Patents Assigned to J.E.M. Smoke Machine Company
  • Pyrotechnic device
    Patent number: 5375523
    Abstract: A pyrotechnic device comprises a receptacle which contains a charge of pyrotechnic material and an electric fuse to initiate the charge. The receptacle is formed of a plastics housing which has an area formed of lines of weakness adapted to rupture on activation of the pyrotechnic material and a closure having an integrally moulded projection which defines a screw-thread, electric contacts being associated with the projection and trapping the bared ends of wires associated with the fuse.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: December 27, 1994
    Assignee: J.E.M. Smoke Machine Company, Ltd.
    Inventor: Nigel Morris
  • Pyrotechnic device
    Patent number: 5313887
    Abstract: A pyrotechnic device comprises a receptacle which contains a charge of pyrotechnic material and an electric fuse to initiate the charge. The receptacle is formed of a plastics housing which has an area formed of lines of weakness adapted to rupture on activation of the pyrotechnic material and a closure having an integrally moulded projection which defines a screw-thread, electric contacts being associated with the projection and trapping the bared ends of wires associated with the fuse.
    Type: Grant
    Filed: May 23, 1991
    Date of Patent: May 24, 1994
    Assignee: J.E.M. Smoke Machine Company
    Inventor: Nigel Morris