Coke oven doors for horizontal chamber coke ovens

Claim 1

A coke oven door in combination with a horizontal chamber type coke oven having an oven chamber, said coke oven door comprising vertical door arrangement which comprises: a door member to retain an oven filling inside said oven chamber, said door member having a sealing element; a door frame having an opening and a portion with a sealing surface, said door member having a closed position when abutting sad door frame, and an open position when away from said door frame; said door member having a longitudinal axis; a door stopper attached to the door member, said door stopper serving as a substantially heat insulating barrier and being disposed to protrude into the oven chamber sufficiently, to keep the oven filling at a predetermined distance from said door member in said closed position; a separate force transmittal unit for transmitting force around said door member and for forcing said sealing element against said door frame in said closed position; at least one connecting joint means being disposed for supporting said door member when said door member is moved to said open position, said at least one connecting joint means joining said door member and said force transmittal unit, said supporting being provided through said at least one connecting joint means, said at least one connecting joint means having a first element means and a second element means, said second element means being in a co-operative relationship and making contact with said first element means for supporting said door member in said open position, said first element means being connected to be supported by said force transmittal unit when said door member is in said open position, said second element means being connected to support said door member when said door member is in said open position, said force transmittal unit having means for preventing said door member in said closed position from moving in a direction away from said door frame; said sealing element having a portion which is disposed to make contact with said sealing surface of said door frame in said closed position; locking means for providing bearing forces on said force transmittal unit at least to assist in sealing said sealing surface of said door frame with said sealing element of said door member; said first element means and said second element means of said connecting joint means each having at least one surface directly facing at least one surface of the other element means; said at least one facing surface of said first element means and said at least one facing surface of said second element means forming a gap therebetween along all parts of said facing surfaces such that said first element means and said second element means are non-touchingly disposed from one another in said closed position, whereby heat transfer between said first element means and said second element means because of said gap is minimized in said closed position; and at least a portion of said at least one facing surface of said first element means making said contact, between said first and said second element means, with at least a portion of said at least one facing surface of said second element means when said door member is in said open position.