This class does not include construction of fireworks, as Fulltext... Hierarchy... Expanded...C06D provides not only for compositions but also for firework bodies.
In this class: The following terms are used with the meanings indicated:
"primer" effects the first explosive step in the sequence of explosion;
"percussion cap" — a primer which is struck to explode;
"igniter" effects the first spark-producing or heat-producing step but may not be explosive;
"firing-means", "initiator" (used respectively in the arts of weaponry and blasting) — the device acting directly on the primer, which device may or may not form part of the fuze;
"detonator charge" — a charge used to amplify the explosion of the primer;
"fuze" — an assembly which determines the moment of the explosion (instantaneous or delayed) and which incorporates firing-means for initiating the explosion spark.