Closure arrangement for the planishing opening of horizontal coke oven chambers

Claim 1

A CLOSURE ARRANGEMENT FOR THE PLANISHING OPENING OF HORIZONTAL COKE OVEN CHAMBERS, WHICH COMPRISES IN COMBINATION, A FRAME CONFINING THE PLANISHING OPENING INCLUDING SEALING MEANS, A CLOSURE MEMBER, SEALING MEANS MOUNTED ON SAID CLOSURE MEMBER AND ADAPTED WHEN SAID CLOSURE MEMBER IS PLACED INTO CLOSING POSITION FOR CLOSING SAID PLANISHING OPENING TO CONTACT THE SEALING MEANS OF SAID FRAME, AT LEAST ONE OF SAID SEALING MEANS BEING METALLIC AND ONE OF SAID SEALING MEANS BEING FRICTIONALLY HELD IN ITS RESPECTIVE POSITION, FIRST GUIDING MEANS CONNECTED TO THAT SIDE OF SAID CLOSURE MEMBER WHICH FACES SAID FRAME, A FIRE SCREEN PROVIDED WITH SECOND GUIDING MEANS SLIDABLY ENGAGING SAID FIRST GUIDING MEANS TO BE SLIDABLY GUIDED THEREBY, LEDGE MEANS CONNECTED TO THE LOWER SIDE OF SAID CLOSURE MEMBER AND EXTENDING BELOW SAID FIRE SCREEN SO AS TO SUPPORT THE SAME, AND LOCKING MEANS FOR PRESSING SAID FIRST-MENTIONED SEALING MEANS AND SAID SECOND SEALING MEANS TIGHTLY AGAINST EACH OTHER WHILE LOCKING SAID CLOSURE MEMBER TO SAID FRAME.