Tire puncture can be detected through driving sense. However, to rapidly find and dispose puncture is very important to maintain performance of a tire. There is no way for a driver to avoid puncture of a tire. Though this method appears simple, more time and expense are required since work must be performed in the inside surface of tire after separating the tire from a car once. Spread and apply adhesive to the damaged part and firmly secure the patch. For the patch type, attach thin film of rubber material to the hole-part. American laws regulate using of a sealant type of repairing product. Work is simple since immediate handling is possible without separating tire but a steel cord layer may be damaged in repair course. For the sealant type commonly called as 'earthworm', insert it into a hole part of tire using tools and fill the hole while pulling it again. Goods for repairing puncture of a tire largely include 2 types It may result in rupture accident by giving unreasonable burden to the repaired part of a tire fragile to heat. It is specially prohibited to run a car with a tire whose puncture is repaired for a long time. Repair of puncture must be considered as temporary means to “clog only wind hole” as the word means. That is why tire maker or the repair shop recommends use the repaired tire only as spare. Performance of a tire subject to critical damage due to puncture is speed. For a tire with critical flaw in durability, the quality warranty period is not applied and even speed degree is not admitted. That a hole occurs so that air is leaked from a tire is witness that even steal belt in charge of steel strength as well as rubber surface is damaged. A tire once punched is excluded from object of maker's quality warranty. However, it must consider effect of tire puncture on safety before thinking it distressed. It is in distress if a new tire, tread wear is not so severe, becomes useless due to puncture. A tire that performs rotation movement at a high speed with air full is easy to puncture due to nail or sharp stone.
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