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Besides puncturing of the tire a flat can be caused by: failure of or damage to the valve stem; a nail in the tire; rubbing of the tire against the road; ripping of the tire; separation of tire and rim by collision with another object; excessive wear of the tire tread allowing explosive tire failure or road debris tearing through the tire. Some ...
Such tires will have an arrow showing which way the tire should rotate when the vehicle is moving forwards. B: Bias belted; tires for motorcycles (Example: 150/70 B 17 69 H) – diagonal construction with belt added under the tread; BSB: Broken serrated band; BSL: Black serrated letters; BSW: Black sidewall
Tires may fail for any of a variety of reasons, including: [122] Belt separation which may be belt-to-belt, tread and belt, or separation of the edge of the belt. Belt-to-belt separation may occur having the tire deflect too much, from high pavement temperatures, road hazard impacts, or other causes that have to do with maintenance and storage.
The cause is classically a head-on motor vehicle collision in which the affected person is wearing only a lap belt. [2] Being hit in the abdomen with an object like a tree or a fall may also result in this fracture pattern. [12] [10] It often involves disruption of all three columns of the vertebral body (anterior, middle, and posterior).
Skim rubber is a thin strip of rubber sandwiched between the inner and outer belts and the belt wedge is a thin strip of rubber installed along the outer edge of the tire between the two steel belts and in the area of highest stress on the tire. These changes reduce the ability of the tire to resist crack growth and belt separation. [15]
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Seat-belt were missing. 2 killed, 42 hurt. The bus is destroyed. In December 2019, a double-decker bus perform a rollover on Técou, near Gaillac, Tarn, but people are protected by their seat-belt. [56] This led to European regulation (CE) 661/2009 and to UNECE regulation 66 revision to take into account such an issue.
My immediate reaction after reading this: "if a single belt breaks, such as the alternator belt, the driver may not realize that there is a problem before the engine becomes damaged." This particular instance is not really a good example since a broken alternator belt will NOT damage the engine, merely drain the battery (by no longer charging it).