Two-stage seal arrangement
First Claim
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1. IN COMBINATION WITH A PAIR OF CONCENTRIC MEMBERS HAVING A CIRCUMFERENTIAL CLEARANCE THEREBETWEEN, A TWOSTAGE SEALING ARRANGEMENT, COMPRISING A SEALING RING IN SAID CLEARANCE, SAID SEALING RING HAVING A COEFFICIENT OF THERMAL EXPANSION SUBSTANTIALLY GREATER THAT THAT OF EITHER OF SAID MEMBERS AND BEING HEAT EXPANDIBLE INTO SEALING ENGAGEMENT WITH EACH OF SAID MEMBERS BY HEAT DISSIPATING FROM A HEATED FLUID FLOWING THROUGH ONE OF SAID MEMBERS AND PROVIDING A PERMANENT SEAL AGAINST THE FLOW OF THE HEATED FLUID THROUGH SAID CLEARANCE, AND
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1 Claim
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1. IN COMBINATION WITH A PAIR OF CONCENTRIC MEMBERS HAVING A CIRCUMFERENTIAL CLEARANCE THEREBETWEEN, A TWOSTAGE SEALING ARRANGEMENT, COMPRISING A SEALING RING IN SAID CLEARANCE, SAID SEALING RING HAVING A COEFFICIENT OF THERMAL EXPANSION SUBSTANTIALLY GREATER THAT THAT OF EITHER OF SAID MEMBERS AND BEING HEAT EXPANDIBLE INTO SEALING ENGAGEMENT WITH EACH OF SAID MEMBERS BY HEAT DISSIPATING FROM A HEATED FLUID FLOWING THROUGH ONE OF SAID MEMBERS AND PROVIDING A PERMANENT SEAL AGAINST THE FLOW OF THE HEATED FLUID THROUGH SAID CLEARANCE, AND
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Current AssigneeJohn Jellinek, Louis B. Weckesser Jr
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Original AssigneeJohn Jellinek, Louis B. Weckesser Jr
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InventorsJellinek, John, Weckesser, Louis B. Jr.
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Application NumberUS04/350,624Time in Patent Office1,478 DaysField of SearchUS Class Current277/645CPC Class CodesF16J 15/008 with provision to put out o...F16J 15/065 fire resistantY10S 277/93 Seal including heating or c...Y10S 277/931 Seal including temperature ...
