Hair iron
There are people who have natural curly hair, and some of these people desire to correct curly hair into a straight hair. Heretofore, to correct natural curly hair so-called a natural permanent wave into a straight hair, it is carried out by fixing the stretched state of curly hair under the same principle as in the case where hair is pulled so as to draw or squeeze the hair with a heated iron using a permanent liquid to form a wave. Curling irons are widely used to curl or style hair. Curling irons have been used for years to administer heat to strands of hair which are held in a curved position, thus providing a permanent wave or curl when the hair is returned to its normal temperature. To facilitate the use of curling irons in creating particular hair styles, curling irons typically include integral hair grooming assemblies such as hair clamping members which are used in forming small or "tight" curls or brushes which are used in forming large or "loose" curls and waves. Typically, a curling iron includes a handle and a heat conducting member which extends from the handle and which houses therein the heating element of the curling iron. Commercially available curling irons often include such a tube secured to a handle, and a heating element inside the tube. A clamp extends along substantially the entire length of the tube. The ends of the hair strands are grasped between the tube and the clamp and the hair strands are wrapped around the tube and over the clamp by twisting the iron. Heat which is transferred from the tube to the hair causes the hair to retain a spiral shaped curl when the clamp is released and the curling iron is removed. When straightening of hair is desired, it has been necessary to employ a separate utensil, known as a flat iron or straightening iron, employing at least one heated surface. A main difference between curling irons and straightening irons is that the latter employ flat surfaces and relatively straight edges for clamping the hair and applying heat so that natural or artificially induced curls are relaxed and/or removed. Technology in hair irons relates mostly to an improvement of their functions and safety, including a hair iron which consists of a hair scrolling body formed from a heat conducting material and a hair guide formed with a non-heat conducting material to protect a user from bum and heat, a hair iron in which slits are formed on an ironing member and heaters insulated by ceramic are interiorly mounted on both sides of the slits, which permits the moisture going in and out, in order to improve hairstyling efficiency, an hair iron in which a steam opening and a steam leak preventing wall are formed in the hollow part of a corrugated heating plate in order to protect the scalp and fingers from leaking steam in hairstyling with steam, an electric iron in which a fluorine resin coating is applied on an ironing member to generate anions to prevent hair damage and shorten the time for the curling proces, a hair iron in which a space is formed in a partial site of oppositionally facing curved surfaces of a rod and a glove to improve aesthetic finishing with lustrous hair, and a hair iron in which the surfaces of oppositionally facing hair pressing parts are formed as engaging concave and convex surfaces and heaters are built inside said pressing parts to straighten frizzy hair into lustrous smooth straight hair without causing damage.
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