Assertion: electric blasting cap | /r/MadeOf | a protector unit
Facets:
value: around the priming charge
type: LOCATION
value: around the entire explosive charge
type: OTHER
Source sentences:
text: Having now indicated in a general way the nature and purpose of this invention, there follows a more detailed description of preferred embodiments thereof, with references to the accompanying drawing in which Figure 1 represents a cross-sectional view of an electric blasting cap containing a protector unit around the entire explosive charge and having a bridge wire firing assembly.
text: Figure 2 represents a cross-sectional view of an electric blasting cap containing a protector unit around the priming and base charges but not across the base of the base charge and having a cavity type plug firing assembly.
text: Figure 3 represents a cross-sectional view of an electric blasting cap containing a protector unit around the priming charge and having a match head firing assembly.