Inflatable seal connection

Claim 1

IN A CLOSURE FOR AN ACCESS OPENING IN THE WALL OF A CHAMBER, A DOOR MOUNTED IN SAID OPENING FOR MOVEMENT INTO SUBSTANTIALLY CLOSING RELATION THERETO, A GROOVE EXTENDING AROUND A MAJOR PORTION OF THE PERIPHERAL EDGE OF SAID DOOR, A RESILIENT INFLATABLE SEALING TUBE MOUNTED IN SAID GROOVE, SAID DOOR HAVING A RECESS DISPOSED AT ONE EDGE THEREOF, A SEAL RETAINING MEMBER SECURED IN SAID RECESS AND HAVING, AT EACH END OF ITS EDGE LYING ALONG THE PERIPHERAL EDGE OF THE DOOR, A GROOVE THAT CONNECTS WITH SAID GROOVE EXTENDING AROUND SAID DOOR AND THAT EXTENDS THE LATTER GROOVE INTO A WEDGE-SHAPED VOID THAT EXTENDS ACROSS A PORTION OF THE INNER FACE OF SAID MEMBER AND THAT OPENS INTO A CHANNEL THAT EXTENDS ACROSS THE CENTRAL PORTION OF THAT SIDE OF SAID MEMBER OPPOSITE THE CONNECTING GROOVE, SAID CONNECTING GROOVE, VOID, AND CHANNEL SERVING TO HOUSE PORTIONS OF SAID TUBE AND FOR LEADING THE TERMINAL ENDS OF SAID TUBE AWAY FROM THE PERIPHERAL EDGE OF SAID DOOR TO A MEANS FOR CONTROLLING THE INFLATION OF SAID TUBE, A WEDGE-SHAPED PLUG MADE OF ELASTIC MATERIAL, SAID PLUG BEING SMALLER THAN SAID VOID AND BEING MOUNTED THEREIN WITH ITS CONVERGING SIDES IN CONTACT WITH PORTIONS OF SAID TUBE, AND WITH THE BASE OF THE WEDGE EFFECTING THE PERIPHERAL EDGE CONTINUITY OF THE SEAL FORMED BY SAID TUBE IN THE AREA IN WHICH THE TERMINAL ENDS OF SAID TUBE HAVE BEEN LED AWAY FROM THE PERIPHERAL EDGE.