Triple-seal oven door sealing means

Claim 1

SEALING MEANS BETWEEN A COKE OVEN DOOR AND A COKE OVEN DOOR FRAME COMPRISING: (A) A FIRST PERIPHERAL SEALING MEMBER FIXED TO SAID DOOR INCLUDING A PAIR OF SPACED RESILIENT WALLS PROJECTING READWARDLY THEREFROM AND FORMING A NARROW SLOT THEREBETWEEN: AND (B) A SECOND PERIPHERAL SEALING CHAMBER MEMBER FIXED TO SAID DOOR FRAME INCLUDING A PAIR OF SPACED RESILIENT WALLS PROJECTING FORWARDLY THEREFROM AND FORMING A SECOND NARROW SLOT THEREBETWEEN, (C) ONE OF THE WALLS OF SAID FIRST SEALING MEMBER EXTENDING INTO THE SECOND SLOT AND WEDGING BETWEEN THE WALLS OF SAID SECOND SEALING MEMBER WITH THE OTHER WALL OF SAID FIRST SEALING MEMBER COACTING WITH ONE OF THE WALLS OF SAID SECOND SEALING MEMBER WHEREBY, WHEN SAID DOOR IS PLACE IN OPERATIVE JUXTAPOSITION TO SAID DOOR FRAME, SAID FIRST AND SECOND SEALING MEMBERS COACT ALONG AT LEAST THREE CONTINUOUS PERIPHERAL SEALING SURFACES.