Method of internally venting gasless delays

Claim 1

AN AIRTIGHT INTERNALLY VENTED TIME DELAY FUZE COMPRISING A METALLIC CONTAINER OF PREDETERMINED SIZE HAVING A PLURALITY OF APERTURES NEAR ONE END, AN ELECTRICAL INITIATOR MEANS LOCATED IN SAID ONE END OF THE CONTAINER FOR GENERATING A QUANTITY OF HOT GASES AND FOR DIRECTING THE FLOW OF THE HOT GASES THEREIN, A CYLINDRICAL TIME DELAY PYROTECHNIC COLUMN OF PREDETERMINED DIAMETER COMPRESSED IN SAID CONTAINER AND IGNITIBLE BY SAID DIRECTED HOT GASES, A RETAINING RING LOCATED ON ONE END OF THE PYROTECHNIC COLUMN ADJACENT SAID INITIATOR MEANS, A SLOTTED BAFFLE LOCATED ON THE OTHER END OF SAID PYROTECHNIC COLUMN, THE APERTURES IN SAID CONTAINER BEING INTERMEDIATE SAID ELECTRICAL INITIATOR MEANS AND SAID RETAINING RING PROVIDING AN ESCAPE PATH FOR GASES GENERATED IN SAID CONTAINER, AND AN AIRTIGHT EXTERNAL CYLINDER OF PREDETERMINED SIZE ENCASING SAID CONTAINER AND FORMING AN AIRTIGHT EXPANSION CHAMBER OF PREDETERMINED VOLUME FOR THE HOT GASES ESCAPING FROM SAID CONTAINER WHEREBY THE INTERNALLY VENTED TIME DELAY FUZE IS PROVIDED WITH THE BURNING CHARACTERISTICS OF AN EXTERNALLY VENTED TIME DELAY FUZE, THE ELECTRICAL INITATOR MEANS COMPRISING AN INSULATED PLUG, A PAIR OF ELECTRICAL CONTACTS EXTENDING THROUGH SAID PLUG, AN ELECTRICALLY RESPONSIVE BRIDGE WIRE CONNECTING SAID PAIR OF CONTACTS, A CHARGE LOCATED IN CLOSE PROXIMITY OF SAID BRIDGE WIRE, A CYLINDRICAL CHIMNEY TYPE CHARGE HOLDER HAVING TWO OPEN ENDS, A LARGE OUTER DIAMETER PORTION AND A SMALLER INNER DIAMETER PORTION, ONE END OF SAID CHARGE HOLDER ENCASING SAID CHARGE, BRIDGE WIRE AND ONE END OF SAID PLUG, THE OTHER END OF SAID CHARGE HOLDER FORMING A CHIMNEY FOR DIRECTING THE HOT GASES PAST THE APERTURES TOWARD THE PYROTECHNIC COLUMN ALONG A FIRST PATH BEFORE BEING VENTED TO SAID EXTERNAL EXPANSION CHAMBER THROUGH THE APERTURES BY A SECOND PATH.