driving band
rotating band

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

The shells also have plastic driving bands to improve barrel life.

Another issue is that with increasing shell weight it becomes more difficult to engineer the driving band.

They made a bronze screen from the driving bands of enemy shells.

The manufacture of shell driving bands was another notable contribution.

Over this, the expected barrel wear combined with the narrow driving bands could lead to a loss of pressure.

Haze from vaporized driving bands twinkled in the air before her.

This was soon followed by the Vavaseur copper driving band as part of the projectile.

An obturating ring or driving band made of a softer material is the typical solution.

The shell was spun in the same way as conventional artillery rounds with a driving band towards the base.

The wide forward driving band helps keep the bullet aligned as it jumps across the cylinder gap.

The continual drag of the driving bands caused the liner to be gradually stretched forward.

A system combining some sort of rifling for accuracy without a driving band would result in a longer-range weapon.

Two copper driving bands provided a gas-tight seal against the gun barrel during firing.

Because of the three wide equal width driving bands, the total bearing surface is half the length of the bullet.

A driving band has to be soft but tough enough to prevent stripping by rotational and engraving stresses.

Instead of a driving band, the shell flared at its base and was machined to engage the rifling.

The slug's driving band flashed as it ionized; the ghostly yellow glow remained in the air for several seconds.

The pellets' aluminum driving bands vaporized in the flux, so sustained shooting created a good deal of waste heat.

The weapon's powerful flux vaporized the aluminum driving band of its heavy-metal projectile.

The projectiles' vaporized driving bands fluoresced in the dimness.

The driving band rotated the projectile, centred it in the bore and prevented gas escaping forwards.

The Scotsman called Verrell a "driving band drummer" and an "exciting soloist".

Production and selling of cloth, PVC, driving bands and foils.

The group has been performing ever since with a rotating band of soloists.

For a rotating band of loyal followers, it was an irresistible mission.

The case of the cartridge was crimped around the rear rotating band.

Around the tube near the base is a copper alloy ring called the rotating band.

They used to have a rotating band roster that changed from tour to tour depending upon who could go.

The projectiles fired by the weapon were slightly unusual in that they had two rotating bands.

At the top of the screen, a rotating band, partitioned into three segments, provides index and commodity prices.

Within two years Mr. Borden had 17 rotating bands at the club, some of them playing once a week.

Borders' team examined the rotating band and did not find any traces of polyethylene terephthalate.

It prefers the raw noise of rotating bands of every genre, from salsa to Irish.

The obturator and rotating band form a seal to prevent leakage of gas pressure past the projectile.

It's an action game with light role-playing elements that teams up rotating bands of famous Marvel characters in their inevitable battle to save the world.

Rotating band tester.

Changes saw three distinct periods with rotating band members before their contemporary incarnation, heavily associated with the neofolk genre.

The projectiles used are pre-engraved, that is, the rotating bands are cut to engage the rifled bore.

The projectile is packaged on a metal pallet with a shock attenuating lifting plug and flexible rotating band cover.

Also, as the projectile travels down the barrel, the rotating band grips the rifling to impart spin to the projectile.

The propellant charge assembly consists of the percussion cap, the propellant powder, and an expanding copper rotating band.

We found iron fibers in the rotating band that could be steel wool, but were unable to clearly identify a source of fibers of their diameter.

The event featured two sets and a rotating band of musicians playing a variety of Ginger's backcatalogue, covers along with Wildhearts songs.

No untouched portions of the rotating band remained and Sandia was provided with a section to examine that had already been examined by the FBI.

The shell is lifted into position behind the breach and then rammed into the chamber to engage the shell's rotating band into the barrel rifling.

But it posited that the planets were spherical bodies set in rotating bands or rings rather than wheel rims as in Anaximander's cosmology.

Telling the time by an egg-shaped clock in green enamel is done by reading the Roman numeral on the rotating band at the hour indicator, a diamond-encrusted star.

Driving Band or Rotating Band - A raised ring or rings of soft metal encircling a projectile designed for rifled gun barrels.