| 李明珊,孙文文,齐林,杨丽,石礼冉.全钢载重子午线轮胎DOT识别编码编制细则[J].橡胶科技,2019,17(11):0635-0637. |
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| 全钢载重子午线轮胎DOT识别编码编制细则 |
| Preparation Rules of DOT Identification Code for Truck and Bus Radial Tire |
| 投稿时间：2019-05-09 修订日期：2019-06-10 |
| DOI：10.12137/j.issn.2095-5448.2019.11.0635 |
| 中文关键词: 全钢载重子午线轮胎 DOT识别编码 工厂代码 轮胎规格 花纹 年周号 |
| 英文关键词: truck and bus radial tire DOT identification code factory code tire size pattern year week number |
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| 中文摘要: |
| 介绍全钢载重子午线轮胎DOT识别编码编制细则。美国交通部49CFR 574法规要求轮胎识别标志长度统一规定为13位；其中，工厂代码由3个符号组成；制造商编码由6个符号组成，用来确定轮胎的重要特征和商标持有者；年周号由4个数字组成，前两位表示周号，从完整的阳历周从星期天至星期六的一个循环算起，每年的最后1周可以包括次年的6天，后两位表示年号。采用DOT识别编码对轮胎进行标识可以清晰明确地了解其规格、花纹和商标持有者，简单方便。 |
| 英文摘要: |
| This paper introduced the preparation rules of US Department of Transportatio（DOT） identification code for truck and bus radial tire.The DOT’s 49CFR 574 regulations requires a tire identification mark length of 13 digits，the factory code consists of 3 symbols，the manufacturer code consists of 6 symbols to determine the important characteristics of tire and the trademark holder，the year week number consists of 4 digits，the first two digits represents the week number，from the complete solar calendar week，a cycle from Sunday to Saturday，the last week of each year can include 6 days of the following year，the last two digits represents the year number.Using DOT identification code to identify the tire could clearly understand its size，patterns and trademark holders，which was simple and convenient. |
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