Patents Assigned to Ensign-Bickford (South Africa Proprietary) Limited
  • Explosives booster
    Patent number: 6186069
    Abstract: An explosives booster (10) intended for igniting a main explosive charge is provided which includes a first explosive charge (15) which is sensitive enough to be ignited by the explosion of a charge from a detonator (13); and a second explosive (16) charge which is less sensitive to ignition that the first charge, (15) but more sensitive to ignition than the main charge. The first charge may comprise a 60/40, and the second charge a 40/60, PETN/TNT pentolite mixture.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: February 13, 2001
    Assignee: Ensign-Bickford (South Africa Proprietary) Limited
    Inventor: Llewellyn Dippenaar