.~.~ Shaped charge or charge with detonation wave cavity modifier {4}
310
.~.~.~ Plural charges
DEFINITION
Classification: 102/310
Plural charges:
(under subclass 306) Subject matter having more than one shaped charge.
(1) Note. Here are well perforators having a support, with a plurality of shaped charges each aimed in different directions, adapted to be lowered into a well. The perforator is also called a gun.
SEE OR SEARCH THIS CLASS, SUBCLASS:
307, for a linear or curvilinear-shaped charge cavity which may have plural explosive charges.
308, for plural charges axially aligned, at least one charge being a shaped charge.
317, for similar contained charges joined end to end.
318, for a booster charge and a main charge. 320, for plural contained charges.