Delay system

Claim 1

AN ELECTRICALLY DETONATED TIME DELAY FUSE FOR AN EXPLOSIVE DEVICE, SAID FUSE INCLUDING A CONTAINER HAVING APERTURES LOCATED THEREIN, AN ELECTRICAL INITIATOR MEANS LOCATED IN ONE END OF SAID CONTAINER FOR INITIATING THE FUSE COLUMN WHEN ENERGIZED, A CHIMNEY TYPE CHARGE HOLDER LOCATED IN SAID CONTAINER AND PARTIALLY SURROUNDING SAID INITIATOR MEANS, A CHARGE LOCATED IN SAID CHARGE HOLDER AND RESPONSIVE TO SAID INITIATOR MEANS WHEN ENERGIZED, A POROUS DISK OF SUBSTANTIALLY THE SAME AREA AS THE INSIDE AREA OF SAID CONTAINER AND IN CONTACT WITH SAID CHARGE HOLDER, A GASLESS TIME DELAY POWDER COLUMN LOCATED IN SAID CONTAINER ADJACENT SAID POROUS DISK, A SLOTTED BAFFLE RESTRAINING SAID GASLESS DELAY POWDER AT A UNIFORM DENSITY BETWEEN SAID POROUS DISK AND SAID SLOTTED BAFFLE BEFORE INITIATING THE FUSE, SAID SLOTTED BAFFLE AND POROUS DISK MAINTAINING THE UNBURNED PORTION OF SAID GASLESS DELAY POWDER AT A UNIFORM DENSITY AFTER INITIATING THE FUSE, A DISK SEALING THE END OF SAID CONTAINER AND FORMING A CHAMBER BETWEEN SAID SLOTTED BAFFLE AND SAID SEALING DISK, BASE CHARGE MEANS LOCATED IN SAID CHAMBER AND IGNITIBLE BY THE BURNING OF SAID TIME DELAY POWDER, SAID ELECTRICAL INITIATOR MEANS IGNITING SAID CHARGE MEANS CAUSING THE HOT GASES TO FLOW DOWN THE CHIMNEY THROUGH A PLURALITY OF LABYRINTH PATHS IN THE POROUS MATERIAL THEREBY IGNITING THE DELAY POWDER BEFORE BEING VENTED OUT THE APERTURES IN SAID CONTAINER.