CN115287553A - Preparation process of stainless steel razor blade - Google Patents
Preparation process of stainless steel razor blade Download PDFInfo
- Publication number
- CN115287553A CN115287553A CN202210944612.0A CN202210944612A CN115287553A CN 115287553 A CN115287553 A CN 115287553A CN 202210944612 A CN202210944612 A CN 202210944612A CN 115287553 A CN115287553 A CN 115287553A
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- Prior art keywords
- blade
- stainless steel
- quenching
- razor blade
- making
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- 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
- 239000010935 stainless steel Substances 0.000 title claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000010791 quenching Methods 0.000 claims abstract description 23
- 230000000171 quenching effect Effects 0.000 claims abstract description 23
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 17
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- QBUKAFSEUHGMMX-MTJSOVHGSA-N (5z)-5-[[3-(1-hydroxyethyl)thiophen-2-yl]methylidene]-10-methoxy-2,2,4-trimethyl-1h-chromeno[3,4-f]quinolin-9-ol Chemical compound C1=CC=2NC(C)(C)C=C(C)C=2C2=C1C=1C(OC)=C(O)C=CC=1O\C2=C/C=1SC=CC=1C(C)O QBUKAFSEUHGMMX-MTJSOVHGSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 235000010288 sodium nitrite Nutrition 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/40—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools
- B23P15/403—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools razor blades
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/18—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for knives, scythes, scissors, or like hand cutting tools
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
Abstract
The invention discloses a preparation process of a stainless steel razor blade, which comprises seven process steps: the method comprises the following steps of manufacturing a stainless steel band, rolling and cutting, quenching, polishing and cleaning, spraying the surface of the blade, performing corrosion-resistant treatment, detecting the blade and packaging, and has the beneficial effects that: the blade provided by the invention has the advantages of lower cost, stronger corrosion resistance, strength and rust resistance, enhanced experience feeling provided by the manual shaver and longer service life.
Description
Technical Field
The invention relates to the technical field of shavers, in particular to a preparation process of a stainless steel razor blade.
Background
The shaver is a tool for shaving beards, the existing shaver is mainly divided into an electric shaver and a manual shaver, the existing manual shaver takes a long time but scrapes cleanly, the cost is low, the operation is easy, the cleaning is thorough, and the manual shaver always accounts for more than half of the market sales volume.
The razor blade is the core part of the manual razor, for a long time, domestic razor companies use martensite stainless steel materials similar to SUS420J2 to make the razor blade material, but because the steel lacks sufficient ductility, cracks easily appear in the manufacturing process, so the use is limited, and the corrosion resistance, the abrasion resistance and the strength of the steel can not meet the quality requirement of the razor blade moving at high speed, so the problems of low quality of the domestic razor, poor shaving sharpness, poor tone quality, short service life and the like are caused, and the development of the razor industry is restricted.
Disclosure of Invention
The invention aims to provide a preparation process of a stainless steel razor blade aiming at the existing problems, and solves the problems that the traditional stainless steel razor blade provided in the background art is low in hardness, easy to crack, poor in corrosion resistance and wear resistance and poor in shaving effect.
The technical scheme adopted by the invention for realizing the technical purpose is as follows: a preparation process of a stainless steel razor blade comprises seven process steps: step 1: making a stainless steel strip, using iron as a main raw material, melting through an electric furnace, and adding between 11.8% and 13.4% chromium, between 0.29% and 0.55% manganese, between 0.20% and 0.40% silicon, between 0.3% and 0.9% nickel, between 1.5% and 2.5% copper, between 0.7% and 1.2% molybdenum, processing to form the stainless steel strip; step 2: rolling and cutting, namely rolling and cutting the stainless steel strip to form a blade approximate outline; and step 3: quenching, namely performing three-section quenching on the rolled and cut blade, and then performing tempering treatment; and 4, step 4: polishing and cleaning, namely polishing the tempered blade to remove burrs, and then cleaning; and 5: spraying the surface of the blade, spraying an antirust and non-stick coating on the surface of the blade, and then drying the blade for the first time; step 6: carrying out corrosion resistance treatment on the blade; and 7: and detecting the blade and packaging.
Further, the quenching process in the step 3 comprises the following specific process steps: and (3) carrying out three-stage quenching on the blade formed by rolling and cutting in the step (2), wherein the quenching temperature of the first stage is 380 ℃, the quenching temperature of the second stage is 860 ℃, the quenching temperature of the third stage is 1050 ℃, and the tempering temperature is 250-400 ℃.
Further, in the step 4, the blade polished and deburred is cleaned by a solution, and the cleaning solution comprises the following components: 15% oxalic acid solution, 10% ammonia water, 10% alcohol, 20% sodium nitrite solution and the balance of water.
Further, the anti-rust coating in the step 5 is one of chromium, titanium, tungsten and niobium, and the non-stick coating in the step 5 is polytetrafluoroethylene.
Further, the specific process steps of the corrosion-resistant treatment in the step 6 are as follows: and (3) soaking the blade in organic oil for 30-120 min, and then removing the blade for secondary drying.
Further, the detection and packaging specific process steps in the step 7 are as follows: the staff carries out rust-resistant and corrosion-resistant detection to the blade, puts into the wax paper after detecting qualified and packs, avoids its and air direct contact.
Further, the thickness of the blade is 0.8mm-1mm.
Furthermore, the thickness of the anti-rust coating and the non-stick coating is 0.1nm-18nm.
The invention has the beneficial effects that:
compared with the razor blade made of the alloy material and the ceramic material in the market, the razor blade has the advantages of lower cost, stronger corrosion resistance, strength and rust resistance, enhanced experience feeling provided by the manual razor and longer service life.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be illustrative, but not limiting, of the scope of the invention, and the conditions employed in the examples may be further modified depending upon the specific industry and the conditions not specifically recited are generally conventional in the art.
The method comprises the following specific process steps:
s1, manufacturing a stainless steel strip, using iron as a main raw material, melting through an electric furnace, and adding between 11.8 and 13.4 percent of chromium, between 0.29 and 0.55 percent of manganese, between 0.20 and 0.40 percent of silicon, between 0.3 and 0.9 percent of nickel, between 1.5 and 2.5 percent of copper, and between 0.7 and 1.2 percent of molybdenum to form the stainless steel strip.
And S2, rolling and cutting, namely rolling and cutting the stainless steel band to form a blade approximate outline, and forming the blade at the stage.
And S3, quenching, namely performing three-section quenching on the rolled and cut blade, and then performing tempering treatment.
And S4, polishing and cleaning, polishing the tempered blade to remove burrs, and then cleaning.
S5, spraying the surface of the blade, spraying an antirust and non-stick coating on the surface of the blade, and then drying the blade for the first time.
And S6, carrying out corrosion resistance treatment on the blade.
And S7, detecting the blade and packaging.
Step 3 the quenching process comprises the following specific process steps: carrying out three-stage quenching on the blade formed by rolling and cutting in the step 2, wherein the quenching temperature of the first stage is 380 ℃, the quenching temperature of the second stage is 860 ℃, the quenching temperature of the third stage is 1050 ℃, the tempering temperature is 250-400 ℃, and the hardness after quenching is HV 640-700; after being tempered for 1 to 2 times at 250 to 400 ℃, the material has the hardness of HV540 to 620 and a metallographic structure of a martensite crystal structure, has excellent machining performance, can meet the machining requirement of a shaving cutter blade with a complex shape, and has better comprehensive performances such as wear resistance, corrosion resistance, heat treatment characteristics and the like through the measurement of a comparison test.
And 4, cleaning the blade which is polished and deburred by using a solution, wherein the cleaning solution comprises the following components: the water-based cleaning agent is characterized by comprising 15% oxalic acid solution, 10% ammonia water, 10% alcohol, 20% sodium nitrite solution and the balance of water, and is used for cleaning dirt and debris adsorbed on the surface of a blade in the machining process without influencing the structure of the blade.
The anti-rust coating in the step 5 is one of chromium, titanium, tungsten and niobium, the non-stick coating in the step 5 is polytetrafluoroethylene, and the anti-rust coating and the anti-sticking coating are sprayed, so that the blade has high stability and is longer in service life in the using and storing processes.
The specific process steps of the corrosion resistance treatment in the step 6 are as follows: and (3) soaking the blade in organic oil for 30-120 min, then removing the blade and drying for the second time, wherein the organic oil covers the surface of the blade to form an oil film and block the contact of the blade body and air.
Step 7, the detection and packaging specific process steps are as follows: the staff carries out rust-resistant and corrosion-resistant detection to the blade, puts into the wax paper after detecting qualified and packs, makes its sealed effect better.
The thickness of the blade is 0.8mm-1mm, the blade body has lower thickness and stronger hardness, and the shaving experience is better.
The thickness of the anti-rust coating and the non-stick coating is 0.1nm-18nm.
Various other changes and modifications to the above-described embodiments and concepts may occur to those skilled in the art, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (8)
1. A preparation process of a stainless steel razor blade is characterized by comprising the following steps: the method comprises the following process steps: step 1: making a stainless steel strip, using iron as a main raw material, melting through an electric furnace, and adding between 11.8% and 13.4% chromium, between 0.29% and 0.55% manganese, between 0.20% and 0.40% silicon, between 0.3% and 0.9% nickel, between 1.5% and 2.5% copper, between 0.7% and 1.2% molybdenum, processing to form the stainless steel strip; and 2, step: rolling and cutting, namely rolling and cutting the stainless steel strip to form a blade approximate outline; and 3, step 3: quenching, namely performing three-section quenching on the rolled and cut blade, and then performing tempering treatment; and 4, step 4: polishing and cleaning, namely polishing the tempered blade to remove burrs, and then cleaning; and 5: spraying the surface of the blade, spraying an antirust and non-stick coating on the surface of the blade, and then drying the blade for the first time; step 6: carrying out corrosion-resistant treatment on the blade; and 7: and detecting the blade and packaging.
2. A process for making a stainless steel razor blade according to claim 1, wherein: the quenching procedure in the step 3 comprises the following specific process steps: and (3) performing three-stage quenching on the blade formed by rolling and cutting in the step (2), wherein the quenching temperature of the first stage is 380 ℃, the quenching temperature of the second stage is 860 ℃, the quenching temperature of the third stage is 1050 ℃, and the tempering temperature is 250-400 ℃.
3. A process for making a stainless steel razor blade according to claim 1, wherein: and in the step 4, the blade which is polished and deburred is cleaned by using a solution, wherein the cleaning solution comprises the following components: 15% oxalic acid solution, 10% ammonia water, 10% alcohol, 20% sodium nitrite solution and the balance of water.
4. A process for making a stainless steel razor blade according to claim 1, wherein: the anti-rust coating in the step 5 is one of chromium, titanium, tungsten and niobium, and the non-stick coating in the step 5 is polytetrafluoroethylene.
5. A process for making a stainless steel razor blade according to claim 1, wherein: the specific process steps of the corrosion resistance treatment in the step 6 are as follows: and (3) soaking the blade in organic oil for 30-120 min, and then removing the blade for secondary drying.
6. The process of claim 1, wherein the stainless steel razor blade is made by: the detection and packaging specific process steps in the step 7 are as follows: the staff carries out rust-resistant and corrosion-resistant detection to the blade, puts into the wax paper after detecting qualified and packs, avoids its and air direct contact.
7. The process of claim 1, wherein the stainless steel razor blade is made by: the thickness of the blade is 0.8mm-1mm.
8. A process for making a stainless steel razor blade according to claim 1, wherein: the thickness of the anti-rust coating and the non-stick coating is 0.1nm-18nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210944612.0A CN115287553A (en) | 2022-08-08 | 2022-08-08 | Preparation process of stainless steel razor blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210944612.0A CN115287553A (en) | 2022-08-08 | 2022-08-08 | Preparation process of stainless steel razor blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115287553A true CN115287553A (en) | 2022-11-04 |
Family
ID=83828130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210944612.0A Pending CN115287553A (en) | 2022-08-08 | 2022-08-08 | Preparation process of stainless steel razor blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115287553A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69011118D1 (en) * | 1990-11-10 | 1994-09-01 | Wilkinson Sword Gmbh | Corrosion-resistant steel for razor blades, razor blades and manufacturing processes. |
| CN1400931A (en) * | 2000-02-29 | 2003-03-05 | 吉莱特公司 | Razor blade technolgy |
| DE102004051629A1 (en) * | 2004-10-23 | 2006-04-27 | Stahlwerk Ergste Westig Gmbh | Stainless martensitic chrome steel |
| CN101117687A (en) * | 2007-09-13 | 2008-02-06 | 上海大学 | Copper-carbon easy-cutting stainless steel and method for making same |
| CN101195895A (en) * | 2006-12-08 | 2008-06-11 | 新日铁住金不锈钢株式会社 | Martensitic stainless steel with excellent tarnish resistance |
| CN102534411A (en) * | 2010-12-16 | 2012-07-04 | 上海奔腾电工有限公司 | Stainless steel material for blade of electric razor |
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| CN113442179A (en) * | 2021-05-24 | 2021-09-28 | 江苏利宇剃须刀有限公司 | Soft-hard alternating carbon nano composite coating razor blade and preparation method thereof |
| CN214323439U (en) * | 2020-11-30 | 2021-10-01 | 江苏利宇剃须刀有限公司 | Razor blade that security is good |
| CN114260664A (en) * | 2021-12-22 | 2022-04-01 | 江苏利宇剃须刀有限公司 | Improved manual razor blade production method |
-
2022
- 2022-08-08 CN CN202210944612.0A patent/CN115287553A/en active Pending
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|---|---|---|---|---|
| DE69011118D1 (en) * | 1990-11-10 | 1994-09-01 | Wilkinson Sword Gmbh | Corrosion-resistant steel for razor blades, razor blades and manufacturing processes. |
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| DE102004051629A1 (en) * | 2004-10-23 | 2006-04-27 | Stahlwerk Ergste Westig Gmbh | Stainless martensitic chrome steel |
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| Title |
|---|
| 郑传波等, 国防工业出版社 * |
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Application publication date: 20221104 |