Sealing arrangement for a medium-containing chamber of a dual belt press

Claim 1

In a dual belt press of the type comprising opposed movable belts and means defining a chamber disposed adjacent one of said belts for containing a medium to be applied to said one belt, said chamber-defining means including a frame, and sealing means for sealing said medium in said chamber, said sealing means comprising first sealing portions extending generally parallel to the direction of belt travel and second sealing portions extending transversely of the direction of belt travel, at least said first sealing portions each comprising: holder means attached to said frame and defining a serpentine groove extending generally in the direction of belt travel and being disposed generally in a plane, said holder means comprising separate ledges disposed on opposite sides of said groove and defining said groove, each said ledge comprising a plurality of pieces abutting each other in the direction of belt travel, pieces on opposite sides of said groove being displaceable in a direction transverse to the direction of belt travel and parallel to said plane of said groove, and a sealing strip mounted in said groove so as to be of serpentine configuration generally in the direction of belt travel, said strip being insertable in said groove means with said ledges mutually separated and secured in response to said ledges being brought together.