing the experimental data of the elastic guard containing a water-soluble lubricating material according to the present invention;
7 is a front view showing the structure of a razor using an elastic guard containing a water-soluble lubricant according to the present invention;
8 is an explanatory view of the operation of the elastic guard containing a water-soluble lubricating material according to the present invention.

본 발명의 실시예의 구성 및 작용에 대하여 첨부한 도면을 참조하여 상세하게 설명한다.The configuration and operation of the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 의한 수용성 윤활물질을 함유한 탄성가드는 탄성체, 점도증진제, 윤활성능강화제를 혼합하여 일체로 제작된다.The elastic guard containing the water-soluble lubricating material according to the present invention is integrally manufactured by mixing an elastic body, a viscosity increasing agent, and a lubricating performance enhancing agent.

도 2를 참조하여 본 발명에 의한 수용성 윤활물질을 함유한 탄성가드의 제작방법에 대하여 설명하면 다음과 같다.Referring to Figure 2 with respect to the manufacturing method of the elastic guard containing a water-soluble lubricating material according to the present invention.

먼저, 탄성체(elastic material)를 제조한다. 상기 탄성체는 TPE(ThermoPlastic Elastomer)의 일종인 SEBS(styrene-ethylen/butylene-styrene triblock copolymer) 및 폴리프로필렌(polypropylene)의 혼합물을 이용하여 제조되는 것이 바람직하다. 상기 폴리프로필렌의 혼합량이 많아질수록 탄성체의 경도가 높아진다.First, an elastic material is produced. The elastomer is preferably prepared using a mixture of styrene-ethylen / butylene-styrene triblock copolymer (SEBS), which is a type of ThermoPlastic Elastomer (TPE), and polypropylene. The greater the blending amount of the polypropylene, the higher the hardness of the elastic body.

이 밖에, 상기 탄성체는 폴리프로필렌 폴리에틸렌, 아크릴로 나이트릴 부타디엔 스티렌 코폴리머, 변성 폴리페닐렌옥사이드, 내충격 폴리스티렌, 실리콘코무, 자연고무 등과 오버몰딩(overmolding)될 수 있는 실리콘코무, 자연고무 등의 탄성체가 사용될 수 있다.In addition, the elastic body is an elastic body such as silicone rubber, natural rubber which can be overmolded with polypropylene polyethylene, acrylonitrile butadiene styrene copolymer, modified polyphenylene oxide, impact polystyrene, silicone rubber, natural rubber, etc. Can be used.

상기 탄성체가 제조된 다음에는 상기 탄성체에 점도증진제, 윤활성능강화제 및 스킨캐어물질이 혼합된다.After the elastic body is manufactured, a viscosity enhancer, a lubrication enhancing agent, and a skin care material are mixed with the elastic body.

상기 탄성체에 윤활성능강화제만을 혼합할 수도 있으나, 상기 점도증진제는 물에 잘 녹아 윤활성능강화제가 잘 용출될 수 있게 하여주며, 후술할 물팽창(water expansion)효과에 기여하여 탄성가드의 기능을 높여 준다.The lubrication enhancer may be mixed with the elastic body, but the viscosity enhancer may be well dissolved in water to elute the lubrication enhancer, thereby contributing to the water expansion effect described later to increase the function of the elastic guard. give.

상기 점도증진제는 산화폴리에틸렌, 폴리비닐피롤리돈, 폴리에틸렌글라이콜, 폴리아크릴아마이드, 하이옥시프로필 셀룰로스, 폴리비닐이미다졸린, 폴리하이드록시에틸메타아크릴레이트, 실리콘고분자, 메소옥시폴리에틸렌글라이콜, 메틸셀룰로즈 및 카트복시폴리메틸렌 중 적어도 어느 하나를 사용하여 점도를 증가시킬 수 있다. The viscosity enhancer, polyethylene oxide, polyvinylpyrrolidone, polyethylene glycol, polyacrylamide, high oxypropyl cellulose, polyvinylimidazoline, polyhydroxyethyl methacrylate, silicone polymer, mesooxy polyethylene glycol At least one of, methylcellulose and carboxypolymethylene can be used to increase the viscosity.

상기 윤활성능강화제는 면도시 면도기 및 피부와의 마찰을 줄여줌으로써 부드럽게 면도가 되게 도와주며 사용자로 하여금 상쾌한 기분을 느끼게 해주는 역할을 한다.The lubrication enhancer helps to smoothly shave by reducing friction with the shaver and skin during shaving and serves to make the user feel refreshed.

상기 윤활성능강화제는 고흡수성수지(super absorbent polymer)를 사용하는 것이 바람직하며, 가교형 아크릴, 가교 아크릴산폴리머, 가교 전분폴리아크릴레이크코폴리머, 가교 산화 에틸렌, 가교 폴리아크릴아마이드, 가교형 카르복시 메틸 셀룰로스 나트륨 및 폴리아크릴나트륨(WCS-0702) 중 적어도 어느 하나가 사용될 수 있다.It is preferable to use a super absorbent polymer as the lubricating performance enhancing agent, and cross-linked acrylic, cross-linked acrylic acid polymer, cross-linked starch polyacrylic lake copolymer, cross-linked ethylene oxide, cross-linked polyacrylamide, cross-linked carboxy methyl cellulose At least one of sodium and polyacrylic sodium (WCS-0702) may be used.

한편, 상기 스킨캐어물질은 여러가지 부가적인 기능을 줄 수 있으며, 항산화작용을 통한 안티-에이징, 미백, 주름개선 등의 기능과 보습효과를 준다.On the other hand, the skin care material can give a variety of additional functions, and provides anti-aging, whitening, wrinkle improvement and moisturizing effect through the antioxidant action.

상기 스킨캐어물질은 알로에 배라, 호호바, 포도씨, 마카다미아, 아르간, 쉐어버터, 해바라기, 올리브, 미강 달맞이꽃, 장미, 아보카도, 메도폼, 금잔화 및 사차인치 중 적어도 어느 하나에서 추출한 오일이 사용될 수 있다.The skin care material may be an oil extracted from at least one of aloe vera, jojoba, grape seed, macadamia, argan, shea butter, sunflower, olive, rice bran evening primrose, rose, avocado, meadowfoam, marigold and sacha inch.

상기 탄성체 및 첨가제의 혼합물이 제조된 다음에는 압출(Extrusion) 또는 펠레타이징(pelletizing) 공정을 거친 후 설계된 모형대로 사출성형(injection molding)된다.After the mixture of the elastomer and the additive is prepared, it is subjected to an extrusion or pelletizing process and then injection molded according to the designed model.

다음으로, 본 발명에 의한 탄성체, 점도증진제, 윤활성능강화제를 포함한 탄성가드의 실시예에 대하여 설명한다.Next, examples of the elastic guard including the elastic body, the viscosity enhancer, and the lubricating performance enhancing agent according to the present invention will be described.

<실시예 1>&Lt; Example 1 >


탄성체(TPE)
Elastomer (TPE)

Kraibug-TF2SNT(15shoreA)
Kraibug-TF2SNT (15shoreA)
70%
70%
점도증진제 1
Viscosity Enhancers 1

산화폴리에틸렌
(Meisei ALKOX E-300G/E-30G)
Polyethylene oxide
(Meisei ALKOX E-300G / E-30G)
10%
10%
점도증진제 2
Viscosity Enhancers 2

폴리비닐피롤리돈(Mpol K-90)
Polyvinylpyrrolidone (Mpol K-90)
10%
10%
윤활성능강화제
Lubrication Performance Enhancer

Sodium Polyacrlate(WCS-0702)
Sodium Polyacrlate (WCS-0702)
10%
10%

<실시예 2><Example 2>


탄성체(TPE)
Elastomer (TPE)

API-Megol DP2375(30shoreA)
API-Megol DP2375 (30shoreA)
70%
70%
점도증진제 1
Viscosity Enhancers 1

산화폴리에틸렌
(Meisei ALKOX E-300G/E-30G)
Polyethylene oxide
(Meisei ALKOX E-300G / E-30G)
10%
10%
점도증진제 2
Viscosity Enhancers 2

폴리비닐피롤리돈(Mpol K-90)
Polyvinylpyrrolidone (Mpol K-90)
10%
10%
윤활성능강화제
Lubrication Performance Enhancer

Sodium Polyacrlate(WCS-0702)
Sodium Polyacrlate (WCS-0702)
10%
10%

<실시예 3><Example 3>


탄성체(TPE)
Elastomer (TPE)

API-Megol DP0952(50shoreA)
API-Megol DP0952 (50shoreA)
70%
70%
점도증진제 1
Viscosity Enhancers 1

산화폴리에틸렌
(Meisei ALKOX E-300G/E-30G)
Polyethylene oxide
(Meisei ALKOX E-300G / E-30G)
10%
10%
점도증진제 2
Viscosity Enhancers 2

폴리비닐피롤리돈(Mpol K-90)
Polyvinylpyrrolidone (Mpol K-90)
10%
10%
윤활성능강화제
Lubrication Performance Enhancer

Sodium Polyacrlate(WCS-0702)
Sodium Polyacrlate (WCS-0702)
10%
10%

<실시예 4><Example 4>


탄성체(TPE)
Elastomer (TPE)

Kraibug-TF2SNT(15shoreA)
Kraibug-TF2SNT (15shoreA)
85%
85%
점도증진제 1
Viscosity Enhancers 1

산화폴리에틸렌
(Meisei ALKOX E-300G/E-30G)
Polyethylene oxide
(Meisei ALKOX E-300G / E-30G)
5%
5%
점도증진제 2
Viscosity Enhancers 2

폴리비닐피롤리돈(Mpol K-90)
Polyvinylpyrrolidone (Mpol K-90)
5%
5%
윤활성능강화제
Lubrication Performance Enhancer

Sodium Polyacrlate(WCS-0702)
Sodium Polyacrlate (WCS-0702)
5%
5%

<실시예 5><Example 5>


탄성체(TPE)
Elastomer (TPE)

Kraibug-TF2SNT(15shoreA)
Kraibug-TF2SNT (15shoreA)
55%
55%
점도증진제 1
Viscosity Enhancers 1

산화폴리에틸렌
(Meisei ALKOX E-300G/E-30G)
Polyethylene oxide
(Meisei ALKOX E-300G / E-30G)
15%
15%
점도증진제 2
Viscosity Enhancers 2

폴리비닐피롤리돈(Mpol K-90)
Polyvinylpyrrolidone (Mpol K-90)
15%
15%
윤활성능강화제
Lubrication Performance Enhancer

Sodium Polyacrlate(WCS-0702)
Sodium Polyacrlate (WCS-0702)
15%
15%

실시예 1에서 탄성체(TPE)는 Kraibug-TF2SNT(15shoreA)가 사용되었으며, 실시예 2에서 탄성체(TPE)는 API-Megol DP2375(30shoreA)가 사용되었고, 실시예 3에서 탄성체(TPE)는 API-Megol DP0952(50shoreA)가 사용되었다. shoreA는 경도의 단위로서 숫자가 클수록 경도가 큰 것을 의미한다.In Example 1, the elastomer (TPE) was used Kraibug-TF2SNT (15shoreA), and in Example 2, the elastomer (TPE) was used API-Megol DP2375 (30shoreA), and in Example 3, the elastomer (TPE) was API- Megol DP0952 (50shoreA) was used. shoreA is a unit of hardness. The larger the number, the greater the hardness.

도 3을 참조하면, 실시예 1에서 실시예 3으로 갈수록 윤활물질의 용출량이 적어짐을 알 수 있다. 즉, 같은 양의 탄성체를 혼합하였을 때 경도가 낮을수록 윤활물질의 용출량이 많아진다.Referring to FIG. 3, it can be seen that the elution amount of the lubricating material decreases from Example 1 to Example 3. That is, when the same amount of elastomer is mixed, the lower the hardness, the greater the amount of elution of the lubricating substance.

한편, 본 실시예에서 사용된 탄성가드는 물에 닿으면 팽창하는 성질을 가진다. 이러한 물팽창(water-expansion)은 주로 점도증진제 및 윤활성능강화제가 물에 반응하여 일어나게 된다. 이때, 상기 탄성가드의 측면은 프레임에 의하여 제한을 받으므로 주로 탄성가드의 높이가 변하게 된다. On the other hand, the elastic guard used in this embodiment has the property of expanding when it touches water. This water-expansion is mainly caused by the viscosity enhancer and the lubrication enhancer in response to the water. At this time, since the side of the elastic guard is limited by the frame, the height of the elastic guard is mainly changed.

도 4를 참조하면, 실시예 1에서 실시예 3로 갈수록 팽창거리가 작아진다. 즉, 이것은 같은 양의 탄성체를 혼합하였을 때 경도가 낮을수록 물팽창이 많이 일어나게 되어 탄성가드의 높이가 커지게 됨을 의미한다.Referring to FIG. 4, the expansion distance decreases from the first embodiment to the third embodiment. In other words, this means that when the same amount of the elastic body is mixed, the lower the hardness, the more water expansion occurs and the height of the elastic guard is increased.

이러한 이유로 본 발명에 의한 탄성가드는 탄성가드의 상부에 형성된 돌기가 면도시 물에 닿으면 팽창하여 더욱 높게 되므로 체모정렬효과가 향상되어 블레이드의 절삭력을 높이는데 기여하게 된다. 이러한 탄성가드의 돌기는 보통 0.01mm에서 1mm까지 변화된다.For this reason, the elastic guard according to the present invention expands when the protrusion formed on the upper portion of the elastic guard touches water during shaving, thereby increasing body hair alignment effect, thereby contributing to increasing the cutting force of the blade. The projections of these elastic guards usually vary from 0.01 mm to 1 mm.

다음으로, 실시예 1에서 수용성 물질(점도증진제 및 윤활성능강화제)은 30%, 실시예 4에서는 15%, 실시예 5에서는 45%가 혼합되어 있다.Next, in Example 1, the water-soluble substance (viscosity enhancer and lubrication enhancing agent) is 30%, 15% in Example 4, 45% in Example 5 is mixed.

도 5를 참조하면, 실시예 5가 가장 윤활성분의 용출량이 많고, 실시예 1, 실시예 4의 순서로 용출량이 검출되었다. 즉, 동일한 경도를 가진 탄성체를 혼합할 때, 이러한 수용성 물질이 많이 혼합될수록 윤활물질이 많이 용출됨을 알 수 있다.Referring to FIG. 5, Example 5 had the highest amount of elution of the lubricating component, and the amount of elution was detected in the order of Examples 1 and 4. That is, when the elastic body having the same hardness is mixed, it can be seen that the more the water-soluble substance is mixed, the more the lubricant is eluted.

또한, 도 6을 참조하면, 실시예 4가 가장 팽창거리가 작고, 실시예 1, 실시예 5의 순서로 팽창거리가 커짐을 확인할 수 있다. 즉, 동일한 경도를 가진 탄성체를 혼합할 때, 수용성 물질이 많이 혼합될수록 탄성가드는 많이 팽창됨을 알 수 있다.In addition, referring to FIG. 6, it can be seen that the fourth embodiment has the smallest expansion distance, and the expansion distance increases in the order of the first and fifth embodiments. That is, when mixing the elastic body having the same hardness, it can be seen that the more the water-soluble material is mixed, the more the elastic guard is expanded.

도 7은 본 발명에 의한 수용성 윤활물질을 함유한 탄성가드를 이용한 면도기를 나타낸다. 본 발명에 의한 면도기는 면도기 카트리지(100) 및 상기 면도기 카트리지에 착탈가능하게 결합하는 손잡이(500)를 포함하며, 상기 면도기 카트리지는 프레임(110), 블레이드(200), 탄성가드(300), 캡(400)을 포함한다.Figure 7 shows a razor using an elastic guard containing a water-soluble lubricating material according to the present invention. The razor according to the present invention includes a razor cartridge 100 and a handle 500 detachably coupled to the razor cartridge, wherein the razor cartridge comprises a frame 110, a blade 200, an elastic guard 300, a cap. 400.

상기 프레임(110)은 플랑스틱 재질로서 외관을 형성하며, 블레이드, 탄성가드 및 캡이 설치되는 곳이다. The frame 110 forms an appearance as a plastic material, and is where the blade, the elastic guard and the cap are installed.

상기 블레이드(200)는 체모를 절삭하는 역할을 하는 것으로서, 복수 개가 구비될 수 있으며 상기 프레임(110)의 슬롯에 나란히 삽입된다.The blade 200 serves to cut body hair, and a plurality of blades 200 may be provided and inserted side by side in the slot of the frame 110.

상기 탄성가드(300)는 수용성 윤활물질을 함유하며, 상부에 돌기(310)가 형성된다. 상기 돌기(310)는 블레이드가 체모를 절삭하기 전 체모를 절삭하기 좋은 상태로 세워주는 역할을 한다.The elastic guard 300 contains a water-soluble lubricating material, the protrusion 310 is formed on the top. The protrusion 310 serves to raise the hair to a good state to cut the hair before cutting the hair.

상기 캡(400)은 윤활물질로 구성되어 면도시 부드러운 느낌을 주도록 한다.The cap 400 is made of a lubricating material to give a soft feeling when shaving.

이하, 본 발명에 의한 수용성 윤활물질을 함유한 탄성가드를 이용한 면도기의 작용과정에 대하여 설명한다.Hereinafter, the operation of the razor using the elastic guard containing a water-soluble lubricating material according to the present invention will be described.

도 8을 참조하면, 본 발명에 의한 면도기 카트리지의 탄성가드는 탄성체(100) 내에 윤활성능강화제(200) 및 점도증진제(300,400)가 함유되어 있으며, 면도시 탄성가드가 물에 닿으면 팽창하면서 윤활성능강화제를 비롯한 수용성 물질이 피부로 용출된다. 이와 동시에, 탄성가드의 상부에 형성된 돌기는 팽창하면서 높이가 높아지고 이렇게 팽창된 돌기는 체모정렬기능 및 피부당김기능이 향상되어 블레이드의 절삭력을 높여준다.Referring to FIG. 8, the elastic guard of the razor cartridge according to the present invention contains a lubrication enhancing agent 200 and a viscosity enhancer 300 and 400 in the elastic body 100, and expands and lubricates when the elastic guard touches water when shaving. Water-soluble substances, including performance enhancers, elute into the skin. At the same time, the protrusion formed on the upper part of the elastic guard increases in height while the expanded protrusion increases the cutting force of the blade by improving the hair alignment function and the skin pulling function.

또한, 상기 스킨케어물질도 같이 용출되므로 여러 가지 향을 내며, 피부보습 등의 효과를 증진시킨다.In addition, since the skin care material is also eluted, it gives various flavors and enhances the effects of skin moisturizing.

본 명세서와 도면에 개시된 본 발명의 실시예들은 본 발명의 기술 내용을 쉽게 설명하고 본 발명의 이해를 돕기 위해 특정 예를 제시한 것일 뿐이며, 본 발명의 범위를 한정하고자 하는 것은 아니다. 여기에 개시된 실시예들 이외에도 본 발명의 기술적 사상에 바탕을 둔 다른 변형예들이 실시 가능하다는 것은 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 자명한 것이다.The embodiments of the present invention disclosed in the present specification and drawings are intended to be illustrative only and not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

100 : 탄성체 110 : 프레임
200 : 블레이드 300 : 탄성가드
310 : 탄성체 320 : 윤활성능강화제
330 : 점도증진제1 340 : 점도증진제2
400 : 캡100: elastic body 110: frame
200: blade 300: elastic guard
310: elastomer 320: lubrication performance enhancer
330: viscosity enhancer 1 340: viscosity enhancer 2
400: cap

Claims (6)

피부에 접촉하는 탄성가드에 있어서,
탄성체 30 내지 95 중량%, 점도증진제 3 내지 70중량%, 윤활성능강화제 2 내지 60중량%를 포함하는 것을 특징으로 하는 수용성 윤활물질을 함유한 탄성가드.In the elastic guard in contact with the skin,
An elastic guard containing a water-soluble lubricating material, characterized in that it comprises 30 to 95% by weight of the elastic body, 3 to 70% by weight of the viscosity enhancer, 2 to 60% by weight of the lubrication enhancing agent. 제1항에 있어서,
상기 탄성체는 SEBS 및 폴리프로필렌을 혼합한 것을 특징으로 하는 수용성 윤활물질을 함유한 탄성가드.The method of claim 1,
The elastic body is an elastic guard containing a water-soluble lubricating material, characterized in that the mixture of SEBS and polypropylene. 제1항에 있어서,
상기 점도증진제는 산화폴리에틸렌, 폴리비닐피롤리돈, 폴리에틸렌글라이콜, 폴리아크릴아마이드, 하이옥시프로필 셀룰로스, 폴리비닐이미다졸린, 폴리하이드록시에틸메타아크릴레이트, 실리콘고분자, 메소옥시폴리에틸렌글라이콜, 메틸셀룰로즈 및 카트복시폴리메틸렌 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 수용성 윤활물질을 함유한 탄성가드.The method of claim 1,
The viscosity enhancer, polyethylene oxide, polyvinylpyrrolidone, polyethylene glycol, polyacrylamide, high oxypropyl cellulose, polyvinylimidazoline, polyhydroxyethyl methacrylate, silicone polymer, mesooxy polyethylene glycol , An elastic guard containing a water-soluble lubricating material, characterized in that it comprises at least one of methyl cellulose and carboxypolymethylene. 제1항에 있어서,
상기 윤활성능강화제는 고흡수성수지, 가교형 아크릴, 가교 아크릴산폴리머, 가교 전분폴리아크릴레이크코폴리머, 가교 산화 에틸렌, 가교 폴리아크릴아마이드, 가교형 카르복시 메틸 셀룰로스 나트륨 및 폴리아크릴나트륨 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 수용성 윤활물질을 함유한 탄성가드.The method of claim 1,
The lubrication enhancing agent includes at least one of a super absorbent polymer, a crosslinked acrylic, a crosslinked acrylic acid polymer, a crosslinked starch polyacrylic lake copolymer, a crosslinked ethylene oxide, a crosslinked polyacrylamide, a crosslinked carboxymethyl cellulose sodium, and a polyacrylic sodium. Elastic guard containing a water-soluble lubricating material, characterized in that. 제1항에 있어서,
상기 수용성 윤활물질을 함유한 탄성가드는 알로에 배라, 호호바, 포도씨, 마카다미아, 아르간, 쉐어버터, 해바라기, 올리브, 미강 달맞이꽃, 장미, 아보카도, 메도폼, 금잔화 및 사차인치 중 적어도 어느 하나에서 추출한 오일을 더 포함하는 것을 특징으로 하는 수용성 윤활물질을 함유한 탄성가드.The method of claim 1,
The elastic guard containing the water-soluble lubricating material is an oil extracted from at least one of aloe vera, jojoba, grape seed, macadamia, argan, shea butter, sunflower, olive, rice bran evening primrose, rose, avocado, meadowfoam, marigold and sacha inch. Elastic guard containing a water-soluble lubricating material, characterized in that it further comprises. 체모를 절삭하는 블레이드;
상기 블레이드가 수용되는 프레임; 및
상기 프레임에 결합되는 수용성 윤활물질을 함유한 탄성가드를 포함하여 구성되며,
상기 수용성 윤활물질을 함유한 탄성가드는 탄성체 30 내지 95 중량%, 점도증진제 3 내지 70중량%, 윤활성능강화제 2 내지 60중량%를 포함하는 면도기 카트리지.A blade for cutting body hair;
A frame in which the blade is accommodated; And
It comprises an elastic guard containing a water-soluble lubricating material coupled to the frame,
The razor guard containing the water-soluble lubricating material, the razor cartridge comprising 30 to 95% by weight of the elastic body, 3 to 70% by weight of the viscosity enhancer, 2 to 60% by weight of the lubrication enhancing agent.
KR20120008224A 2012-01-27 2012-01-27 Elastic guard including water-soluble lubricating material and razor cartridge using the same KR20130087158A (en)

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KR20200086927A (en) * 2019-01-10 2020-07-20 주식회사 도루코 Lubricating Strip for A Razor Cartridge and Razor Cartridge Using The Same

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CN105219007B (en) * 2015-09-11 2018-01-02 上海天封科技有限公司 A kind of shaver lubricious strip
US11872711B2 (en) * 2019-05-10 2024-01-16 The Gillette Company Llc Lubricating member for razor cartridges

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US5113585A (en) * 1990-09-28 1992-05-19 The Gillette Company Shaving system
ATE198851T1 (en) * 1994-07-01 2001-02-15 Gillette Co PART OF A SHAVING UNIT THAT CONTACTS THE SKIN
US5711076A (en) * 1996-03-27 1998-01-27 The Gillette Company Shaving system with improved guard structure
US20090071006A1 (en) * 2007-09-14 2009-03-19 The Gillette Company Safety razor with enhanced shaving aid member
US20100122462A1 (en) * 2008-11-14 2010-05-20 Thilivhali Tshikovhi Ndou Skin Engaging Member for Razor Cartridge

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KR20200086927A (en) * 2019-01-10 2020-07-20 주식회사 도루코 Lubricating Strip for A Razor Cartridge and Razor Cartridge Using The Same
US11858156B2 (en) 2019-01-10 2024-01-02 Dorco Co., Ltd. Lubricating strip for a razor cartridge and razor cartridge using the same

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