Abstract: The invention relates to a multiple needle sewing machine for sewing large-area sewing material (28) which consists of several layers, at least two layers (6, 15, 21), whereof one layer (15) at least is formed of an elastic material, which multiple needle sewing machine comprises a sewing unit, a supply device for the layers to be sewn together (6, 15, 21), a storage device for withdrawing and storing the sewn layers (6, 15, 21) from the sewing unit, as well as a device which is arranged upstream of the sewing unit and by which the layer (15) made of an elastic material is supplied to the sewing unit in a non-stretched condition or tendentiously in the region of the device in a tendentiously compressed condition, together with said one or said further layers (6, 21), while retaining the compression.

Abstract: The present invention relates to a simple and inexpensive method for producing a mattress panel or quilt having corners which deviate from an orthogonal pattern. The method renders a material having two stitched seams between two sewn products that are arranged adjacently. The two stitched seams are created by a sewing device, which moves transversely to the conveying direction of the material. The material is cut between said seams by a sewing unit, located within the sewing device. Prior to or during the stitching of the seams, another device removes a sub-area comprising both sewn products, resulting in a mattress panel or quilt with corners deviating from an orthogonal pattern.

Abstract: The invention relates to a multiple needle sewing machine for sewing large-area sewing material (28) which consists of several layers, at least two layers (6, 15, 21), whereof one layer (15) at least is formed of an elastic material, which multiple needle sewing machine comprises a sewing unit, a supply device for the layers to be sewn together (6, 15, 21), a storage device for withdrawing and storing the sewn layers (6, 15, 21) from the sewing unit, as well as a device which is arranged upstream of the sewing unit and by which the layer (15) made of an elastic material is supplied to the sewing unit in a non-stretched condition or tendentiously in the region of the device in a tendentiously compressed condition, together with said one or said further layers (6, 21), while retaining the compression.

Abstract: The present invention relates to a method for producing a sewn product, especially a mattress panel, a quilt or the like, having corner areas which deviate from an orthogonal pattern, preferably from several layers of sewn product material which are to be stitched together, as a segment of a sewn product material, in which method the sewn product material is provided with at least two stitched seams between two sewn products that are arranged adjacent to each other in the sewn product material, by means of a sewing device which is movable transversely to the conveying direction of the sewn product material, and in which the sewn product material is subsequently cut between the two stitched seams, wherein the sewing device includes a sewing unit with needles and an oscillating shuttle box including shuttles which are assigned to the needles, in order to produce in a simple and inexpensive way sewn products having corner areas which deviate from an orthogonal pattern, wherein with a device at least one sub-area