|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||102/2021 ; 102/2025|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 6 인용 특허 : 1|
A column of explosive in a low-voltage detonator which makes it bonfire-safe includes a first layer of an explosive charge of CP, or a primary explosive, and a second layer of a secondary organic explosive charge, such as PETN, which has a degradation temperature lower than the autoignition temperature of the CP or primary explosives. The first layer is composed of a pair of increments disposed in a bore of a housing of the detonator in an ignition region of the explosive column and adjacent to and in contact with an electrical ignition device at one end...
A bonfire safe detonator having a housing with a bore therein, a header supported by said housing and mounting an electrical ignition device in communication with and adjacent to an end of said housing bore, and a column of explosive comprising: (a) a first layer of an explosive charge of CP disposed in said housing bore in an ignition region of said explosive column adjacent to and in contact with said ignition device; and (b) a second layer of a secondary organic explosive charge disposed in said housing bore in a transition region of said explosive co...