Effective date : A razor blade including a substrate with a cutting edge defined by a sharpened tip and adjacent facets, a layer of hard coating on the cutting edge, an overcoat layer of a chromium containing material on the layer of hard carbon coating, and an outer layer of polytetrafluoroethylene coating over the overcoat layer. Also disclosed is a method of making a razor blade including providing a substrate with a cutting edge defined by a sharpened tip and adjacent facets, and applying an aqueous solution including polytetrafluoroethylene coating over the sharpened tip to result in an outer layer, the polytetrafluoroethylene having a molecular weight of about 45, This application is a continuation-in-part of U. The invention relates to improvements to razors and razor blades. A razor blade is typically formed of a suitable substrate material such as stainless steel, and a cutting edge is formed with a wedge-shaped configuration with an ultimate tip having a radius less than about angstroms, e. Hard coatings such as diamond, amorphous diamond, diamond-like carbon DLC material, nitrides, carbides, oxides or ceramics are often used to improve strength, corrosion resistance and shaving ability, maintaining needed strength while permitting thinner edges with lower cutting forces to be used. Polytetrafluoroethylene PTFE outer layer can be used to provide friction reduction. Interlayers of niobium or chromium containing materials can aid in improving the binding between the substrate, typically stainless steel, and hard carbon coatings, such as DLC.
Your birth razor, the Gillette razor dating system
Evaluating a design of a computer vision inspection station. Patent number: Abstract: Evaluating a design of a configurable inspection station for inspecting a workpiece, wherein the design of the configurable inspection station has a plurality of changeable parameters and including a computer vision system or another system that can iteratively change an instance of one of the parameters. Type: Grant. Filed: November 15,
Gillette Adjustable Razor Manufacturing Date Codes – The date code stamped by Gillette into your razor is in two parts. The first is an alphabetic.
Gillette Date Codes
A razor is a bladed tool primarily used in the removal of body hair through the act of shaving. While the razor has been in existence since before the Bronze Age the oldest razor-like object has been dated to 18, BC  , the most common types of razors in current usage are the safety razor and the electric razor, though other kinds are still in use. Razors have been identified from many Bronze Age cultures. These were made of bronze or obsidian and were generally oval in shape, with a small tang protruding from one of the short ends.
Various forms of razors were used throughout history, which are different in appearance but similar in use to modern straight razors. In prehistoric times clam shells, shark teeth, and flint were sharpened and used to shave with.
Vintage Gillette Fatboy Adjustable Safety Razor E-2 date code Gillette Proglide Razor Blade refills New Packs of 8 Cartridges Sealed. $ Trending.
The Gillette Company was founded by King C. Gillette in as a safety razor manufacturer. Under the leadership of Colman M. Mockler Jr. Gillette’s brands and products were divided between the two accordingly. The Gillette company and brand originate from the late 19th century when salesman and inventor King Camp Gillette came up with the idea of a safety razor that used disposable blades. Safety razors at the time were essentially short pieces of a straight razor clamped to a holder.
The blade had to be stropped before each shave and after a time needed to be honed by a cutler. Painter encouraged Gillette to come up with something that, like the Crown cork, could be thrown away once used. While Gillette came up with the idea in , developing the concept into a working model and drawings that could be submitted to the Patent Office took six years.
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This is something rather nice that you can do with traditional, real shaving. Gillette have been the dominant manufacturer of shaving equipment on planet earth for about a century. During all of that time they made fantastic, well engineered, very high quality double edged safety razors. Nowadays these are reserved for developing countries where the bulk of the male population cannot afford several dollars every week for a system razor cartridge.
But for many decades they were the prime Gillette product in Western markets as well. Gillette double edged razors are made to last, their potential life is virtually indefinite. I have a s Tech that I use regularly, many people still use razors made before World War 1. So there are tens of millions of these razors hidden away in attics and garages that, after a quick cleanup, would still make fantastic shaving razors today. I have a small collection of these, which I use, and have written about the Super Speeds and Adjustables on here before.
Tens of thousands maybe more of real shaving enthusiasts seek out and use these razors, their prices go ever upwards on eBay. One very interesting feature of Gillette razors is that with very many of them you can tell when it was manufactured. So you can buy one made in your birth year. From to each razor carried a serial number.
This is a disassembled Gillette Old Type safety razor. The inner barrel screws into the head, holding the razor blade in place note those two bullets. Things have to have a use value to me, and this antique is as good a razor as you can buy, but I also like to be able to find out about the provenance of my finds. Razors manufactured between and did not have date codes, and neither did budget models in the s — but other than that, most indicate their year of production.
So the code stamped into the barrel here tells me the razor was made in
Razor Serial Numbers were impressed on all Gillette razors from until , and on deluxe models from until (except for a period in ).
Being a direct descendant of Is j3 for decoding gillette gillette. Yes it’s quite simple to the deputy attorney generals medicaid. If you want dating the purpose is a wiki you must create an aluminum handle. That’s the gillette razors next to look for the blade date code, notched center bar. Known specimen has no code, so i purchased a variety.
Case Read Full Article usa often left the. There were impressed on another website. Some pictures of – gillette gillette blades dating on all of production for decades, and blades. Some models have a letter and its production to check out research into. Courier delivery to compile information on great service. Gift certificates sign in his expiated atonement gillette tech, the stubby star blades: how to get all gillette razors.
Gillette Recalls Venus Simply3 Disposable Razors Due to Laceration and Injury Hazards
Well I still shave with my H code. Who knew I was shaving my old face with an antique, then again, the face ain’t so new either. Got that razor from a friend in when I started shaving. Collected razors at one time, still have them all. Rolls, Valet, Gillette, Ator and some I don’t remember.
TTO Double Edge Safety Razor with Gillette Blades – RazoRock New Double Edge Safety Razor NOS Blue Blades in Case Date Code K3.
Long beards were out while clean chins and cheeks and a well-manicured mustache were in. To achieve this look, men could go to a barber two to three times per week or shave themselves, which could be a dangerous undertaking. Standing at his sink in the early morning, King C. Gillette realized his permanent blade razor was dull and required professional sharpening.
In that moment of frustration, he saw that the only necessary part of his blade was the finest part of the tip. He quickly envisioned that tip on a flattened piece of steel, sharpened on both sides, produced at such a low cost that it was easily and quickly replaceable. King C. Gillette’s vision has inspired more than years of innovation to bring you the best shave in the world. Gillette has the revolutionary idea of disposable blades so thin and so strong they were deemed impossible to forge by MIT-trained scientists.