driving band

Noun

Meaning

(military) A band of soft metal near the base of an artillery shell which is forced into engagement with the gun's rifling upon firing, allowing the rifling to spin up the shell and providing a gastight seal around the base of the shell.

A band or strap that communicates motion from one machine, or part of a machine, to another.

Examples

Spin is induced by gun barrels having rifling which engages a soft metal band around the projectile, called a " driving band " (UK) or "rotating band" (U. Source: Internet

The driving band is usually made of copper, but synthetic materials have also been used. Source: Internet

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