A razor is a knife tool primarily used in removal of unwanted body hair through shaving action. This type of razor includes a straight razor, a disposable razor, and an electric razor.
While razors have existed before before the Bronze Age (the oldest item such as razors has been 18,000 BC), the most commonly used type of razor today is safety razors and electric razors, although other types are still used.
Video Razor
History
Razors have been identified from many Bronze Age cultures. It is made of bronze or obsidian and is generally oval in shape, with small pliers protruding from one end of the short.
Various forms of razors are used throughout history, which differ in appearance but are similarly used for modern straight razors. In prehistoric times, shells, shark teeth, and flint were honed and used for shaving. The image of the blade is found in prehistoric caves. Some tribes still use blades made of flint to this day. Excavations in Egypt have found strong gold and copper razors in graves dating from the 4th millennium BC. Some razors as well as other personal hygiene artifacts were found from the Bronze Age cemetery in northern Europe and are believed to belong to high-status individuals. The Roman historian Livy reports that a razor was introduced in ancient Rome in the 6th century BC. by the legendary king Lucius Tarquinius Priscus. Priscus preceded his time because the razor was not used in general until a century later.
The first modern straight razor complete with decorative handles and hollow ground knives was built in Sheffield, in England, the cutting tool industry center, in the 18th and 19th centuries. Benjamin Huntsman produced the first superior hard steel grade, through a special container process, suitable for was used as a knife material in 1740, although it was first rejected in England. The Huntsman process was adopted by France some time later; although reluctantly at first due to nationalist sentiment. British producers are even more reluctant than France to adopt the process and only do so after they see its success in France. Sheffield Steel, a very fine steel, also known as Sheffield silver steel and renowned for its deep luster, is considered a superior quality steel and is still used today in France by producers such as Thiers Issard.
In the 18th and 19th centuries, rich people had helpers to shave them or use barbers often. Daily shaving was not a widespread practice in the 19th century so some people never shave. Daily shaving habits among American men are twentieth-century innovations that began after World War I. Men are required to shave daily so their gas masks will fit properly and this becomes easier with the emergence of safety razors, which are standard problems during war. In the 19th century, cutters in Sheffield, England, and Solingen, Germany produced various types of razors.
A straight razor is the most common shaving form before the 20th century and remained common in many countries until the 1950s. Barbers are specially trained to provide thorough and fast shaving customers, and a ready-made razor collection is a common sight in most barbershop. The barber still has it, but they rarely use it.
The straight razor finally fell out of fashion. Their first challenger was made by King C. Gillette: a double-edged razor with a replaceable blade. Gillette's idea is to use the concept of "loss leader", where a razor is sold at a loss, but a replacement knife gets a high margin and provides ongoing sales. They are very successful because advertising campaigns and slogans undermine the effectiveness of a straight razor and question its safety.
This new safety razor does not require serious monitoring to use. Knives are very difficult to sharpen, and are intended to be removed once used, and rusted quickly if not removed. They also require a smaller initial investment, even though it costs more from time to time. Despite having long-term benefits, the straight razor loses significant market share. And since the shaving becomes less intimidating and the man begins to shave himself more, the barber's request that provides a straight razor blade decreases.
In 1960, a stainless steel knife that could be used more than once became available, reducing the cost of safety razor shaving. The first knife was made by the Wilkinson company, the famous ceremonial swordsman, in Sheffield. Soon Gillette, Schick, and other manufacturers make stainless steel blades.
This is followed by some cartridge blades and a disposable razor. For each type of replaceable blade, there is usually a disposable razor.
In the 1930s, electric shavers became available. This can match the cost of a good straight razor, though all straight-line razor blades can exceed the cost of even expensive electric razors.
Maps Razor
Razor straight
A straight razor with an open steel blade, also known as cut-throats, is the most commonly used razor before the 20th century.
A straight razor consists of a sharpened knife on one side. The blades can be made of stainless steels, which are slower to sharpen and chop, and have longer edges, or high carbon steels, which sort and sting quickly, but have less durable edges. Currently, stainless-steel razors are harder to find than carbon steel, but both are manufactured.
The blades rotate on the pins through the pliers between two protective parts called the scale: when folded into the scales, the blades are protected from damage, and the user is protected. Handle scales are made of various materials, including mother-of-pearl, celluloid, bone, plastic and wood. Once created from ivory, this has been stopped, although fossil ivory is used occasionally.
A straight razor blade
The razor is similar in use and appearance to straight razors, but uses a disposable knife, either a standard double-edged cut in half or a specially made single edge. This shavette is used in the same way as a straight razor but does not require stropping and honing.
Safety razor
The first safety razor protects the skin from all but the edge of the blade and was created in 1762 by a Frenchman, Jean-Jacques Perret, who was inspired by the combined plane. Perret design is essentially a straight razor blade with a blade surrounded by a wooden sleeve. Around 1875 a new design with smaller blades placed on the handle was marketed by Kampfe Brothers as "the best shaving method available on the market that will not cut users, like a straight steel razor."
A removable razor
The term safety razor was first used in 1880 and describes a basic razor with a handle attached to the head where the blade can be removed. The edge is then protected by a patterned comb on the head to protect the skin. In a more modern manufactured razor, the comb is now more frequently replaced by a safety bar. There are two types of safety razors, single-edged and double-edged. The one-eyed razor is essentially a 4 cm (1.6 inch) long segment of a straight razor blade. The double-edged razor is a razor blade with a sloping bar that can be used on both sides, with two sides open. The bar on the double-edged razor is slightly curved to allow for smoother and cleaner shavings.
In 1901, American inventor King Camp Gillette, with the help of William Nickerson, patented a new variation of safety razor with a disposable knife. Gillette realized that profit could be made by selling cheap razors with a disposable knife. It has been called a business model of razors and knives, and has become a very common practice for a wide range of products.
Many other safety razor brands have come and gone. Most of the competition is based on a knife design suitable only for one type of razor to form a standardized blade by inserting a multi-faceted center channel to the blade that will accommodate the various designs of a knife security system; eg three pins, slim metal bars, etc. Even today, these various forms of security still survive in their variation in DE razors, all receiving the same universal knife design.
Razor blades
Utilizing the same business model of razors and knives pioneered in the early 20th century, razor blades were developed in the 1960s and are now the most common form of shaving in the developed world. Although designed to have a more ergonomic shape on the grip and head (including a generalized rotating head that makes the blade tilt to the skin at a predetermined angle through shaving movement), this concept is very similar to a double edge razor.. However, here the entire head assembly (known as cartridge) is removed and discarded, not just the blades. Also, it is common for the heads of these cartridges to have some razors mounted on them, usually between two and five vanes.
disposable safety razors
Disposable safety razors are very similar in design to Cartridge Razors, made from inexpensive materials (generally polycarbonate injection molded), but are intended to be fully disposable after use without sharpening or replacing possible blades. One device was discovered in 1963 by American entertainer and inventor, Paul Winchell.
Electric razors
The electric razor (also known as a dry electric shaver) has a rotating or oscillating blade. Electric razors usually do not require the use of shaving cream, soap, or water. The razor may be powered by a small DC motor, which is either powered by a battery or mains. Many modern ones are powered by a rechargeable battery. Alternatively, electro-mechanical oscillators driven by AC-powered solenoids may be used. Some very early mechanical shavers do not have an electric motor and must be powered by hand, for example by pulling a rope to drive the flywheel.
Other shaver
A thick, rigid, one-eyed razor like a utility knife is used for hand-held tasks. Applications include detailed carpentry work such as sanding and erosion (in special holders), cutting paper for engineering drawing, piping and finishing work such as installing and cleaning, and removing paint from flat surfaces such as glass panels. Unlike razors, industrial grade blades used in this tool are usually made of non-steel steels such as carbon steel, and have a harder and duller edge.
The paralyzed man is a razor used in the production of bread to cut the bread surface that has not been baked.
See also
- Glasgow razor gang
- hair cutter
- Headblade
- Razor blades
References
Source of the article : Wikipedia
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