Abstract: A panel unit includes an interconnected first and second pair of juxtaposed panels, a spacer joining together opposing inner faces of the pairs of panels about a periphery of the interconnected pair to define common air space therebetween, first and second blind assemblies positioned in the air space between the first and second pair of panels respectively, a first drive shaft coupled to a first set of louvers of the first blind assembly and a second drive shaft coupled to a second set of louvers of the second blind assembly, an actuator connected to the first drive shaft, and an interface structure rotationally fixing together opposing ends the first and second drive shafts, wherein the first drive shaft is responsive to actuation of the actuator to axially rotate and thereby cause simultaneous rotation of the first and second sets of louvers between the open and closed positions thereof.

Abstract: A panel unit includes an interconnected first and second pair of juxtaposed panels, a spacer joining together opposing inner faces of the pairs of panels about a periphery of the interconnected pair to define common air space therebetween, first and second blind assemblies positioned in the air space between the first and second pair of panels respectively, a first drive shaft coupled to a first set of louvers of the first blind assembly and a second drive shaft coupled to a second set of louvers of the second blind assembly, an actuator connected to the first drive shaft, and an interface structure rotationally fixing together opposing ends the first and second drive shafts, wherein the first drive shaft is responsive to actuation of the actuator to axially rotate and thereby cause simultaneous rotation of the first and second sets of louvers between the open and closed positions thereof.

Abstract: A method of manufacturing an embossed nonwoven sheet comprising feeding a sheet comprising spunmelt fibers through a nip region of a forming station, the forming station comprising a rigid cylinder having a surface with raised elements that form a 3D pattern and a deformable opposing surface which is not part of the rigid cylinder, so that the sheet is in contact with both the rigid cylinder and the deformable opposing surface at the nip region as the sheet moves through the forming station and the 3D pattern is embossed onto the sheet.

Abstract: A method is disclosed for removal of non process elements from a Kraft bleach plant producing lyocell pulp. In the method the bleach plant filtrate is passed through at least one centrifugal cleaner. The non process elements are reduced by at least 20 percent of their original levels in the bleach plant filtrate.