JPS63197487A - Razor blade composed of alumina monocrystal - Google Patents
Razor blade composed of alumina monocrystalInfo
- Publication number
- JPS63197487A JPS63197487A JP3078387A JP3078387A JPS63197487A JP S63197487 A JPS63197487 A JP S63197487A JP 3078387 A JP3078387 A JP 3078387A JP 3078387 A JP3078387 A JP 3078387A JP S63197487 A JPS63197487 A JP S63197487A
- Authority
- JP
- Japan
- Prior art keywords
- razor blade
- razor
- cutting edge
- blade composed
- single crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title 1
- 239000013078 crystal Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- -1 NaOH1KOH Chemical class 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000010979 ruby Substances 0.000 description 4
- 229910001750 ruby Inorganic materials 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
【 産業上の利用分野 ］
本発明は、新規な材質で構成された極めて耐久性の高い
かみそり刃に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an extremely durable razor blade constructed from a novel material.
［従来の技術と問題点 ］
かみそりの刃先および刃渡り部を構成する材料としては
、従来より炭素鋼、ステンレス鋼等のスチール材質が汎
用されている。[Prior Art and Problems] Steel materials such as carbon steel and stainless steel have conventionally been widely used as materials for forming the cutting edge and the blade length portion of razors.
炭素鋼のかみそりは、初期の切れ味は良好であるが、長
期間の使用によって、化学的な腐蝕あるいは刃先の磨耗
を生じて耐久性を損ねるという問題が存する。他方、ス
テンレス鋼製かみそりは化学的腐蝕の進行という欠点は
存しないものの、硬度面の不足と、研ぎなおしか効かな
いという実用上の難点が存することを否定しえない６［
問題点を解決する為の手段 ］
本発明は、切れ味の鋭利性が半永久的に持続するととも
に、化学的腐蝕、磨耗その他の経時的劣化を生じること
のない高耐久材質のかみそり刃を提供するものである。Although carbon steel razors have good initial sharpness, there is a problem in that long-term use causes chemical corrosion or abrasion of the cutting edge, which impairs durability. On the other hand, although stainless steel razors do not have the disadvantage of chemical corrosion, it cannot be denied that they have practical drawbacks such as lack of hardness and the fact that the only effective method is resharpening.
Means for Solving the Problems] The present invention provides a razor blade made of a highly durable material that maintains its sharpness semi-permanently and does not suffer from chemical corrosion, abrasion, or other deterioration over time. It is.
即ち、本発明のかみそり刃は、すくなくとも刃先部分を
、純度９９％以上、モース硬度８以上のα−ＡＱ２０．
単結晶によって構成してなることを特徴とするものであ
る。That is, the razor blade of the present invention has at least the cutting edge portion made of α-AQ 20.0 with a purity of 99% or more and a Mohs hardness of 8 or more.
It is characterized by being composed of a single crystal.
純度９９％以上、モース硬度８以上のα−ＡＱ２０３単
結晶は、ルビーに代表される高強度、高弾性率の物質で
あって、天然または合成のものが適用される。The α-AQ203 single crystal with a purity of 99% or more and a Mohs hardness of 8 or more is a material with high strength and high elastic modulus, such as ruby, and is a natural or synthetic material.
これら物質を合成するためには、例えば、９９％以上の
純度をもつＡＱ２０３原石に、所定微量のＣｒ、Ｏ，ま
たはＴ ｉ Ｏ，とＦｅ、０３とを混合し。In order to synthesize these substances, for example, a predetermined trace amount of Cr, O, or TiO, and Fe, 03 are mixed with AQ203 raw stone having a purity of 99% or more.
種結晶を用いた水平融帯移動によって単結晶化する方法
がとられる。A method is used to form a single crystal by horizontal melting zone movement using a seed crystal.
得られたα−ＡＱ、０３単結晶のウェハーは、薄板状に
スライスし、かみそりの刃先部分とする。The obtained α-AQ, 03 single crystal wafer is sliced into thin plates to be used as the cutting edge of a razor.
刃先の成形には、研磨法および／または化学法が用いら
れる。Polishing and/or chemical methods are used to shape the cutting edge.
研磨法は１粒径１μｍ以下のダイヤモンド砥粒、によっ
ておこなわれる。The polishing method is performed using diamond abrasive grains each having a grain size of 1 μm or less.
他方、化学法は、ＡＱ、Ｏ，を薬剤に依ってエツチング
する方法であって、薬剤としては１例えば、ＨＣＱ、Ｈ
Ｆ、Ｈ２ＳＯ４等の無機酸、ＮａＯＨ１ＫＯＨなどの無
機塩基のほか、アルカリ金属アルコキシドのような有機
塩基、ＫＨＦ、、Ｎ ａ 、 Ａ ＱＦＧなどの融剤が
使用される。On the other hand, the chemical method is a method of etching AQ, O, using drugs, and the drugs include 1, for example, HCQ, H
In addition to inorganic acids such as F, H2SO4, and inorganic bases such as NaOH1KOH, organic bases such as alkali metal alkoxides, and fluxes such as KHF, Na, A, QFG, and the like are used.
最終的な刃先の形成は、イオンビームによっても行うこ
とができる。使用するイオンは、アルゴンのような不活
性ガスイオンとし、５ＫｅＶを越えるイオンエネルギー
で放射される。The final cutting edge can also be formed using an ion beam. The ions used are inert gas ions such as argon, and are emitted with an ion energy exceeding 5 KeV.
形成されたかみそり刃は、金属、プラスチック、皮革あ
るいはセラミックスなどで構成された支持本体に固定さ
れて、所望デザインによるかみそりに形成される。The formed razor blade is fixed to a supporting body made of metal, plastic, leather, ceramics, etc. to form a razor according to a desired design.
［作 用 ］
本発明のかみそり刃は、上記のようにすくなくとも刃先
部分が、純度９９％以上、モース硬度８以上のα−ＡＱ
、Ｏ，単結晶によって構成されているので、従来のかみ
そり材料に比して、耐腐蝕性。[Function] As described above, the razor blade of the present invention has at least the cutting edge portion made of α-AQ having a purity of 99% or more and a Mohs hardness of 8 or more.
, O, Since it is composed of single crystal, it is more corrosion resistant than conventional razor materials.
耐磨耗性、耐熱性などの材質特性が著しく向上し。Material properties such as abrasion resistance and heat resistance have been significantly improved.
永続使用を保証するために極めて有効に作用する。It works extremely effectively to ensure permanent use.
この機能は、かみそり刃を構成するα−ＡＱ２０３単結
晶の純度が９９％を、モース硬度が８を、共に下回る場
合には充分に満足されえない。This function cannot be fully satisfied when the purity of the α-AQ203 single crystal constituting the razor blade is less than 99% and the Mohs hardness is less than 8.
また、本発明のかみそりは静電気を発生することもない
うえに、ルビー等に特有の極めて美しい色調を呈する。Furthermore, the razor of the present invention does not generate static electricity and exhibits an extremely beautiful color tone characteristic of rubies and the like.
［実施例］
０．２％のＣｒ、Ｏ，を混入して合成した純度９９．７
％以上、モース硬度９ のα−ＡＱ２０．単結晶から成
るルビーを薄板（約０．８ａｍ）にスライスした。[Example] Purity 99.7 synthesized by mixing 0.2% Cr, O,
% or more, α-AQ20 with a Mohs hardness of 9. A ruby consisting of a single crystal was sliced into thin plates (approximately 0.8 am).
そのようにしてルビーからなるかみそり月形板状体とし
たのち、ダイヤモンド砥石による荒加工と、Ｎ ａ Ｏ
Ｈ液による化学エツチングによる刃付は仕上加工で傾斜
面の刃先部分をもつかみそり刃を成形した。After forming a razor-moon-shaped plate made of ruby in this way, it was rough-processed using a diamond grindstone and N a O
The blade was attached by chemical etching with H liquid, and the slanted cutting edge was also grasped during the finishing process to form a sled blade.
ついで、かみそり刃を白色のプラスチック支持本体の先
端に接着固定してかみそりを形成した。A razor blade was then adhesively fixed to the tip of the white plastic support body to form a razor.
ルビーかみそりは紅色を呈し、支持本体の白色と調和し
て鮮やかな色調を示した。The ruby razor exhibited a bright red color that harmonized with the white color of the support body.
得られたかみそりの切れ味は極めて良好であって、長期
間にわたる使用に於いても、刃こぼれ、磨耗等による切
れ味の劣化は何等生じなかった。The sharpness of the obtained razor was extremely good, and even after long-term use, no deterioration of the sharpness due to blade spillage, abrasion, etc. occurred.
また、従来の調力のように錆を生じることも全くなかっ
た。Additionally, there was no rust at all, unlike in conventional power conditioning systems.
［発明の効果 ］
本発明に係るかみそり刃は、切れ味の鋭利性が長期間持
続すると共に、その他の経時的な劣化現象が全く生じな
いため、半永久的な耐久性が保証されるものである。[Effects of the Invention] The razor blade according to the present invention maintains its sharpness for a long period of time, and since no other deterioration phenomenon occurs over time, semi-permanent durability is guaranteed.
Claims (1)
８以上のα−Ａｌ＿２Ｏ＿３単結晶により構成して成る
かみそり刃。A razor blade comprising at least the cutting edge portion of α-Al_2O_3 single crystal with a purity of 99% or more and a Mohs hardness of 8 or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3078387A JPS63197487A (en) | 1987-02-13 | 1987-02-13 | Razor blade composed of alumina monocrystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3078387A JPS63197487A (en) | 1987-02-13 | 1987-02-13 | Razor blade composed of alumina monocrystal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63197487A true JPS63197487A (en) | 1988-08-16 |
Family
ID=12313270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3078387A Pending JPS63197487A (en) | 1987-02-13 | 1987-02-13 | Razor blade composed of alumina monocrystal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63197487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002542000A (en) * | 1999-04-23 | 2002-12-10 | ザ ジレット カンパニー | Safety razor |
-
1987
- 1987-02-13 JP JP3078387A patent/JPS63197487A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002542000A (en) * | 1999-04-23 | 2002-12-10 | ザ ジレット カンパニー | Safety razor |
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