Invention Grant
US3754510A Propellant charge for devices used industrially 失效
用于工业用途的设备的费用

Propellant charge for devices used industrially
Abstract:
The present disclosure is directed to a propellant charge for industrial use which comprises a body of a propellant powder having a centrally disposed recess extending therethrough, said recess containing a percussion sensitive primer substance, said primer substance being housed in the recess in such a manner that the compacting of the primer substance remains below the value required for the ignition thereof upon a sudden unexpected compression of the propellant charge in the direction of the axis of the recess.
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