Abstract: In a method for making a window covering the user selects a first segment of cellular material in which there is a top cell having a top surface, at least one glue line on the top surface and a strip of fabric on the at least one glue line. The strip of fabric and at least a portion of the glue line are removed from the top surface of the top cell. and a second glue line is applied to that top surface. A second segment of cellular material is place over the second glue line on the top surface of the top cell of the first segment. The glue line cures and bonds the second segment of cellular material to the first segment of cellular material. If the cellular material has tabbed cells the processes can be used to join the tabs of the two segments together.

Abstract: A machine for making collapsible cellular structures folds two fabric webs into a V-shape or C-shape, connects the webs together with strands of adhesive, applies glue lines and collects the webs on a wheel. A variable speed motor, a fabric drive system which enables glue to be applied when the fabric is not stretched and a lay-on wheel assembly with movable arm that directs the fabric onto the collector can be provided in the machine.

Abstract: A method for producing a cellular window covering product includes the steps of pleating a continuous length of material, bonding together opposing faces on one side of the product to form a series of enclosed cells, bonding together opposed faces on the other side of the product to form another series of enclosed cells, and removing creases from one side of the product to open one of the series of enclosed cells while the other series of enclosed cells remains intact and connected. The creases may be removed by abrading the material along the creases. The opposed faces may be bonded by applying a bead of adhesive to one of the faces and compressing the faces together. Also provided is a window covering having an expandable and collapsible body. The body has a number of strips of material that are creased in the center parallel to the long edges, which are joined together to form a tab. Each of the strips of material define an elongated cell bounded by the creased fold on one side and the tab on the other.

Abstract: In a method for making a window covering the user selects a first segment of cellular material in which there is a top cell having a top surface, at least one glue line on the top surface and a strip of fabric on the at least one glue line. The strip of fabric and at least a portion of the glue line are removed from the top surface of the top cell and a second glue line is applied to that top surface. A second segment of cellular material is place over the second glue line on the top surface of the top cell of the first segment. The glue line cures and bonds the second segment of cellular material to the first segment of cellular material. If the cellular material has tabbed cells the processes can be used to join the tabs of the two segments together.

Abstract: A method of making a light controlling window covering includes making a plurality of cells. Each cell desirably includes a substantially opaque top strip having a front edge and rear edge, a substantially opaque bottom strip opposing the substantially opaque top strip, the bottom strip having a front edge and a rear edge, and a front shear strip extending vertically between the top and bottom substantially opaque strips at a front of the cell. Each cell also desirably includes a rear strip extending vertically between the top and bottom substantially opaque strips at a rear of the cell, and using an adhesive material for connecting ends of the front and rear shear strips to ends of the top and bottom opaque strips to form a generally rectangular-shaped loop.