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Perm rodPerm rod description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20090084397, Perm rod. Brief Patent Description - Full Patent Description - Patent Application Claims
1. Field of the Invention The present invention relates generally to a perm rod, and, more particularly, to a perm rod that reduces damage to the waves of hair and also reduces the time taken to curl hair, thus making it easy and convenient to perform the permanent waving of hair. 2. Description of the Related Art Generally, dyeing or permanent waving is performed in order to create a hairstyle that expresses one\'s own personality. Such permanent waving is generally performed using perm rods. In greater detail, in order to form waves in hair, permanent waving is performed in such a way that an appropriate number of hairs is placed on a sheet of permanent wave paper, a permanent waving agent is distributed thereon, the sheet of permanent wave paper is rolled around a body having the shape of a perm rod, fixed using a band, maintained for a predetermined period of time while being heated, and then unrolled. As shown in Meanwhile, the body 10 is typically manufactured from synthetic resin. However, synthetic resin is a material that has well-known disadvantages in that it has poor chemical resistance and in that it has a heat-sensitive characteristic. Accordingly, if the body 10 is manufactured to be thinner than a critical thickness, a problem occurs in that the body 10 is damaged because it does not resist the toxicity of the permanent wave agent, which is used in the process of performing permanent waving, and is also easily deformed by heat. As a result, when the body 10 is manufactured using synthetic resin, it is essential to improve the durability by making the body 10 thick. However, if the body 10 is made thick, as described above, problems occur in that a hanging phenomenon occurs due to the increase in the weight of the body 10, and in that heat is not effectively transmitted to hair due to the decreased thermal conductivity, so that the heating temperature must be set higher and the heating time must be set longer in order to effectively form waves in the hair in the process of performing permanent waving. Furthermore, when permanent waving is performed, it is essential to use dedicated agents, and thus work must be performed in the state in which gloves are worn on both hands. However, conventionally, the rubber band 30 used to fix the sheet of permanent wave paper 20 is made of thin rubber material, so that there is a disadvantage in that it is difficult to perform fine work, such as holding the thin rubber band 30 with the fingers or fitting the thin rubber band 30 into the band depressions 12 while holding it with the fingers. Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and provides a perm rod, which can be used for a long time because it is highly durable and has high thermal conductivity, thus enabling the effective permanent waving of hair, and which makes it easy to handle a rubber band, thus making it convenient to perform work. In the present invention, a perm rod body is made of an aluminum material, so that the durability and thermal conductivity thereof are assured. Furthermore, a rubber band is detachably fastened to the perm rod body, so that the perm rod body can be conveniently used. The present invention provides a perm rod, including a body having a cylindrical shape and configured such that hair is rolled around the body; a sheet of permanent wave paper rolled around the body in the state in which an appropriate number of hairs is placed on the sheet of permanent wave paper; and a rubber band fixing the sheet of permanent wave paper, which is rolled around the body, so that the sheet of paper is not unrolled; wherein the body is made of an aluminum material, has a hollow cylindrical shape, and is configured such that a plurality of slots is formed in the outer surface of the body, and caps, having coupling protrusions, are fitted into the respective ends of the body, and wherein the rubber band has coupling holes, which are formed in the respective ends thereof, and is detachably coupled to the coupling protrusions. Furthermore, a plurality of frictional protrusions may be formed on the outer surface of the body. The above and other objects, features and advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which: Continue reading about Perm rod... Full patent description for Perm rod Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Perm rod patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Perm rod or other areas of interest. ### Previous Patent Application: Hair iron Next Patent Application: Oral hygiene system Industry Class: Toilet ### FreshPatents.com Support Thank you for viewing the Perm rod patent info. 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