Sealed electrolytic capacitor with insulative plug integrally joined within container opening

Claim 1

A CAPACITOR COMPRISING A CONTAINER HAVING AN OPEN END, AN ELECTROLYTE IN THE CONTAINER AND AN ELECTRODE IN THE ELECTROLYTE HAVING A TERMINAL PROJECTING THROUGH SAID OPEN END, AN INSULATING PLUG HAVING A PERIPHERAL GROOVE, CONSTITUTED OF MATERIAL CHEMICALLY NON-REACTIVE WITH THE ELECTROLYTE, DISPOSED IN AND CLOSING THE OPEN-END OF SAID CONTAINER, WITH ITS PERIPHERAL WALLS FITTED INTO CONTACT WITH THE CORRESPONDING INNER WALLS OF THE CONTAINER, SAID PLUG COMPRISING AN OPENING WITH SAID TERMINAL SEALINGLY EXTENDING THERETHROUGH, THE SAID CORRESPONDING INNER WALLS OF THE CONTAINER COMPRISING A PERIPHERAL BEAD DISPOSED IN SAID GROOVE AND BEARING AGAINST THE PERIPHERAL WALLS DEFINING THE GROOVE, SAID BEAD AND THE ADJACENT PERIPHERAL SURFACE DEFINING SAID GROOVE COMPRISING CREVICES EXTENDING FROM THE INNER END TO THE OUTER END OF SAID PLUG, AND A FLEXIBLE POLYMERIZED SILICONE RESIN CHEMICALLY NON-REACTIVE WITH THE ELECTROLYTE DISPOSED BETWEEN THE SAID PERIPHERAL WALLS OF THE PLUG AND THE SAID BEAD OF THE CONTAINER AND EXPANDED INTO SAID CREVICES, SAID RESIN BEING INTEGRALLY AND PERMANENTLY JOINED TO THE SURFACE OF SAID PLUG AND THE ADJACENT WALLS OF SAID CONTAINER INCLUDING THE BEAD.