Fluid discharge device

Claim 1

A FLUID DISCHARGE DEVICE COMPRISING A CASING, A CONTAINER CONSTITUTING A SEALED FLUID RESERVOIR MOUNTED WITHIN SAID CASING, SAID CONTAINER HAVING A FIRST INNER SURFACE PORTION AND A SECOND SURFACE PORTION HAVING A THINNED WALL THICKNESS AND CONSTITUTING A RUPTURABLE DIAPHRAGM, THE MATERIAL OF SAID CONTAINER BEING SELF-SUPPORTING BUT DEFORMABLE UNDER PRESSURE, A PIERCING LANCE HAVING A GROOVED SURFACE THEREON SECURED TO THE FIRST PORTION OF THE INNER SURFACE OF SAID CONTAINER AND HAVING A POINTED END THEREOF DIRECTED TOWARD THE SECOND SURFACE PORTION OF SAID CONTAINER, A DRIVE DISC SECURED EXTERNALLY OF SAID FIRST PORTION OF SAID CONTAINER, SAID DRIVE DISC CASTELLATED ON THE FREE SURFACE THEREOF TO FORM UPSTANDING LUGS ENGAGEABLE WITH THE INTERIOR SURFACE OF SAID CASING AND ADAPTED TO FORM FLUID FLOW PASSAGES BETWEEN SAID DISC AND SAID CASING, EXTERNALLY ACTUABLE MEANS FOR CREATING A FORCE BETWEEN SAID CASING AND THE OUTER SURFACE OF THE CONTAINER HAVING THE PIERCING LANCE CARRIED THEREBY AND OPERABLE UPON ACTUATION TO DEFORM THE CONTAINER WALL TO SIMULTANEOUSLY MOVE SAID LANCE TO PIERCE SAID SECOND SURFACE PORTION OF THE CONTAINER AND FORCEFULLY DISCHARGE FLUID THEREFROM, SAID FORCE CREATING MEANS BEING OPERABLE TO MAINTAIN A RESIDUAL DEFORMING FORCE ON SAID CONTAINER TO PREVENT RETURN OF DISCHARGED FLUID INTO SAID CONTAINER.