Normally-closed explosive-actuated valve

Claim 1

A NORMALLY-CLOSED EXPLOSIVE-ACTUATED VALVE, COMPRISING AN ELONGATED HOLLOW VALVE BODY HAVING A CLOSED END AND AN OPEN END, THE INTERIOR WALL OF SAID BODY BEING A RELATIVELY SMALL-DIAMETER CYLINFER ADJACENT SAID CLOSED END AND A RELATIVELY LARGE-DIAMETER CYLINDER ADJACENT SAID OPEN END, SAID LARGE-DIAMETER AND SMALL-DIAMETER CYLINDRICAL WALLS BEING AXIALLY SPACED FROM EACH OTHER AND BEING CONNECTED BY A FRUSTOCONICAL WALL, AN ELONGATED ONE-PIECE RAM MOUNTED AXIALLY OF SAID VALVE BODY FOR LONGITUDINAL MOVEMENT THEREIN, SAID RAM HAVING AN INNER PORTION WHICH IS DISPOSED RADIALLY-INWARDLY OF SAID SMALL-DIAMETER CYLINDRICAL WALL WHEN THE VALVE IS IN OPEN CONDITION, POSITIVE STOP MEANS PROVIDED IN SAID VALVE BODY TO STOP MOVEMENT OF SAID RAM AT A PREDETERMINED POINT RELATIVELY ADJACENT SAID CLOSED END, SAID RAM ALSO HAVING A TAPERED PORTION CORRESPONDING GENERALLY TO SAID FRUSTOCONICAL WALL OF SAID VALVE BODY AND DISPOSED TO COME INTO FORCEFUL ENGAGEMENT THEREWITH PRIOR TO ENGAGEMENT OF SAID RAM WITH SAID POSITIVE STOP MEANS, SAID INNER PORTION OF SAID RAM BEING PROVIDED EITH A FLAT SURFACE LYING IN A PLANE PARALLEL TO THE AXIS OF SAID RAM AND RELATIVELY ADJACENT THERETO, SAID INNER PORTION OF SAID RAM HAVING A CYLINDRICAL RECESS FORMED THEREIN RELATIVELY ADJACENT THE EXTREME INNER END OF SAID RAM, SAID INNER PORTION OF SAID RAM ALSO HAVING A CYLINDRICAL PORT FORMED THERETHROUGH PARALLEL TO SAID RECESS AND DISPOSED MORE REMOTE THAN SAID RECESS FROM SAID EXTREME INNER END OF SAID RAM, THE AXES OF SAID RECESS AND PORT BEING PERPENDICULAR TO SAID FLAT SURFACE, A NIPPLE ELEMENT MOUNTED RADIALLY ON SAID VALVE BODY AND HAVING A BLIND INNER END EXTENDING INTO SAID RECESS, SAID NIPPLE ELEMENT ALSO HAVING A PASSAGE THERETHROUGH ADAPTED TO CONDUCT FLUID IN RESPONSE TO REMOVAL OF SAID BLINF INNER END, SAID BLIND INNER END OF SAID NIPPLE BEING ASSOCIATED WITH THE MAIN BODY THEREOF BY A FRANGIBLE CONNECTING PORTION, SAID VALVE BODY HAVING A RADIAL OUTLET PASSAGE DISPOSED COAXIALLY WITH SAID NIPPLE SAID PASSAGE THROUGH SAID NIPPLE AND SAID OUTLET PASSAGE HAVING DIAMETERS CORRESPONDING TO EACH OTHER AND TO THAT SAID OPEN END OF SAID VALVE BODY AND ADAPTED TO BE IGNITED TO EFFECT EXPLOSIVE PROPULSION OF SAID RAM INWARDLY UNTIL OF SAID PORT THROUGH SAID RAM, AND A SQUIB MOUNTED IN SAID RAM ENGAGES SAID POSITIVE STOP MEANS, SAID PORT BEING SO RELATED TO SAID RECESS THAT SAID PORT WILL BE DISPOSED COAXIALLY WITH SAID PASSAGE THROUGH SAID NIPPLE AND WITH SAID OUTLET PASSAGE WHEN SAID RAM IS ENGAGED WITH SAID POSITIVE STOP MEANS TO THEREBY CREATE A STRAIGHTTHROUGH FLOW PASSAGE THROUGH SAID PORT, SAID INTERIOR OF SAID VALVE BODY BEING FREE OF OBJECTS BETWEEN SAID SQUIB AND SAID RAM.