Carcass (tire)

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carcass

The carcass is the main pillar in rubber tires , belts and conveyor belts. It consists of layers of fabric that are embedded in rubber and act as reinforcements.

The fabric or the fiber layers consist of synthetic fibers such as rayon , viscose fiber , but cotton and other vegetable fibers have also been used, commercial vehicle tires often have a steel carcass. With radial tires , steel cord is usually used over the carcass in the area of ​​the tread (steel belted tires ).

As a measure of the density of the carcass fabric, the unit is tpi or epi ( english threads / Ends per inch - "ends per inch ") is used. This indicates how many fibers per inch the carcass consists of.

Bead wire manufacture

Individual evidence

  1. Schwalbe / Ralf Bohle GmbH: What does the EPI number mean for the carcasses? , accessed January 18, 2013