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2. Snow chains - Wikipedia

   en.wikipedia.org/wiki/Snow_chains

   Automatic chains were invented in 1941 in the United States [ 1] and Sweden in 1977 [citation needed]. Snow chains, or tire chains, are devices fitted to the tires of vehicles to provide increased traction when driving through snow and ice . Snow chains attach to the drive wheels of a vehicle or special systems deploy chains which swing under ...

3. Chain (unit) - Wikipedia

   en.wikipedia.org/wiki/Chain_(unit)

   The chain (abbreviated ch) is a unit of length equal to 66 feet (22 yards ), used in both the US customary and Imperial unit systems. It is subdivided into 100 links. [ 1][ 2] There are 10 chains in a furlong, and 80 chains in one statute mile. [ 2] In metric terms, it is 20.1168 m long. [ 2] By extension, chainage (running distance) is the ...

4. Uniform Tire Quality Grading - Wikipedia

   en.wikipedia.org/wiki/Uniform_Tire_Quality_Grading

   UTQG ratings (top) and tire code (bottom) on sidewall of Continental ContiProContact tire. Uniform Tire Quality Grading, commonly abbreviated as UTQG, is a set of standards for passenger car tires that measures a tire's treadwear, temperature resistance and traction. The UTQG was created by the National Highway Traffic Safety Administration in ...

5. These Expert-Recommended Tire Chains Will Keep Your ... - AOL

   www.aol.com/7-best-tire-chains-2023-172000176.html

   The Best Tire Chains. Best All-Around: König XG-12 Pro 235. Best Budget: Security Chain Company Radial Chain SC1032. Best for Trucks and SUVs: Peerless 0232105 Auto-Trac Light Truck/SUV Tire ...

6. Rubber elasticity - Wikipedia

   en.wikipedia.org/wiki/Rubber_elasticity

   For the common experimental cross-link density of 4x10 19 cm −3, an average chain contains about 116 isoprene units (52 Kuhn lengths) and has a contour length of about 50 nm. Fig. 3 shows that a significant fraction of chains span several node spacings, i.e., the chain ends overlap other network chains. Natural rubber, cross-linked with ...

7. Tire code - Wikipedia

   en.wikipedia.org/wiki/Tire_code

   The DOT code [ 1] is an alphanumeric character sequence molded into the sidewall of the tire and allows the identification of the tire and its age. The code is mandated by the U.S. Department of Transportation [ 2] but is used worldwide. [ 3] The DOT code is also useful in identifying tires subject to product recall [ 4] or at end of life due ...