|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F42B-003/16 F42C-019/12 F42B-003/12 F42B-033/00|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 23|
The present invention relates to an electric detonator (1) comprising a cap (2), comprising a priming charge (3) and an electrode (4), comprising a positive pole, a negative pole and a resistor element (8), the said priming charge (3) comprising at least two primary explosives, a first primary explosive (9) and a second primary explosive (10), and at least one secondary explosive (11). The electric detonator is characterized in that the two primary explosives (9, 10) and the secondary explosive (11) are arranged in layers, in an increasing degree of sens...
1. An electric detonator comprising a cap, comprising: a priming charge; and an electrod, comprising a positive pole, a negative pole and a resistor element configured as a thin film bridge comprised of a layer of zirconium, and wherein: i) said positive pole is configured as a rod or pin axially arranged in the cap, andii) said negative pole is configured as a socket arranged coaxially to the pin; oriii) said negative pole is configured as a rod or pin axially arranged in the cap, andiv) said positive pole is configured as a socket arranged coaxially to...