Bulkhead door arrangement
AssigneeConsilium CMH Babcock AB
InventorNils Sandwall
Life of this patent
Estimating the term…
Abstract
The invention relates to a bulkhead door arrangement for sealingly closing an opening which is located between two mutually adjacent spaces and through which a conveyor belt extends. The arrangement includes a vertically moveable door part provided with a sealing strip on the side thereof facing towards the conveyor belt. When the door arrangement is in its closed position, the door part presses the conveyor belt into abutment with a sealing strip provided in the bottom of the opening, and separate sealing devices abut the side edges of the conveyor belt.
Claims10
A bulkhead door arrangement for sealingly closing an opening (38) which is located between two mutually neighbouring spaces and through which an upper part (4a) and a lower part (4b) of a conveyor belt (4) extend, said arrangement including a vertically moveable upper door part (1) provided with a sealing strip (5) on the side thereof facing the conveyor belt, a moveable lower door part (2) which is placed between the two parts (4a) and (4b) of the conveyor belt (4) and separate sealing devices (15, 22) abut the side-edge surfaces (7, 24) of the conveyor belt in the closed position of said door parts;
- characterized in that the lower door part (2) is vertically moveable;
- and in that the upper door part (1) in its closed position presses the conveyor belt (4) with a predetermined force against a sealing strip arranged in the bottom of the opening in such a manner that the upper door part (1) controls the vertical movement of the lower door part (2).
Dependencies are inferred from the claim text.